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Polish Journal of Food and Nutrition Sciences

The Journal of Institute of Animal Reproduction and Food Research of Polish Academy of Sciences in Olsztyn

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Chemical Composition of Date-Pits and Its Potential for Developing Value-Added Product - a Review

Mohammad Zakir Hossain
  • Department of Operations Management and Business Statistics, College of Economics and Political Science, Oman
/ Mostafa I. Waly
  • Department of Food Science and Nutrition, College of Agricultural and Marine Science, Sultan, Qaboos University, P. O. Box 34, Al-Khoud 123, Sultanate of Oman, Oman
/ Vandita Singh
  • Department of Food Science and Nutrition, College of Agricultural and Marine Science, Sultan, Qaboos University, P. O. Box 34, Al-Khoud 123, Sultanate of Oman, Oman
/ Venitia Sequeira
  • Department of Food Science and Nutrition, College of Agricultural and Marine Science, Sultan, Qaboos University, P. O. Box 34, Al-Khoud 123, Sultanate of Oman, Oman
/ Mohammad Shafur Rahman
  • Corresponding author
  • Department of Food Science and Nutrition, College of Agricultural and Marine Science, Sultan, Qaboos University, P. O. Box 34, Al-Khoud 123, Sultanate of Oman, Oman
  • Email:
Published Online: 2014-12-18 | DOI: https://doi.org/10.2478/pjfns-2013-0018

Abstract

Moisture, protein, oil and carbohydrate contents of date-pits varied from 3.1-12.5, 2.3-6.9, 5.0-12.5 and 70.9-86.9 g/100 g date-pits, respectively. BET-monolayer (i.e. strongly bound) moisture content, solids-melting peak (at moisture: 6.7 g/100 g date-pits), and melting point of oil were 4.3 g/100 g dry-solids, 106oC, and 1.8oC, respectively. The major fatty acids were lauric, myristic, palmitic, stearic, oleic, and linoleic acids and polyphenol content varied from 21.0-62.0 mg/g date-pits depending on the varieties, types of solvent and temperature used for extraction. Date-pits showed effectives in animal and poultry feeds and it could be used as value added products, such as: dietary fibres, functional polysaccharides, caffeine-free drinks (similar to coffee), oil (biofuel or cooking oil), and other functional or medicinal products. Date-pits powder and activated carbon from date–pits showed effective in purifying water by removing different types of pollutants, such as heavy metals, boron, dyes, phenolic compounds, and pesticides. Date-pits also showed effective to be used as ingredient for composed, biomass, and fermentation processes.

Key words:: date-pits; dietary fbre; bioactive compounds; antioxidant; functional food; edible oil

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About the article

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Received: 2014-06-01

Revised: 2014-08-11

Accepted: 2014-09-11

Published Online: 2014-12-18


Citation Information: Polish Journal of Food and Nutrition Sciences, ISSN (Online) 2083-6007, DOI: https://doi.org/10.2478/pjfns-2013-0018. Export Citation

© 2014 Mohammad Zakir Hossain et. al.. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. (CC BY-NC-ND 3.0)

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