Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing oxygen-containing organic compound
Reexamination Certificate
2006-01-27
2008-12-09
Lilling, Herbert J. (Department: 1657)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing oxygen-containing organic compound
C435S136000, C435S147000, C435S254100, C435S254300
Reexamination Certificate
active
07462470
ABSTRACT:
A method for the production of vanillic acid and vanillin from waste residue (niger) of rice bran oil by microbial fermentation and biotransformation is provided. The method of the present invention comprises the steps of hydrolization of ferulic acid esters in waste residue of rice bran oil to ferulic acid and further conversion into vanillic acid using microbial strainAspergillus nigerCGMCC 0774 screened and preserved by the present inventor, followed by conversion of vanillic acid to produce vanillin using another microbial strainPycnoporus cinnabarinusCGMCC 1115. The method for the production of vanillin according to the present invention utilizes renewable source from rice processing and alleviates the environmental pollution caused by the chemical synthesis of vanillin.
REFERENCES:
patent: 5866380 (1999-02-01), Lesage-Meessen et al.
Stentelaire et al.; Design of a Fungal Bioprocess for Vanillin Production from Vanillic Acid at Scalable Level byPycnoporus cinnabarinus; Journal of Bioscience and Bioengineering; vol. 89, No. 3, 223-230; 2000.
In the May 2000 edition of “Chemistry in Britain”, pp. 48-50; Chemistry in Britain, 2000; 36 (5).
Bai Yanbing
Guo Xinfu
Lin Guanyu
Sun Zhihao
Wang Jun
Browdy and Neimark , P.L.L.C.
Lilling Herbert J.
Zhejiang Hangzhou Xinfu Pharmaceutical Co., Ltd
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