Browsing by Author "Usha Kiran Rai"
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PublicationArticle New pairs of acyl sucroses from Petunia nyctaginiflora Juss.(Indian Chemical Society, 2004) A. Sajeli Begum; Usha Kiran Rai; Shubhra Singh; Mahendra SahaiFour new acyl sucroses, isolated from Petunia nyctaginiflora Juss. (Solanaceae) were characterised as 2,3,4-trihexanoyl-α-D-glucopyranosyl- β-D-fructofuranoside, 2,3,4-triheptanoyl-α-D-glucopyranosyl-β-D- fructofuranoside, 2,3,4-trihexanoyl-α-D-glucopyranosyl-β-D-6-acetyl fructofuranoside, 2,3,4-triheptanoyl-α-D-glucopyranosyl-β-D-6-acetyl fructofuranoside, on the basis of chemical and spectroscopic evidence.