Fructan and free fructose content of common Australian vegetables and fruit.

Muir, J.G. and Shepherd, S.J. and Rosella, O. and et al, . (2007) Fructan and free fructose content of common Australian vegetables and fruit. Journal of Agricultural and Food Chemistry , 55 (16). pp. 6619-6627.

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Fructans are not digested in the small intestines of humans. While many health benefits have been attributed to these carbohydrates, they can cause gastrointestinal symptoms in some individuals. We measured the total fructans in 60 vegetables and 43 fruits using the Megazyme fructan assay. Vegetables with the highest quantity of fructans included garlic, artichoke, shallots, leek bulb, and onions (range, 1.2-17.4 g/100 g fw). Fruits with low, but detectable, fructans included longon, white peach, persimmon, and melon (range, 0.21-0.46 g/100 g fw). The fructan assay was modified to provide an estimate of the average chain length (degree of polymerization) for high fructan vegetables. D-Fructose can also be malabsorbed in the small intestine of humans, so the D-fructose content in some foods was measured to supplement the current food tables. Research in this area will be facilitated through the availability of more comprehensive food composition data.

Item Type: Article
Uncontrolled Keywords: Fructan, fructose, food composition, vegetables, fruit
Author Affiliation: Department of Medicine, Monash University,Australia.
Subjects: Postharvest Management > Food Technology
Divisions: Other Crops
Depositing User: Mr Arbind Seth
Date Deposited: 21 Nov 2012 10:31
Last Modified: 21 Nov 2012 10:32
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