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- Title
PROXIMATE, MINERAL, ANTI-NUTRIENTS, PHYTO-CHEMICAL SCREENING AND AMINO ACID COMPOSITIONS OF THE LEAVES OF PTEROCARPUS MILDBRAEDI HARMS.
- Authors
Akinyeye, R. O.; Oluwadunsin, A.; Omoyeni, A.
- Abstract
Leaves of P. mildbraedii Harms (Osun Ure) was anaysed for proximate constituents and mineral compositions. It contained 20.63 ± 0.03% ash, 13.33 ± 0.01% moisture, 26.45 ± 0.03% crude protein, 8.66 ± 0.01% fat, 12.33 ± 0.02% crude fibre and 18.61 ± 0.44% carbohydrate. Minerals like Ca, Na, Mg, Zn, K and P are predominantly abundant while Fe and Mn are present in less appreciable amount. The phytochemical screening of the leave sample for anti-nutrients indicates the presence of 0.47 ± 0.47% tannic acid, 0.23 ± 0.00% polyphenol, 5.49 ± 0.02% saponin, 4.65 ± 0.02% alkaloids, 3.66 ± 0.01% flavonoids, 3.33 ± 0.09mg/g oxalate, 6.38 ± 0.58mg/g phytin phosphorus and 22.65 ± 2.06 mg/g phytic acid. These bioactive compounds were identified to be accountable for the therapeutic properties ofP. mildbraedii. The total amino acid content (TAA) of the sample was calculated to be 674.4mg/g crude protein. Glutamic acid (103.8mg/g crude protein) was the most abundant amino acid while cystine (8.00mg/g crude protein) was the least. Lysine (81.00mg/g crude protein) was the most abundant essential amino acid (EAA). The iso-electric point for the sample was calculated to be 3.60. The predicted protein efficiency ratio (P-PER) was estimated to be 2.92.
- Subjects
EKITI State (Nigeria); NIGERIA; FOLIAR diagnosis; PTEROCARPUS; PHYTOCHEMICALS; BOTANICAL chemistry; STANDARD deviations; AMINO acids
- Publication
Electronic Journal of Environmental, Agricultural & Food Chemistry, 2011, Vol 10, Issue 1, p1848
- ISSN
1579-4377
- Publication type
Article