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Communication | Regular issue | Vol 41, No. 8, 1995, pp.1621-1626
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7111
Betavulgarosides I, II, III, IV, and V, Hypoglycemic Glucuronide Saponins from the Roots and Leaves of Beta vulgaris L. (Sugar Beet)

Masayuki Yoshikawa, Toshiyuki Murakami, Masashi Kadoya, Hisashi Matsuda, Johji Yamahara, Osamu Muraoka, and Nobutoshi Murakami

*Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607, Japan


Five glucuronide saponins named betavulgarosides I, II, III, IV, and V were isolated from the roots and leaves of Beta vulgaris L. (Sugar beet). Their structures were elucidated on the basis of chemical and physicochemical evidence. Betavulgarosides II, III, and IV and the prosapogenol (6) were found to exhibit hypoglycemic effect on oral glucose tolerance test in rats.