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Antioxidant and Anticancer Constituents from the Leaves of Liriodendron tulipifera
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Antioxidant and Anticancer Constituents from the Leaves of Liriodendron tulipifera
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Journal Article
Antioxidant and Anticancer Constituents from the Leaves of Liriodendron tulipifera
2014
Overview
Sixteen compounds were extracted and purified from the leaves of Liriodendron tulipifera. These compounds include aporphines, oxoaporphine, coumarin, sesquiterpene lactone, benzenoids, cyclitol and steroids. (+)-Norstephalagine (2) (an aporphine) and scopoletin (8) (a coumarin) were isolated from Liriodendron tulipifera leaves from the first time. The identified compounds were screened for their antiradical scavenging, metal chelating and ferric reducing power activities. The results have showed that these compounds have antioxidative activity. The study has also examined the chemopreventive property of the isolated compounds against human melanoma cells A375. The results shown that (−)-anonaine (1), (−)-liridinine (3), (+)-lirinidine (6), lysicamine (7) and epitulipinolide diepoxide (9) significantly inhibited the proliferation of melanoma cells. These results revealed that these compounds have antioxidative activity and chemopreventive activity in skin melanoma cells.
Publisher
MDPI AG,MDPI
Subject
/ Acids
/ Alkaloids - isolation & purification
/ Antineoplastic Agents, Phytogenic - isolation & purification
/ Antineoplastic Agents, Phytogenic - pharmacology
/ Antioxidants - isolation & purification
/ Aporphines - isolation & purification
/ Dioxoles - isolation & purification
/ Humans
/ Melanoma
