Title:
【発明の名称】貯蔵安定性精製ビタミンA調製物およびその精製方法
Document Type and Number:
Japanese Patent JP2960547
Kind Code:
B2
Abstract:
A process for purifying vitamin A consisting of heating a vitamin A preparation in an inert atmosphere, at a temperature below 170 DEG C. and a pressure of less than 4 mm of mercury, said heating taking place in a vessel shielded from light is disclosed. The vitamin A obtained from this process is mixed with from 0.5:1 to 2:1 parts of tocopherol to vitamin A. The vitamin A and tocopherol mixture can be encapsulated in acacia gum, starch, pectins or other suitable materials. When the vitamin A is encapsulated, the level of tocopherol required is less, preferably from 0.05:1 to about 1:1 parts of tocopherol to vitamin A is used in an encapsulated vitamin A composition. Other antioxidants can be added.
Inventors:
SARAMA ROBAATO JOSEFU
UIMEIAA TOOMASU JOSEFU
SEBUNANTSU MAIKERU ROBAATO
SANDAASU ROBAATO ARAN
UIMEIAA TOOMASU JOSEFU
SEBUNANTSU MAIKERU ROBAATO
SANDAASU ROBAATO ARAN
Application Number:
JP50648295A
Publication Date:
October 06, 1999
Filing Date:
June 09, 1995
Export Citation:
Assignee:
PUROKUTAA ANDO GYANBURU CO ZA
International Classes:
A61K9/48; A61K31/07; C07C29/76; C07C29/94; A23L33/155; C07C33/14; C07C403/08; C07C403/12; C07C403/14; C07C; (IPC1-7): C07C403/08; A23L1/303; C07C403/12; C07C403/14
Domestic Patent References:
| JP6293639A | ||||
| JP6247853A | ||||
| JP5841813A |
Attorney, Agent or Firm:
Yoshikazu Tani (3 others)