title: New chrodrimanin congeners, chrodrimanins D-H, from YO-2 of Talaromyces sp.
abstract: Four new meroterpenoids, named chrodrimanins D-G (4-7), and one known compound, renamed chrodrimanin H (8), were isolated from okara (the insoluble residue of whole soybean) that had been fermented with the YO-2 strain of Talaromyces sp. Their structures were elucidated by spectroscopic methods. Chrodrimanins D (4), E (5), and F (6) showed insecticidal activity against silkworms with respective LD(50) values of 20, 10, and 50 µg/g of diet.
authors.affiliation: Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan. hayashi@biochem.osakafu-u.ac.jp
authors.forename: Hideo
authors.initials: H
authors.lastname: Hayashi
authors.forename: Yuki
authors.initials: Y
authors.lastname: Oka
authors.forename: Kenji
authors.initials: K
authors.lastname: Kai
authors.forename: Kohki
authors.initials: K
authors.lastname: Akiyama
mesh_terms: D000818:Animals; D012831:Bombyx / Q000187:drug effects / Q000254:growth & development; D004032:Diet; D005285:Fermentation; D007306:Insecticides / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology; D007814:Larva / Q000187:drug effects / Q000254:growth & development; D007928:Lethal Dose 50; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D013025:Glycine max / Q000737:chemistry*; D032901:Talaromyces / Q000737:chemistry* / Q000378:metabolism; D013729:Terpenes / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology
chemical_list: D007306:Insecticides; D013729:Terpenes