COMPARATIVE PROXIMATE ANALYSIS OF SOME DATE PALM CULTIVARS (Phoenix dactylifera l.)

Salisu Bello Sadau, Zainab Musa Bako, Murtala Muhammad Namadina, Sani Ibrahim

Abstract


Comparative proximate analyses of five samples of date palm cultivars Phoenix dactyliferawere carried out. The proximate analysis, mineral composition and vitamin C content of the fruit flesh were evaluated. The moisture and ash were determined using oven drying method. Crude protein (Kjeldahl method), crude fat (dry extraction method), fibre (Acid alkaline digestion method), sugar (phenol sulphuric acid).Calcium and Magnesium (by atomic absorption spectrometry), Sodium (Flame photometry and Vitamin C using dichlorophenol-indophenol. The result of the analysis shows that sucker seed garden had the highest amount of fibre (2.17g/100g), crude fat (0.59g/100g), and Magnesium content (2482.42mg/kg). F4 R16 GPIII had the highest amount of crude protein (3.45g/100g), sugar (79.40%), and Calcium content (13012.43mg/kg). Based on this analysis conducted, it was concluded that sucker seed garden and F4 R16GPIII had the highest nutritional contents in most of the nutrients assessed. It was also observed that base on this analyses, date palm contains many minerals in the fruit such as sodium, potassium, calcium and magnesium in considerable amount. However, it was also seen that the different cultivars of dates contain different amount of nutrient. It was suggested that antioxidants and phytochemicals analysis of this fruit should be carried out to reveal the bioactive compounds present in it and proper research on medicinal and health benefit comparing different varieties of date palm is encouraged to be carried out by other researchers.


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