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首页> 外文期刊>Preparative biochemistry & biotechnology: An international journal for rapid communication >Use of elephant grass (Pennisetum purpureum) acid hydrolysate for microbial oil production by Trichosporon cutaneum
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Use of elephant grass (Pennisetum purpureum) acid hydrolysate for microbial oil production by Trichosporon cutaneum

机译：象草（Pennisetum purpureum）酸水解物用于Trichosporon cutaneum生产微生物油的用途

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摘要

Elephant grass (Pennisetum purpureum) dilute acid hydrolysate contains 34.6 g/L total sugars. The potential of lipid production by oleaginous yeast Trichosporon cutaneum grown on elephant grass acid hydrolysate was investigated for the first time. During the fermentation process on the elephant grass acid hydrolysate, glucose, xylose, and arabinose could be well utilized as carbon sources by T. cutaneum. Interestingly, xylose was almost no use before glucose was consumed completely. This illustrated that simultaneous saccharification of xylose and glucose by T. cutaneum did not occur on elephant grass acid hydrolysate. The highest biomass, lipid content, lipid yield, and lipid coefficient of T. cutaneum were measured after the sixth day of fermentation and were 22.76 g/L, 24.0%, 5.46 g/L, and 16.1%, respectively. Therefore, elephant grass is a promising raw material for microbial oil production by T. cutaneum.
机译：象草（Pennisetum purpureum）稀酸水解产物中总糖含量为34.6 g / L。首次研究了在象草酸水解产物上生长的产油酵母角皮毛霉（Trichosporon cutaneum）产生脂质的潜力。在象草上的发酵过程中，酸水解物，葡萄糖，木糖和阿拉伯糖可以被角皮被用作碳源。有趣的是，在葡萄糖被完全消耗之前，几乎没有使用木糖。这说明在象草酸水解产物上不会发生由角皮癣菌同时糖化木糖和葡萄糖的现象。发酵第六天后测量的最高生物量，角质含量，脂质产量和脂质系数分别为22.76 g / L，24.0％，5.46 g / L和16.1％。因此，象草是角皮被微生物生产微生物油的有前途的原料。

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