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Anti-nutrient analysis of 30 Bambara groundnut ( Vigna subterranea ) accessions in South Africa.
- Source :
- Journal of Crop Improvement; 2018, Vol. 32 Issue 2, p208-224, 17p
- Publication Year :
- 2018
-
Abstract
- Bambara groundnut is a leguminous crop that originated in West Africa. It is a drought-tolerant crop and has the potential to provide improved food and nutritional security in the dry areas of Africa. However, the plant contains anti-nutritional factors that affect its food value chain. The objective of this study was to assess the content of four major anti-nutritional factors in 30 bambara groundnut accessions in South Africa. The seeds of the bambara groundnut landraces were ground to make a fine powder and assessed for condensed tannins (CTs), phytic acid phosphate (PAP), polyphenol, and trypsin inhibitor content. Each assay was done in triplicate. The content of the four anti-nutritional compounds varied widely among the bambara groundnut accessions. The mean values for CTs ranged between 0.2 and 6.2 mg/g of prodephinidin equivalent, whereas that of the PAP was between 1.4 and 4.9 mg/g. A low mean polyphenol content of 0.4 mg/g of GA (gallic acid) equivalent was observed among the accessions. The level of trypsin inhibitor ranged from 5.3 to 73.4 TI/mg. With the exception of CTs and trypsin inhibitor, no significant correlation was observed among the four anti-nutritional factors assessed in this study. Generally, higher levels of anti-nutrients were observed in this study compared with certain studies reported earlier. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 15427528
- Volume :
- 32
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Journal of Crop Improvement
- Publication Type :
- Academic Journal
- Accession number :
- 127643222
- Full Text :
- https://doi.org/10.1080/15427528.2017.1405857