title: A biosynthetic intermediate of phytoalexins in banana fruits.
abstract: Phytoalexins of Musa balbisiana [BBB] cv Saba sa Hapon and cv Mundo fruits were compared with those of M. acuminata [AAA] cv Buñgulan fruits. Phytoalexins induced by wound and inoculation of Colletotrichum musae in these two cultivars were the same as those of Buñgulan. In the course of analysis of the phytoalexins, 2-phenyl-1,8-naphthalic anhydride, 2-(4'-methoxyphenyl)-1,8-naphthalic anhydride, and 1,2,3,4-tetrahydro-6,7-dihydroxy-1-(4'-hydroxycinnamyliden)naphthalen-2-one were found as new phytoalexins of banana fruits. This latter compound is probably a biosynthetic intermediate of phenylphenalenones in banana fruits.
authors.affiliation: Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, 606-8502, Kyoto, Japan
authors.forename: Tsunashi
authors.initials: T
authors.lastname: Kamo
authors.forename: Nagomi
authors.initials: N
authors.lastname: Kato
authors.forename: Nobuhiro
authors.initials: N
authors.lastname: Hirai
authors.forename: Mitsuya
authors.initials: M
authors.lastname: Tsuda
authors.forename: Daie
authors.initials: D
authors.lastname: Fujioka
authors.forename: Hajime
authors.initials: H
authors.lastname: Ohigashi