Nutritional evaluation of kidney beans (<i>phaseolus vulgaris</i>): The toxic principle
Árpád Pusztai, Robert M. Palmer
Journal of the Science of Food and Agriculture
Abstract
Abstract Kidney bean (Phaseolus vulgaris) lectins were purified by affinity chromatography on a fetuin‐Sepharose‐4B column. The net protein utilisation (NPU) of rats fed on a 5% casein‐containing diet was strongly depressed by these pure lectin preparations. The extent of this nutritional toxicity was found to be related to the lectin content of the diet according to the following equation: NPU = NPU 5% casein −280 x (where x is the lectin content in % w/w). Thus, because in addition lectin‐free kidney bean protein preparations were found to be non‐toxic for rats, it is now suggested that the toxic principle of kidney bean is identical with its constituent lectins.
Extracted Claims
3 claims extracted from this paper into the knowledge graph
lectins are the toxic principle kidney bean
“Thus, because in addition lectin‐free kidney bean protein preparations were found to be non‐toxic for rats, it is now suggested that the toxic principle of kidney bean is identical with its constituen...”
lectin-free kidney bean protein preparations were non-toxic rats
“Thus, because in addition lectin‐free kidney bean protein preparations were found to be non‐toxic for rats, it is now suggested that the toxic principle of kidney bean is identical with its constituen...”
kidney bean lectins depressed net protein utilisation (NPU) of rats
“The net protein utilisation (NPU) of rats fed on a 5% casein‐containing diet was strongly depressed by these pure lectin preparations.”