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African Journal of Food, Agriculture, Nutrition and Development
Rural Outreach Program
ISSN: 1684-5358
EISSN: 1684-5374
Vol. 19, No. 3, 2019, pp. 14654-14673
Bioline Code: nd19049
Full paper language: English
Document type: Research Article
Document available free of charge

African Journal of Food, Agriculture, Nutrition and Development, Vol. 19, No. 3, 2019, pp. 14654-14673

 en THE NUTRIENT CONTENT OF TWO FOLIA MORPHOTYPES OF CENTELLA ASIATICA check for this species in other resources (L) GROWN IN MADAGASCAR
Ranovona, Z; Mertz, C; Dhuique-Mayer, C; Servent, A; Dornier, M; Danthu, P & Ralison, C

Abstract

Centella asiatica is a herbal plant generally used for its curative properties. Two foliar morphotypes were recently identified in Madagascar: a reniform tetraploid (2n = 4x = 36) in the Center and the East of the island and a round diploid (2n = 2x = 18) in the West. The objective of this study was to evaluate the nutritional properties of these two morphotypes and to compare them with other green leafy vegetables. Reniform leaves were collected in Antananarivo and Moramanga and round leaves were collected in Tsiroanomandidy and Analavory. Macronutrient content was determined by standard methods, mineral contents were analysed by inductively coupled plasma atomic emission spectroscopy. Ascorbic acid and carotenoids were quantified by HPLC. Food composition showed significant differences between the morphotypes. Reniform leaves have higher protein content (19–22 % dry weight (DW)) than round leaves (17–21 % DW). Lipid content are from 2.5 to 6.0 % DW. Reniform leaves have higher iron content than round leaves. Iron content of C. asiatica’s leaves range from 3.8 to 12.5 mg/100 g fresh weight (FW). Reniform leaves from Moramanga have the highest protein, lipid and iron content. Round leaves from Analavory have the highest calcium and magnesium content, which can cover 41 % and 17 % of the Recommended Dietary Allowances (RDA), respectively. Leaves of C. asiatica have low vitamin C content (1.3 to 7.7 mg/100 g FW). Consumption of 100 g of C. asiatica leaves could cover 10 to 21 % of vitamin A daily requirements of women for reniform leaves and 21 to 37 % of vitamin A requirement of women for round leaves. Round leaves from Analavory have the highest β-carotene content. It is hoped that from these findings, the people of Madagascar will be encouraged to include C. asiatica in their diets for its nutritional benefits.

Keywords
Centella asiatica; reniform leaves; round leaves; protein; lipid; vitamin A; minerals; amino acids

 
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