Chemical Composition of Calabash (Cresentia cujete) and Fluted Pumpkin (Telfaria occidentalis Hook. F) Pulp and Their Potential for Use in the Industry

NwogwugwuN. U, Abu G. O., Aka

Abstract

The chemical composition of Calabash and Fluted Pumpkin pulps was studied. The analyses conducted include: proximate, mineral and phytochemical components of the pulps. Proximate results for Calabash and Fluted Pumpkin pulp, respectively, are: carbohydrate (87.62 ± 0.58) and (26.10 ± 0.57); ash (2.47 ± 0.72) and (6.05 ± 0.21); crude fiber (4.87 ± 0.76) and (58.93 ± 0.81); crude fat (1.28 ± 0.15) and (2.73 ± 0.14); crude proteins (3.76 ± 0.12) and (6.17 ± 0.07); and moisture (86.6 ± 0.82) and (91.50 ± 0.7) per cent. Mineral analysis for Calabash and Fluted Pumpkin pulp in mg/100g respectively are as follows: Calcium (28.62 and 2.74); Sodium (18.40 and 7.84); Potassium (7.25 and 39.63); Iron (0.38 and 0.26); Zinc (3.72 and 0.94); Magnessium (9.48 and 6.03); and Phosphorus (0.43 and 5.27). Fluted pumpkin pulp had the following phytochemicals in mg/100g: alkaloid (8.3); flavonoid (6.4); phenol (12.5); saponin (5.7); and tannin (13.8). Quantitative analysis of toxicants in Calabash in mg/100g gave results as: oxalate (42.38); phytate (16.94); and anti-oxidant (10.82). Phytochemicals in Calabash pulp were determined qualitatively, and represented thus: alkaloid (++); flavonoid (++); saponin (+); tannin (+++); and glycoside (+++). These results suggest that Calabash and Fluted Pumpkin pulp could be applied in medicine, industry, nutrition, and agriculture.

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