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Antioxidants from Lespedeza homoloba. (I)

1999; Elsevier BV; Volume: 52; Issue: 2 Linguagem: Inglês

10.1016/s0031-9422(99)00195-8

1873-3700

Toshio Miyase, Mitsuaki Sano, Kyoji Yoshino, Kazuhiko Nonaka,

Sesquiterpenes and Asteraceae Studies

The stems of Lespedeza homoloba yielded eight new and three known phenolic compounds. Their structures have been elucidated on the basis of their spectral data. These compounds had strong antioxidative activity against lipid peroxidation in the rat brain homogenate test. 3,9-Dihydroxypterocarp-6a-en and lespedezol A2 showed significant antiallergic activity in allergic (type I) mice.