Abstract：
:From leaves of Psychotria leiocarpa, an indole alkaloid was isolated to which the structure N,beta-D-glucopyranosyl vincosamide (1) was assigned. This represents the first report of an N-glycosylated monoterpenoid indole alkaloid. In field-grown plants highest amounts of 1 were found in the leaves (2.5% of dry wt) and fruit pulp (1.5% dry wt). Lower amounts were found in the stems (0.2% dry wt) and the seeds (0.1% of dry wt), whereas the alkaloid was not detected in the roots. The accumulation of 1 in aseptic seedlings was also restricted to the shoots and increased with plant age and light exposure, independent of the supply of sucrose in the culture medium.
journal_name
Phytochemistryjournal_title
Phytochemistryauthors
Henriques AT,Lopes SO,Paranhos JT,Gregianini TS,Von Poser GL,Fett-Neto AG,Schripsema Jdoi
10.1016/j.phytochem.2003.10.027subject
Has Abstractpub_date
2004-02-01 00:00:00pages
449-54issue
4eissn
0031-9422issn
1873-3700pii
S0031942203006745journal_volume
65pub_type
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