JP2004201506A - Food in aerosol container - Google Patents

Food in aerosol container Download PDF

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Publication number
JP2004201506A
JP2004201506A JP2002371030A JP2002371030A JP2004201506A JP 2004201506 A JP2004201506 A JP 2004201506A JP 2002371030 A JP2002371030 A JP 2002371030A JP 2002371030 A JP2002371030 A JP 2002371030A JP 2004201506 A JP2004201506 A JP 2004201506A
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water
oil
food
container
aerosol container
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JP2002371030A
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JP4614617B2 (en
Inventor
Yoshinori Komatsu
小松恵徳
Shigeru Tamai
玉井茂
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Meiji Dairies Corp
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Meiji Milk Products Co Ltd
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Application filed by Meiji Milk Products Co Ltd filed Critical Meiji Milk Products Co Ltd
Priority to JP2002371030A priority Critical patent/JP4614617B2/en
Priority to US10/539,445 priority patent/US8012524B2/en
Priority to PCT/JP2003/016337 priority patent/WO2004056190A1/en
Priority to AU2003292589A priority patent/AU2003292589A1/en
Publication of JP2004201506A publication Critical patent/JP2004201506A/en
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Publication of JP4614617B2 publication Critical patent/JP4614617B2/en
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  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Edible Oils And Fats (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Dairy Products (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide food in an aerosol container having convenience, preservability, and also excellent spread properties when applying the aerosol container for spread. <P>SOLUTION: The food in an aerosol container is obtained by charging an aerosol container with water-in-oil emulsion and/or a composition turning to water-in-oil emulsion when mixed to use together with a gas propellant. The composition comprising water-in-oil emulsion foams to become mousse when jetted so as to make the food novel and useful, and has unprecedented characteristics such as excellent extensibility, adhesiveness, palate feeling, fancy appearance and the like. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】本発明は、油中水型エマルションである食品において、保存性や利便性に優れるだけでなく噴射時に起泡して安定なムース状となりスプレッドとして優れた特性が付加された新規なエアゾール容器入り食品に関する。
【0002】
【従来の技術】エアゾール容器を利用して保存性や利便性を向上させた食品は既に知られている。それらの多くはホイップクリームを代表とする水中油型エマルションを対象としたものである(例えば特許文献1)。
【0003】また、同じ水中油型ではあるが起泡していることが通常の物性のクリームと異なり通常は液状で噴射後の性状がムース状となることを特徴としたエアゾール容器入り食品(ドレッシング)も既に知られている(特許文献2)。この場合にムース状とした目的は見た目の楽しさを提供するというものでムース状となることの機能性に着目したものではない。
【0004】また、起泡性を有する粘性食品素材を噴射剤ガスと共に加圧充填したことを特徴とするエアゾール容器入り嗜好性食品という特許も認められる(特許文献3)。この場合も対象としている食品は水中油型エマルションであるアイスクリーム等であり油中水型エマルションの食品を対象としたものでは無い。
【0005】油中水型エマルションをエアゾール容器入り食品に適用した例としてはコーヒーオイルを乳化後にエアゾール容器に充填した例がある。この場合はコーヒーの芳香増強が目的の為、噴射時に噴霧物が空気中にも飛散してコーヒーの香りが周囲に拡散することが発明の要件となっており噴射物がムース状となることは元より想定されてはいない(特許文献4)。
【0006】またエアゾール型ではないが弾性体の圧力により加圧された容器に常温で流動性となるバターやマーガリン等の食品を入れ、簡便にこれらの食品を取り出すことの出来る容器とその容器入り食品が報告されている(特許文献5)。この場合も、噴射剤は封入されていないので食品は単に押し出されるだけでありムース状となることは通常考えられずまたムース状に押し出されるとの記載も示唆もない。
【0007】
【特許文献1】特開昭61−280232
【特許文献2】特開平04−148662
【特許文献3】特開平03−061450
【特許文献4】特開昭64−086833 実施例3
【特許文献5】特開平05−132010
【0008】
【発明が解決しようとする課題】以上の先行例のエアゾール容器とそれに類する容器に封入した食品はそのような形態の食品とすることで利便性が付与され、またその密閉性と使用時に他の食品と直接接触しないことから衛生的に保存できるという特性を持っている。
【0009】本発明者らもスプレッドとして用いられる食品に利便性と良好な保存性を付与する目的でエアゾール容器や加圧容器を適用する検討を行ったところ、エアゾール容器に単に各種食品を充填するだけではスプレッドとしては多くの問題点を有する食品となってしまうという事実に直面した。その問題点は次のようなものである。
【0010】調味油等の液状油をスプレー状に噴射した場合は利便性はあるにしても▲1▼パンの切れ目の中やカナッペの上などに局所的に施与することができない▲2▼液状油であるため流れ落ちてしまう(丸いパンなどに施与できない)▲3▼直接サラダ油をなめるのと同様べたべたした不快な食感であり、いわゆるマーガリン・スプレッド類の食感とは全く異なる等スプレッドとしては問題の多い物性となる。
【0011】特許文献5のように加圧容器に入れたマーガリン等をところてん様に押し出す場合にはノズルから細い紐状に吐出され、十分な展延性が得られずにさらに塗り広げる必要があり、また吐出物の密度が高いため利便性を優先して広範囲に吐出すると非常に多い吐出量となってしまう等、既存のスティック状やチューブ状のスプレッドに比べて保存性は優れるものの実質的な利便性が同等もしくは劣る結果となる。
【0012】
【課題を解決するための手段】本発明者らはこれらの問題点を解決する為に各種検討を行ったところその過程で次のような興味深い現象を観察した。その内容は以下のようなものであった。
【0013】冷蔵温度で液体である食用油に脱脂粉乳などの食品原料を添加した水を分散させ、さらに乳化剤を加えて油中水型エマルションを調製したところ、この調製物は液状で、可塑性は有しておらず、スプレッドとして用いるには問題のある物性であった。この調製物を噴射剤とともに密閉容器にいれ、密閉容器に設けた細孔を通じて内容物を取り出したところ、予期せざることに、噴出物は起泡してムース状となり適度な可塑性を有したスプレッドとして用いるに適した性状となった。
【0014】本発明者らは先の観察事実についてさらに検討を行った結果、ガス噴射剤と共に油中水型エマルションまたは使用に際しての軽いミキシングで油中水型エマルションとなる組成物をエアゾール容器に充填すると噴出時に油中水型エマルションがスプレー状やミスト状とはならずに起泡して安定なムース状となること、また本発明品によりムース状にパン等に塗られたスプレッドは塗布量を適切な量に制御しやすくまたそのままでさらに塗り広げる手間もなく非常に簡便に食することが可能であること等を見出し、エアゾール容器入り食品の持つ利便性と良好な保存性に加えて従前のような問題点がなくスプレッドとしての特性にも優れた本発明の新規なエアゾール容器入り食品を完成するに至った。
【0015】すなわち本発明品はバター等の油中水型エマルションまたはバターオイル等の油脂と水成分を適当な乳化剤で乳化して油中水型エマルションを形成した後あるいは容器中で油中水型エマルションの形成が可能な組成物とした物を適当なガス噴射剤と共にエアゾール容器中に封入する事で得ることができる。このようにして製造したエアゾール容器入り食品はそのままあるいは噴射操作前に軽くミキシングした後に噴射すると噴出時に起泡してムース状となりスプレッドとしてこれまでにない優れた特性を示すエアゾール容器入り食品となる。
【0016】
【発明の実施の形態】本発明品は油中水型エマルションまたは使用に際し油中水型エマルションとなる組成物、ガス噴射剤、エアゾール容器から成っている。
【0017】本発明の油中水型エマルションまたは使用に際し油中水型エマルションとなる組成物とは油脂と水相と乳化剤から成るものあるいはバター等の元より油中水型エマルションであるものを意味している。
【0018】本発明で用いられるそれらの組成物は少なくとも使用に際して流動性を有し、ガス噴射剤が噴射時に発泡する程度に溶解しているという性質を持っていなければならない。ここでいう流動性とはノズルから取り出すことが可能な状態ということであり必ずしも液体状態である事を意味するものではない。例えばガス噴射剤の種類と充填圧の選択によってはゲル状の組成物であってもムース状に噴出することが可能である。
【0019】使用時に流動性を有する組成物とする為には▲1▼固体脂含量の少ない油脂を選択する。▲2▼固体脂含量の多い油脂と液体油を組み合わせて使用する。 ▲3▼油脂への親和性の高いガス(例えば炭化水素ガス)を用いて油脂の流動性を高める。▲4▼流動性を示す温度で使用する。等の方法を用いる。
【0020】またガス噴射剤を噴射時に発泡する程度に溶解させる為には、
a)まず油相に溶解性の高いガスを選択し、組成物の内容に合わせて水相に溶解性の高いガスをさらに組合わせたり油相、水相両方に溶解し易いガスを選択する。b)ガス噴射剤の充填圧を高める。等の方法を用いる。
【0021】以上の流動性やガス噴射剤の溶解方法の選択は本発明の実施が家庭で使用されるエアゾール容器で用いられるのか、店頭等に備え付けのベンダー中のエアゾール容器で用いられるのか、製造工場等での細かな制御が可能なエアゾール容器で用いられるのか等を考慮して選択すれば良い。
【0022】また本発明に用いられる食品は、水分含量が1%から75%、好ましくは2%から65%のものであるが、使用に際して流動性を有するかミキシング等で流動性を回復するものであれば先の水分含量からはずれるものも用いることができる。このことから本発明は通常スプレッドとして用いられている食品に限らず油中水型のドレッシング等他のカテゴリーの食品であっても油中水型エマルションとして用いることができ、使用に際し流動性を有するものであれば本発明を適用することができる。
【0023】以下、本発明の内容を発明の構成別により具体的に説明する。
【0024】本発明の乳化剤との組合わせで油中水型エマルションに用いられる油脂としては、ナタネ、大豆、コーン、ヤシ、パーム、パーム核、カカオ脂、ピーナッツ油、バターオイル等の植物油脂、乳脂肪または、牛脂、豚脂、魚油等の動物性脂肪、あるいは、これらの混合油、加工油脂等の油脂、さらにジアシルグリセロール等が使用できる。特にバターオイルのような乳脂肪を単独または他の油脂と組み合わせて用いることにより食品に好ましい風味を付与することができる。また乳脂肪を多く含むバター等を他の油脂と組合わせて用いても良い。
【0025】本発明で油中水型エマルションを形成させる為に用いられる乳化剤はHLB値が7.0以下、好ましくは5.0以下のものが用いられる。具体的にはショ糖脂肪酸エステル、グリセリン脂肪酸エステル、ソルビタン脂肪酸エステル、レシチン、酵素処理レシチン等を単独または組み合わせて用いる。中でもグリセリン脂肪酸エステルは起泡後の泡の形状と安定性がよく、本発明に好適に用いることができる。
【0026】先の乳化剤の添加量は例えばグリセリン脂肪酸エステルを単独で用いる場合は0.1%〜10%、好ましくは0.3%〜3%である。他の乳化剤と組合わせて用いる場合にはその添加量は0.15%〜10%、好ましくは0.3%〜6%となるように調整する。乳化剤濃度の下限付近では泡の安定性が悪くなり、上限付近では味覚に影響を与え、またコスト的にも不利となることに留意して使用濃度を決定すればよい。
【0027】バターのような元より油中水型エマルションである食品の場合は乳化剤を添加することなく本発明に適用することができる。またバター等に乳化剤以外の食品例えば油脂、水、調味料等を混合して用いることもできる。さらにそれらの食品に乳化剤を添加して用いることも可能である。
【0028】本発明にガス噴射剤として用いられるガスとしては亜酸化窒素、二酸化炭素、窒素、LPG、LNG等を用いることができる。それらは単独でまたは組合わせて用いることが可能である。ただし用いるに当ってはガス噴射剤の性状を考慮し、適用する食品や封入時の圧力などの設定を変える必要が生じる。
【0029】例えば亜酸化窒素または二酸化炭素は水および油に対する溶解度が高いので25℃で300kPa程度の比較的低い充填圧でも噴出時に起泡してムース状の泡を形成することができるが先のガスに比べて溶解度が低い窒素等のガスを用いた場合にはムース状の泡を形成させるための充填圧は25℃で800kPa程度の圧が必要となる。
【0030】また、二酸化炭素を選択した場合には噴出後の食品には酸味が付加されたものとなるのでその点を考慮して適用する食品を設計しなければならない。
【0031】LPG等の炭化水素ガスはバター等の冷蔵温度で固体脂を多く含む油中水型エマルションに本発明を適用する場合に用いることのできるガス噴射剤である。LPG等は油脂との親和性が高いので油脂が流動性を示す温度範囲を広げることができる。
【0032】これらのガスは互いに補完的に用いることも出来る。例えば、亜酸化窒素1容に対して窒素1容を混合して用いた場合、亜酸化窒素単独で用いた場合に比べて発泡の程度を低く抑えることができる。このことは、より安定できめの細かいムースとする必要がある場合に応用することができる。
【0033】本発明に用いられるエアゾール容器は、既存のエアゾール食品、例えばホイップクリームに用いているスチール缶やアルミ缶などの金属製容器をそのまま用いることができる。また、高圧に耐えられるならばプラスチック製容器も対象とすることができる。さらに油中水型エマルションまたは使用に際し油中水型エマルションとなる組成物とガス噴出剤を保管する容器を別体として有し、食品の供給時に両者を混合する仕組みを持つベンダー型エアゾール容器も用いることができる。
【0034】これらエアゾール容器入り食品の製造に当ってのガス圧、使用容器、加熱殺菌等の注意点については例えば特公平6−2041「エアゾール缶入り食品の製造方法」に記載の内容を参考とすることができる。
【0035】以上のようにして製造された本発明のエアゾール容器入り食品は通常のスプレッドに比べてより高い温度での保管も可能である。
【0036】また保管に際し油中水型エマルションまたは油中水型エマルションとなる組成物はエアゾール容器とは別体に保管しても良い。この場合は先に挙げたベンダー型容器中でガス噴出剤と混合された後エアゾール容器入り食品となり混合後すぐ噴出されムース状のスプレッドとして供給される。
【0037】また容器内で水相と油相が分離している場合や、保管中に水相と油相が分離した場合においては、使用直前にミキシングするなどの操作により、油中水型エマルション状態を回復させることができる。また、冷蔵静置保管により、流動性を失った場合でも、使用直前にミキシングするなどの操作により、流動状態を回復させることができれば、本発明は実施可能である。
【0038】以上述べた本発明品の実施形態の例を製造工程に従ってまとめると次のようになる。
【0039】本発明品の製造に当っては油脂に乳化剤を分散溶解させる。ホモミキサーにより油脂を攪拌させながら、別途食塩等の呈味成分を必要に応じて分散溶解させた水を添加して油脂中に分散乳化させ、油中水型エマルションを形成させる。必要に応じて、色素、香料などを添加してもよい。また、油脂と水相を別々に容器に充填した後に震とうする等の方法により、エマルションを形成させることも可能である。
【0040】また、充填前に油脂、水相またはエマルションを無菌ろ過や95℃で1分間加熱すること等により殺菌処理を行ってもよい。
【0041】充填は、耐圧容器に必要量のエマルションを入れ、充填ガス(ガス噴射剤)を同容器に導き所用のガス圧を維持させる。容器下部に設けた充填用ノズルとエアゾール容器のノズルを連結し両ノズルを介して耐圧容器内のエマルションおよび充填ガスがエアゾール容器に充填される。
【0042】2種以上のガスを充填する場合は、予め所用の比率で混合したガスを用いるが、各個順次充填することも可能である。また、内容物とガスの充填も別々に行うことも可能である。さらに、エアゾール容器のノズル部を容器本体に取り付ける前に内容物を容器内に投入し、ノズル部を取り付けた後ノズルを介してガスを充填することも可能である。
【0043】以上の様にして得られた、本発明のエアゾール容器入り食品は優れた利便性と保存性を有するだけでなく、安定なムース状に噴出されることでこれまでの油中水型エマルジョン食品にはなかったスプレッドとしての優れた特性を多数有する食品と成る。
【0044】
【実施例】以下、本発明を実施例によりさらに詳細に説明する
(実施例1)
下記配合に従って、ナタネ油を70℃に加温しモノグリセリン脂肪酸エステルを添加溶解させた。ホモミキサー(ポリトロンPT-3100;セントラル科学)を4,000rpmで油脂を攪拌しながら水を加えて、水滴を油脂中に分散させることにより油中水型エマルションを調製した。うち100gをノズル付き耐圧容器(250ml)に窒素ガスとともに充填圧800kPa(25℃)で充填した。
【0045】
ナタネ油 87.7 部
モノグリセリン脂肪酸エステル 1.3 部
水 11.0 部
【0046】充填後室温でまたは冷蔵で保管してから、使用時に容器を3〜5回震とうしノズルから充填物を吐出させたところ、発泡しながら展延してムース状となり適量でパン表面に塗布され、適度な保型性を有したスプレッドとして用いるに好ましい性状を呈していた。
【0047】
(実施例2)
実施例1と同様に下記配合に従って原料を混合し原液を調製した。うち50gをノズル付き耐圧容器(90ml)に亜酸化窒素ガスとともに充填圧500kPa(25℃)で充填した。
【0048】
コーン油 90.0 部
ジグリセリン脂肪酸エステル 2.8 部
水 7.2 部
【0049】充填後室温でまたは冷蔵で保管してから、使用時に容器を3〜5回震とうしノズルから充填物を吐出させたところ、発泡しながら展延してムース状となり適量でパン表面に塗布され、適度な保型性を有したスプレッドとして用いるに好ましい性状を呈していた。
【0050】
(実施例3)混合ガスを用いた例
水を40℃に加温し食塩およびホエイパウダーを分散溶解させ水相を調製した。大豆白絞油を70℃に加温しモノグリセリン脂肪酸エステルを添加溶解させた。ホモミキサー(ポリトロンPT-3100;セントラル科学)を4,000rpmで油脂を攪拌しながら水相を加えて、油中水型エマルションを調製した。炭酸ガス3容、窒素ガス7容の割合で混合したガスを、調製液80gとともに充填圧500kPa(25℃)でノズル付き耐圧容器(250ml)に充填した。
【0051】
大豆白絞油 94.7 部
モノグリセリン脂肪酸エステル 1.4 部
ホエイパウダー 0.3 部
食塩 0.67 部
水 2.63 部
香料 0.3 部
【0052】充填後室温でまたは冷蔵で保管してから、使用時に容器を3〜5回震とうしノズルから充填物を吐出させたところ、発泡しながら展延して炭酸ガス単独の場合よりきめの細かいムース状となり適量でパン表面に塗布され、適度な保型性を有したスプレッドとして用いるに好ましい性状を呈していた。また風味も炭酸ガス単独の場合より酸味が抑えられスプレッドとして問題のないものであった。
【0053】
(実施例4)冷蔵保存後の物性を確認した例
水を40℃に加温し食塩および脱脂粉乳を分散溶解させ水相を調製した。なたね油とバターオイルを混合し70℃に加温しレシチンおよびモノグリセリン脂肪酸エステルを添加溶解させた。ホモミキサー(ポリトロンPT-3100;セントラル科学)を4,000rpmで油脂を攪拌しながら水相を加えて、油中水型エマルションを調製した。香料およびカロチンを添加し95℃1分間加熱殺菌を行った後調製液を25℃まで冷却した。調製液100gをノズル付き耐圧容器(250ml)に亜酸化窒素とともに充填圧500kPa(25℃)で充填した。
【0054】
なたね油 46.0 部
バターオイル(融点15℃) 25.0 部
レシチン 0.2 部
モノグリセリン脂肪酸エステル 1.3 部
香料 0.9 部
βカロチン(30%) 0.0008部
食塩 1.1 部
脱脂粉乳 0.8 部
水 24.7 部
【0055】充填後室温でまたは5℃で保管してから、使用時に容器を3〜5回震とうしノズルから充填物を吐出させたところ、発泡しながら展延してムース状となり適量でパン表面に塗布され、適度な保型性を有したスプレッドとして用いるに好ましい性状を呈していた。
【0056】冷蔵1ヶ月後に容器を震とうして充填物を取り出したところ、噴出物の性状は変わることなくスプレッドとして用いるに好ましい性状を維持していた。
【0057】
(実施例5)ベンダーへ適用した例
実施例4と同様に調製した油中水型エマルション100gを、底部に弁を設けたステンレス製耐圧密閉容器(直径40mm×長さ200mm)に入れ、容器上部に設けた孔より亜酸化窒素を容器内に導入し、ガス圧500kPa(25℃)を保ったまま底部の弁を開き、内容物をステンレス配管(直径8mm×長さ150mm)およびビニルチューブ(直径8mm×長さ200mm)を通して取り出したところ、発泡しながら展延し、良好なムース状となりスプレッドとして用いるに好ましい性状を呈していた。
【0058】
(実施例6)乳化処理を行わずに充填した例
常温の水に食塩を溶解させ水相を調製した。なたね油を70℃に加温しモノグリセリン脂肪酸エステルおよびポリグリセリン脂肪酸エステルを添加溶解させた後25℃まで冷却した。調製油脂42.5gをノズル付き透明PET容器(90ml)に亜酸化窒素とともに充填圧200kPa(25℃)で充填し、ついで水相7.5gを亜酸化窒素とともに充填圧500kPa(25℃)で充填した。
【0059】
なたね油 83.7 部
モノグリセリン脂肪酸エステル 0.9 部
ポリグリセリン脂肪酸エステル 0.4 部
食塩 0.1 部
水 14.9 部
【0060】容器を20回程度震とうしたところ、水相が油相に白濁分散し油中水型エマルション状態となったことが目視により認められた。ノズルから充填物を吐出させたところ、良好なムース状に発泡した。吐出物を一部採取し光学顕微鏡により、油中に水相が分散したエマルション状態を成していることが観察された。
【0061】
(実施例7)乳化剤を添加しないバター単独の系に適用した例
28℃に加温した有塩バター100gを、実施例5のステンレス製耐圧密閉容器(直径40mm×長さ200mm)に入れ、容器上部に設けた孔より亜酸化窒素を容器内に導入し、ガス圧1MPa(28℃)を保ったまま底部の弁を開き、内容物をステンレス配管(直径8mm×長さ150mm)およびビニルチューブ(直径8mm×長さ200mm)を通して取り出したところ、発泡しながら展延し、良好なムース状を呈した。またその食感はファットスプレッド様の軽い食感であり、風味はバターそのものという従来のバターとは異なる新規な食品と言えるものであった。
【0062】
【発明の効果】以上説明したように、本発明は、利便性、保存性等エアゾール容器入り食品として通常具備する性質だけでなく、噴出後安定なムース状を呈することでスプレッドとして優れた展延性、付着性、食感、また見た目の面白さ等多くのこれまでの食品にない特性を有する新規で有用なエアゾール容器入り食品を提供するものである。
[0001]
BACKGROUND OF THE INVENTION The present invention relates to a water-in-oil type food, which is excellent not only in preservability and convenience but also in foaming at the time of spraying to form a stable mousse with excellent spread properties. And a novel food in an aerosol container.
[0002]
2. Description of the Related Art Foods having improved preservability and convenience using an aerosol container are already known. Many of them are directed to oil-in-water emulsions such as whipped cream (for example, Patent Document 1).
[0003] In addition, the same oil-in-water type but foaming is different from a cream of ordinary physical properties in that it is usually liquid and has a mousse-like property after spraying. ) Is already known (Patent Document 2). In this case, the purpose of the mousse shape is to provide a pleasure of appearance, and does not focus on the functionality of the mousse shape.
Further, there is also a patent for a palatable food in an aerosol container, which is characterized by filling a foamable viscous food material with a propellant gas under pressure (Patent Document 3). Also in this case, the target food is an ice cream or the like which is an oil-in-water emulsion, and is not intended for a water-in-oil emulsion food.
As an example of applying a water-in-oil emulsion to food in an aerosol container, there is an example in which coffee oil is emulsified and then filled into an aerosol container. In this case, since the purpose is to enhance the aroma of coffee, it is a requirement of the invention that the sprayed material also scatters in the air at the time of spraying and the aroma of coffee is diffused around, and the sprayed material does not become mousse-like. It is not originally assumed (Patent Document 4).
A container which is not of the aerosol type but is made of butter or margarine which becomes fluid at room temperature in a container pressurized by the pressure of an elastic body, from which these foods can be easily taken out, and a container containing the container. Foods have been reported (Patent Document 5). Also in this case, since the propellant is not encapsulated, the food is simply extruded, and it is not usually considered that the food is in a mousse state. There is no description or suggestion that the food is extruded in a mousse state.
[0007]
[Patent Document 1] JP-A-61-280232
[Patent Document 2] JP-A-04-148662
[Patent Document 3] JP-A-03-061450
[Patent Document 4] JP-A-64-086833 Example 3
[Patent Document 5] JP-A-05-132010
[0008]
The food enclosed in the aerosol container and the similar container of the above-mentioned prior art is provided with convenience by making it into such a form of food, and its sealing property and other characteristics when used. It has the property that it can be stored hygienically because it does not come into direct contact with food.
The present inventors have also studied the use of aerosol containers or pressurized containers for the purpose of imparting convenience and good preservability to foods used as spreads, and simply fill the aerosol containers with various foods. Faced with the fact that spread alone would result in foods with many problems. The problems are as follows.
[0010] When spraying a liquid oil such as a seasoning oil in a spray form, even if it is convenient, (1) it cannot be applied locally in a cut of bread or on a canapé (2). It is a liquid oil and runs down (cannot be applied to round bread, etc.) (3) An unpleasant texture that is similar to licking salad oil directly and is completely different from the texture of so-called margarine spreads As a result, there are many physical properties.
In the case where margarine or the like placed in a pressurized container is extruded like a patent document 5, it is discharged in a thin string form from a nozzle, and it is necessary to spread it further without obtaining sufficient spreadability. In addition, because the density of the ejected material is high, if the priority is placed on convenience and ejected over a wide range, the amount of ejection will be extremely large. The result is equivalent or worse.
[0012]
Means for Solving the Problems The present inventors have conducted various studies in order to solve these problems, and have observed the following interesting phenomena in the process. The contents were as follows.
[0013] A water-in-oil emulsion is prepared by dispersing water obtained by adding food ingredients such as skim milk powder to edible oil which is liquid at a refrigeration temperature, and further adding an emulsifier. They had no physical properties and had problems to be used as spreads. This preparation was placed in a closed container together with a propellant, and the contents were taken out through a pore provided in the closed container.Unexpectedly, the ejected product was foamed and became a mousse-like, and a spread having moderate plasticity was obtained. It became properties suitable for use as.
As a result of further study of the above observations, the present inventors have found that an aerosol container is filled with a water-in-oil emulsion together with a gas propellant or a composition which becomes a water-in-oil emulsion by light mixing upon use. Then, the water-in-oil emulsion does not become a spray or a mist at the time of jetting, but foams and becomes a stable mousse. We found that it was easy to control to an appropriate amount and that it could be eaten very easily without the trouble of spreading it further, and in addition to the convenience and good preservability of food in aerosol containers, Thus, a novel food in an aerosol container according to the present invention, which has no problems and is excellent in characteristics as a spread, has been completed.
That is, the product of the present invention is obtained by emulsifying a water-in-oil emulsion such as butter or a fat and oil such as butter oil and a water component with a suitable emulsifier to form a water-in-oil emulsion or in a container. The composition can be obtained by enclosing a composition capable of forming an emulsion in an aerosol container together with a suitable gas propellant. The thus-produced food in an aerosol container, as it is, or when lightly mixed before the spraying operation and then sprayed, foams when sprayed and becomes a mousse-like product, and becomes a food in an aerosol container showing excellent properties as a spread.
[0016]
DETAILED DESCRIPTION OF THE INVENTION The product of the present invention comprises a water-in-oil emulsion or a composition which, when used, becomes a water-in-oil emulsion, a gas propellant, and an aerosol container.
The water-in-oil type emulsion of the present invention or a composition which becomes a water-in-oil type emulsion when used is a composition comprising a fat and oil, an aqueous phase and an emulsifier, or a water-in-oil type emulsion such as butter. are doing.
The compositions used in the present invention must have at least fluidity at the time of use and have such a property that the gas propellant is dissolved to the extent that it foams upon injection. The fluidity here means a state that can be taken out from the nozzle, and does not necessarily mean that it is in a liquid state. For example, depending on the type of the gas propellant and the selection of the filling pressure, even a gel composition can be ejected in a mousse form.
In order to obtain a composition having fluidity at the time of use, (1) an oil or fat having a low solid fat content is selected. {Circle around (2)} A combination of an oil or fat having a high solid fat content and a liquid oil is used. {Circle around (3)} Using a gas having a high affinity for fats and oils (for example, a hydrocarbon gas) to enhance the fluidity of the fats and oils. (4) Use at a temperature that indicates fluidity. And the like.
In order to dissolve the gas propellant to the extent that it foams at the time of injection,
a) First, a gas having high solubility in the oil phase is selected, and a gas having high solubility in the aqueous phase is further combined in accordance with the content of the composition, or a gas which is easily dissolved in both the oil phase and the aqueous phase is selected. b) Increase the filling pressure of the gas propellant. And the like.
The selection of the fluidity and the method of dissolving the gas propellant as described above depends on whether the present invention is used in an aerosol container used at home or in an aerosol container in a vendor installed in a store or the like. The selection may be made in consideration of whether the aerosol container can be finely controlled in a factory or the like.
The food used in the present invention has a moisture content of 1% to 75%, preferably 2% to 65%, and has a fluidity when used or recovers fluidity by mixing or the like. If so, a material deviating from the above-mentioned water content can be used. From this, the present invention can be used as a water-in-oil emulsion even in foods of other categories such as water-in-oil type dressing as well as foods that are usually used as spreads, and has fluidity when used. If it is, the present invention can be applied.
Hereinafter, the contents of the present invention will be specifically described according to the constitution of the present invention.
The fats and oils used in the water-in-oil emulsion in combination with the emulsifier of the present invention include vegetable oils such as rapeseed, soybean, corn, palm, palm, palm kernel, cocoa butter, peanut oil, butter oil, and the like. Milk fats, animal fats such as beef tallow, lard, fish oil, etc., or mixed oils thereof, fats and oils such as processed fats and oils, and further diacylglycerols can be used. Particularly, by using milk fat such as butter oil alone or in combination with other fats and oils, a favorable flavor can be imparted to the food. Butter or the like containing a large amount of milk fat may be used in combination with other fats and oils.
The emulsifier used in the present invention to form a water-in-oil emulsion has an HLB value of 7.0 or less, preferably 5.0 or less. Specifically, sucrose fatty acid esters, glycerin fatty acid esters, sorbitan fatty acid esters, lecithin, enzyme-treated lecithin and the like are used alone or in combination. Among them, glycerin fatty acid ester has good shape and stability of foam after foaming, and can be suitably used in the present invention.
The amount of the emulsifier added is, for example, 0.1% to 10%, preferably 0.3% to 3% when glycerin fatty acid ester is used alone. When used in combination with other emulsifiers, the amount of addition is adjusted to be 0.15% to 10%, preferably 0.3% to 6%. The concentration to be used may be determined by considering that the stability of the foam is poor near the lower limit of the emulsifier concentration, the taste is affected near the upper limit, and the cost is disadvantageous.
In the case of foods that are water-in-oil emulsions, such as butter, they can be applied to the present invention without adding an emulsifier. Foods other than the emulsifier, such as fats and oils, water, and seasonings, can also be mixed with butter and the like. Furthermore, it is also possible to add an emulsifier to such foods and use them.
As the gas used as the gas propellant in the present invention, nitrous oxide, carbon dioxide, nitrogen, LPG, LNG and the like can be used. They can be used alone or in combination. However, in use, it is necessary to change the settings of the food to be applied and the pressure at the time of encapsulation in consideration of the properties of the gas propellant.
For example, since nitrous oxide or carbon dioxide has a high solubility in water and oil, even at a relatively low filling pressure of about 300 kPa at 25 ° C., it can be foamed at the time of jetting to form a mousse-like foam. When a gas such as nitrogen having a lower solubility than the gas is used, a filling pressure of about 800 kPa at 25 ° C. is required to form a mousse-like bubble.
When carbon dioxide is selected, the food after squirting has an added sour taste. Therefore, the food to be applied must be designed in consideration of this point.
Hydrocarbon gas such as LPG is a gas propellant which can be used when the present invention is applied to a water-in-oil emulsion containing a large amount of solid fat at a refrigeration temperature such as butter. Since LPG and the like have a high affinity for fats and oils, the temperature range in which the fats and oils exhibit fluidity can be widened.
These gases can be used complementarily to each other. For example, when 1 volume of nitrogen is mixed with 1 volume of nitrous oxide, the degree of foaming can be suppressed lower than in the case where nitrous oxide is used alone. This can be applied when it is necessary to make the mousse more stable and fine.
As the aerosol container used in the present invention, an existing aerosol food, for example, a metal container such as a steel can or an aluminum can used for whipped cream can be used as it is. Also, plastic containers can be used as long as they can withstand high pressure. Further, a bender-type aerosol container having a mechanism for storing a water-in-oil emulsion or a composition to be a water-in-oil emulsion when used and a gas propellant as separate bodies and having a mechanism for mixing both at the time of food supply is also used. be able to.
Regarding the precautions such as gas pressure, container used, and heat sterilization in producing these aerosol container foods, refer to Japanese Patent Publication No. 6-2041, "Method for producing aerosol can foods". can do.
The food in the aerosol container of the present invention produced as described above can be stored at a higher temperature than ordinary spreads.
Further, the composition which becomes a water-in-oil emulsion or a water-in-oil emulsion upon storage may be stored separately from the aerosol container. In this case, after being mixed with the gas propellant in the above-mentioned bender type container, the food becomes an aerosol container, and is spouted immediately after mixing and supplied as a mousse-like spread.
When the water phase and the oil phase are separated in the container, or when the water phase and the oil phase are separated during storage, the water-in-oil emulsion may be prepared by mixing immediately before use. The condition can be restored. Further, even if the fluidity is lost by refrigerated storage, the present invention can be implemented as long as the fluidity can be restored by an operation such as mixing immediately before use.
The examples of the embodiment of the present invention described above are summarized as follows according to the manufacturing process.
In producing the product of the present invention, an emulsifier is dispersed and dissolved in fats and oils. While the fats and oils are stirred by a homomixer, water in which a taste component such as salt is dispersed and dissolved is added if necessary, and dispersed and emulsified in the fats and oils to form a water-in-oil emulsion. If necessary, a coloring matter, a fragrance and the like may be added. It is also possible to form an emulsion by, for example, shaking after separately filling the oil and fat and the aqueous phase in a container.
Before filling, the oil, fat, aqueous phase or emulsion may be sterilized by aseptic filtration or by heating at 95 ° C. for 1 minute.
For filling, a required amount of emulsion is put into a pressure-resistant container, and a filling gas (gas propellant) is introduced into the container to maintain the required gas pressure. The aerosol container is filled with the emulsion and filling gas in the pressure-resistant container via both nozzles connected to the filling nozzle provided at the lower part of the container and the nozzle of the aerosol container.
When two or more gases are charged, a gas mixed in a required ratio in advance is used, but it is also possible to sequentially charge each gas. The filling of the contents and the gas can also be performed separately. Further, it is also possible to charge the contents into the container before attaching the nozzle portion of the aerosol container to the container body, and to fill the gas via the nozzle after attaching the nozzle portion.
The food in an aerosol container of the present invention obtained as described above not only has excellent convenience and preservability, but also has a stable water-in-oil type by being spouted in a stable mousse form. The resulting food has many excellent properties as a spread not found in emulsion foods.
[0044]
EXAMPLES Hereinafter, the present invention will be described in more detail with reference to Examples (Example 1).
According to the following formulation, rapeseed oil was heated to 70 ° C., and monoglycerin fatty acid ester was added and dissolved. Water was added to the fat / oil while stirring the fat / oil at 4,000 rpm using a homomixer (Polytron PT-3100; Central Science), and a water-in-oil emulsion was prepared by dispersing water droplets in the fat / oil. 100 g thereof was charged into a pressure-resistant container (250 ml) equipped with a nozzle at a filling pressure of 800 kPa (25 ° C.) together with nitrogen gas.
[0045]
Rapeseed oil 87.7 parts Monoglycerin fatty acid ester 1.3 parts Water 11.0 parts After filling, store at room temperature or refrigerated, shake the container 3 to 5 times at the time of use, and remove the filling from the nozzle. Upon discharge, the foam spread and spread to form a mousse, which was applied to the bread surface in an appropriate amount, and exhibited properties suitable for use as a spread having an appropriate shape-retaining property.
[0047]
(Example 2)
In the same manner as in Example 1, the raw materials were mixed according to the following composition to prepare a stock solution. Of these, 50 g were charged into a pressure-resistant container (90 ml) equipped with a nozzle together with nitrous oxide gas at a filling pressure of 500 kPa (25 ° C.).
[0048]
Corn oil 90.0 parts Diglycerin fatty acid ester 2.8 parts Water 7.2 parts After filling, store at room temperature or refrigerated, and shake the container 3-5 times before use to remove the filling from the nozzle. Upon discharge, the foam spread and spread to form a mousse, which was applied to the bread surface in an appropriate amount, and exhibited properties suitable for use as a spread having an appropriate shape-retaining property.
[0050]
(Example 3) Example using mixed gas Water was heated to 40 ° C, and salt and whey powder were dispersed and dissolved to prepare an aqueous phase. The soybean white squeezed oil was heated to 70 ° C., and the monoglycerin fatty acid ester was added and dissolved. The water phase was added to the homomixer (Polytron PT-3100; Central Science) while stirring the oil and fat at 4,000 rpm to prepare a water-in-oil emulsion. A mixed gas of 3 volumes of carbon dioxide gas and 7 volumes of nitrogen gas was charged into a pressure-resistant container (250 ml) with a nozzle at a filling pressure of 500 kPa (25 ° C.) together with 80 g of the prepared liquid.
[0051]
Soybean white oil 94.7 parts Monoglycerin fatty acid ester 1.4 parts Whey powder 0.3 parts Salt 0.67 parts Water 2.63 parts Fragrance 0.3 parts After filling, store at room temperature or refrigerated From, when the container was shaken 3 to 5 times at the time of use and the filler was discharged from the nozzle, it spreads while foaming and becomes finer mousse than carbon dioxide alone, and is applied to the bread surface in an appropriate amount, It exhibited favorable properties for use as a spread having an appropriate shape retention property. In addition, the flavor was less sour than the case of using carbon dioxide alone, and there was no problem as a spread.
[0053]
Example 4 Example of Confirming Physical Properties after Refrigerated Storage Water was heated to 40 ° C. to disperse and dissolve salt and skim milk powder to prepare an aqueous phase. Rapeseed oil and butter oil were mixed and heated to 70 ° C., and lecithin and monoglycerin fatty acid ester were added and dissolved. The water phase was added to the homomixer (Polytron PT-3100; Central Science) while stirring the oil and fat at 4,000 rpm to prepare a water-in-oil emulsion. After adding flavor and carotene and sterilizing by heating at 95 ° C. for 1 minute, the prepared solution was cooled to 25 ° C. 100 g of the prepared solution was charged into a pressure-resistant container (250 ml) equipped with a nozzle together with nitrous oxide at a filling pressure of 500 kPa (25 ° C.).
[0054]
Rapeseed oil 46.0 parts butter oil (melting point 15 ° C) 25.0 parts lecithin 0.2 parts monoglycerin fatty acid ester 1.3 parts fragrance 0.9 parts β-carotene (30%) 0.0008 parts salt 1.1 parts defatting 0.8 parts of powdered milk 0.8 parts of water 24.7 parts of water After filling, store at room temperature or at 5 ° C., shake the container 3-5 times at the time of use, and discharge the filling from the nozzle. It spread to form a mousse and was applied in an appropriate amount to the bread surface, exhibiting properties favorable for use as a spread having an appropriate shape-retaining property.
After one month of refrigeration, the container was shaken to take out the filling, and the properties of the ejected material remained unchanged and remained favorable for use as a spread.
[0057]
(Example 5) Example applied to a vendor 100 g of a water-in-oil emulsion prepared in the same manner as in Example 4 was placed in a stainless steel pressure-resistant airtight container (diameter 40 mm x length 200 mm) provided with a valve at the bottom, and the upper part of the container Nitrous oxide was introduced into the container through the hole provided in the container, and while the gas pressure was kept at 500 kPa (25 ° C.), the bottom valve was opened, and the contents were passed through a stainless steel pipe (diameter 8 mm × length 150 mm) and a vinyl tube (diameter). (8 mm x 200 mm in length), it was spread while foaming, and became a good mousse-like shape, exhibiting properties favorable for use as a spread.
[0058]
(Example 6) Example of filling without emulsification treatment Salt was dissolved in water at normal temperature to prepare an aqueous phase. The rapeseed oil was heated to 70 ° C, and the monoglycerin fatty acid ester and the polyglycerin fatty acid ester were added and dissolved, and then cooled to 25 ° C. 42.5 g of the prepared fats and oils are filled into a transparent PET container (90 ml) with a nozzle together with nitrous oxide at a filling pressure of 200 kPa (25 ° C.), and then 7.5 g of the aqueous phase is filled with nitrous oxide at a filling pressure of 500 kPa (25 ° C.). did.
[0059]
Rapeseed oil 83.7 parts monoglycerin fatty acid ester 0.9 part polyglycerin fatty acid ester 0.4 part salt 0.1 part water 14.9 parts When the container is shaken about 20 times, the water phase becomes oil phase. It was visually observed that the mixture became turbid and became a water-in-oil emulsion. When the filler was discharged from the nozzle, it foamed in a good mousse shape. A part of the ejected matter was collected, and it was observed by an optical microscope that an emulsion state in which an aqueous phase was dispersed in oil was formed.
[0061]
(Example 7) Example applied to a system of butter alone without adding an emulsifier 100 g of salted butter heated to 28 ° C was placed in the stainless steel pressure-resistant closed container (40 mm in diameter × 200 mm in length) of Example 5. Nitrous oxide was introduced into the container through the hole provided at the top, the valve at the bottom was opened while maintaining the gas pressure at 1 MPa (28 ° C), and the contents were passed through a stainless steel pipe (diameter 8 mm x length 150 mm) and a vinyl tube ( When it was taken out through a tube having a diameter of 8 mm and a length of 200 mm), it spread while foaming, and exhibited a good mousse shape. The texture was a light texture like fat spread, and the flavor was a novel food called butter itself, which is different from conventional butter.
[0062]
As described above, the present invention has excellent spreadability as a spread by exhibiting a stable mousse shape after squirting, as well as the properties normally provided as a food in an aerosol container such as convenience and preservability. An object of the present invention is to provide a novel and useful food in an aerosol container, which has many characteristics not found in conventional foods, such as adhesiveness, texture, and appearance.

Claims (4)

油中水型エマルション及び/または使用に際してのミキシングで油中水型エマルションとなる組成物をガス噴射剤と共にエアゾール容器に充填し、噴射時に油中水型エマルションである該組成物が起泡してムース状となることを特徴とするエアゾール容器入り食品A water-in-oil emulsion and / or a composition that becomes a water-in-oil emulsion by mixing at the time of use is filled in an aerosol container together with a gas propellant, and the composition that is a water-in-oil emulsion is foamed at the time of injection. Mousse-shaped food in aerosol containers 油中水型エマルション及び/または使用に際してのミキシングで油中水型エマルションとなる組成物が乳化剤を添加されたものである請求項1に記載のエアゾール容器入り食品The food in an aerosol container according to claim 1, wherein the water-in-oil emulsion and / or the composition that becomes a water-in-oil emulsion upon mixing at the time of use contains an emulsifier. 油中水型エマルションが乳化剤を添加されていないバターまたはバターに乳化剤以外の食品を混合したものである請求項1に記載のエアゾール容器入り食品The food in an aerosol container according to claim 1, wherein the water-in-oil emulsion is a mixture of butter to which no emulsifier is added and food other than the emulsifier. スプレッドとして用いられる請求項1から3に記載のエアゾール容器入り食品The food in an aerosol container according to claim 1, which is used as a spread.
JP2002371030A 2002-12-20 2002-12-20 Food in aerosol containers Expired - Fee Related JP4614617B2 (en)

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JP2002371030A JP4614617B2 (en) 2002-12-20 2002-12-20 Food in aerosol containers
US10/539,445 US8012524B2 (en) 2002-12-20 2003-12-19 Mousse-type spread and mousse-type edible oil
PCT/JP2003/016337 WO2004056190A1 (en) 2002-12-20 2003-12-19 Mousse-type spread and mousse-type edible oil
AU2003292589A AU2003292589A1 (en) 2002-12-20 2003-12-19 Mousse-type spread and mousse-type edible oil

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006204133A (en) * 2005-01-26 2006-08-10 Sanei Gen Ffi Inc Aerosol-type acidic oil and fat composition
JPWO2008149848A1 (en) * 2007-06-05 2010-08-26 住友精化株式会社 Method of foaming food using nitrous oxide as a foaming agent

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JPS59183650A (en) * 1983-04-02 1984-10-18 Nippon Light Metal Co Ltd Liquid margarine
JPS6312257A (en) * 1986-03-05 1988-01-19 Fuji Oil Co Ltd Rice cake and method for packing same
JPS6423850A (en) * 1987-06-16 1989-01-26 Warner Lambert Co Edible aerosol foam composition and its preparation
JP2002212025A (en) * 2000-12-23 2002-07-31 Beiersdorf Ag O/w emulsion containing one or more kinds of ammonium acryloyldimethyltaurate/vinylpyrrolidone copolymers
JP2002302550A (en) * 2001-04-06 2002-10-18 Mizusawa Ind Chem Ltd Water-in-oil type emulsion

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183650A (en) * 1983-04-02 1984-10-18 Nippon Light Metal Co Ltd Liquid margarine
JPS6312257A (en) * 1986-03-05 1988-01-19 Fuji Oil Co Ltd Rice cake and method for packing same
JPS6423850A (en) * 1987-06-16 1989-01-26 Warner Lambert Co Edible aerosol foam composition and its preparation
JP2002212025A (en) * 2000-12-23 2002-07-31 Beiersdorf Ag O/w emulsion containing one or more kinds of ammonium acryloyldimethyltaurate/vinylpyrrolidone copolymers
JP2002302550A (en) * 2001-04-06 2002-10-18 Mizusawa Ind Chem Ltd Water-in-oil type emulsion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006204133A (en) * 2005-01-26 2006-08-10 Sanei Gen Ffi Inc Aerosol-type acidic oil and fat composition
JPWO2008149848A1 (en) * 2007-06-05 2010-08-26 住友精化株式会社 Method of foaming food using nitrous oxide as a foaming agent

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