Investigation of the Possible Effect of Two Processing Methods on the Proximate and Macro Element Constituents of Alternanthera brasiliana (L.) O. Kuntze


Authors : Arogbodo, J. O

Volume/Issue : Volume 5 - 2020, Issue 3 - March

Google Scholar : https://goo.gl/DF9R4u

Scribd : https://bit.ly/2QQxXEr

This research work evaluated the effect of air-drying and sun-drying (two processing methods) on the proximate and macro-elemental constituents of Alternanthera brasiliana (L.) O. Kuntze leaf. The proximate analysis was carried out following the method of by the Association of Official Analytical Chemists (AOAC). Individual element was estimated using Atomic Absorption Spectrometer (AAS) machine LAMOTTE Smart Spectro 2 RMN 26625 and FP 902 (Nanometer: 510NM). The results showed appreciable quantity of ash, crude fat, protein, energy, and macro minerals. All the macro mineral elements analyzed viz: Sodium (Na), Potassium (K), Calcium (Ca), Magnesium (Mg), and Phosphorus (P) presented higher values in the air-dried than the sun-dried sample. The sun-drying method had a reduction effect on all the values of minerals analyzed but had a positive and significant effect of the increase on the crude protein. It was concluded that A. brasiliana was rich in ash, fat, crude protein, energy, and macro minerals. Air-drying favoured high yield of minerals while sun-drying gave a high percentage in crude protein. A. brasiliana, therefore, could be reckoned with as a promising candidate in leaf meal preparation for monogastric animals.

Keywords : Processing, Constituents, Leaf Meal, Monogastric, Alternanthera Brasiliana.

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