Chemical composition of date-pits and its potential for developing value-added product - A review

Mohammad Zakir Hossain, Mostafa I. Waly, Vandita Singh, Venitia Sequeira, Mohammad Shafur Rahman*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

75 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)215-226
Number of pages12
JournalPolish Journal of Food and Nutrition Sciences
Volume64
Issue number4
DOIs
Publication statusPublished - Dec 18 2014

Keywords

  • antioxidant
  • bioactive compounds
  • date-pits
  • dietary fbre
  • edible oil
  • functional food

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics

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