JP2003292810A - Coloring matter composition - Google Patents
Coloring matter compositionInfo
- Publication number
- JP2003292810A JP2003292810A JP2002095874A JP2002095874A JP2003292810A JP 2003292810 A JP2003292810 A JP 2003292810A JP 2002095874 A JP2002095874 A JP 2002095874A JP 2002095874 A JP2002095874 A JP 2002095874A JP 2003292810 A JP2003292810 A JP 2003292810A
- Authority
- JP
- Japan
- Prior art keywords
- organic acid
- blue
- butterfly
- coloring matter
- dye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B61/00—Dyes of natural origin prepared from natural sources, e.g. vegetable sources
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/42—Addition of dyes or pigments, e.g. in combination with optical brighteners
- A23L5/43—Addition of dyes or pigments, e.g. in combination with optical brighteners using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、天然系青色着色剤
などに使用できる青色色素組成物に関する。本発明の青
色色素組成物は、従来の動物または植物から得られる青
色色素組成物より耐熱性、耐光性、ｐＨ安定性などに優
れている。TECHNICAL FIELD The present invention relates to a blue dye composition which can be used as a natural blue colorant or the like. The blue dye composition of the present invention is superior in heat resistance, light resistance, pH stability and the like to conventional blue dye compositions obtained from animals or plants.
【０００２】[0002]
【従来の技術】天然系青色色素としては、アントシアニ
ン系色素が使用され、植物花弁あるいは果実から抽出さ
れ製剤化されている。植物中では配糖体、さらに各種有
機酸でアシル化された状態や他の生体成分との複合体と
して存在することが多く、アグリコン部分であるアント
シアニジンの種類、結合糖ならびに有機酸の種類など、
さらにそれらの数によって数多くの化学構造が存在して
いる。発色団は基本骨格のアントシアニジンであり、フ
ラビニウムカチオンを母格として結合する水酸基メトキ
シ基の数、位置によってシアニジン、ペオニジン、マル
ビジン、ペラルゴニジン、デルフィニジンならびにペチ
ュニジンなどに分類される。化学構造上大きな違いが無
いにもかかわらず多種多様な色調を示す興味深い色素で
ある。アントシアニン系色素の最大の特徴は、ｐＨの変
動によって色調ならびに安定性が大きく変化することで
ある。即ち、強酸性溶液中では単一のフラビニウムイオ
ン型をとり、赤色を呈する。中性溶液中ではアンヒドロ
塩基となり紫色を呈する。塩基性溶液中では、アンヒド
ロ塩基アニオンとなり、青色を呈する。弱酸性から中性
付近の領域では生成するアンヒドロ塩基が水和され易
く、無色のプソイド塩基となり速やかに退色する。この
ようにアントシアニン系色素はｐＨ指示薬様の挙動を示
す。このような特徴から、酸性食品への着色に利用され
てきた。一方、その優れた色調にもかかわらず、光、
熱、酸素などに対して不安定であるがために、食品への
応用範囲が限定されている。例えば、ＵＶ殺菌、加熱殺
菌処理などが必要な食品、店頭で自然光に長時間さらさ
れる食品、消費者が加熱処理を施す食品などへの利用で
ある。この安定性の問題が解決できればその応用範囲も
広がることになる。2. Description of the Related Art Anthocyanin pigments are used as natural blue pigments, which are extracted from plant petals or fruits and formulated. In plants, they often exist as glycosides, in a state of being acylated with various organic acids or as a complex with other biological components, such as the types of anthocyanidins that are aglycone moieties, the types of bound sugars and organic acids, etc.
Moreover, there are numerous chemical structures depending on their number. The chromophore is an anthocyanidin having a basic skeleton, and is classified into cyanidin, peonidin, malvidin, pelargonidin, delphinidin, petunidin and the like depending on the number and position of the hydroxyl group methoxy group to which the flavinium cation is bonded as a matrix. It is an interesting pigment that shows a wide variety of color tones, although there is no significant difference in chemical structure. The most important feature of the anthocyanin dye is that the color tone and the stability greatly change depending on the change of pH. That is, it takes a single flavinium ion type in a strongly acidic solution and exhibits a red color. It turns into anhydro base in a neutral solution and turns purple. In a basic solution, it becomes an anhydro-base anion and exhibits a blue color. In the weakly acidic to near neutral region, the anhydro base formed is easily hydrated, becoming a colorless pseudo base and fading rapidly. As described above, the anthocyanin-based dye behaves like a pH indicator. Due to such characteristics, it has been used for coloring acidic foods. On the other hand, despite its excellent tones, light,
Since it is unstable with respect to heat and oxygen, its range of application to food is limited. For example, it is used for foods that require UV sterilization, heat sterilization, etc., foods that are exposed to natural light for a long time at stores, and foods that are heat-treated by consumers. If this stability problem can be solved, its application range will be expanded.
【０００３】今までに、アントシアニン系色素の安定性
について数多くの報告があり、これらには溶液のｐＨは
無論のこと、分子間コピグメンテーション、分子内コピ
グメンテーション、金属錯体などが含まれる。しかし、
安定性の条件が限定されるために、結局、利用方面が限
定されることになり、根本的な問題解決になっていない
のが現状である。最近になって、蝶豆の花弁中に含有さ
れる色素に関する特許（特開平０３−２２３２９８号公
報）が出願され、従来のアントシアニン系色素を低安定
性アントシアニン色素として分類され、蝶豆色素は高安
定性アントシアニン色素として分類されている。To date, there have been numerous reports on the stability of anthocyanin dyes, which include, of course, solution pH, intermolecular copigmentation, intramolecular copigmentation, metal complexes, and the like. But,
Since the stability condition is limited, the usage direction is limited in the end, and the fundamental problem is not solved. Recently, a patent for a pigment contained in petals of butterfly soybean (Japanese Patent Application Laid-Open No. 03-223298) was filed, and conventional anthocyanin pigments were classified as low stability anthocyanin pigments. It is classified as a stable anthocyanin dye.
【０００４】蝶豆は東南アジア原産のマメ科の植物で、
主に観賞用に供されている。一方、その花の青色色素
は、鮮やかで安定なため、現地では伝統的に米や菓子の
着色に利用されてきた。この色素中のアントシアニン成
分の化学構造が決定され、極めて安定であることが指摘
され、弱酸性水溶液中での耐熱性、耐光性、および各種
添加物に対する安定性が検討されている。しかし、弱酸
性水溶液中での安定性向上は認められるものの、耐熱
性、耐光性、および各種添加物の共存条件において、従
来のアントシアニン系色素と比較して安定性向上が認め
られないのが現状である。Butterfly beans are legumes native to Southeast Asia.
It is mainly used for ornamental purposes. On the other hand, the blue pigment of the flower is vivid and stable, so it has traditionally been used locally for coloring rice and confectionery. The chemical structure of the anthocyanin component in this dye has been determined, it has been pointed out that it is extremely stable, and heat resistance, light resistance, and stability to various additives in weakly acidic aqueous solutions have been investigated. However, although the improvement in stability in weakly acidic aqueous solution is observed, in the heat resistance, light resistance, and coexistence conditions of various additives, the present situation is that stability improvement is not recognized as compared with conventional anthocyanin dyes. Is.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、耐光性、耐
熱性、ｐＨ安定性に優れた天然系青色色素組成物を提供
することを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a natural blue dye composition which is excellent in light resistance, heat resistance and pH stability.
【０００６】[0006]
【課題を解決するための手段】発明者らは、蝶豆花弁、
蝶豆抽出液もしくは蝶豆色素粉末と、芳香族有機酸もし
くは脂肪族有機酸残基を含む化合物とを混合してなる青
色色素組成物が、従来の動物または植物から得られる青
色色素組成物より耐熱性、耐光性、ｐＨ安定性などに優
れ、天然系青色着色剤として有用であることを見出し
た。The inventors of the present invention have found that soybean petals,
A butterfly pigment extract or butterfly pigment powder, and a blue pigment composition obtained by mixing a compound containing an aromatic organic acid or an aliphatic organic acid residue is more than a blue pigment composition obtained from a conventional animal or plant. They have found that they are excellent in heat resistance, light resistance, pH stability, etc. and are useful as natural blue colorants.
【０００７】すなわち、本発明は、蝶豆花弁、蝶豆抽出
液もしくは蝶豆色素粉末と、芳香族有機酸もしくは脂肪
族有機酸残基を含む化合物とを混合してなる青色色素組
成物に関する。That is, the present invention relates to a blue pigment composition obtained by mixing butterfly soybean petals, butterfly soybean extract or butterfly soybean pigment powder with a compound containing an aromatic organic acid or an aliphatic organic acid residue.
【０００８】また、本発明は、芳香族有機酸もしくは脂
肪族有機酸残基を含む化合物が、食品添加物である上記
青色色素組成物に関する。The present invention also relates to the above blue dye composition, wherein the compound containing an aromatic organic acid or aliphatic organic acid residue is a food additive.
【０００９】[0009]
【発明の実施の形態】本発明の色素組成物が青色に見え
るのは青色色素を含有するためであり、当該青色色素と
して蝶豆に含まれる蝶豆色素を用いる。蝶豆色素は、蝶
豆花弁、蝶豆抽出液、蝶豆色素粉末に含まれており、そ
れをそのまま、もしくは、粉砕などの加工をして用い
る。本発明で使用される蝶豆花弁は、生花花弁、乾燥花
弁及びそれらの粉砕物が使用できる。BEST MODE FOR CARRYING OUT THE INVENTION The dye composition of the present invention looks blue because it contains a blue dye, and the soybean dye contained in butterfly beans is used as the blue dye. Butterfly pea pigment is contained in butterfly pea petals, butterfly pea extract, and butterfly pea pigment powder, and it is used as it is or after being crushed and processed. As the soybean petals used in the present invention, fresh flower petals, dried petals and pulverized products thereof can be used.
【００１０】本発明で使用される蝶豆抽出液は、上記蝶
豆花弁から水、有機溶剤、それらの混合溶媒で抽出され
た青色溶液が使用できる。有機溶剤は、色素が抽出でき
ればよいが、エタノール、アセトン、ヘキサンなどの食
用色素抽出溶媒として認可されている溶媒が好ましい。As the butterfly extract used in the present invention, a blue solution extracted from the petals of butterfly soybean with water, an organic solvent or a mixed solvent thereof can be used. The organic solvent only needs to be able to extract the dye, but is preferably a solvent approved as an edible dye extracting solvent, such as ethanol, acetone, or hexane.
【００１１】さらに、蝶豆抽出液の溶媒を除去した色素
粉末も使用できる。Further, a pigment powder obtained by removing the solvent of the butterfly bean extract can also be used.
【００１２】本発明に使用される脂肪族有機酸残基を含
む化合物は、クマル酸、カフェ酸、フェルラ酸、ヒドロ
キシ安息香酸、桂皮酸、糖変性酸などの芳香族有機酸、
あるいは、マロン酸、マレイン酸、無水マレイン酸、フ
タル酸、アクリル酸、クロトン酸、メタクリル酸、コハ
ク酸、酢酸、アルギン酸、グリコール酸、乳酸、リンゴ
酸、酒石酸、クエン酸などの脂肪族有機酸、Compounds containing an aliphatic organic acid residue used in the present invention include aromatic organic acids such as coumaric acid, caffeic acid, ferulic acid, hydroxybenzoic acid, cinnamic acid and sugar-modified acids,
Alternatively, malonic acid, maleic acid, maleic anhydride, phthalic acid, acrylic acid, crotonic acid, methacrylic acid, succinic acid, acetic acid, alginic acid, glycolic acid, lactic acid, malic acid, tartaric acid, an aliphatic organic acid such as citric acid,
【００１３】からなる有機酸またはその誘導体（塩、無
水物、エステル、アミド、イミドなど）を原料として少
なくとも１種類使用している化合物であれば良く、前記
有機酸そのものでもよいし、前記有機酸の誘導体でもよ
いし、さらに、これらを原料として製造できる、油脂、
アクリル樹脂、エステル樹脂、エポキシ樹脂、フェノー
ル樹脂、ウレタン樹脂などが挙げられるが、これらに限
定されるものではない。更に、上記合成樹脂だけでなく
天然樹脂あるいは天然変性樹脂も使用できる。例えば、
アルギン酸プロピレングリコールエステル、アセチルリ
シノール酸メチル、エステルガム、カルボキシメチルセ
ルロースカルシウム、カルボキシメチルセルロースナト
リウム、グリセリン脂肪酸エステル、ショ糖脂肪酸エス
テル、ステアロイル乳酸カルシウム、ソルビタン脂肪酸
エステル、デンプングリコール酸エステルナトリウム、
ポリアクリル酸ナトリウム、ポリイソブチレン、ポリブ
テン、プロピレングリコール脂肪酸エステル、メチルセ
ルロースなどが挙げられるが、これらに限定されるもの
ではない。Any compound may be used as long as it is a compound using at least one kind of organic acid consisting of an organic acid or its derivative (salt, anhydride, ester, amide, imide, etc.) as a raw material, or the organic acid itself or the organic acid. May be a derivative of, and further, oils and fats that can be produced from these as raw materials
Examples thereof include acrylic resin, ester resin, epoxy resin, phenol resin, urethane resin and the like, but are not limited thereto. Further, not only the synthetic resin but also a natural resin or a natural modified resin can be used. For example,
Alginic acid propylene glycol ester, methyl acetylricinoleate, ester gum, carboxymethylcellulose calcium, sodium carboxymethylcellulose, glycerin fatty acid ester, sucrose fatty acid ester, calcium stearoyl lactylate, sorbitan fatty acid ester, sodium starch glycolate ester,
Examples thereof include sodium polyacrylate, polyisobutylene, polybutene, propylene glycol fatty acid ester, and methyl cellulose, but are not limited thereto.
【００１４】使用する有機酸残基を含む化合物は１種類
に限定されるものではなく、複数で組み合わせて使用す
ることもできる。The compound containing an organic acid residue to be used is not limited to one type, and a plurality of compounds may be used in combination.
【００１５】本発明で使用される蝶豆色素量は、色価
（Ｅ１０％）で１から５０００の範囲になるように調整
することができる。好ましくは、１から２０００、より
好ましくは１から１０００で調整することができる。The amount of butterfly bean pigment used in the present invention can be adjusted so that the color value (E10%) is in the range of 1 to 5000. It can be adjusted preferably from 1 to 2000, more preferably from 1 to 1000.
【００１６】本発明で使用される有機酸残基を含む化合
物量は、最終青色色素組成物全体に対して、０．０１か
ら９９．９９重量％において適宜調整すればよい。すな
わち、青色色素組成物は蝶豆色素の含有量においてその
価値が発生するからである。有機酸残基を含む化合物
は、安定化助剤であり、多く添加しても青色色素の安定
性に悪影響を与えない限りにおいて添加することができ
る。The amount of the compound containing an organic acid residue used in the present invention may be appropriately adjusted to 0.01 to 99.99% by weight based on the entire final blue dye composition. That is, the blue pigment composition has its value depending on the content of the soybean pigment. The compound containing an organic acid residue is a stabilizing aid and can be added as long as it does not adversely affect the stability of the blue dye even if added in large amounts.
【００１７】本発明において使用される有機酸残基を含
む化合物は、水または有機溶媒または水と有機溶媒との
混合溶媒に適宜添加して使用される。有機溶媒は、蝶豆
花弁から得られる青色色素の安定性を阻害しない限り特
に限定はない。The compound containing an organic acid residue used in the present invention is used by appropriately adding it to water or an organic solvent or a mixed solvent of water and an organic solvent. The organic solvent is not particularly limited as long as it does not impair the stability of the blue pigment obtained from butterfly petals.
【００１８】本発明で用いられる有機溶媒としては、エ
タノールなどのアルコール、トルエンなどの芳香族化合
物、ベンジン、アセトンなどの非芳香族化合物などが挙
げられる。好ましくは、エタノール、ヘキサン、アセト
ンなどの食品色素抽出溶媒として認可されているものを
使用するのが良い。また、用途によっては固体としてそ
のまま使用しても良い。Examples of the organic solvent used in the present invention include alcohols such as ethanol, aromatic compounds such as toluene, non-aromatic compounds such as benzine and acetone. It is preferable to use one approved as a food dye extraction solvent such as ethanol, hexane, or acetone. In addition, depending on the application, it may be used as a solid as it is.
【００１９】本発明において、蝶豆花弁、蝶豆抽出液も
しくは蝶豆色素粉末と、芳香族有機酸もしくは脂肪族有
機酸残基を含む化合物との配合は、常法の攪拌、震盪な
どで行われる。また、その配合比も、特に限定はなく、
利用目的に応じて蝶豆色素の色価（Ｅ１０％）が発現す
る範囲内で、生産性や製造コストなどを鑑みて決定され
る。In the present invention, the mixture of the soybean petals, the soybean extract or the soybean pigment powder and the compound containing an aromatic organic acid or an aliphatic organic acid residue is prepared by a conventional method such as stirring and shaking. Be seen. Also, the mixing ratio is not particularly limited,
It is determined in consideration of productivity, manufacturing cost and the like within a range in which the color value (E10%) of butterfly soybean pigment is exhibited according to the purpose of use.
【００２０】本発明で得られた青色色素組成物は、食品
用、医薬用、化粧品用、トイレタリア材料用、衣類用な
ど多様な用途の着色剤として利用可能である。The blue dye composition obtained by the present invention can be used as a coloring agent for various purposes such as food, medicine, cosmetics, toiletry materials, and clothes.
【００２１】本発明の青色色素組成物には顔料、染料、
樹脂、可塑剤、無機塩類、酸化防止剤、保存剤、防かび
剤、膨張剤、着香料、甘味料、酸味料、調味料、強化
剤、光沢剤、ガムベース、乳化剤、油脂などを適宜添加
することも可能である。The blue dye composition of the present invention contains a pigment, a dye,
Resins, plasticizers, inorganic salts, antioxidants, preservatives, fungicides, swelling agents, flavoring agents, sweeteners, acidulants, seasonings, tougheners, brighteners, gum bases, emulsifiers, fats and oils are added as appropriate. It is also possible.
【００２２】[0022]
【実施例】次に本発明を実施例によりさらに詳しく説明
するが本発明はこれに限定されるものではない。EXAMPLES The present invention will now be described in more detail by way of examples, which should not be construed as limiting the invention thereto.
【００２３】色素の調整方法
蝶豆乾燥花弁１００ｇに水５００ｍｌを加え、２４時間
攪拌しながら青色色素を抽出した。抽出液をろ過した
後、減圧濃縮して色価（Ｅ１０％）２００に調整したと
ころ濃青色溶液（Ａ液）が９５ｍｌ得られた。Ａ液２０
ｇにグリセリン脂肪酸エステル５ｇとエステルガム５ｇ
を添加し攪拌混合した。さらに、５０％エタノールを１
０ｇ添加して色価１００の青色色素組成物４０ｇを得
た。この青色色素組成物は、本発明で得られたものであ
り、これと以下に示す従来の青色色素との物性比較を行
った。Method for adjusting pigment: To 100 g of dried petals of butterflies, 500 ml of water was added, and a blue pigment was extracted while stirring for 24 hours. The extract was filtered and then concentrated under reduced pressure to adjust the color value (E10%) to 200 to obtain 95 ml of a dark blue solution (solution A). A liquid 20
5 g of glycerin fatty acid ester and 5 g of ester gum
Was added and mixed with stirring. Further, add 50% ethanol to 1
0 g was added to obtain 40 g of a blue dye composition having a color number of 100. This blue dye composition was obtained in the present invention, and the physical properties of this blue dye composition were compared with the following conventional blue dyes.
【００２４】（比較色素１）蝶豆乾燥花弁から水抽出に
よって得られたＡ液２０ｇに水２０ｇを添加して色価１
００の青色色素組成物４０ｇを得た。(Comparative Dye 1) 20 g of water was added to 20 g of solution A obtained by water extraction from dried petals of butterfly soybeans to give a color value of 1
40 g of a blue dye composition of No. 00 was obtained.
【００２５】（比較色素２）コーン色素（和光、食品添
加物試験用）に水を添加し色価１００に調整した。(Comparative Dye 2) Water was added to corn dye (Wako, for food additive test) to adjust the color value to 100.
【００２６】（比較色素３）赤色２号（東京化成、食品
添加物用）に水を添加し色価１００に調整した。これら
の４種類の色価１００に調整した色素液を用いて、以下
の物性比較実験を行った。(Comparative Dye 3) Water was added to Red No. 2 (Tokyo Kasei, for food additives) to adjust the color value to 100. The following physical property comparison experiments were carried out using these four types of dye solutions adjusted to a color number of 100.
【００２７】各色素は、最大吸収波長での吸光度が１．
０から１．２になるように最終調整をおこなって同一条
件下で比較検討した。Each dye has an absorbance of 1. at the maximum absorption wavelength.
Final adjustment was performed so that the value was 0 to 1.2, and comparative examinations were performed under the same conditions.
【００２８】実施例１
熱安定性及びｐＨ安定性試験
各色素のｐＨ３．０から６．０の試験液を作成後、２０
ｍｌバイアルビンに詰め、暗所で３０、６０、９０℃の
各温度で５０日間加熱した。加熱前の可視部最大吸収波
長での吸光度を１００％として、各測定値を色素の相対
残存率として比較した。Example 1 Thermal Stability and pH Stability Test After preparing a test solution of each dye having a pH of 3.0 to 6.0, 20
It was packed in a ml vial and heated in the dark at temperatures of 30, 60 and 90 ° C. for 50 days. The absorbance at the maximum absorption wavelength in the visible region before heating was set to 100%, and each measured value was compared as the relative residual rate of the dye.
【００２９】結果を表１に示した。表記シンボルは０〜
２５％を×、２５〜５０％を△、５０〜７５％を○、７
５〜１００％を◎で示している。明らかに本発明青色色
素組成物の優位性が確認され、合成着色料である赤色２
号と同等の結果が得られた。ｐＨによって安定性に影響
ないことも判った。The results are shown in Table 1. Notation symbols are 0
25% x, 25 to 50% ∆, 50 to 75% ◯, 7
5 to 100% is indicated by ⊚. Clearly, the superiority of the blue dye composition of the present invention has been confirmed, and red 2 which is a synthetic colorant has been confirmed.
The result is similar to that of issue No. It was also found that pH did not affect stability.
【００３０】[0030]
【表１】 [Table 1]
【００３１】実施例２
光安定性試験
１）蛍光灯照射試験
３０℃恒温の密閉された箱の中に試験液の入った２０ｍ
ｌバイアルビンを設置し、蛍光灯の光（６０００ルク
ス）で５０日間照射した後、各色素の残存率を求めた。
結果を表２に示した。表記シンボルは０〜２５％を×、
２５〜５０％を△、５０〜７５％を○、７５〜１００％
を◎で示している。明らかに本発明青色色素組成物の優
位性が確認され、合成着色料である赤色２号よりも優れ
ていることが判った。Example 2 Light stability test 1) Fluorescent lamp irradiation test 20 m containing the test solution in a sealed box kept at 30 ° C.
After setting up a 1-vial bottle and irradiating it with the light of a fluorescent lamp (6000 lux) for 50 days, the residual rate of each dye was determined.
The results are shown in Table 2. Notation symbols are 0-25% x,
25-50% △, 50-75% ○, 75-100%
Is indicated by ⊚. Apparently, the superiority of the blue dye composition of the present invention was confirmed, and it was found that it was superior to the synthetic colorant Red No. 2.
【００３２】２）直射日光照射試験
試験液の入った２０ｍｌバイアルビンを直射日光の当る
屋外（気温３２℃）に５時間倒して置いた後、各色素の
残存率を求めた。2) Direct Sunlight Irradiation Test A 20 ml vial containing the test solution was placed in the open under direct sunlight (at a temperature of 32 ° C.) for 5 hours, and the residual rate of each dye was determined.
【００３３】結果を表２に示した。表記シンボルは０〜
２５％を×、２５〜５０％を△、５０〜７５％を○、７
５〜１００％を◎で示している。明らかに本発明青色色
素組成物の優位性が確認され、合成着色料である赤色２
号よりもはるかに優れることが判った。ｐＨによって影
響を受けないことも判った。The results are shown in Table 2. Notation symbols are 0
25% x, 25 to 50% ∆, 50 to 75% ◯, 7
5 to 100% is indicated by ⊚. Clearly, the superiority of the blue dye composition of the present invention has been confirmed, and red 2 which is a synthetic colorant has been confirmed.
It turned out to be much better than the issue. It was also found to be unaffected by pH.
【００３４】[0034]
【表２】 [Table 2]
【００３５】[0035]
【発明の効果】本発明により、耐熱性、耐光性、ｐＨ安
定性に優れた天然系青色色素組成物を得ることができ
た。従来の、アントシアニン系青色色素は、特異な物性
の為、その利用用途が限定され場合によっては、合成着
色料を使用しなければならなかったが、本発明により、
安定性に富み、しかも安全な天然系青色着色料を提供す
ることができた。According to the present invention, a natural blue dye composition having excellent heat resistance, light resistance and pH stability can be obtained. Conventional, anthocyanin blue dye, because of its unique physical properties, the use is limited in some cases, it was necessary to use a synthetic colorant, according to the present invention,
It was possible to provide a natural blue colorant that is highly stable and safe.
Claims (2)
粉末と、芳香族有機酸もしくは脂肪族有機酸残基を含む
化合物とを混合してなる青色色素組成物。1. A blue pigment composition obtained by mixing butterfly soybean petal, butterfly soybean extract or butterfly soybean pigment powder and a compound containing an aromatic organic acid or an aliphatic organic acid residue.
を含む化合物が、食品添加物である請求項１に記載の青
色色素組成物。2. The blue dye composition according to claim 1, wherein the compound containing an aromatic organic acid or aliphatic organic acid residue is a food additive.
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|---|---|---|---|
| JP2002095874A JP2003292810A (en) | 2002-03-29 | 2002-03-29 | Coloring matter composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002095874A JP2003292810A (en) | 2002-03-29 | 2002-03-29 | Coloring matter composition |
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| Publication Number | Publication Date |
|---|---|
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ID=29239176
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005264145A (en) * | 2004-02-16 | 2005-09-29 | Riken Vitamin Co Ltd | Anthocyanin coloring matter with improved heat resistance |
| JP2007016003A (en) * | 2005-07-11 | 2007-01-25 | Toyo Ink Mfg Co Ltd | Antioxidant |
| JP2007211053A (en) * | 2006-02-07 | 2007-08-23 | Miyagi Prefecture | Blue dye, blue collagen or gelatin and method for producing those |
| JP2007217583A (en) * | 2006-02-17 | 2007-08-30 | Toyo Ink Mfg Co Ltd | Method for producing clitoria terunatea l. flower extract and clitoria terunatea l. flower extract |
| CN116462987A (en) * | 2023-04-27 | 2023-07-21 | 陕西全奥之星生物科技有限公司 | Preparation method of acid-stable butterfly bean flower blue pigment |
-
2002
- 2002-03-29 JP JP2002095874A patent/JP2003292810A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005264145A (en) * | 2004-02-16 | 2005-09-29 | Riken Vitamin Co Ltd | Anthocyanin coloring matter with improved heat resistance |
| JP4563186B2 (en) * | 2004-02-16 | 2010-10-13 | 理研ビタミン株式会社 | Anthocyanin dyes with improved heat resistance |
| JP2007016003A (en) * | 2005-07-11 | 2007-01-25 | Toyo Ink Mfg Co Ltd | Antioxidant |
| JP2007211053A (en) * | 2006-02-07 | 2007-08-23 | Miyagi Prefecture | Blue dye, blue collagen or gelatin and method for producing those |
| JP2007217583A (en) * | 2006-02-17 | 2007-08-30 | Toyo Ink Mfg Co Ltd | Method for producing clitoria terunatea l. flower extract and clitoria terunatea l. flower extract |
| CN116462987A (en) * | 2023-04-27 | 2023-07-21 | 陕西全奥之星生物科技有限公司 | Preparation method of acid-stable butterfly bean flower blue pigment |
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