A new sulphated flavone and other phytoconstituents from the leaves of Tetracera indica Merr. and their alpha-glucosidase inhibitory activity

• Main Authors: Alhassan, Alhassan Muhammad, Ahmed, Qamar Uddin, Latip, Jalifah, Shah, Syed Adnan Ali
• Format: Article
• Language: English; English; English; English
• Published: Taylor and Francis 2019
• Subjects: QE Geology
• Online Access: http://irep.iium.edu.my/62515/9/62515%20A%20new%20sulphated%20flavone_Alhassan%20and%20Qamar%20Uddin%20Ahmed.pdf; http://irep.iium.edu.my/62515/20/62515_A%20new%20sulphated%20flavone%20and%20other%20phytoconstituents_MYRA.pdf; http://irep.iium.edu.my/62515/21/62515_A%20new%20sulphated%20flavone%20and%20other%20phytoconstituents_SCOPUS.pdf; http://irep.iium.edu.my/62515/22/62515_A%20new%20sulphated%20flavone%20and%20other%20phytoconstituents_WOS.pdf; http://irep.iium.edu.my/62515/; https://www.tandfonline.com/doi/abs/10.1080/14786419.2018.1437427?journalCode=gnpl20

The bioactivity guided fractionation of Tetracera indica leaves crude ethanolic extract has afforded the isolation and characterization of six compounds including a new natural product viz., 5,7-dihydroxyflavone-O-8-sulphate (1) and five known flavonoids (2–6). The structures of the compounds were e...