PULOSARIOSIDE, A NEW BITTER TRIMERIC-IRIDOID DIGLUCOSIDE, FROM AN INDONESIAN JAMU, THE BARK OF ALYXIA REINWARDTII BL.(APOCYNACEAE)

Isao Kitagawa; Hirotaka Shibuya; Nam In Baek; Yoshihiro Yokokawa; Aya Nitta; Harry Wiriadinata; Masayuki Yoshikawa

doi:10.1248/cpb.36.4232

PULOSARIOSIDE, A NEW BITTER TRIMERIC-IRIDOID DIGLUCOSIDE, FROM AN INDONESIAN JAMU, THE BARK OF ALYXIA REINWARDTII BL.(APOCYNACEAE)

Isao Kitagawa, Hirotaka Shibuya, Nam In Baek, Yoshihiro Yokokawa, Aya Nitta, Harry Wiriadinata, Masayuki Yoshikawa

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Keywords: pulosarioside, trimeric-iridoid diglucoside, Indonesian Jamu, Alyxia reinwardtii, Apocynaceae, (+)-pinoresinol glucoside, loganin

JOURNAL FREE ACCESS

1988 Volume 36 Issue 10 Pages 4232-4235

DOI https://doi.org/10.1248/cpb.36.4232

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Abstract

A new bitter trimeric-iridoid diglucoside named pulosarioside (1) was isolated from an Indonesian folk-medicine (Jamu, “pulosari” ), the air-dried bark of Alyxia reinwardtii BL.(Apocynaceae), and the absolute configuration of 1 has been determined on the basis of chemicaland physicochemical evidence.

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