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1. (WO1998051656) METHOD FOR THE SEPARATION AND PURIFICATION OF POLYUNSATURATED FATTY ACID ESTERS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1998/051656 International Application No.: PCT/IB1998/000707
Publication Date: 19.11.1998 International Filing Date: 12.05.1998
Chapter 2 Demand Filed: 07.12.1998
IPC:
A23L 1/30 (2006.01) ,C07C 67/56 (2006.01)
A HUMAN NECESSITIES
23
FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
L
FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D91; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
1
Foods or foodstuffs; Their preparation or treatment
29
Modifying nutritive qualities of foods; Dietetic products
30
containing additives
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
67
Preparation of carboxylic acid esters
48
Separation; Purification; Stabilisation; Use of additives
56
by solid-liquid treatment; by chemisorption
Applicants:
YMC CO., LTD. [JP/JP]; 284, Daigocho Nishiiru Gojyo-karasuma, Shimogyo-ku Kyoto-shi Kyoto 600-8418, JP (AllExceptUS)
SUNTORY LTD. [JP/JP]; 1-40, Dojimahama 2-chome Kita-ku Osaka-shi Osaka 530-0004, JP (AllExceptUS)
NAGASE BIOCHEMICAL LTD. [JP/JP]; 52, Osadanocho 1-chome Fukuchiyama-shi Kyoto 620-0853, JP (AllExceptUS)
NAGASE & CO., LTD. [JP/JP]; 1-17, Shinmachi 1-chome Nishi-ku Osaka-shi Osaka 550-0013, JP (AllExceptUS)
YAMAMURA, Ryuji [JP/JP]; JP (UsOnly)
SHIMOMURA, Yasushi [JP/JP]; JP (UsOnly)
SOGO, Tsutomu [JP/JP]; JP (UsOnly)
TANAKA, Satohiro [JP/JP]; JP (UsOnly)
YAGUCHI, Toshiaki [JP/JP]; JP (UsOnly)
Inventors:
YAMAMURA, Ryuji; JP
SHIMOMURA, Yasushi; JP
SOGO, Tsutomu; JP
TANAKA, Satohiro; JP
YAGUCHI, Toshiaki; JP
Agent:
YAMAMOTO, Shusaku; Fifteenth floor,Crystal Tower 2-27, Shiromi 1-chome Chuo-ku Osaka-shi Osaka 540-6015, JP
Priority Data:
9/13770612.05.1997JP
Title (EN) METHOD FOR THE SEPARATION AND PURIFICATION OF POLYUNSATURATED FATTY ACID ESTERS
(FR) PROCEDE DE SEPARATION ET DE PURIFICATION D'ESTERS D'ACIDES GRAS POLYINSATURES
Abstract:
(EN) A method by which esters of polyunsaturated fatty acids (PUFA) such as docosahexaenoic acid (DHA) and docosapentaenoic acid (DPA) can be purified up to a high level at a high efficiency and a low cost. The method comprises the step of subjecting a lipid mixture containing two or more polyunsaturated fatty acid esters to high-performance liquid chromatography (HPLC). In this high-performance liquid chromatography, an alkylsilane-treated porous granular base material is used as the packing material.
(FR) Cette invention se rapporte à un procédé grâce auquel des esters d'acides gras polyinsaturés (PUFA), tels que de l'acide docosahexanoïque (DHA) et de l'acide docosapentanoïque (DPA), peuvent être purifiés jusqu'à un haut niveau avec une efficacité élevée et à faible coût. Ce procédé consiste à soumettre un mélange de lipides contenant au moins deux esters d'acides gras polyinsaturés à une opération de chromatographie liquide haute performance (HPLC). Lors de cette opération de chromatographie liquide haute performance, un matériau de base granulaire poreux traité à l'akylsilane est utilisé comme matériau de garnissage.
Designated States: CN, JP, KR, US
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)