[Polar constituents of the ascidia Botryllus schlosseri].
Eighteen compounds were identified by GC-MS of their trimethylsilyl derivatives in n-butanolic extract from the biomass of Botryllus schlosseri. Three of them, 5-oxoproline, 5-hydroxyhydantoin, and kinurenic acid, were found in marine invertebrates for the first time. In addition to cellulose, the biomass was also shown to contain complex water-soluble sulfated polysaccharides. These were extracted and fractionated, and sulfate content and monosaccharide composition were determined in the fractions; fucose, xylose, galactose, mannose, glucose, glucosamine, galactosamine, and uronic acids were found. Unlike several other tunicate species, Botryllus schlosseri does not seem to contain any simple galactan sulfate.
Usov
A I
AI
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii prosp. 47, GSP-1 Moscow, 119991 Russia. usov@ioc.ac.ru
Slanchev
K I
KI
Smirnova
G P
GP
Ivanova
A P
AP
Stefanov
K L
KL
Popov
S S
SS
Andreev
S N
SN
D000818:Animals; D000440:Butanols / Q000737:chemistry; D008401:Gas Chromatography-Mass Spectrometry; D006827:Hydantoins / Q000032:analysis / Q000737:chemistry; D007736:Kynurenic Acid / Q000032:analysis / Q000737:chemistry; D011134:Polysaccharides / Q000032:analysis* / Q000737:chemistry; D011761:Pyrrolidonecarboxylic Acid / Q000032:analysis / Q000737:chemistry; D014561:Urochordata / Q000737:chemistry*
D000440:Butanols; D006827:Hydantoins; D011134:Polysaccharides; D007736:Kynurenic Acid; D011761:Pyrrolidonecarboxylic Acid