Journal of separation science, 31(2), 268-275 (2008-01-16)
A method based on ultrasonic extraction (USE) followed by LC-MS is presented for the determination of vitexin and isovitexin in pigeonpea extracts in this study. The influential parameters of the USE procedure were optimized, and the optimal conditions were as
Journal of ethnopharmacology, 142(3), 776-781 (2012-06-12)
The leaves of Ficus deltoidea are used as a traditional medicine by diabetes patients in Malaysia. The objective of the study is to identify and evaluate bioactive constituents with in vivo α-glucosidase inhibition. The partitioned extracts, subfractions and pure bioactive
Journal of chromatography. A, 1139(2), 206-213 (2006-12-05)
Vitexin and isovitexin are a pair of isomeric compounds known as the major constituents in pigeonpea leaves and possess various pharmacological activities. In the present study, the preparative separation of vitexin and isovitexin with macroporous resins (Nankai Hecheng S &
Four phenolics, salviaplebeiaside (1), γ-tocopherol (2), chrysosplenol-D (4), and isovitexin (5), along with α-tocoquinone (3) and β-sitosterol (6) were isolated from the aerial parts of Vitex negundo var. cannabifolia. The isolation was performed using bio-assay tracking experiments. The structures of
HPTLC fingerprinting enables rapid identification of passion flower with related reference materials.
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