Studies on Chemical Composition of Some Egyptian and Chinese pumpkin (Cucurbita maxima) Seed Varieties
Journal Title: Journal of Plant Science and Research - Year 2015, Vol 2, Issue 2
Abstract
The chemical composition of seeds of three pumpkin varieties (Cucurbita maxima)kafr el-batikh, kafrsaadof Egyptian origin and a ChineseHongli variety were studied for the contents of moisture,crude fiber, proteins, oils, carbohydrates and ashon dry weight basis.Studies were also carried out on aminoacid profile, fatty acids and minerals contents. The results of chemical composition indicate that moisture percentage in these varieties ranged between 3.38 to 5.53%, and contains crude fiber (4.124.69%),total lipids(35.2-41.95%), crude protein (34.19- 39.75%), total carbohydrate (4.8-10.96%) and ash (4.22-5.3%). Amino acid analysis revealed that seeds of these varieties have higher level of Glutamic Acid ranging from 33.03 to 34.76g/100g protein. The fatty acid composition of the oils indicated the predominance of oleic fatty acid (50.0%) in kafr el-batikh oil. Both the Egyptian varieties were prominent in linoleic (24.82 and 29.5%), palmitic (16.56 and 15.60%) and stearic acid (6.93and 7.50%) contents while Hongli variety was predominant inarachidonicfatty acid(42.94%). The seeds of these varieties contained variable amounts of minerals elements (mg/100g dry weight basis) such as potassium (260,208.3 and267), magnesium (96.85,60.95 and 88), manganese (0.852, 0.594 and 0.803), zinc (2.20,1.72 and 2.18), iron (17.0,18.5 and 10.5), copper (0.49, 0.39 and 0.397) respectively indicating the mineral richness in kafr el-batikh.
Authors and Affiliations
Al-Anoos IM
Keywords
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