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首页> 外文期刊>Phytochemistry >Biotransformation of geraniol, nerol and citral by sporulated surface cultures of Aspergillus niger and Penicillium sp.
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Biotransformation of geraniol, nerol and citral by sporulated surface cultures of Aspergillus niger and Penicillium sp.

机译：黑曲霉和青霉菌的孢子表面培养使香叶醇，神经醇和柠檬醛发生生物转化。

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The biotransformation of geraniol, nerol and citral by Aspegillus niger was studied. A comparison was made between submerged liquid, sporulated surface cultures and spore suspensions. This bioconversion was also carried out with surface cultures of Penicillium sp. The main bioconversion products obtained from geraniol and nerol by liquid cultures of A. niger were linalool and alpha -terpineol. Linalool, alpha -terpineol and limonene were the main products obtained from nerol and citral by sporulated surface cultures, whereas geraniol was converted predominantly to linalool, also resulting in higher yields. Bioconversion of nerol with Penicillium chrysogenum yielded mainly alpha -terpineol and some unidentified compounds. With P. rugulosum the major bioconversion product from nerol and citral was linalool. The bioconversion of nerol to alpha -terpineol and linalool by spore suspensions of A. niger was also investigated. Finally the biotransformation with sporulated surface cultures was also monitored by solid phase microextraction (SPME). It was found that SPME is a very fast and efficient screening technique for biotransformation experiments. (C) 2000 Elsevier Science Ltd. All rights reserved. [References: 16]
机译：研究了黑曲霉对香叶醇，神经醇和柠檬醛的生物转化。在淹没的液体，孢子形成的表面培养物和孢子悬浮液之间进行了比较。该生物转化也用青霉属sp的表面培养进行。通过黑曲霉的液体培养从香叶醇和神经醇获得的主要生物转化产物是芳樟醇和α-松油醇。芳樟醇，α-松油醇和li烯是通过孢子表面培养从神经醇和柠檬醛中获得的主要产物，而香叶醇主要转化为芳樟醇，也导致了更高的收率。橙黄与黄青霉的生物转化主要产生α-萜品醇和一些未鉴定的化合物。对于皱叶疟原虫，来自神经醇和柠檬醛的主要生物转化产物是芳樟醇。还研究了黑曲霉的孢子悬浮液将神经醇生物转化为α-萜品醇和芳樟醇。最后，还通过固相微萃取（SPME）监测了孢子表面培养物的生物转化。发现SPME是用于生物转化实验的非常快速且有效的筛选技术。 （C）2000 Elsevier ScienceLtd。保留所有权利。 [参考：16]

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