A tocotrienol quinone dimer and xanthones from the leaf extract of Garcinia nigrolineata.

Affiliation

Center of Chemical Innovation for Sustainability (CIS), Mae Fah Luang University, Chiang Rai 57100, Thailand; School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand. Electronic address: [Email]

Abstract

Four new compounds (1-4) together with six known compounds (5-10) were isolated from the leaf extract of Garcinia nigrolineata. Compound 4 is a rare tocotrienol quinone dimer. The structures were elucidated based on NMR and MS data. All isolated compounds were evaluated for their antibacterial activities.

Keywords

Antibacterial activities,Garcinia nigrolineata,Tocotrienol,Xanthone,