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Effect of Some Post-Harvest Treatments on the Nutritional Properties of Cnidoscolus acontifolus Leaf

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Author(s): Ganiyu OBOH

Journal: Pakistan Journal of Nutrition
ISSN 1680-5194

Volume: 4;
Issue: 4;
Start page: 226;
Date: 2005;
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ABSTRACT
Cnidoscolus acontifolus (Americana leaf) leaves are used as soup condiment in Nigeria either in the processed or unprocessed forms. This study aims at assessing the effect of some post-harvest treatment on the nutrient, antinutrient and antioxidant potentials of the leafy vegetable. In this study fresh leaves of Cnidoscolus acontifolus were subjected to different food processing method such as soaking, blanching, abrasion with or without salt. The proximate, antinutrient (phytate and cyanide), minerals (Ca, Fe, Mg, Na, K, Zn and Mn), Vitamin C and total phenol content were subsequently determined. The result of the study shows that the unprocessed Cnidoscolus acontifolus leaf had 7.8% protein, 1.6% fat, 2.4% crude fibre, 2.3% ash and 83.4% moisture content. The total phenol (0.7%), phytate (479.5 mg/100g), mineral and vitamin C (535.6mg/100g) content were generally high, while the cyanide content was low. However, the various conventional food processing techniques caused a significant decrease (P
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