Abstract

Evidence is presented that fructan accumulation in leaves of Lolium temulentum plants grown at 5° proceeded via the synthesis of trisaccharide intermediates. Studies on the oligosaccharide components of this tissue indicated that the major intermediate was probably 1 F-fructosyl sucrose (isokestose) but that two distinct series of oligofructosides could be isolated. One of these had chromatographic properties identical to the 1,2-linked inulin series from Helianthus tuberosus. The relationship of this synthetic pattern to the structure of grass fructans and their accumulation in other species is discussed.

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