KR830001835A - Recovery of amino acids from proteolytic products - Google Patents

Recovery of amino acids from proteolytic products Download PDF

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KR830001835A
KR830001835A KR1019800000583A KR800000583A KR830001835A KR 830001835 A KR830001835 A KR 830001835A KR 1019800000583 A KR1019800000583 A KR 1019800000583A KR 800000583 A KR800000583 A KR 800000583A KR 830001835 A KR830001835 A KR 830001835A
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tyrosine
phenyl
alanine
recovery
amino acids
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KR1019800000583A
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Korean (ko)
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KR850000716B1 (en
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스타인 메처 발터
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앙드로제이 레드지용
소시에떼 데스 프로두이스 네슬 소시에떼 아노님
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Priority to KR1019800000583A priority Critical patent/KR850000716B1/en
Publication of KR830001835A publication Critical patent/KR830001835A/en
Priority to KR1019840007810A priority patent/KR850000717B1/en
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/12Formation of amino and carboxyl groups

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음No content

Description

단백질 가수분해 산물로부터 아미노산의 회수방법Recovery of amino acids from proteolytic products

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (13)

단백질 아미노산 가수분해 산물을 중화시킨 후에, 조성이 다른 아미노산 획분을 분별증류에 의해 시차제로 얻는 것을 특징으로 하는 단백질 가수분해 산물로부터 아미노산의 회수방법.A method for recovering amino acids from a protein hydrolyzate, characterized in that after the neutralization of the protein amino acid hydrolysis products, amino acid fractions having different compositions are obtained by differential distillation. 티로신 함량이 풍부한 획분을 pH 10내지 11에서 용해시켜 생성되는 용액을 여과하고, pH 8.5내지 10에서 티로신을 석출시켜 분리시킨 다음에, 재결정화에 의해 정제시킴을 특징으로 하는 L-티로신 회수의 특허청구범위 제1항 기재의 방법.Patent of L-tyrosine recovery characterized by dissolving a fraction rich in tyrosine at pH 10 to 11, filtering the resulting solution, separating and separating tyrosine at pH 8.5 to 10, and then purifying by recrystallization. The method of claim 1. 티로신을 분리시킨 후 얻어지는 용액을 pH 3.0내지6.0으로 조정하여 석출된 시스틴을 분리시킨 다음에, 재결정화에 의해 정제시킴을 특징으로 하는 L-티로신 회수의 특허청구의 범위 제2항 기재의 방법.The method according to claim 2, wherein the solution obtained after separating tyrosine is adjusted to pH 3.0 to 6.0 to separate precipitated cystine and then purified by recrystallization. 류우신 함량이 풍부한 획분을 산중에 용해시키고, 여기에 산화제를 첨가하여 메티오닌을 산화시킨 다음, 조 류우신을 pH1.0내지2.0에서 석출시킴을 특징으로 하는 L-티로신 회수의, 특허청구의 범위 제1항 기재의 방법.Claims of recovery of L-tyrosine characterized by dissolving a fraction rich in leucine in acid, adding an oxidizing agent to oxidize methionine, and then precipitating crude leucine at pH 1.0-2.0. The method of claim 1. 상기 석출방법을 동일한 pH 범위 내에서 반복 행하여 류우신을 일층 정제함을 특징으로 하는 특허청구범위 제4항 기재의 방법.The method according to claim 4, wherein the precipitation method is repeatedly performed within the same pH range to further purify leucine. 상기 용액 중의 이소류우신 함량을 1.0내지1.5% 범위 내로 조정함을 특징으로 하는 특허청구의 범위 제4항 기재의 방법.The method according to claim 4, wherein the isoleucine content in the solution is adjusted to within the range of 1.0 to 1.5%. 상기 pH치를 파로신 함량에 따라 조정함을 특징으로 하는 특허청구의 범위 제4항 기재의 방법.Method according to claim 4 characterized in that the pH value is adjusted according to the content of parosine. 염화나트륨으로 포화시킨 류우신, 이소류우신, 페닐-알라닌 및 티로신 등의 아미노산류의 염산 부가염류 용액을 물에 혼화되지 않는 알코올, 특히 이소부탄올이나 또는 부탄올로 추출함을 특징으로 하는 상기 아미노산류의 추출 방법.A hydrochloric acid addition salt solution of amino acids such as leucine, isoleucine, phenyl-alanine and tyrosine saturated with sodium chloride is extracted with an alcohol that is not miscible with water, in particular isobutanol or butanol. Extraction method. 상기 알코올 추출액 중의 티로신과 발린 함량을 수세에 의해 감소시킴을 특징으로 하는 특허청구의 범위 제8항 기재의 방법.The method according to claim 8, wherein the content of tyrosine and valine in the alcohol extract is reduced by washing with water. 페닐-알라닌 및 티로신 아미노산의 염산 부가염을 함유하는 중성 용액을 약염기성 및 강염기성 음이온 교환기 상을 통과시킴을 특징으로 하는 페닐-알라닌 및 티로신의 회수방법.A process for the recovery of phenyl-alanine and tyrosine, characterized by passing a neutral solution containing hydrochloric acid addition salts of phenyl-alanine and tyrosine amino acids over weakly and strongly basic anion exchangers. 페닐-알라닌 및 티로신이 충전된 상기 강염기성 음이온 교환기를 염산으로 용출시킴을 특징으로 하는 특허청구의 범위 제10항 기재의 방법.Method according to claim 10 characterized in that the strong base anion exchanger filled with phenyl-alanine and tyrosine is eluted with hydrochloric acid. 페닐-알라닌 및 티로신을 함유하는 용출액을 농축하여, 용출액의 염산함량을 20내지25% 범위로 조정한 다음, 70내지90℃의 온도에서 염화나트륨을 분리하고, 냉각함으로서 페닐-알라닌 염산 부가염을 정출시킴을 특징으로 하는 페닐-알라닌 회수의 특허청구의 범위 제11항 기재의 방법.Concentrate the eluate containing phenyl-alanine and tyrosine, adjust the hydrochloric acid content of the eluate to the range of 20 to 25%, and separate the sodium chloride at a temperature of 70 to 90 ℃, and cool to determine the phenyl-alanine hydrochloride addition salt The method according to claim 11, wherein the claim for recovering phenyl-alanine is characterized by the following procedure. 페닐-알라닌 염산부가염을 재결정화에 의해 정제를 행하고, 약염기성 음이온 교환기로 처리함으로서, L-페닐-알라닌을 얻는 것을 특징으로 하는 특허청구의 범위 제12항 기재의 방법.The method according to claim 12, wherein the phenyl-alanine hydrochloride addition salt is purified by recrystallization and treated with a weakly basic anion exchanger to obtain L-phenyl-alanine. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019800000583A 1980-02-14 1980-02-14 Process for recovering amino acids from protein hydrolystes KR850000716B1 (en)

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KR1019800000583A KR850000716B1 (en) 1980-02-14 1980-02-14 Process for recovering amino acids from protein hydrolystes
KR1019840007810A KR850000717B1 (en) 1980-02-14 1984-12-10 Process for recovering amino acids from protein hydrolystes

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KR830001835A true KR830001835A (en) 1983-05-19
KR850000716B1 KR850000716B1 (en) 1985-05-23

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KR850000717B1 (en) 1985-05-23

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