The content of retrograded resistant starch (RS3) and RS3/total starch ratio was determined in 74 cultivars of six legumes currently found in human food. There were significant differences in individual crops as well as their cultivars. All analysed legumes (except soybean) are a suitable natural source of health‐promoting RS3. The highest levels of RS3 were found in peas. There were extensive differences in RS3 content and RS3/total starch ratio in the latter crop types. Higher resistant and lower total starch amounts were found in wrinkle seeded peas. Maximal RS3 content was detected in Ctirad, Dinara, Royal Salute and Elkan cultivars. In smooth seeded peas, lower resistant and higher total starch were estimated. High RS3 levels were also observed in lentils, especially in the LCMB12/58 and LCMB1941 cultivars. Similar RS3 values were found in the chickpea, faba bean and kidney bean. The highest RS3 levels were demonstrated in the kidney bean Ultima, Fabia, 545/97472 and 545/974532; chickpea Alfa, CM7185, BG004233, PK51814 and 88199; and faba bean Alfréd and Omar cultivars. No soybean cultivar was found to be a suitable source of RS3.
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Mikulíková et al. (2008) studied this question.