Pyronane monoterpenoids from the fruit of Gardenia jasminoides.

Journal of natural products (2008-05-29)
Quan Cheng Chen, UiJoung Youn, Byung-Sun Min, KiHwan Bae
ABSTRACT

Five new pyronane-type monocyclic monoterpenoids, jasminodiol (1), jasminoside H (6), 6'-O-sinapoyljasminoside A (7), 6'-O-sinapoyljasminoside C (8), and jasminoside I (9), together with four known analogues, were isolated from the fruit of Gardenia jasminoides. The structures of the new metabolites were characterized using spectroscopic data, and the absolute configurations of 1, 6, and 7 were established using circular dichroism (CD) analysis. Compound 1 showed tyrosinase inhibitory activity (IC 50 2.2 mM).

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Hydroquinone, ReagentPlus®, ≥99%
Sigma-Aldrich
Hydroquinone, ReagentPlus®, 99%
Sigma-Aldrich
Kojic acid
Sigma-Aldrich
Hydroquinone, meets USP testing specifications

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