نتایج جستجو برای: hypericum lydium

تعداد نتایج: 2317  

2016
Carolina Diller Charles B. Fenster

Corolla chirality, the pinwheel arrangement of petals within a flower, is found throughout the core eudicots. In 15 families, different chiral type flowers (i.e., right or left rotated corolla) exist on the same plant, and this condition is referred to as unfixed/enantiomorphic corolla chirality. There are no investigations on the significance of unfixed floral chirality on directed pollen move...

Journal: :Fitoterapia 2015
Michel Feussi Tala Ferdinand Mouafo Talontsi Guang-Zhi Zeng Hippolyte Kamdem Wabo Ning-Hua Tan Michael Spiteller Pierre Tane

Bioassay guided fractionation of Hypericum riparium leaves extract has resulted in the isolation and characterization of three new compounds namely chipericumin E (1), hyperenone C (3), and hyperixanthone (5), together with twenty known compounds. Their structures were elucidated based on comprehensive interpretation of spectroscopic and spectrometric data. Compounds 1-4, and 6-8 displayed mode...

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Journal: :Chinese Journal of Organic Chemistry 2019

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