ASSESSMENT OF PHYSICO-CHEMICAL PROPERTIES AND MINERAL CONSTITUENTS OF BANANA GROWN IN DINAJPUR

Abstract

Banana is one of the most popular desert fruits, which is available throught the year. In terms of per capita consumption, its rate is higher than any other fruits in Bangladesh. The study was conducted to determine the nutritional constituents of selected varieties of banana such as Sabri (desi), Sabri (hybrid), Amritsagar, Chini Champa, Modhua and many local varieties available in the Dinajpur district. Each value represents the average of five replications. The physico-chemical properties studied included moisture, titrable acidity, total soluble solids, fiber and ash with the value ranges of 69.78-79.65%, 0.32-0.48%, 13.36- 19.08%, 15.20 21.76 ºBrix, 0.45%-0.95%, 0.25%-0.94% respectively. The maximum moisture (79.65%) and ash (0.94%) was found in Amritsagar. Modhua had a maximum total soluble solids (23.76 ºBrix).Chini Champa contain maximum fiber (0.95%) The bio-chemical properties of different varieties of banana showed protein, total sugar, fat, β-carotene, vitamin A and vitamin C with a value of 1.35-3.12%, 13.36-19.08%, 0.04-0.11%, 0.023-0.093mg/100gm, 3.29-5.55mg/100gm and 3.19-4.88mg/100g respectively. Sabri (desi) had a higher value of the total sugar (19.08%). Sabri (hybrid) contained the highest amount of protein (3.12%) and Chini Champa contained a higher amount of fat (0.11%). The β-carotene (0.093mg/100gm) and vitamin A 5.55mg/100gm content were excellent in Amritsagar. The vitamin C (4.88 mg/100g) was higher amount in Sabri (desi). The mineral nutrients were studied included calcium, magnesium, phosphorus, and potassium with the range of 10.00 20.04mg/100g, 30.33-32.42mg/100g, 12.11-21.78mg/100g and 69.04-53.39mg/100g respectively. The calcium (20.04 mg/100g) and phosphorus (21.78 mg/100g) were found higher amount in Sabri (desi). The maximum potassium (69.04mg/100g) found in Amritsagar and Modhua contained higher amount of magnesium (32.42mg/100g). The overall assessment of the experiment, Sabri (desi) and Sabri (hybrid) contained nearly similar amount most of the nutrients. Sabri (hybrid) contained highest amount of protein (3.12%) and most of the important nutrients such as Vit C, Ca, Mg, fiber etc. found in good amounts which are beneficial for healthy dietary persons and its yield was higher than other selected variety. On the perspective of farming income and healthy dietary persons, Sabri (hybrid) can be recommended for cultivation in farmer level.