Affiliation:
1. Food Technology Department, College of Agriculture, Tarbiat Modares University P.O. Box 14115-111, Tehran, Iran,
2. Food Technology Department, College of Agriculture, Tarbiat Modares University P.O. Box 14115-111, Tehran, Iran
Abstract
Thirty-four date (Phoenix dactylifera L.) varieties, from start of Tamr stage of maturity, were analyzed for moisture, protein, lipid and ash. The mean percent of moisture, protein, lipid and ash were 29.35, 3.3, 0.42 and 2.25 g/100 g (fresh weight basis), respectively. Predominant sugars were fructose (12.62—43.31 g/100 g) and glucose (16.41—54.23 g/100 g, fresh weight basis). Sucrose was not practically detected in most varieties (excepting in Zark variety). Mineral elements such as Na, Mg, K and Ca were determined by ICP atomic spectroscopy and their amounts were in the range of 4.46—47.74, 18.44—79.35, 203.61—982.97 and 23.24—73.85 mg/100 g (dry weight basis), respectively. These results were generally in agreement with those reported previously for some other varieties grown in the other dates producing countries. A few differences will be related to date variety, agro-climatic and environmental conditions.
Subject
Industrial and Manufacturing Engineering,General Chemical Engineering,Food Science
Cited by
36 articles.
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