| Autor: |
Huang, Jingang, Guo, Kangyin, Shi, Binfang, Li, Jianping |
| Zdroj: |
Biomass Conversion & Biorefinery; Jun2021, Vol. 11 Issue 3, p795-801, 7p |
| Abstrakt: |
Henna (Lawsonia inermis) plant biomass is a popular source of natural dye lawsone used all over the world. In this study, the effect of temperature on fermentative production of short-chain fatty acids (SCFA) from raw henna biomass was investigated. The results indicated that mesophilic fermentation (35 °C) upgraded the SCFA production as compared with those under normal (25 °C) and thermophilic (25 °C) conditions, increasing by up to 2.2-fold and 1.5-fold, respectively. Acetic acid was the main SCFA component, accounting for 50 ~ 70% of the total SCFA, and followed by n-butyric acid and propionic acid. The enzymatic activities of α-glucosidase in thermophilic series were lower than those in mesophilic series, resulting in a less carbohydrate consumption and SCFA production. Soluble lawsone was positively correlated with fermentation temperature; and the average concentration (87.0 mg/L) in mesophilic series was appropriate to serve as a redox mediator to improve the acidification process for SCFA production. Future work to systematically scrutinize the confounding factors affecting the fermentation process of henna biomass was required. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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