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单词 triterpenoid
释义

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triterpenoid
triterpenoid n.
Brit. /(ˌ)trʌɪˈtəːpənɔɪd/
,
U.S. /ˌtraɪˈtərpəˌnɔɪd/
a triterpene or a derivative of one.
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triterpene1902
triterpenoid1932
1932 Chem. Abstr. 26 3244 (heading) Contribution to the accurate determination of the empirical formulas of several triterpenes and triterpenoids.
1978 Nature 16 Mar. 217/1 Polycyclic triterpenoids are found in petroleum and their presence was at first taken as evidence of non-marine contribution, as they had been detected in the lipid extract of ferns.
extracted from tri-comb. form
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