WO2003055333A1 - Procede de production d'un extrait de levure riche en acides nucleiques et extrait de levure riche en acides nucleiques - Google Patents
Procede de production d'un extrait de levure riche en acides nucleiques et extrait de levure riche en acides nucleiques Download PDFInfo
- Publication number
- WO2003055333A1 WO2003055333A1 PCT/JP2002/013715 JP0213715W WO03055333A1 WO 2003055333 A1 WO2003055333 A1 WO 2003055333A1 JP 0213715 W JP0213715 W JP 0213715W WO 03055333 A1 WO03055333 A1 WO 03055333A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- yeast
- nucleic acid
- yeast extract
- producing
- cell suspension
- Prior art date
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Classifications
-
- 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
-
- 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
Definitions
- the present invention relates to a method for producing a yeast extract with a high nucleic acid content and a yeast extract with a high nucleic acid content.
- Yeast extract as a natural seasoning, has a complex taste that is not found in chemical seasonings, such as meat extract, vegetable extract, seafood extract, etc.
- chemical seasonings such as meat extract, vegetable extract, seafood extract, etc.
- Amino acids, peptides, nucleic acids such as 5'-nucleotides, carbohydrates, organic acids, etc. are known as taste components of yeast extract, but as a seasoning, the nucleic acid content is particularly high. It becomes important.
- Such a nucleic acid is used not only as a raw material for umami seasonings such as 5'-inosinic acid (IMP) and 5'-guanylic acid (GMP) but also as a raw material for pharmaceuticals.
- IMP 5'-inosinic acid
- GMP 5'-guanylic acid
- yeast cells have been taken to increase the nucleic acid content in yeast cells.
- a yeast strain of the species Candida is mutated to isolate a KC1-susceptible strain and to isolate the strain in solid matter (dried cells). It is said that yeast cells containing 2% or more ribonucleic acid were produced.
- yeast cells containing 2% or more ribonucleic acid were produced.
- low-temperature-sensitive mutants were isolated from Candida pectilis to obtain yeast cells containing 20% or more ribonucleic acid in a solid substance. ing.
- beer yeast used for beer brewing is washed after beer production, and the heat-dried cells are used for producing health foods and yeast extract, and are widely recognized for safety.
- the yeast cells recovered after beer production contain only about 4 to 6% of ribonucleic acid in the solid matter, which is insufficient as a raw material for commercially extracting ribonucleic acid. It has been said that there is. Therefore, an increase in ribonucleic acid content has been studied so far, mainly in Candida spp. Yeast than in Saccharomyces spp., Including baker's yeast.
- a method of extracting a yeast extract after heating to 80 to 100 ° C. is disclosed.
- yeasts having a high nucleic acid content in yeast cells can be obtained, it is not always easy to extract nucleic acids from the yeast cells with high efficiency, and it is rich in nucleic acids. There was a need for a method of producing yeast yeast. Further, even if the yeast extract was extracted by the method described in Japanese Patent Application Laid-Open No. 62-215595, the content of the tasty nucleic acid in the yeast extract was not always sufficient.
- the present invention has been made in view of the above-mentioned problems of the related art, and has as its object to provide a method for efficiently producing a yeast extract having a high nucleic acid content from yeast cells.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, when extracting the yeast extract from the yeast cell suspension by the enzyme addition method, the pH of the yeast cell suspension was previously measured in the medium. Heat treatment or heat treatment Thus, the present inventors have found that it is possible to obtain a yeast extract having a high nucleic acid content, thereby completing the present invention.
- the method for producing a high nucleic acid-containing yeast extract of the present invention comprises:
- the yeast cell suspension heat-treated to the predetermined temperature is further held at the predetermined temperature for a predetermined time (preferably 1 to 3 hours). Is preferred.
- the pH at the time of the heat treatment is preferably pH in the range of 6.5 to 11.0.
- the predetermined temperature during the heat treatment is a temperature in the range of 70 to 95 ° C.
- a high ribonucleic acid-containing yeast containing 10% by weight or more ribonucleic acid per cell weight can be used as the yeast.
- the high nucleic acid yeast extract of the present invention is characterized by being obtained by the method for producing a high nucleic acid-containing yeast extract of the present invention.
- Yeast extract is very useful as a source of food materials and very useful as a raw material for pharmaceuticals, because it contains a very large amount of nucleic acids with high taste.
- FIG. 1 is a graph showing the relationship between the temperature and time of the heat treatment of the yeast cell suspension and the content of taste nucleic acids in the yeast extract.
- FIG. 2 is a graph showing the relationship between the pH of a yeast cell suspension and the content of taste nucleic acids in a yeast extract.
- the method for producing a yeast extract containing a high nucleic acid of the present invention is a method for producing a yeast extract from a yeast cell suspension by an enzyme addition method, wherein the pH of the yeast cell suspension is previously adjusted to alkaline. And heat-treated at a predetermined temperature.
- yeast cells according to the present invention will be described.
- the yeast according to the present invention is not particularly limited as long as it is a kind that can be used for the production of yeast extract. Not only baker's yeast, but also other yeasts such as Saccharomyces, Candida, Pichia, and Hansenula. Further, not only yeast newly cultured for the production of yeast extract but also yeast after being used for brewing beer, low-malt beer, sake, or the like may be used.
- the yeast according to the present invention is not limited to the yeast described above, and may be a yeast in which the nucleic acid content in the yeast cells has been increased by pretreatment or the like in advance.
- yeast cells are added to the medium.
- a medium containing a component for activating yeast for example, a medium used for culturing yeast may be diverted
- the yeast cells are added to the medium.
- Yeast having an improved ribonucleic acid content by immersion and aerobic activation treatment with stirring at a predetermined temperature may be used.
- beer yeast used for producing malt alcoholic beverages such as beer and low-malt beer can also be suitably used as a raw material. After sieving and washing the sludge-like live yeast, it may be subjected to the production of yeast having high ribonucleic acid.
- a dry yeast produced by previously performing the pH adjustment and the heat treatment according to the present invention may be used as a suspension.
- the pH of the yeast cell suspension is adjusted to neutral or alkaline in advance, and Heat treatment to a predetermined temperature.
- the pH of the yeast cell suspension during the heat treatment is in a neutral or alkaline range, preferably 6.5 to 11.0, and more preferably 7.0 to 11.0. More preferably, there is.
- the pH is in the acidic range
- the nucleic acid content in the yeast extract does not increase.
- it exceeds 1.1 ° the nucleic acid content in the yeast extract does not decrease, but it is almost in a steady state, and the nucleic acid content does not tend to increase remarkably. May be colored.
- the heat treatment in the method for producing a yeast extract having a high nucleic acid content of the present invention is carried out under conditions that inactivate enzymes such as nucleases (particularly ribonucleases), proteases, and phosphatases present in the yeast cells.
- enzymes such as nucleases (particularly ribonucleases), proteases, and phosphatases present in the yeast cells.
- the predetermined temperature is preferably from 70 to 95 ° C, more preferably from 75 to 90 ° C.
- the temperature is lower than the lower limit, the enzyme is not sufficiently deactivated, and the nucleic acid content in the yeast extract tends to decrease.On the other hand, when the temperature is higher than the upper limit, the yeast extract product has a burning odor, coloring, etc. This may have an undesired effect.
- the temperature of the yeast cell suspension reaches the predetermined temperature, heating is stopped. Although it may be left as it is or cooled, it is preferable to further perform a treatment for maintaining the above-mentioned predetermined temperature for a predetermined time (preferably 1 to 3 hours). Such treatments tend to further increase nucleic acid content. On the other hand, if the time exceeds 3 hours, the product may have an unfavorable effect such as burning odor and coloring.
- Extraction of the yeast extract by the enzyme addition method may be performed by a known method. For example, after the above-mentioned pH adjustment and heat treatment, a nuclease and a protease are added to the yeast cell suspension to perform a nucleic acid degradation treatment and a protein degradation treatment, followed by a deaminase treatment. Then, the yeast cell suspension after the enzyme treatment is subjected to solid-liquid separation by centrifugation, and the centrifuged supernatant is subjected to enzyme deactivation, concentration, sterilization, pH adjustment, and the like to obtain an enzyme extract product by a conventional method. be able to.
- a yeast cell suspension obtained by suspending dry yeast produced by previously performing the above-described pH adjustment and heat treatment in water may be used.
- the temperature in the enzyme treatment is usually about 40 to 70 ° C.
- the pH is usually about 5.0 to 7.5
- the reaction time is usually about 2 to 20 hours.
- the yeast extract containing high nucleic acid thus obtained contains much more nucleic acid than yeast cells originally having the same nucleic acid content, and can be efficiently treated by very simple treatments such as heat treatment and pH adjustment. It is possible to obtain a high nucleic acid yeast extract well. Therefore, it has a very high content of highly tasty nucleic acids, which is useful not only as a source of food materials, but also as a raw material for pharmaceuticals and a nutrient source for microbial growth. A simple yeast extract can be obtained easily.
- the yeast (muddy yeast) collected at the beer factory was sieved and washed.
- the pH of the obtained yeast-containing liquid (yeast cell suspension) was about 5 to 6 (pH 5.8).
- the collected yeast-containing solution was treated under the following conditions and then dried by a spray-drying method to prepare 13 types of experimental samples.
- nucleic acid content in the yeast extract indicates the content of taste nucleic acid. It is the sum of the values of the salt heptahydrate.
- Figure 1 shows the measurement results of the nucleic acid content.
- the pH of the yeast-containing liquid which was PH 5.8 (Comparative Example 2)
- PH 5.8 Comparative Example 2
- the content of the tasty nucleic acid was measured.
- FIG. 2 and Table 1 it was confirmed that in the region where the pH ranges from the neutral region to the alkaline region, the content of the tasty nucleic acid was significantly increased.
- the temperature condition and the heating time were 90 ° C and 1 hour, respectively.
- the nucleic acid content in the yeast extract can be reduced to about 35 ⁇ 51% increase was confirmed. Further, by adjusting the pH to the alkaline region (pH 8.50), the nucleic acid content was reduced to about 955.
- nucleic acid content was increased by about 114% by adjusting the pH to a high level (pH 10.73).
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- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Mycology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Microbiology (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02792031A EP1479299A4 (en) | 2001-12-26 | 2002-12-26 | PROCESS FOR PRODUCING NUCLEIC ACID RICH YEAST EXTRACT AND NUCLEIC ACID RICH YEAST EXTRACT |
JP2003555915A JPWO2003055333A1 (ja) | 2001-12-26 | 2002-12-26 | 高核酸含有酵母エキスの製造方法及び高核酸含有酵母エキス |
US10/499,644 US20050054058A1 (en) | 2001-12-26 | 2002-12-26 | Process for producing nucleic acid-rich yeast extract and nucleic acid-rich yeast extract |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-394691 | 2001-12-26 | ||
JP2001394691 | 2001-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003055333A1 true WO2003055333A1 (fr) | 2003-07-10 |
Family
ID=19188894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/013715 WO2003055333A1 (fr) | 2001-12-26 | 2002-12-26 | Procede de production d'un extrait de levure riche en acides nucleiques et extrait de levure riche en acides nucleiques |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050054058A1 (ja) |
EP (1) | EP1479299A4 (ja) |
JP (1) | JPWO2003055333A1 (ja) |
CN (1) | CN100426988C (ja) |
WO (1) | WO2003055333A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006014719A (ja) * | 2004-06-01 | 2006-01-19 | Asahi Breweries Ltd | 高栄養酵母および酵母製品の製造方法 |
JP4836786B2 (ja) * | 2003-07-11 | 2011-12-14 | − ツァチェルニュウク、タティアナ、アー. エゴロワ | 生体化合物の安定同位体標識のための組成物及び方法 |
RU2456347C2 (ru) * | 2008-02-19 | 2012-07-20 | Эйнджелйист Ко., Лтд | Дрожжевой экстракт, содержащий двунатриевую соль инозината и двунатриевую соль гуанилата, и способ его получения |
CN104256495A (zh) * | 2014-09-12 | 2015-01-07 | 温州市啤酒设备成套有限公司 | 一种利用啤酒中的酵母菌制取特鲜味精的方法 |
JP2017063736A (ja) * | 2015-09-30 | 2017-04-06 | カゴメ株式会社 | ニンジン汁の旨味抑制方法、ニンジン汁の製造方法、ニンジン汁、及び、にんじんジュース |
JP2017063737A (ja) * | 2015-09-30 | 2017-04-06 | カゴメ株式会社 | ニンジン汁の甘味確保方法、ニンジン汁の製造方法 |
JP2018019706A (ja) * | 2017-08-30 | 2018-02-08 | カゴメ株式会社 | ニンジン汁の旨味抑制方法、ニンジン汁の製造方法、ニンジン汁、及び、にんじんジュース |
JP2018038429A (ja) * | 2017-12-13 | 2018-03-15 | カゴメ株式会社 | ニンジン汁の甘味確保方法、ニンジン汁の製造方法 |
WO2018066617A1 (ja) * | 2016-10-07 | 2018-04-12 | 天野エンザイム株式会社 | 核酸系調味料の製造方法 |
WO2021066130A1 (ja) | 2019-10-03 | 2021-04-08 | 天野エンザイム株式会社 | 酵母エキスの製造方法 |
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JP5421117B2 (ja) * | 2006-12-22 | 2014-02-19 | ノボザイムス アクティーゼルスカブ | イースト抽出物を製造する方法 |
CN101513247B (zh) * | 2008-02-21 | 2012-09-19 | 安琪酵母股份有限公司 | 一种高蛋白质含量的酵母抽提物的生产方法及产品 |
CN101756151B (zh) * | 2008-12-24 | 2012-12-12 | 安琪酵母股份有限公司 | 一种高谷氨酸酵母抽提物及其制备方法 |
CN102115717B (zh) * | 2009-12-31 | 2013-07-10 | 安琪酵母股份有限公司 | 低核酸酵母产品、其制备方法以及包含该低核酸酵母的减肥产品 |
CN102559522B (zh) * | 2010-12-30 | 2014-11-05 | 安琪酵母股份有限公司 | 一种高核酸面包酵母及其制备方法 |
CN103717093B (zh) * | 2011-08-26 | 2016-03-30 | 兴人生命科学株式会社 | 具有味道增强效果的酵母抽提物 |
JP6509196B2 (ja) * | 2014-03-20 | 2019-05-08 | アサヒグループホールディングス株式会社 | 酵母エキスの製造方法 |
CN110150592A (zh) * | 2017-12-25 | 2019-08-23 | 江南大学(如皋)食品生物技术研究所 | 牡蛎酶解粉脱腥处理方法 |
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2002
- 2002-12-26 JP JP2003555915A patent/JPWO2003055333A1/ja active Pending
- 2002-12-26 CN CNB028283074A patent/CN100426988C/zh not_active Expired - Fee Related
- 2002-12-26 US US10/499,644 patent/US20050054058A1/en not_active Abandoned
- 2002-12-26 WO PCT/JP2002/013715 patent/WO2003055333A1/ja active Application Filing
- 2002-12-26 EP EP02792031A patent/EP1479299A4/en not_active Withdrawn
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US3903314A (en) * | 1974-04-12 | 1975-09-02 | Standard Oil Co Ohio | Process for texturizing microbial broken cell material having reduced nucleic acid content by a deep oil frying technique |
EP0249435A2 (en) * | 1986-06-09 | 1987-12-16 | Takeda Chemical Industries, Ltd. | Method for producing yeast extract |
JPH11196859A (ja) * | 1998-01-20 | 1999-07-27 | Kohjin Co Ltd | 変異株 |
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See also references of EP1479299A4 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4836786B2 (ja) * | 2003-07-11 | 2011-12-14 | − ツァチェルニュウク、タティアナ、アー. エゴロワ | 生体化合物の安定同位体標識のための組成物及び方法 |
JP2006014719A (ja) * | 2004-06-01 | 2006-01-19 | Asahi Breweries Ltd | 高栄養酵母および酵母製品の製造方法 |
JP4541812B2 (ja) * | 2004-06-01 | 2010-09-08 | アサヒビール株式会社 | 高栄養酵母および酵母製品の製造方法 |
RU2456347C2 (ru) * | 2008-02-19 | 2012-07-20 | Эйнджелйист Ко., Лтд | Дрожжевой экстракт, содержащий двунатриевую соль инозината и двунатриевую соль гуанилата, и способ его получения |
CN104256495A (zh) * | 2014-09-12 | 2015-01-07 | 温州市啤酒设备成套有限公司 | 一种利用啤酒中的酵母菌制取特鲜味精的方法 |
JP2017063736A (ja) * | 2015-09-30 | 2017-04-06 | カゴメ株式会社 | ニンジン汁の旨味抑制方法、ニンジン汁の製造方法、ニンジン汁、及び、にんじんジュース |
JP2017063737A (ja) * | 2015-09-30 | 2017-04-06 | カゴメ株式会社 | ニンジン汁の甘味確保方法、ニンジン汁の製造方法 |
WO2018066617A1 (ja) * | 2016-10-07 | 2018-04-12 | 天野エンザイム株式会社 | 核酸系調味料の製造方法 |
US11278045B2 (en) | 2016-10-07 | 2022-03-22 | Amano Enzyme Inc. | Method for producing nucleic acid seasoning |
JP2018019706A (ja) * | 2017-08-30 | 2018-02-08 | カゴメ株式会社 | ニンジン汁の旨味抑制方法、ニンジン汁の製造方法、ニンジン汁、及び、にんじんジュース |
JP2018038429A (ja) * | 2017-12-13 | 2018-03-15 | カゴメ株式会社 | ニンジン汁の甘味確保方法、ニンジン汁の製造方法 |
WO2021066130A1 (ja) | 2019-10-03 | 2021-04-08 | 天野エンザイム株式会社 | 酵母エキスの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20050054058A1 (en) | 2005-03-10 |
CN100426988C (zh) | 2008-10-22 |
JPWO2003055333A1 (ja) | 2005-04-28 |
CN1620256A (zh) | 2005-05-25 |
EP1479299A1 (en) | 2004-11-24 |
EP1479299A4 (en) | 2005-02-16 |
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