Abstract
Three compounds having antifeeding activities for the larvae of the yellow butterfly, Eurema hecabe mandarina DE L'ORZA, were isolated from Osmunda japonica THUNB. These compounds were identified as (4R, 5S)-osmundalactone (II), (4R, 5S)-5-hydroxy-2-hexen-4-olide (III) and succinic acid (V), of which the former is the main antifeedant in this plant. (4R, 5S)-5-Hydroxyhexan-4-olide (I) and (3S, 5S)-3-hydroxyhexan-5-olide (IV) were isolated in addition to the antifeedants, and various sterols, fatty alcohols and fatty acid esters were obtained as a mixture. This is the first report of the occurrence of I, II and III as natural products, though they have been artificially prepared.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
