KR830007540A - How to prepare L-cystine - Google Patents

How to prepare L-cystine Download PDF

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Publication number
KR830007540A
KR830007540A KR1019810003688A KR810003688A KR830007540A KR 830007540 A KR830007540 A KR 830007540A KR 1019810003688 A KR1019810003688 A KR 1019810003688A KR 810003688 A KR810003688 A KR 810003688A KR 830007540 A KR830007540 A KR 830007540A
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KR
South Korea
Prior art keywords
cystine
prepare
alcohol
purified
hydrochloric acid
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Application number
KR1019810003688A
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Korean (ko)
Inventor
한상열
한호숙
Original Assignee
홍연석
미원 주식회사
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 홍연석, 미원 주식회사 filed Critical 홍연석
Priority to KR1019810003688A priority Critical patent/KR830007540A/en
Publication of KR830007540A publication Critical patent/KR830007540A/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
    • C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
    • C07C323/52—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated

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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

L-시스틴을 제조하는 방법How to prepare L-cystine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (3)

폐단백질을 염산으로 가수분해함에 있어서 0.5-0.6기압압력 및 110-120℃의 온도하에서 폐단백질의 3-10배인 6N-6N염산으로 가수분해한후 이 가수분해 액을 50토르(Torr), 75℃에서 진공농축하여 활성탄으로 정제하여 40% 수산화나트륨 용액으로 PH3.0으로 조정하여 L-시스틴을 정제 회수하고 40-50℃에서 알콜로 재정제하여 L-시스틴을 제조하는 방법.In hydrolyzing the waste protein with hydrochloric acid, hydrolyze it with 6N-6N hydrochloric acid, which is 3-10 times the waste protein, at 0.5-0.6 atm and 110-120 ° C. Concentrating in vacuo at ℃ ℃ purified by activated carbon, adjusted to PH3.0 with 40% sodium hydroxide solution to recover L-cystine purified and refined with alcohol at 40-50 ℃ to prepare L-cystine. 제1항에서, 가수분해를 3-8시간동안 하는 제조방법.The method of claim 1 wherein the hydrolysis is for 3-8 hours. 제1항에서 알콜이 탄소수 1-3인 저급알콜인 제조방법.The method of claim 1, wherein the alcohol is a lower alcohol having 1-3 carbon atoms. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019810003688A 1981-09-30 1981-09-30 How to prepare L-cystine KR830007540A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019810003688A KR830007540A (en) 1981-09-30 1981-09-30 How to prepare L-cystine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019810003688A KR830007540A (en) 1981-09-30 1981-09-30 How to prepare L-cystine

Publications (1)

Publication Number Publication Date
KR830007540A true KR830007540A (en) 1983-10-21

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ID=54149234

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KR1019810003688A KR830007540A (en) 1981-09-30 1981-09-30 How to prepare L-cystine

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KR (1) KR830007540A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101023538B1 (en) * 2009-01-22 2011-03-21 (주)해림파메틱 A method of producing L-Cystine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101023538B1 (en) * 2009-01-22 2011-03-21 (주)해림파메틱 A method of producing L-Cystine

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