Preparation of soluble edible protein from leafy green crops
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-013/00
출원번호
US-0567151
(1975-04-11)
발명자
/ 주소
Bickoff Emanuel M. (Oakland CA) DE Fremery Donald (Orinda CA) Edwards Richard H. (Albany CA) Knuckles Benny E. (San Pablo CA) Kohler George O. (El Cerrito CA) Miller Raymond E. (Richmond CA)
출원인 / 주소
The United States of America as represented by the Secretary of Agriculture (Washington DC 06)
인용정보
피인용 횟수 :
17인용 특허 :
0
초록▼
Juice obtained from alfalfa or other leafy green crops is processed to isolate a cream-colored protein fraction which is soluble, odorless, bland (essentially tasteless) and useful for human nutrition. The juice is first treated to remove chloroplastic proteins, chlorophyll, carotenoids, and lipids.
Juice obtained from alfalfa or other leafy green crops is processed to isolate a cream-colored protein fraction which is soluble, odorless, bland (essentially tasteless) and useful for human nutrition. The juice is first treated to remove chloroplastic proteins, chlorophyll, carotenoids, and lipids. The residual juice containing the desired cytoplasmic proteins is treated by novel procedures-e.g., acid precipitation in the cold or by membrane filtration followed by acid precipitation at ambient temperature-to isolate the soluble bland protein.
대표청구항▼
A process for isolating soluble, odorless, bland protein suitable for human consumption, whih comprises a. providing a juice containing soluble proteins from green leafy vegetable material, which juice has been treated to remove chloroplastic proteins, chlorphyll, carotenes, and lipids, b. concentra
A process for isolating soluble, odorless, bland protein suitable for human consumption, whih comprises a. providing a juice containing soluble proteins from green leafy vegetable material, which juice has been treated to remove chloroplastic proteins, chlorphyll, carotenes, and lipids, b. concentrating said juice by applying it under pressure against a membrane which will retain desired proteins having a molecular weight greater than about 20,000-100,000 but will allow substances of lesser molecular weight to pass therethrough, c. purifying said concentrate by applying it under pressure against a membrane which will retain desired proteins having a molecular weight greater than about 20,000-100,000 but will allow substances of lesser molecular weight to pass therethrough, the volume of said concentrate being maintained constant by addition of water thereto, d. acidifying said purified concentrate, at ambient temperature, to a pH of 3.5 to 5.5, whereby to precipitate the desired proteins therefrom, and e. separating the precipitated protein from the residual juice.
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