TRITERPENOIDS FROM PISOLITHUS-TINCTORIUS ISOLATES AND ECTOMYCORRHIZAS

Authors
BAUMERT A SCHUMANN B PORZEL A SCHMIDT J STRACK D
Citation
A. Baumert et al., TRITERPENOIDS FROM PISOLITHUS-TINCTORIUS ISOLATES AND ECTOMYCORRHIZAS, Phytochemistry, 45(3), 1997, pp. 499-504
Citations number
14
Categorie Soggetti
Plant Sciences
Journal title
Phytochemistry → ACNP
ISSN journal
00319422
Volume
45
Issue
3
Year of publication
1997
Pages
499 - 504
Database
ISI
SICI code
0031-9422(1997)45:3<499:TFPIAE>2.0.ZU;2-U
Abstract
Two new triterpenoids have been identified by spectroscopic methods fr om mycelia of Pisolithus tinctorius as 24-ethyllanosta-8,24(24(1))-die ne-3 beta,22 xi-diol and (22S)-24,24-dimethyllanosta-8-en-22,24(1)-epo xy-3 beta-ol-24(1)-one (25-methylpisolactone) along with the two known triterpenoids 24-methyllanosta-8,24(24(1))-diene-3 beta,22 xi-diol an d (22S)-24-methyllanosta-8-en-22,24(1)-epoxy-3 beta-ol-24(1)-one (piso lactone). Quantification of these compounds in fungal isolates (surfac e and suspension cultures) and Pinus sylvestris ectomycorrhizas showed that the amount of the new triterpenoids was markedly higher in the m ycorrhizas as in the isolates. (C) 1997 Elsevier Science Ltd.