JP2011512130A - イノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩を含有する酵母抽出物及びその調製方法 - Google Patents
イノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩を含有する酵母抽出物及びその調製方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/06—Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
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- 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
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/23—Synthetic spices, flavouring agents or condiments containing nucleotides
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- 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
- A23L31/00—Edible extracts or preparations of fungi; Preparation or treatment thereof
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- A23L31/00—Edible extracts or preparations of fungi; Preparation or treatment thereof
- A23L31/10—Yeasts or derivatives thereof
- A23L31/15—Extracts
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- 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
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/14—Yeasts or derivatives thereof
- A23L33/145—Extracts
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Abstract
【解決手段】
本発明は、4〜30%のイノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩(I+G)を含有する酵母抽出物の調製方法に関し、中には、a) リボ核酸の含有量が8wt%又はもっと多くの酵母ミルクを提供し、b)前記酵母ミルク中の酵母を殺し、c) 前記酵母ミルクを遠心分離して上清液が得られ、d) 上清液の中に酵素を入れて、酵素分解を行い、e) 酵素分解済みの上清液を熱処理して、活性を喪失させ、f) 活性喪失済みの上清液を濃縮乾燥して、含有量が4〜30%のイノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩の酵母抽出物が得られるステップが含まれる。
【選択図】図1
Description
a) リボ核酸の含有量が8wt%又はもっと多くのパン酵母や、発酵済みビール酵母、及びトルラ酵母などから選ばれる少なくとも1種のグループ酵母によって調製された酵母ミルクを提供し、
b) 40〜95℃の温度にて、酵母ミルク中の酵母を殺し、
c) 酵母殺し済みの酵母ミルクを遠心分離して上清液が得られ、
d) 上清液の中にプロテイナーゼや、ヌクレアーゼ、トランスアミナーゼなどを入れて、pH値4.0〜6.8、35〜80℃の下で、12〜25時間反応させて、酵素分解を行い、
e) 酵素分解済みの上清液を50〜70分間経ってから、75〜90℃にて熱処理して、活性を喪失させ、
f) 活性喪失済みの上清液を35〜40wt%にまで濃縮させることによって、得られる乾物質を噴霧乾燥して、イノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩の含有量が比較的高い酵母抽出物が得られ、最終的に抽出物中のイノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩の含有量は4〜30%となる、
などのステップを含み、4〜30%のI+G(イノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩)を含有する酵母抽出物調製方法が提供される。
b)40〜95℃の下で、酵母ミルク中の酵母を殺す。
c)酵母を殺した酵母ミルクを遠心分離して、上清液が得られる。
d)上清液の中に0.1〜0.3wt%の1:1:1のプロテイナーゼや、ヌクレアーゼ、トランスアミナーゼなどを入れて、pH値4.0〜6.8、35〜80℃の下で、12〜25時間反応させて、酵素分解を行う。
e)酵素分解済みの上清液を、75〜90℃にて熱処理して、活性を喪失させ、遠心分離を行う。
f)活性喪失済みの上清液を濃縮させることによって、得られる乾物質を噴霧乾燥して、イノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩の含有量が比較的高い酵母抽出物が得られ、酵母抽出物中のイノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩の総含有量は4〜30%となる。
Claims (8)
- 酵母抽出物の調製方法において、
a) リボ核酸の含有量が8wt%又はもっと多くのパン酵母や、発酵済みビール酵母、及びトルラ酵母などから選ばれる少なくとも1種のグループ酵母によって調製された酵母ミルクを提供し、
b) 40〜95℃の温度にて、酵母ミルク中の酵母を殺し、
c) 酵母殺し済みの酵母ミルクを遠心分離して上清液が得られ、
d) 上清液の中にプロテイナーゼや、ヌクレアーゼ、トランスアミナーゼなどを入れて、pH値4.0〜6.8、35〜80℃の下で、12〜25時間反応させて、酵素分解を行い、
e) 酵素分解済みの上清液を50〜70分間経ってから、75〜90℃にて熱処理して、活性を喪失させ、
f) 活性喪失済みの上清液を35〜40wt%にまで濃縮させることによって、得られる乾物質を噴霧乾燥して、含有量が4〜30%のイノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩の酵母抽出物が得られる、
などのステップを含む、イノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩を含有する酵母抽出物の調製方法。 - 請求項1に記載の方法において、前記ステップ(d)に添加される酵素は45〜68℃の下で役割を果たせることを特徴とする調製方法。
- 請求項1又は2に記載の方法において、前記ステップ(d)に添加される酵素の比例は1:1:1であることを特徴とする調製方法。
- 請求項1又は2に記載の方法において、前記ステップ(d)に添加される酵素は、重量と計算して上清液中の乾物質の0.1〜0.3%を占めることを特徴とする調製方法。
- 請求項1に記載の方法において、前記ステップ(d)の中で、pH値は4.5〜6.8の範囲にコントロールすることを特徴とする調製方法。
- 請求項1に記載の方法において、前記ステップ(d)の中で、作用時間は16〜20時間にコントロールすることを特徴とする調製方法。
- 前記請求項1〜6の任意1項の方法によって得られるイノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩を含有する酵母抽出物。
- 請求項7に記載の酵素抽出物において、4%〜30%のイノシン酸二ナトリウム塩とグアニル酸二ナトリウム塩が含まれる酵素抽出物。
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CN200810007940.8 | 2008-02-19 | ||
PCT/CN2008/072153 WO2009103205A1 (zh) | 2008-02-19 | 2008-08-26 | 含有肌苷酸二钠盐和鸟苷酸二钠盐的酵母抽提物及其制备方法 |
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EP2255679A4 (en) | 2011-04-06 |
KR20100116625A (ko) | 2010-11-01 |
EP2255679A1 (en) | 2010-12-01 |
EP2255679B1 (en) | 2016-10-19 |
KR101295970B1 (ko) | 2013-08-13 |
US20100303960A1 (en) | 2010-12-02 |
RU2010137648A (ru) | 2012-03-20 |
WO2009103205A1 (zh) | 2009-08-27 |
CN101513248B (zh) | 2013-05-15 |
JP5175941B2 (ja) | 2013-04-03 |
RU2456347C2 (ru) | 2012-07-20 |
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