Chemical composition, calcium, zinc and phytate interrelationships in Albizia lebbeck and Daniellia oliveri seeds.

The chemical, nutritive and antinutritive values of Albizia lebbeck and Daniellia oliveri seeds flour were determined. The seeds have very high protein contents of 42.8% and 33.4% and moderately high contents of carbohydrate of 32.5% and 44.6% respectively. The most abundant mineral in the seeds flour is K (540mg/100g) and (680mg/100g) followed by Mg (366mg/100g) in Albizia lebbeck and Ca (263mg/100g) in Dariellia oliveri. The least abundant minerals are Zn (2.22mg/100g) and 1.52mg/ 100g, Cu (5.12mg/100g) and (2.23mg/100g), also Mn (3.23mg/100g and (6.47mg/100g for the two seeds respectively. The levels of Na/K, Ca/P and Ca/Mg in the seeds flour are desirable when compared with the recommended valves. The antinutrional factors showed the presence of flavonoid, Tannie acid, saponin and alkaloid with values ranging from 0.22 to 1.37% for Albizia lebbeck and 0.86 to 7.48% for Deniellia oliveri. Other antinutrients are cyanide, polyphenols, phytate and oxalate. Their low values showed that the seeds may be recommended for human consumption. The prediction of Zn availability was determined using Phy: Zn, Ca: Phy and Ca x Phy/Zn molar rations which indicate an adequate availability of Zn.

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