利用多菌种共培养降解橡椀单宁制备鞣花酸

›› 2002, Vol. 22 ›› Issue (1): 21-24.

• 研究报告 • Previous Articles Next Articles

PREPARATION OF ELLAGIC ACID FROM BIODEGRADATION OF VALONIA TANNIN BY MULTI-STRAIN CO-CULTIVATION

HUANG Wen¹, SHI Bi¹, LI Qing², YAO Kai²

1. The Key Lab.of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China;2. Light Industry and Food Engineering College, Sichuan University, Chengdu 610065, China

Received:2001-06-07 Revised:1900-01-01 Online:2002-03-30 Published:2002-03-30

Abstract

Abstract: Using valonia extract as substrate,14 strains were cultivated and selected.Effects of single strain cultivation and co cultivation of strains on biodegradation of valonia tannin were investigated.It was showed that both bioconversion rate of valonia tannin and yield of ellagic acid would be remarkably increased when co cultivation of strains 1^# and 3^# was employed.The former is the strain that has faster degradation rate of tannin with weaker tannin resistance;the later is the one that has stronger resistance to tannin with slower degradation rate.Co cultivation at 2℃ for 8 days results in 68% bioconversion rate of valonia tannin and 23% yield of ellagic acid,which provides an effective way to produce ellagic acid from valonia tannin.

Key words: valonia tannin, ellagic acid, biodegradation, strain, multi-strain co-cultivation

CLC Number:

TQ94

HUANG Wen;SHI Bi;LI Qing;YAO Kai. PREPARATION OF ELLAGIC ACID FROM BIODEGRADATION OF VALONIA TANNIN BY MULTI-STRAIN CO-CULTIVATION[J]. , 2002, 22(1): 21-24.

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PREPARATION OF ELLAGIC ACID FROM BIODEGRADATION OF VALONIA TANNIN BY MULTI-STRAIN CO-CULTIVATION

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