Iridoids from Gardenia jasminoides Ellis
نویسندگان
چکیده
Three new iridoids, Gardenal-I (1), Gardenal-II (2) and Gardenal-III (3), together with nine known iridoid glycosides; geniposide (4), 6-β-hydroxy geniposide (5), 6-α-hydroxy geniposide (6), 6-α-methoxy geniposide (7), feretoside (8), genipin-1-β-gentiobioside (9), shanzhiside (10), lamalbidic acid (11) and picrocrocinic acid (12) were isolated from EtOH extract of G. gasminoides. The structures of the new and known compounds were elucidated on the basis of 1D and 2D-NMR spectroscopic techniques and available literature survey. The isolated compounds (1-12) were tested for antimicrobial and antiprotozoal activities.
منابع مشابه
Iridoid-specific glucosyltransferase from Gardenia jasminoides.
Iridoids are one of the most widely distributed secondary metabolites in higher plants. They are pharmacologically active principles in various medicinal plants and key intermediates in the biosynthesis of monoterpenoid indole alkaloids as well as quinoline alkaloids. Although most iridoids are present as 1-O-glucosides, the glucosylation step in the biosynthetic pathway has remained obscure. W...
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