Title:
【発明の名称】生物的変換によるメラニン色素の調製方法および生成色素の化粧品への利用
Document Type and Number:
Japanese Patent JP3416135
Kind Code:
B2
Abstract:
PCT No. PCT/FR93/01138 Sec. 371 Date Jul. 18, 1994 Sec. 102(e) Date Jul. 18, 1994 PCT Filed Nov. 19, 1993 PCT Pub. No. WO94/12653 PCT Pub. Date Jun. 9, 1994The present invention relates to a method for the preparation of a melanic pigment by enzymatic bioconversion, implementing a melanin precursor substrate and plant cells, characterized in that: (a) poppy (Papaver somniferum) plant cells previously cultivated are separated from their culture medium and subcultured in a culture medium with a concentration from 10 to 100 g/l; (b) the cells are ground at least partially, before or at the end of the latency time, (c) the at least partially ground cells are placed in a bioconversion medium in the presence with a melanin precursor substrate selected amoung indol, indolin, dihydroxyphenylalanin, tyramin and tyrosin; (d) the precipitated melanic pigment is collected. The invention also relates to the utilization of such resulting pigments for the preparation of cosmetic compositions.
Inventors:
Junino, Alex
Eire, Pascal
Martin, Richard
Eire, Pascal
Martin, Richard
Application Number:
JP51283794A
Publication Date:
June 16, 2003
Filing Date:
November 19, 1993
Export Citation:
Assignee:
LOREAL
International Classes:
A61K8/00; A61K8/18; A61K8/49; A61K8/72; A61K8/96; C12P17/18; A61Q1/00; A61Q1/02; A61Q1/10; A61Q5/06; A61Q5/10; A61Q17/04; C09B59/00; C09B69/10; C12P1/00; C12P17/00; C12P17/10; (IPC1-7): C12P17/10; A61K7/00; A61K7/02; A61K7/11; A61K7/42
Domestic Patent References:
| JP690776A | ||||
| JP6500011A |
Attorney, Agent or Firm:
Aoyama Ryo (2 outside people)