fructan


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fructan

(ˈfrʌktən)
n
(Biochemistry) a type of polymer of fructose, present in certain fruits
References in periodicals archive ?
ABPS is a graminans-type fructan that contains a [beta]-D fructofuranosyl backbone having residues linked (2 [right arrow] 1)- and (2 [right arrow] 6)- with branches and an [alpha]-D-glucopyranose residue on the nonreducing end of the fructan chain (Jin et al.
Summary: Vitasoy Lite Plus offers 30% DV calcium, Fructan to boost calcium absorption, 4 grams fiber, less calories & sugar, low fat and gluten free
Nutrient digestibilities, microbial populations, and protein catabolites as affected by fructan supplementation of dog diets.
Genetic technologists in Holland (Institute of Molecular Plant Sciences, Leiden University, Clusius Laboratory, Wassenaarseweg 64, 2333 AL Leiden, The Netherlands) have engineered the sugar beet to produce fructan, a low-calorie sugar alternative, instead of sucrose.
It sprouts early in the fall, stays green during the winter, and puts on new growth earlier in the spring because it is able to use fructan as an alternative energy source," he says.
Sucrose, glucose, and fructose, along with the oligosac- charide fructan, are the primary energy reserves for cereal grains, he explains.
The scientists engineered the plants to express the SacB gene, which codes for fructan production in the bacterium Bacillus subtilis.
Through addition of extra fructan genes, sugar beets can also be induced to synthesize other fructans, like long-chain, branched fructans," says study coauthor Andries J.
It appears that the cells were breaking down fructan - a stored sugar that's a chain of fructose linked to sucrose molecules - and moving it into the space between the cells.
Manufacturers of fructan prebiotics have done a lot of work in describing the effects of including prebiotics such as fructo-oligosaccharides (FOS) and inulin in companion animals," notes the analyst of this research.
annual ryegrass contains a high concentration of fermentable carbohydrates in stems and approximately 50% of sugar is present as fructan (McGrath, 1988).