A new diterpenoid from the leaves of Clerodendron trichotomum.

Masateru Ono, Chisato Furusawa, Kana Matsumura, Sayuri Noguchi, Shin Yasuda, Masafumi Okawa, Junei Kinjo, Masashi Eto, Koki Yamaguchi, Hitoshi Yoshimitsu, Toshihiro Nohara

Journal of natural medicines 2013 Apr

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A new diterpenoid was isolated from the leaves of Clerodendron trichotomumThunb. (Verbenaceae) along with one each of a known diterpenoid, phenylethanoid glycoside, and sterol and two known flavonoids. Their chemical structures were characterized on the basis of spectroscopic data and X-ray analysis. In addition, their antioxidant activities were evaluated using four different analyses.

Citation

Masateru Ono, Chisato Furusawa, Kana Matsumura, Sayuri Noguchi, Shin Yasuda, Masafumi Okawa, Junei Kinjo, Masashi Eto, Koki Yamaguchi, Hitoshi Yoshimitsu, Toshihiro Nohara. A new diterpenoid from the leaves of Clerodendron trichotomum. Journal of natural medicines. 2013 Apr;67(2):404-9