JP3814817B2 - Method and apparatus for frying food - Google Patents

Method and apparatus for frying food Download PDF

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Publication number
JP3814817B2
JP3814817B2 JP31131098A JP31131098A JP3814817B2 JP 3814817 B2 JP3814817 B2 JP 3814817B2 JP 31131098 A JP31131098 A JP 31131098A JP 31131098 A JP31131098 A JP 31131098A JP 3814817 B2 JP3814817 B2 JP 3814817B2
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Prior art keywords
fried
stir
temperature
electromagnetic induction
ingredients
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JP2000135166A (en
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守弘 佐田
典彦 山田
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Ajinomoto Co Inc
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Ajinomoto Co Inc
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Description

【0001】
【発明の属する技術分野】
本発明は、加熱を電磁誘導加熱により行うことを特徴とする炒め食品の製造方法乃至製造装置に関する。
【0002】
【従来の技術】
炒めるとは、食品を油などで煎って調理することとも定義され、また、炒め物については、「食品を少量の油(材料の5〜10%)を用いて強火で短時間加熱調理した料理をいう。用いる油が少ないのでなべの高い熱が直接食品に伝わり焦げ付きやすい。従ってなべはゆすったり混ぜたりするのが便利な加熱面の広い、浅いしかも熱容量の大きいフライパンや中華鍋が適している。一般に油としては中国料理ではラード、日本料理では植物油、西洋料理ではバターが使われる。フライパンや中華鍋を熱してから油を入れ、油が熱せられたら材料を加え高温、短時間で材料に火を通すようにする。材料はなるべく大きさをそろえて切り、火の通りにくいものから先に炒めながら醤油、塩、こしょうなどの調味料で味つけする場合が多い。炒めるという操作により、野菜類は軟らかくなる。水分は減少し、代わりに材料の中に油が浸透し油の風味が加えられる。野菜類は色の美しさや歯ざわりを残すために短時間で加熱することがコツ。高温短時間の加熱ではビタミン類の損失は割合少ない。また緑黄色野菜に含まれるカロチンは油で調理すると体内での利用率が高まる。一方、肉類は炒めることにより、筋肉の蛋白質は熱による凝固のために硬くなる。長時間の加熱では肉全体が縮み、せっかくの肉汁やうまみが溶け出してしまうので強火で短時間炒める注意が必要。」(日本食品工業学会編「新版食品工業総合事典」((株)光琳平成5年発行)第87頁)と解説されている。
【0003】
あるいはまた、「食品の調理方法の1つである炒め調理の製造工程においては、それぞれの炒め食品の食材毎に必要な加熱温度や温度履歴を与えながら、必要に応じて該食材を撹拌しながら加熱することが必要である。また、これらの食材を炒めるに必要な温度は、食材によっても異なるが、一般に低い場合でも160℃ないし180℃、より高温の場合には300℃以上の加熱温度が必要とされる。」とも言われている。
【0004】
さて、従来、食品の炒め調理を行う場合、一般家庭の厨房における調理と同じ規模のフライパンや中華鍋を用いた手作業による人海戦術で行われていたり、比較的多量の炒め調理を行う場合でもガスを熱源とする平釜や回転釜などが用いられるのが通常であった。
【0005】
しかしながら、ガス加熱は温度調整が難しく、調理作業においては、手作業での調理はもとより、ガス式の平釜や回転釜を用いる場合であっても、作業者が付きながら調理を行うのが普通であり、このために常に同じ品質の調理を行うのは熟練を要する作業であった。更に、ガスは、熱効率が低いため加熱装置の周囲の温度上昇が激しく、作業者にとっては好ましい作業環境を維持することが困難であった。
【0006】
しかも、これらの鍋や釜を用いて加熱する方法では、調理機の表面からの熱伝達で材料を加熱するため、大量の材料を一度に炒める場合、材料の単位量に対して伝熱面積が少なくなるため、一度に調理できる材料の量に限界があった。
【0007】
以上、約言すると、従来、炒め調理では鍋等を用いた手作業での調理を行うか、中規模の炒め機としては、ガス式の回転釜などが用いられていた。より量の多い規模での炒めを実現する方法がなく、やむを得ず、蒸気釜を用いた低温長時間加熱を行う事が多く、得られる炒め食品の品質に課題が残されていた。また、従来のガス釜は熱効率が低く周囲に熱を放出するため、作業環境の劣化にも課題があった。
【0008】
【発明が解決しようとする課題】
前項記載の従来技術の背景下に、本発明の目的は、高温加熱が必要な炒め調理工程において、ガス火で鍋または釜を加熱して炒める方法に伴う前記の問題点を免れた、すなわち、作業環境に優れた、一度に大量の材料に対して高温で短時間の炒めを実現することのできる、しかも同じ品質の調理を行うことのできる優れた食品の炒め方法乃至装置を提供しようとするものである。
【0009】
【課題を解決するための手段】
本発明者らは、前記記載の目的を達成すべく鋭意研究の結果、加熱に電磁誘導加熱を用いる事により、多量の炒め材料の食材を対象として目的の温度での制御が容易に行え、かつ散逸する熱による周囲の温度上昇の防止が可能な炒め調理が可能な事を見いだし、本発明を完成するに至った。
【0010】
すなわち、本発明は、加熱源に電力を用い、発熱方法に電磁誘導発熱法を用いる事を特徴とする、より詳しくは、一端を開き、かつ、内面に掻き上げ羽根を設けた円筒状容器の炒め釜に炒め材料の食材を保有せしめ、その外部に設置した電磁誘導加熱装置の電磁誘導加熱コイルに通電する高周波電流を用いて該炒め釜を外部から加熱しながら回転して内部に保有した食材を該掻き上げ羽根で掻き上げて落下せしめることにより撹拌しつつ加熱する事を特徴とする食品の炒め方法乃至その装置に関するものである。
【0011】
本発明の炒め方法および装置は、レストランないし食堂等の厨房で用いる比較的小規模な回分式の炒め調理分野に始まり、弁当惣菜分野の中規模の炒め調理分野、更には冷凍食品の製造におけるような多量の連続炒め調理分野に至る広い範囲で利用することのできるものである。
【0012】
【発明の実施の形態】
以下、本発明を詳細に説明する。
【0013】
本発明が目的とする食品の炒めについて、まず説明する。
【0014】
本発明における炒め食品とは、炒飯、ピラフ、野菜炒め、焼きそば、焼きビーフンなどの様な直接喫食を行う形態の食品のみならず、ルーの焙焼、オニオン(玉ねぎ)のローストやソテー、にんにくや生姜の炒め、挽き肉の炒めなど、他の食品や調味料を製造するための中間加工品をも意味する。従って、本発明の炒めの材料である食材は、もちろん、これらの食品の原材料ということになる。
【0015】
また、炒めに必要な油は、回分式においては、予め炒め釜に入れて加熱しておく方式、液体油脂を炒め工程前か炒めながらスプレーノズルで調理材料の食材に吹きかける方式、動物脂の固形脂を砕いたものや液体油脂をカプセル化したものを予め調理材料の食材にまぶしておく方式、等で供給することができる。(以下削除)
【0016】
炒めは、先に説明したように、食品の加熱調理方法の1つであるが、これを詳述すると、炒め調理の工程においては、(1)炒め対象の材料を所定の時間で所定の品温までの加熱を行う事、(2)炒め対象の食材及び炒め方法によっても異なるが、炒め材料を加熱する事によって、材料の表面に付着する水分や、内部に含まれる水分の一部ないしは大部分を蒸発せしめる事、(3)材料の特に表面部分を高温の媒体に接触せしめる事により、部分的に焼きを与える事、(4)炒め中の撹拌操作によって、材料どうしあるいは加えた調味料を均一に混合分散する事、そして(5)材料や調味料に対して高温の温度履歴を与える事によって、材料の成分と調味料の成分との間でないしはそれらの成分どうしに対して加熱褐変反応を生じせしめ、いわゆる炒め風味を発生せしめる事がある。食品の炒めにおいては、炒め対象の材料や炒め調理の種類によって、それぞれ炒めに必要な条件は異なるが、いずれも上記の要件の全てないしはその一部が満たされなければ、目的とする炒め効果が得られない。
【0017】
そのためには炒め操作においては、炒め材料の食材に対して必要な熱量を必要な時間内に与える事が必要であり、もし加熱能力が低い装置で多量の材料を炒めた時の様に、必要な加熱温度までの加熱が行えなかったり、あるいは炒めに長時間を要した場合、目的とする炒めが得られない。
【0018】
すなわち、好ましい炒め調理を行うには、炒め対象の炒めの種類や材料に適した温度と時間条件で加熱を行いながら、必要な撹拌混合を与える事が大切であり、それを実現する装置が求められる。
【0019】
この点、電磁誘導加熱技術を利用して大量材料に対する高温短時間加熱を実現することのできる本発明の食品の炒め方法乃至装置によれば、電磁誘導加熱は発熱量が多く、且つ高温加熱が可能で、応答性が高い加熱手段であるところ、この加熱を利用することにより、ガス直火加熱と同等以上の加熱性を実現し、常に均一な条件での炒めを実現するとともに、熱効率が高い事によって、周囲への温度の放散を防止する事ができる。本発明の炒め方法乃至装置は、先に述べたような中華系の各種炒めや、オニオンのロースト、ルーの焙焼などの中間工程での炒め調理に好ましく使用することが可能である。
【0020】
本発明の食品の炒め方法のいくつかの実施態様を挙げると、例えば、次の通りである。
【0021】
1つは、一端を開き、かつ、内面に掻き上げ羽根を設けた円筒状容器の炒め釜に食材を保有せしめ、その外部に設置した電磁誘導加熱装置の電磁誘導加熱コイルに通電する高周波電流を用いて該炒め釜を外部から加熱しながら回転して内部に保有した炒め材料の食材を該掻き上げ羽根で掻き上げて落下せしめることにより撹拌しつつ加熱する事を特徴とする食品の炒め方法である。この場合、前記炒め釜の外部からの加熱は、円筒面全体に行うのが好ましいことはいうまでもない。
【0022】
もう1つは、上記の方法であって、該炒め釜が一端を閉じた円筒状容器であり、かつ該電磁誘導加熱コイルに与える電力を経時的に変化させる制御を行う事を特徴とする食品の炒め方法である。
【0023】
(削除)
【0024】
本発明の上に説明したような炒め方法を実施するのに適する、好ましい炒め装置としては、例えば、一端を開いた、かつ、炒め材料の内容物を掻き上げて落下せしめることで撹拌するための羽根を内面に有する円筒状容器の回転式の加熱釜である炒め釜、炒め釜を所定の温度に昇温するための電磁誘導加熱装置、および炒め釜の内側表面温度及び炒め対象の食材の品温を制御するための温度制御装置を具備することを特徴とする食品の炒め装置を挙げることができる。この装置における温度制御は、予め決めた、例えばシェフの、温度パターンで温度制御を行うためのプログラムにより好ましく行うことができる。
【0025】
次に、これらの構成要素について説明する。
【0026】
本発明の炒め装置における円筒状容器の回転式の加熱釜である炒め釜としては、回分式で用いるための一端が閉じた円筒形式のものを用いることができる。これらのうちの回分式で用いるための加熱釜では、予め所定の炒め材料の食材および必要若しくは所望による調味料を一度に、あるいは必要に応じて順次投入し、必要に応じて加熱温度を時間的に変化させながら炒めを行うものである。(以下削除)
【0027】
いずれの場合も、炒め釜は、その中に入れた炒め材料の食材の上下反転による撹拌のために、円筒形の中心軸を回転軸として回転を行えることが必要である。この場合の回転数は、本発明の目的の達成される限り特に問うものではないが、例えば、概ね毎分5〜60回転の範囲である。釜の内部には、回転によって材料を掻き上げて落下せしめるための掻き上げ羽根を具備する。掻き上げ羽根の形状は、材料の性状によって選べばよく、例えばルーの焙焼やオニオンのソテー、あるいは野菜炒めの場合には切り欠きのない帯状を、そしてほぐしが必要な炒飯や焼きそばの場合には、フォーク状のほぐし棒を有する形状を選ぶことができる。
【0028】
炒め釜は、電磁誘導加熱を行うためにその材質が限定されるが、鋳鉄ないし軟鉄、軟鋼の様な強磁性を有する金属の材料、あるいはアルミニウム、銅などの磁性のない材料の場合には、その内部または外面に鉄などの強磁性を有する金属を埋め込んだり貼り合わせたものを用いればよい。
【0029】
炒め釜の外部には、釜を加熱するための電磁誘導加熱装置の電磁誘導加熱コイルを釜の外側表面より適宜離した位置に設置する。加熱コイルの数は1つないし複数個設置することができる。
【0030】
電磁誘導加熱コイルに給電するインバータは、目的の加熱温度を得るに必要な電力を供給できるものであれば良く、複数のコイルを1台のインバータで駆動しても良く、あるいは温度帯毎のコイルを個別のインバータで駆動してもよい。また、インバータの発信回路については、特にその形式や回路構成を問うものではない。(以下削除)
【0031】
炒め材料と種類によっては、例えば、始めは低温で炒めを開始し、次第に炒め釜の温度を上げて行く必要のある場合や、逆に、始めは高温で炒めを開始し、次第に炒め釜の温度を下げていく必要のある場合がある。このような炒め操作に対応するためには、特に回分式の炒め装置の場合には、炒め材料に応じた加熱時間と加熱温度パターンで炒めを行う事が必要である。温度制御装置には、それぞれの材料の炒めに応じた加熱温度パターンを制御プログラムデータとして備えておき、材料に応じた釜の内側表面温度および材料の品温を測定し、釜を加熱する熱量と撹拌速度を制御する事により、常に安定した炒めを得る事ができる。(以下削除)
【0032】
上に説明したような本発明の食品の炒め装置の具体例としては、例えば、後掲図1および図2に示す回分式のものを挙げることができる。
【0033】
図1および図2の両者は、併せて同一の回分式装置を説明するための概念図である。すなわち、図1は、特に釜本体の内部構造が分かるようにしたものであり、そして図2は、特に支持装置がわかるように炒め釜を、その回転軸が水平となる位置において、上方からみたものである。
【0034】
両図において、一端が閉じた円筒状容器の炒め釜本体(1)は、閉じた端面に設けられた回転軸(2)を介して、揺動式アーム(3)の軸受けで支えられ、支柱(4)に揺動可能な形で取り付けられている。回転軸(2)は同じくアーム(3)に取り付けられた可変速電動機(5)によって回転駆動される。釜本体の内面には掻き上げ羽根(6)が取り付けられており、また釜本体の外部には、リッツ線を円筒状に巻いた電磁誘導加熱コイル(7)がアーム(3)によって保持されており、この中を釜全体(1)が回転する。コイル(7)に供給される高周波電力および電動機(5)に供給される電力は、制御装置(8)から供給される。制御装置(8)内には、予め設定されたプログラムに従って加熱温度および電動機(5)の回転数を制御する回路と、制御にしたがって電磁誘導加熱コイル(7)と電動機(5)に所定の電力を供給するインバータ回路が含まれている。この時の制御の指針となる釜の温度を測定するため、熱電対(9)が釜の内側表面に、また品温を測定する熱電対(10)が掻き上げ羽根(6)に取り付けられている。なお、円筒状容器の釜本体(1)の開いている方の端面(開口端)は、炒め材料の投入および炒め終った材料の取り出しの妨げとならない仕方で、これを部分的に遮蔽することもできる。
【0035】
この回分式装置の炒め釜に炒め材料の食材を投入するには釜本体の開いた端面を上方に向けた位置に置いてそこから行うことができる。また、炒め操作中は、炒め材料の内容物が外部にとびでないように上記端面を上方に向けた位置で行うことはもちろんである。炒め終わった食材は、前記端面を下方に向けてそこから取り出すことができる。
【0036】
(削除)
【0037】
(削除)
【0038】
(削除)
【0039】
【実施例】
以下、実施例により本発明を更に詳しく説明する。
【0040】
実施例1(回分式による炒飯)
この実施例は、図1および図2に示すような回分式の回転式炒め釜の装置を用いて行った。
【0041】
すなわち、炒め釜を回転させながら電磁誘導加熱コイルに電流を通じて釜温度が320℃になるまで加熱を行った。次いで、炒め油としてコーンサラダ油50gを入れた後、液卵100g、長ネギおよびニンジンのみじん切りを各50g、そして白飯を1kgを材料として投入した。材料の温度が98℃に達した後、食塩、醤油などの調味料を加えた後、98℃を維持するように電磁誘導加熱コイルに供給する電力を調整しながら3分間の炒めを行なった。所定時間の加熱を終えた後、電磁誘導加熱を停止し、炒め釜を下方に傾けてでき上がった炒飯を取り出した。
【0042】
得られた炒飯は、ガスコンロと中華鍋を用いて調理したものと同じように、パラパラ感のある炒飯であった。
【0043】
実施例2(回分式によるルー)
この実施例も、実施例1におけると同様の回分式の回転式炒め釜を用いて行った。
【0044】
すなわち、炒め釜を加熱しながら無塩バター700gを投入した。バターが溶融した後、強力小麦粉1kgを投入して撹拌加熱を行った。温度制御は、まず、釜温度を始めの8分間においては170℃まで次第に昇温させながら炒めを行い、次いで釜温度を170℃を保ちながら13分間の炒めを行った。その後、釜の加熱を停止してでき上がったルーを取り出した。
【0045】
得られたルーは焦げがなく、鍋で手作りで試作したものと同等の高品質のものであった。
【0046】
(削除)
【0047】
(削除)
【0048】
(削除)
【0049】
【発明の効果】
本発明の電磁誘導加熱による炒め装置、特に本発明に係わる炒め釜を用いる事により、予め設定したプログラムに従って釜温度及び品温を制御する事ができ、延いては、常に同じ品質の炒めを行う事ができる。また、本発明に用いた電磁誘導加熱法では、加熱対象となる釜のみを加熱するため、周囲の空気を熱する事がなく、作業環境を悪化させる事なく炒めを行う事ができる。更に、余分な熱ロスがないため、熱効率が高く、ガスの直火と比較してエネルギーコストも少なくする事ができる。
【図面の簡単な説明】
【図1】 本発明の回分式の炒め装置の1例の概念図(特に釜本体の内部)を示す。
【図2】 本発明の回分式の炒め装置の1例の概念図(特に釜本体の支持構造)を示す。
【図3】(削除)
【符号の説明】
1 炒め釜本体
3 揺動式アーム
5 可変速電動機
6 掻き上げ羽根
7 電磁誘導加熱コイル
(以下削除)
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method or an apparatus for manufacturing fried food, characterized in that heating is performed by electromagnetic induction heating.
[0002]
[Prior art]
Stir-fry is also defined as cooking food by roasting it with oil, etc. Also, for stir-fry, “Food is cooked for a short time with high heat using a small amount of oil (5-10% of ingredients). Because less oil is used, the high heat of the pan is transferred directly to the food, so the pan is easy to burn and mix, so a pan with a large heating surface that is convenient to shake and mix, and a pan with a large heat capacity or a wok is suitable. In general, Chinese food is lard, Japanese food is vegetable oil, Western food is butter.Fry pans and woks are heated and then oil is added. Cut the ingredients in as much size as possible, and often season them with seasonings such as soy sauce, salt, pepper, etc. This will soften the vegetables, reduce the moisture, and instead the oil penetrates into the ingredients and adds the flavor of the oil.The vegetables are heated in a short time to leave the beauty of the color and the texture. When cooking at high temperature for a short time, the loss of vitamins is small, and the carotene contained in green and yellow vegetables increases in the body when cooked with oil, while meat is fried to produce muscle protein. It becomes hard due to coagulation by heat.When heated for a long time, the whole meat shrinks and the precious meat juice and umami are melted, so it is necessary to be careful to fry for a short time on high heat. " It is described as “Industrial Comprehensive Encyclopedia” (published by Kozo Co., Ltd., 1993), page 87).
[0003]
Alternatively, “in the manufacturing process of fried cooking that is one of the food cooking methods, while giving the necessary heating temperature and temperature history for each ingredient of each fried food, while stirring the ingredients as necessary The temperature required to fry these ingredients varies depending on the ingredients, but generally the heating temperature is 160 ° C. to 180 ° C. even at low temperatures, and 300 ° C. or higher at higher temperatures. It is said that it is needed.
[0004]
Well, traditionally, when cooking food, it has been done by manual human tactics using a frying pan or wok of the same scale as cooking in a general kitchen, or when relatively large amounts of stir-cooking However, it was normal to use a flat pot or a rotary pot that uses gas as a heat source.
[0005]
However, it is difficult to adjust the temperature of gas heating, and it is normal for cooking to be done while the operator is attached, even when using a gas-type flat pot or a rotary pot, as well as manual cooking. For this reason, it has been a skill-intensive work to always cook the same quality. Furthermore, since the gas has a low thermal efficiency, the temperature around the heating device increases rapidly, making it difficult for the operator to maintain a favorable working environment.
[0006]
Moreover, in the method of heating using these pots and pots, the material is heated by heat transfer from the surface of the cooking machine, so when a large amount of material is fried at a time, the heat transfer area relative to the unit amount of the material is There is a limit to the amount of ingredients that can be cooked at one time because it is less.
[0007]
As described above, conventionally, in stir-fry cooking, manual cooking using a pan or the like is performed, or as a medium-scale stirrer, a gas-type rotary kettle or the like has been used. There is no way to realize the stir-fry on a larger scale, and it is unavoidable that the low-temperature and long-time heating is often performed using a steam pot, and there remains a problem in the quality of the obtained fried food. In addition, since the conventional gas kettle has low thermal efficiency and releases heat to the surroundings, there is a problem in deterioration of the working environment.
[0008]
[Problems to be solved by the invention]
Under the background of the prior art described in the preceding paragraph, the object of the present invention is to avoid the above-mentioned problems associated with the method of heating a pan or kettle with a gas fire in a stir-cooking process that requires high-temperature heating, that is, To provide an excellent food frying method or apparatus that is excellent in the working environment, can achieve high-temperature short-time frying for a large amount of materials at once, and can perform the same quality cooking. Is.
[0009]
[Means for Solving the Problems]
As a result of earnest research to achieve the above-mentioned object, the present inventors can easily control at a target temperature for a large amount of stir-fried food ingredients by using electromagnetic induction heating for heating, and It has been found that fried cooking is possible that can prevent ambient temperature rise due to dissipated heat, and the present invention has been completed.
[0010]
That is, the present invention uses the electrical power to the heating source, characterized in that an electromagnetic induction heating method heating method, and more particularly, to open one end, and a cylindrical container provided with a blade scooping the inner surface The stir-fried kettle was held with the ingredients of the stir-fried ingredients, and the stir-fried kettle was rotated while being heated from the outside using the high-frequency current applied to the electromagnetic induction heating coil of the electromagnetic induction heating device installed outside and held inside. The present invention relates to a method for frying food or a device therefor, characterized in that the ingredients are heated with stirring by scraping and dropping the ingredients with the scraping blades .
[0011]
The stir-fried method and apparatus of the present invention starts from a relatively small-scale batch-type stir-cooking field used in kitchens such as restaurants or canteens, as well as a medium-scale stir-cooking field in a bento dish field, as well as in the production of frozen foods. It can be used in a wide range up to a large amount of continuous fried cooking field.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
[0013]
First, a description will be given of the stir-fry of the food targeted by the present invention.
[0014]
The stir-fried food in the present invention is not limited to foods such as fried rice, pilaf, stir-fried vegetables, fried noodles, grilled rice noodles, etc. It also means intermediate processed products for the production of other foods and seasonings, such as stir-fried rice and stir-fried minced meat. Therefore, the foodstuff that is the fried material of the present invention is of course the raw material of these foods.
[0015]
In addition, in the batch type, the oil required for the stir-fry is preheated in a stir-fry pot, the liquid oil or fat is sprayed on the ingredients of the cooking material with a spray nozzle while stir-frying or stir-fry, solid animal fat The thing which crushed fat or the thing which encapsulated liquid fats and oils was previously sprinkled on the ingredients of a cooking material can be supplied. (Deleted below)
[0016]
As described above, stir-fry is one of the methods for cooking food. In detail, in the step of stir-cooking, (1) the material to be fried is a predetermined product for a predetermined time. Depending on the ingredients to be fried and the method of frying, depending on the ingredients to be fried and the method of frying, heating the stir-fry material will cause some or a large amount of moisture to adhere to the surface of the material Evaporate the part, (3) give the material partly baked by bringing the surface part of the material into contact with a high temperature medium, and (4) add ingredients or seasonings by stirring operation during frying. By uniformly mixing and dispersing, and (5) giving a high temperature history to the ingredients and seasonings, it is not between the ingredients of the ingredients and the ingredients of the seasonings, or the browning reaction to those ingredients Give rise to There be allowed to generate a loose fried flavor. In stir-fried foods, the conditions required for stir-fry differ depending on the ingredients to be fried and the type of stir-fry, but if all or part of the above requirements are not met, the desired stir-fry effect will be achieved. I can't get it.
[0017]
To that end, in the frying operation, it is necessary to give the necessary amount of heat to the ingredients of the stir-fried ingredients within the necessary time, as if a large amount of ingredients were fried in a device with low heating capacity. If the heating to a proper heating temperature cannot be performed or if a long time is required for the frying, the desired fried food cannot be obtained.
[0018]
In other words, in order to perform preferred stir-cooking, it is important to give the necessary stirring and mixing while heating at the temperature and time conditions suitable for the type and ingredients of the object to be fried. It is done.
[0019]
In this regard, according to the food frying method or apparatus of the present invention that can realize high-temperature and short-time heating for a large amount of material using electromagnetic induction heating technology, the electromagnetic induction heating generates a large amount of heat and the high-temperature heating is not performed. This is a heating means that is possible and has high responsiveness. By using this heating, it achieves a heating performance equivalent to or higher than that of gas direct-fire heating, and always achieves stir-fry under uniform conditions and high thermal efficiency. By this, it is possible to prevent the temperature from spreading to the surroundings. The stir-fry method or apparatus of the present invention can be preferably used for stir-fry cooking in intermediate processes such as various Chinese-style stir-fries as described above, roasted onions, roasted roux, and the like.
[0020]
Some embodiments of the food frying method of the present invention are as follows, for example.
[0021]
One opens one end, and allowed to retain food fried kettle cylindrical container provided with a blade scooping the inner surface, a high-frequency current supplied to the electromagnetic induction heating coil of the electromagnetic induction heating unit installed in the outside A method for frying food, characterized in that the stir-fried food is rotated and heated while being heated from outside, and the ingredients of the stir-fried material held inside are swirled with the scraping blades and dropped while stirring. It is. In this case, it goes without saying that heating from the outside of the stirrer is preferably performed on the entire cylindrical surface.
[0022]
The other is the above-mentioned method, wherein the stir-up pot is a cylindrical container with one end closed, and the food is characterized by performing control to change the power applied to the electromagnetic induction heating coil over time. It is a method of fried.
[0023]
(Delete)
[0024]
Suitable for carrying out fry method described above of the present invention, preferred fry device, for example, open one end, and, for stirring by allowed to fall scraped the contents of the fried material A stir-up pot which is a rotary heating pot of a cylindrical container having inner blades, an electromagnetic induction heating device for raising the temperature of the fry pot to a predetermined temperature, and the inner surface temperature of the stir-up pot and the ingredients to be fried An example of a food frying device that includes a temperature control device for controlling the product temperature can be given. The temperature control in this apparatus can be preferably performed by a predetermined program, for example, chef's temperature control using a temperature pattern.
[0025]
Next, these components will be described.
[0026]
The kettle fried is a heating kettle rotary cylindrical container in fried apparatus of the present invention, it can be used at one end of the cylindrical type closed for use in a batch. Of these, in a heating kettle for use in a batch system, the ingredients of a predetermined stir-fried material and the necessary or desired seasoning are added at once or sequentially as necessary, and the heating temperature is set according to need. Stir-fry while changing. (Deleted below)
[0027]
In any case, the stir-fried kettle needs to be able to rotate about the central axis of the cylinder as a rotation axis in order to stir the ingredients of the stir-fried ingredients put inside the stir-fry. The number of rotations in this case is not particularly limited as long as the object of the present invention is achieved. For example, the number of rotations is generally in the range of 5 to 60 rotations per minute. Inside the hook is provided with a scraping blade for scraping and dropping the material by rotation. The shape of the scraping blade can be selected according to the properties of the material.For example, roast roast or onion saute, or in the case of fried vegetables, a strip-shaped strip, and in the case of fried rice or fried noodles that need to be loosened Can choose a shape with a fork-shaped loosening bar.
[0028]
The material of the stir-fry pot is limited to perform electromagnetic induction heating, but in the case of a non-magnetic material such as cast iron, soft iron, mild steel such as mild steel, or aluminum, copper, What is necessary is just to use what embedded the metal which has ferromagnetism, such as iron, in the inside or the outer surface, and bonded together.
[0029]
On the outside of the frying pot, an electromagnetic induction heating coil of an electromagnetic induction heating device for heating the pot is installed at a position appropriately separated from the outer surface of the pot. The number of heating coils Ru can be installed one or a plurality.
[0030]
The inverter that feeds the electromagnetic induction heating coil may be any inverter that can supply the electric power necessary to obtain the target heating temperature. A plurality of coils may be driven by a single inverter, or a coil for each temperature zone. May be driven by a separate inverter. Further, the form and circuit configuration of the inverter transmission circuit are not particularly questioned. (Deleted below)
[0031]
Depending on the stir-fry material and type, for example, if it is necessary to start stir-fry at a low temperature and then gradually increase the temperature of the stir-fry pot, or conversely, start the stir-fry at a high temperature and gradually increase the temperature of the stir-fry pot It may be necessary to lower the value. In order to cope with such a frying operation, particularly in the case of a batch-type stirrer, it is necessary to stir with a heating time and a heating temperature pattern according to the stir-fried material. The temperature control device is provided with a heating temperature pattern according to the frying of each material as control program data, measures the inner surface temperature of the kettle according to the material and the material temperature of the kettle, By controlling the stirring speed, a stable stir-fry can always be obtained. (Deleted below)
[0032]
Specific examples of food fried apparatus of the present invention as described above, for example, a well of the batch indicated the rear掲図1 and 2.
[0033]
Both FIG. 1 and FIG. 2 are conceptual diagrams for explaining the same batch type apparatus together. That is, FIG. 1 shows the inner structure of the hook body in particular, and FIG. 2 shows the stir-up pot as viewed from above at a position where the rotation axis is horizontal so that the support device can be seen. Is.
[0034]
In both figures, the stirrer pot main body (1) of the cylindrical container with one end closed is supported by the bearing of the swinging arm (3) via the rotating shaft (2) provided on the closed end face. (4) is attached in a swingable manner. The rotating shaft (2) is rotationally driven by a variable speed electric motor (5) attached to the arm (3). A scraper blade (6) is attached to the inner surface of the hook body, and an electromagnetic induction heating coil (7) in which a litz wire is wound in a cylindrical shape is held by an arm (3) outside the hook body. The whole hook (1) rotates in this. The high frequency power supplied to the coil (7) and the power supplied to the electric motor (5) are supplied from the control device (8). The control device (8) includes a circuit for controlling the heating temperature and the number of revolutions of the electric motor (5) according to a preset program, and a predetermined electric power for the electromagnetic induction heating coil (7) and the electric motor (5) according to the control. An inverter circuit for supplying is included. A thermocouple (9) is attached to the inner surface of the kettle and a thermocouple (10) for measuring the product temperature is attached to the lifting blade (6) to measure the temperature of the kettle that serves as a guideline for control at this time. Yes. Note that the open end face (open end) of the hook body (1) of the cylindrical container should be partially shielded in such a way as not to interfere with the addition of the stir-fried material and the removal of the fried material. You can also.
[0035]
In order to put the ingredients of the stir-fry material into the stirrer of this batch type apparatus, the open end surface of the main body of the pot can be placed at a position facing upward, and from there. In addition, during the frying operation, it is a matter of course that the end face is directed upward so that the contents of the stir-fried material do not jump outside. The ingredients that have been fried can be taken out from the end face facing downward.
[0036]
(Delete)
[0037]
(Delete)
[0038]
(Delete)
[0039]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples.
[0040]
Example 1 (Fried rice by batch type)
This example was carried out using a batch-type rotary stirrer apparatus as shown in FIGS.
[0041]
That is, heating was performed until the temperature of the kettle reached 320 ° C. by passing an electric current through the electromagnetic induction heating coil while rotating the frying kettle. Next, 50 g of corn salad oil was added as stir-fried oil, and then 100 g of liquid egg, 50 g of chopped green onions and carrots, and 1 kg of white rice were added as ingredients. After the temperature of the material reached 98 ° C., seasonings such as salt and soy sauce were added, and then fried for 3 minutes while adjusting the power supplied to the electromagnetic induction heating coil so as to maintain 98 ° C. After finishing the heating for a predetermined time, the electromagnetic induction heating was stopped, and the fried rice completed by tilting the stirrer down was taken out.
[0042]
The obtained fried rice was a fried rice with a feeling of fluttering, similar to what was cooked using a gas stove and a wok.
[0043]
Example 2 (Loop by batch system)
This example was also performed using a batch-type rotary stirrer similar to that in Example 1.
[0044]
That is, 700 g of unsalted butter was added while heating the stir-fry pot. After the butter was melted, 1 kg of strong wheat flour was added and stirred and heated. In the temperature control, first, in the first 8 minutes, the temperature was gradually raised to 170 ° C. and then fried for 13 minutes while keeping the temperature at 170 ° C. Thereafter, the heating of the kettle was stopped and the finished roux was taken out.
[0045]
The obtained roux was not burnt and was of the same high quality as a handmade prototype in a pot.
[0046]
(Delete)
[0047]
(Delete)
[0048]
(Delete)
[0049]
【The invention's effect】
By using the electromagnetic induction heating stirrer, particularly the stirrer according to the present invention, the pot temperature and product temperature can be controlled in accordance with a preset program. I can do things. Further, in the electromagnetic induction heating method used in the present invention, since only the pot to be heated is heated, the surrounding air is not heated, and the fried food can be performed without deteriorating the working environment. Furthermore, since there is no extra heat loss, the thermal efficiency is high, and the energy cost can be reduced as compared with gas direct fire.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram of an example of a batch-type stirrer according to the present invention (especially the inside of a pot main body).
FIG. 2 is a conceptual diagram of an example of a batch-type frying device according to the present invention (particularly a support structure for a hook body).
[Figure 3] (Deleted)
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Stir-fry pot body 3 Oscillating arm 5 Variable speed electric motor 6 Scooping blade 7 Electromagnetic induction heating coil
(Deleted below)

Claims (3)

端を開いた、かつ、内面に掻き上げ羽根を設けた円筒状容器の炒め釜に炒め材料の食材を保有せしめ、その外部に設置した電磁誘導加熱装置の電磁誘導加熱コイルに通電する高周波電流を用いて該炒め釜を外部から加熱しながら回転して内部に保有した食材を該掻き上げ羽根で掻き上げて落下せしめることにより撹拌しつつ加熱する事を特徴とする食品の炒め方法。Open one end, and allowed to retain food materials fried fried kettle cylindrical container provided with a blade scooping the inner surface, a high-frequency current supplied to the electromagnetic induction heating coil of the electromagnetic induction heating unit installed in the outside A method of frying food, characterized in that the stirrer is rotated while being heated from the outside and the ingredients held inside are swirled with the scraping blades and dropped to stir and heated. 電磁誘導加熱コイルに与える電力を経時的に変化させる制御を行う事を特徴とする請求項1記載食品の炒め方法。 2. The method for frying food according to claim 1, wherein the electric power applied to the electromagnetic induction heating coil is controlled to change over time. 端を開いた、かつ、炒め材料の食材を掻き上げて落下せしめる事により撹拌するための羽根を内面に有する円筒状容器の回転式の炒め釜、炒め釜を所定の温度に昇温するための電磁誘導加熱装置、および炒め釜の表面温度及び食材の品温を制御するための温度制御装置を具備することを特徴とする食品の炒め装置。Open one end, and, rotary fried kettle cylindrical container having a blade for agitating By allowed to fall splashed ingredients fried material on the inner surface, to raise the temperature of the fry pot to a predetermined temperature A food frying device comprising: an electromagnetic induction heating device; and a temperature control device for controlling the surface temperature of the frying kettle and the product temperature of the foodstuff.
JP31131098A 1998-10-30 1998-10-30 Method and apparatus for frying food Expired - Fee Related JP3814817B2 (en)

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