Water-holding capacity is an important property of dietary fibre, from both physiological and technological standpoints. This
property shows the ability of a moist material to retain water when subjected to an external centrifugal gravity force or compression. It consists of the sum of bound water, hydrodynamic water and,mainly, physically trapped water. Pineapple
and passion fruit DF concentrates showed the highest (p < 0.05) WHC of all exotic fruit co-products analysed with values of 14.6 and 13.5 g water/g fibre, respectively. Mango DF concentrate had the lowest (p < 0.05) WHC among the co-products. Generally, the water holding capacity of each fibre concentrate correlates with the amount of insoluble fibre and to the granulometry of the coproducts. The exotic fruit DF concentrates showed a higher WHC than those of cereals, which showed less than 5.5 g water/g fibre, e.g., rice bran (5.21 g water/g fibre), durum wheat (1.5–2.1 g water/g fibre) .
Water-holding capacity is an important property of dietary fibre, from both physiological and technological standpoints. This
property shows the ability of a moist material to retain water when subjected to an external centrifugal gravity force or compression. It consists of the sum of bound water, hydrodynamic water and,mainly, physically trapped water. Pineapple
and passion fruit DF concentrates showed the highest (p < 0.05) WHC of all exotic fruit co-products analysed with values of 14.6 and 13.5 g water/g fibre, respectively. Mango DF concentrate had the lowest (p < 0.05) WHC among the co-products. Generally, the water holding capacity of each fibre concentrate correlates with the amount of insoluble fibre and to the granulometry of the coproducts. The exotic fruit DF concentrates showed a higher WHC than those of cereals, which showed less than 5.5 g water/g fibre, e.g., rice bran (5.21 g water/g fibre), durum wheat (1.5–2.1 g water/g fibre) .
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