alexa Effect of Processing Methods on Chemical Composition and Antioxidant Activities of Two Amaranthus Sp. Harvested in West Region of Cameroons | OMICS International | Abstract
ISSN: 2155-9600

Journal of Nutrition & Food Sciences
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Research Article

Effect of Processing Methods on Chemical Composition and Antioxidant Activities of Two Amaranthus Sp. Harvested in West Region of Cameroons

Arnaud Suffo KL1,3, Ashish R3*, Pamo Tedonkeng E2 and Kuiate JR1

1Department of Biochemistry, Faculty of Science, University of Dschang, Cameroon

2Department of Animal Production, Faculty of Agronomy and Agricultural Science, University of Dschang, Cameroon

3Department of Food Engineering and Design, Indian institute of Crop and Processing Technology, Thanjavur, India

*Corresponding Author:
Ashish R
Department of Food Engineering and Design
Indian institute of Crop and Processing Technology, Thanjavur, India
Tel: 917373068426
E-mail: [email protected]; [email protected]

Received Date: Feb 09, 2016; Accepted Date: Feb 24, 2016; Published Date: Mar 07, 2016

Citation: Suffo AKL, Ashish R, Tedonkeng PE, Kuiate JR (2016) Effect of Processing Methods on Chemical Composition and Antioxidant Activities of Two Amaranthus Sp. Harvested in West Region of Cameroons. J Nutr Food Sci 6:477. doi: 10.4172/2155-9600.1000477

Copyright: © 2016 Suffo AKL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

This study was designed to determine the preliminary phytochemical compounds, to study the potent bioactive compounds using GC-MS analysis and antioxidant potentials of Amaranthus hybridus and Amaranthus cruentus leaves after slicing, sun drying, and shade drying and cooking processing techniques. Ascorbic acid, total phenol content and antioxidant potential were determined by volumetric, Folin Ciocalteu reagent method and DPPH respectively. After preliminary screening for secondary metabolites evaluation, biochemical components where screened by GC-MS techniques. Results of phytochemical evaluation confirmed the presence of phytosterols, tannins, glycosides, saponins, flavonoids and terpernoids in both samples whereas alkaloids and anthraquinones were absent. Interestingly GC-MS analysis revealed the presence of fourteen compounds in A. cruentus and eighteen in A. hybridus. Phytol (39% and 40%) and 3,7,11,15-Tetramethyl-2-hexadecen-1-ol (13% and 17%) were the most abundant components in the two extracts. The total phenol content of SDS A. hybridus was significantly higher (p < 0.05) than that of any treatment of A. cruentus. SHDU of both samples revealed higher antioxidant activities and vitamin C content while cooking reduced drastically the Vitamin C content in both samples. In view of the results of this study, it could be concluded that various processing methods trough make green leafy vegetables more palatable by reducing some anti-nutrients content and extend their shelf-life. However they influenced on the phenolic content and antioxidant behavior and caused significant decrease (P < 0.05) in ascorbic acid contents of the green leafy vegetables. Combination of these leafy vegetables with others foodstuffs may be recommended to satisfactorily meet the RDA.

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