Industrial Microbiology

Publication Title: 
Journal of Basic Microbiology

Modified solid-state fermentation (MSSF) of tannin-rich substrates for production of tannase and gallic acid was carried out using two fungal cultures, Rhizopus oryzae (RO IIT RB-13, NRRL 21498) and Aspergillus foetidus (GMRB013 MTCC 3557). The tannin rich substrates included powdered fruits of Terminalia chebula and Caesalpinia digyna pod cover powder. The different environmental parameters for the maximum production of tannase and gallic acid were optimized through media engineering.

Author(s): 
Mukherjee, Gargi
Banerjee, Rintu
Publication Title: 
Journal of Microbiology and Biotechnology

Coenzyme Q10 (CoQ10) is a widely used supplement in heart diseases treatment or antioxidative dietary. The microbial production of CoQ10 was enhanced by addition of solanesol and novel precursors recovered from waste tobacco. The novel precursors were separated by silica gel and identified as alpha-linolenic acid (LNA) and butylated hydroxytoluene (BHT) based on the effect on CoQ10 production and GC-MS. The effects of novel precursors on CoQ10 production by Sphingomonas sp. ZUTE03 were further evaluated in a two-phase conversion system.

Author(s): 
Qiu, Lequan
Wang, Weijian
Zhong, Weihong
Zhong, Li
Fang, Jianjun
Li, Xuanzhen
Wu, Shijin
Chen, Jianmeng
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