Title

Propolins and glyasperin a from stingless bee nests

College

College of Science

Department/Unit

Chemistry

Document Type

Article

Source Title

Revista Brasileira de Farmacognosia

Volume

25

Issue

2

First Page

177

Last Page

179

Publication Date

7-7-2015

Abstract

Chemical investigation of the dichloromethane extracts of the propolis collected from bee (Tetragonulabiroi Friese) hives in San Roque, Sorsogon, Philippines afforded propolin A (1), propolin E (2), propolinH (3), glyasperin A (4), squalene, a mixture of lupeol, α-amyrin and β-amyrin, and another mixtureof urs-12-en-3-one, olean-12-en-3-one and lup-12-en-3-one. The structures of 2–4 were elucidated byextensive 1D and 2D (COSY, HSQC, and HMBC) NMR spectroscopy, while 1 was identified by comparisonof its NMR data with 2. © 2015 2015 Sociedade Brasileira de Farmacognosia. Published by Elsevier Editora Ltda. All rights reserved.

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Digitial Object Identifier (DOI)

10.1016/j.bjp.2015.03.006

Disciplines

Chemistry

Keywords

Propolis--Philippines; Bees—Housing; Beehives

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