Propolins and glyasperin a from stingless bee nests

Propolins and glyasperin a from stingless bee nests

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 mi...

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Bibliographic Details
Main Authors: Ragasa, Consolacion Y., Galian, Richard Anthony F., Ebajo, Virgilio D., Aguda, Remil M., Cervancia, Cleofas R., Shen, Chien Chang
Format: text
Published: Animo Repository 2015
Subjects:
Propolis > Philippines
Bees—Housing
Beehives
Chemistry
Online Access:https://animorepository.dlsu.edu.ph/faculty_research/3393
https://animorepository.dlsu.edu.ph/context/faculty_research/article/4395/type/native/viewcontent/j.bjp.2015.03.006
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Institution: De La Salle University
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Summary: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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