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KMID : 0620719990050030151
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Natural Product Sciences
1999 Volume.5 No. 3 p.151 ~ p.153
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Microbial transformation of the sweet sesquiterpene (+)-hernandulci
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Kim, Hyun Jung
Choi, Jung Kap/Yang, Hyun Ju/Whang, Yun Ae/Lee, Ik Soo
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Abstract
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(+)-Hernandulcin is a sweet bisabolane-type sesquiterpene first isolated from Lippia dulcis Trev. (Verbenaceae). This oily compound is 1000-1500 times sweeter than sucrose but with poor solubility in water. Microbial transformation was employed to improve its water solubility, and a variety of microorganisms were screened for their ability to convert (+)-hernandulcin to more polar metabolites. Scale-up fermentation with Glomerella cingulata, a fungal strain, has resulted in the isolation of a more polar metabolite (2).
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