PHYTOCHEMICAL AND PROXIMATE ANALYSIS OF Ipomoea cairica TUBER
The analyses for nutrients of Ipomoea cairica tuber were carried out and the phytochemical and proximate parameters were determined. The phytochemical analyses looked into the alkaloid, flavonoid, cyanogenic glycoside, tannin, phytate and saponin contents of Ipomoea cairicatuber while the proximate composition determination was aimed at the protein, carbohydrate, moisture, lipid, ash and fibre contents. The methods applied for these analytical determinations were mainly those of the Association of Official Analytical Chemist (AOAC,2005). Each type of analysis (whether proximate or phytochemical) were carried out in triplicate and the mean values determined. The phytochemical analyses showed that Ipomoea cairica tuber had; flavonoid (1.52±0.03 %), Alkaloid (2.10±0.28 %), Tannin (0.05 %), Saponin (1.24±0.04 %), Cyanogenic glycoside (0.05 %), and phytate (0.02 %). The proximate analysis showed that Ipomoea cairica tuber had; Carbohydrate (11.7±0.1 %), protein (4.2±0.2 %), ash (0.6±0.1 %), lipid (0.51±0.07 %), moisture (72.7±0.2 %), and fibre (10.3±0.6 %). These results show that Ipomoea cairica tuber can be used as a substitute for other mostly consumed carbohydrate foods like yam and cocoyam.
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