Compositional, Elemental, Phytochemical and Antioxidant Characterization of Jackfruit (Artocarpus heterophyllus) Pulps and Seeds from Selected Regions in Kenya and Uganda
Redemtor Awuor Ojwang, Edward K. Muge, Betty. N. Mbatia, Benson. K. Mwanza, Dorington. O. Ogoyi
European Journal of Medicinal Plants · pp. 1–12 · Published 7 May 2018
10.9734/EJMP/2018/40967Abstract
The number of people affected by nutrition insecurity worldwide in 2016 was 815 million, according to the Food and Agriculture Organization (FAO) of the United Nations. This has been attributed to starvation and overdependence on a few crops for nutritional needs. There is therefore need to find alternative nutrition sources. This study sought to determine the nutritional profile, mineral composition, phytochemical and antioxidant properties of Jackfruit seeds and pulps, collected from selected regions in Kenya and Uganda. The moisture contents were found to be higher in the edible pulp region (62.67-70.42%), compared to the seeds (44.76-50.54%). The ash, lipid, carbohydrate and protein contents of fresh weight, on the other hand, were found to be higher in the seeds than in the edible pulp region. The ash contents were (1.12 -1.64%) and (0.34 -0.48%), the lipid contents were (0.41-0.50%) and (0.09-0.12%), the protein contents were (14.11 to 16.26%) and (10.56 to 13.67%) and the carbohydrate contents were (31.41%-34.95%) and (21.65 to 24.91%) for the seeds and pulps respectively. The mineral analysis showed that Jackfruit seeds and pulps were rich in essential minerals. The seeds and pulps, were found to both rich in potassium, sodium, calcium, magnesium, zinc and iron minerals. The phytochemical composition and antioxidant activities, were also found to be higher in the seeds than in the pulps. The phenolic contents were (17.37 to 18.69 mg/g) and (12.10 to 14.55 mg/g), while flavonoids contents were (0.5 - 0.89 mg/g) and (0.18 -0.29 mg/g) for the seeds and pulps respectively. The DPPH scavenging activities were (21.70 - 24.44%) and (15.49 - 17.47%), while the reducing powers were (51.05 -58.00 µg/ml) and (43.54-45.38 µg/ml) for the seeds and pulp respectively. Jackfruit seeds and pulps are therefore highly nutritious, rich in minerals and can be used as natural antioxidants.
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