Results 131 to 140 of about 67,544 (332)
Terpenoids. VIII. Sesquiterpenoids from the Wood Oil of “Sugi” (Cryptomeria japonica D. Don) [PDF]
Shizuo Nagahama
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ABSTRACT The chemical study of the ethanolic extract from the roots of Vicia faba led to the isolation of two isoflavonoids, alfalone and 8‐O‐methylretusine, as well as a mixture of rotenoids, including clitoriacetal and clitoriacetal B, the latter of which is reported for the first time.
Victor Menezes Sipoloni+8 more
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IntroductionNew bioactive hybrid materials to prevent biofilm-induced biodeterioration are a significant challenge in indoor environments, where contaminants from microbial films compromise structural integrity and contribute to air pollution, posing ...
Guillermo P. Lopez+8 more
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Catalytic enantioselective synthesis of quaternary carbon stereocentres. [PDF]
Quaternary carbon stereocentres-carbon atoms to which four distinct carbon substituents are attached-are common features of molecules found in nature. However, before recent advances in chemical catalysis, there were few methods of constructing single ...
Overman, Larry E, Quasdorf, Kyle W
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Terpenoids and Related Compounds-XV. Triterpenoids of the bark of Rhododendron grαnde [PDF]
P. Sengupta, S. Ghosh, Miss Manju Sen
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ABSTRACT Volatile secondary metabolites in plants can serve as valuable biomarkers for the plant's health, stress response, and pest or disease detection. We have investigated the volatilome of Acer saccharum (sugar maple) leaves using two complementary extraction techniques: headspace‐solid phase micro‐extraction coupled with gas chromatography‐mass ...
Jean‐Christophe Séguin+2 more
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IntroductionBlumea balsamifera, a half-woody plant belonging to the Asteraceae family, is valued as both a medicinal and industrial crop primarily for its phytochemical component, (-)-borneol.
Yuan Yuan+9 more
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Optimatization of Sucrose and Aspartame Composition as Sweetening Agent in Mengkudu Fruit Ethanolic Extract Effervescent-tablet Formulation [PDF]
Mengkudu (Morinda citrifolia L.) has been widely used as traditional medicine. Its unpleasant smell and flavor urge a more acceptable dosage formulation.
Hertiani, T. (Triana)+2 more
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Nature, intracellular distribution and formation of terpenoid quinones in Euglena gracilis [PDF]
DR Threlfall, T.W. Goodwin
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The volatile profile of Betula papyrifera hardwood has been characterized using both hydrodistillation and HS‐SPME coupled with GC‐MS/FID. Hydrodistillation yields a fatty acid‐rich essential oil, while HS‐SPME reveals a broader range of low‐molecular‐weight volatiles, including aromatics and terpenoids.
David Fortier+2 more
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