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03-04-2026
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CHEMICAL CONSTITUENTS FROM THE PROPOLIS OF THE STINGLESS BEE LEPIDOTRIGONA TERMINATA (SMITH, 1878) COLLECTED IN GIA LAI. (2026). Tạp Chí Dược liệu, 31(1+2), pp. 17 - 22. https://doi.org/10.63240/jmm-nimm.2026.1+2.198
CHEMICAL CONSTITUENTS FROM THE PROPOLIS OF THE STINGLESS BEE LEPIDOTRIGONA TERMINATA (SMITH, 1878) COLLECTED IN GIA LAI
DOI:
https://doi.org/10.63240/jmm-nimm.2026.1+2.198Từ khóa:
Lepidotrigona terminata, Triterpene, Diterpene, Lignan, PhenolicTóm tắt
Six compounds, including gracilol A (1), dipterocarpol (2), 8-hydroxylabdan-15-oic acid (3), (E)-1-(2-methoxy-4ʹ,5ʹ-dihydroxyphenyl)-3-phenylprop-2-ene (4), (+)-eudesmin (5), and (-)-epi-eudesmin (6), were isolated from propolis of stingless bee Lepidotrigona terminata (Smith, 1878) collected in Van Duc, Gia Lai province. The structures of isolated compounds 1−6 were elucidated by spectroscopic (NMR, MS) analysis and comparison with previous literature. This is the first report on the NMR data of compounds 1 and 4.
