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Title 

Free radical-scavenging delta-lactones from Boletus calopus

Authors 

Jin-Woo KimIck Dong YooWon Gon Kim

Publisher 

Georg Thieme Verlag

Issue Date 

2006

Citation 

Planta Medica, vol. 72, no. 15, pp. 1431-1432

Keywords 

boletus calopus extractdelta lactonelactone derivativefree radical scavengerslactonesboletus calopus

Abstract 

The methanol extracts from the fruiting body of the mushroom Boletus calopus showed free radical-scavenging activity. Bioactivity-guided fractionation of the methanol extracts led to a new hydroxylated calopin named calopin B, along with the known δ-lactones calopin and cyclocalopin A. The structure of the new calopin analogue was elucidated by spectroscopic methods. All compounds showed potent free radical-scavenging activity against superoxide, DPPH, and ABTS radicals with IC50 values of 1.2-5.4 μg/mL.

ISSN 

0032-0943

Link 

http://dx.doi.org/10.1055/s-2006-951722

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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