Journal
BIORESOURCE TECHNOLOGY
Volume 136, Issue -, Pages 766-770Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.03.027
Keywords
Immobilized microorganism; Polygonum cuspidatum roots; Polydatin; Resveratrol; Biotransformation
Funding
- Importation of International Advanced Forestry Science and Technology, National Forestry Bureau [2012-4-06]
- Program for Special Fund of Forestry Industrial Research for Public Welfare of China [201004040]
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A new biotransformation method of producing resveratrol with co-immobilized edible Aspergillus niger and Yeast (AY) was investigated. The biotransformation conditions were optimized for the resveratrol production under 30 degrees C, pH 6.5, 2 days, liquid solid ratio 12:1 (mL/g), the yield of resveratrol reached 33.45 mg/g, which increased 11-fold to that of untreated one. The conversion rate of polydatin reached 96.7%. The residual activity of immobilized microorganism was 83.2% after used for 15 runs. The developed method could be an effectively alternative biotransformation method for producing resveratrol from the plants. (C) 2013 Elsevier Ltd. All rights reserved.
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