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Study on extraction process of dietary fiber from navel orange residue

Luo Xu-zhong

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Abstract

Navel orange residue was used as raw material for extraction of dietary fiber(DF) by alkali solution.On the basis of single factor experiments,the extraction process of dietary fiber was discussed with L9(34) orthogonal experiments and the optimum parameters were confirmed as follows: NaOH concentration 8%,extraction temperature 60℃,extraction time 5h,ratio of liquid tomaterial 15ml/g.Under these conditions,the extraction rate of dietary fiber was 52.8%,and soluble dietary fiber(SDF) and insoluble dietary fiber(IDF) accounted for 25.7% and 27.1%,respectively.The water-holding capacity and expansive capacity of the product were 8.59g/g and 9.67ml/g,respectively.

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What this paper is about

Navel orange residue was used as raw material for extraction of dietary fiber(DF) by alkali solution.On the basis of single factor experiments,the extraction process of dietary fiber was discussed with L9(34) orthogonal experiments and the optimum parameters were confirmed as follows: NaOH concentration 8%,extraction temperature 60℃,extraction time 5h,ratio of liquid tomaterial 15ml/g.Under these conditions,the extraction rate of dietary fiber was 52.8%,and soluble dietary fiber(SDF) and insoluble dietary fiber(IDF) accounted for 25.7% and 27.1%,respectively.The water-holding capacity and expansive capacity of the product were 8.59g/g and 9.67ml/g,respectively.

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Available abstract

Navel orange residue was used as raw material for extraction of dietary fiber(DF) by alkali solution.On the basis of single factor experiments,the extraction process of dietary fiber was discussed with L9(34) orthogonal experiments and the optimum parameters were confirmed as follows: NaOH concentration 8%,extraction temperature 60℃,extraction time 5h,ratio of liquid tomaterial 15ml/g.Under these conditions,the extraction rate of dietary fiber was 52.8%,and soluble dietary fiber(SDF) and insoluble dietary fiber(IDF) accounted for 25.7% and 27.1%,respectively.The water-holding capacity and expansive capacity of the product were 8.59g/g and 9.67ml/g,respectively.

Key concepts: Dietary fiber, Navel orange, Residue (chemistry), Chemistry, Raw material, Expansive, Extraction (chemistry), Orange (colour)

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