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Physical Properties of Dietary Fiber from Apple-pear Pomace

LI Fan-zhu

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Abstract

Physical properties and compositions of dietary fiber sources(DFS) from Apple-pear pomace by chemical method were studied.The results showed that the cellulose content of DFS prepared from apple-pear pomace is high,reaching 40%,and phenolic compound content is 0.37 to 0.58mg/g.The water-holding capacity and oil absorption are 3.96 to 6.75 g/g and 1.80 to 2.84 g/g,respectively,and the swellability is 3.05 to 5.17 ml/g.The water-holding capacity,oil absorption and swellability of DFS reduce with the particle size decreasing,but L value shows reverse result.

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What this paper is about

Physical properties and compositions of dietary fiber sources(DFS) from Apple-pear pomace by chemical method were studied.The results showed that the cellulose content of DFS prepared from apple-pear pomace is high,reaching 40%,and phenolic compound content is 0.37 to 0.58mg/g.The water-holding capacity and oil absorption are 3.96 to 6.75 g/g and 1.80 to 2.84 g/g,respectively,and the swellability is 3.05 to 5.17 ml/g.The water-holding capacity,oil absorption and swellability of DFS reduce with the particle size decreasing,but L value shows reverse result.

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Available abstract

Physical properties and compositions of dietary fiber sources(DFS) from Apple-pear pomace by chemical method were studied.The results showed that the cellulose content of DFS prepared from apple-pear pomace is high,reaching 40%,and phenolic compound content is 0.37 to 0.58mg/g.The water-holding capacity and oil absorption are 3.96 to 6.75 g/g and 1.80 to 2.84 g/g,respectively,and the swellability is 3.05 to 5.17 ml/g.The water-holding capacity,oil absorption and swellability of DFS reduce with the particle size decreasing,but L value shows reverse result.

Key concepts: Pomace, PEAR, Food science, Chemistry, Absorption of water, Cellulose, Dietary fiber, Fiber

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