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236863

EVALUAYION OF SOME FOOD PROCESSING WASTES AS SOURCES OF DIETARY FIBERS

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Last updated: 22 Jan 2023

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Abstract

This work was a trial to utilize the most important wastes remaining alter the processing of grape , mango . peach and tomato fruits as source of dietary fibers .The obtained results reveal that all tested peel had high values of water and fat absorption and no foaming stability values as well as fruits peel had adequate amounts of minerals and are considered as sufficient sources of minerals for human nutrition. Grape peel had noticeable amounts of calcium and iron ( 1517.72 and 87.27 mg i 100 gm . respectively) while. tomato and peach peel had the highest contents of zinc (157.37 and 67.33 mg l 100 gm . respectively). Tomato and mango peel had the highest contents of total carotenoids (4392.74 and 3852.01 mg/100 gm, respectively) compared with those of the peach and grape . Peach and mango peel residues had the highest amounts of total dietary fibers (TDF) ( 76.320 and 62.687% .respectively) Peach peel had the highest content of pectin ( soluble dietary fibers ) ( 39.712 %) , which recorded more three folds ( 12.147 94. ) than mango peel pectin content . This means that peach peel can be used as a new commercial source for production of pectin compared with citrus peel and apple pomace. Moreover. total dietary fibers of all tested fruits peel ranged from 55.886 to 78.06 9': on dry weight basis . This leads to the possibility to convert some waste materials such as grape . mango. peach and tomato peel to beneficial materials with high nutritional and functional properties. Also, this will improve the environmental ecology of industry by recycling its by—products and decrease the problems of pollution from the industrial wastes . Utilization of these wastes will be solve one of the environmental pollution problems in food industries. Finally . it could be concluded that the four sources used in this study are considered as rich sources of dietary fibers .

DOI

10.21608/jfds.2006.236863

Keywords

Food processing wastes, dietary fibers, Grape pomace . Mango peel, Peach peel . Tomato peel

Authors

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Last Name

EI-Refal,

MiddleName

A.

Affiliation

Food Industries Dept.ll Fac. of Agric... Mansoura Univ... Egypt.

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Orcid

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First Name

Amal

Last Name

El-Bastawesy

MiddleName

M.

Affiliation

Food Technology Research Institute, Agric. Res. Center , Giza

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First Name

M.

Last Name

Zakaria

MiddleName

M.

Affiliation

Food Technology Research Institute, Agric. Res. Center , Giza

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Volume

31

Article Issue

10

Related Issue

34112

Issue Date

2006-10-01

Receive Date

2006-09-17

Publish Date

2006-10-01

Page Start

6,505

Page End

6,515

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_236863.html

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https://jfds.journals.ekb.eg/service?article_code=236863

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3

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Original Article

Type Code

886

Publication Type

Journal

Publication Title

Journal of Food and Dairy Sciences

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https://jfds.journals.ekb.eg/

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Article

Created At

22 Jan 2023