Legumes by Martin-Cabrejas Maria Angeles;

Author:Martin-Cabrejas, Maria Angeles;
Language: eng
Format: epub
ISBN: 9781788016759
Publisher: Book Network Int'l Limited trading as NBN International (NBNi)
Published: 2018-07-13T16:00:00+00:00

The five non-conventional legumes being studied show large contents of enzymatic inhibitors that vary according to the species (Table 8.3).65,66 Germination reduced the content of trypsin inhibitors in dolicho (53%) and jack bean (76%), whereas in cowpea it was increased to 61%. For the chymotrypsin inhibitors, the reductions were significant in mucuna (58%) and dolicho (36%). Hemagglutinating activity was found, without prior treatment of blood cells with trypsin, in jack bean, and germination reduced the levels of lectin to 50%. The rest of the legumes did not show relevant hemagglutinating activity.65,66

Table 8.3Antinutritional factors of a protein nature in non-germinated legume grains and in grains germinated for 96 hours (g kg−1 DM)e

α-Amylase inhibitor Trypsin inhibitor Chymotrypsin inhibitor Lectinsc Lectinsd

Vigna unguiculata

Non-germinated ND 2.1 ± 0.13a 1.6 ± 0.08a ND ND

Germinated ND 3.4 ± 0.12b 1.5 ± 0.04a ND ND

Canavalia ensiformis

Non-germinated ND 3.2 ± 0.18a 0.7 ± 0.07a 5.1 ± 0.06a —

Germinated ND 0.7 ± 0.06b 0.4 ± 0.08a 2.5 ± 0.06b —

Lablab purpureus

Non-germinated ND 6.9 ± 0.14a 1.6 ± 0.10a ND 10.2 ± 0.03a

Germinated ND 3.2 ± 0.09b 1.0 ± 0.10b ND 2.5 ± 50.03b

Mucuna pruriens

Non-germinated ND 1.4 ± 0.01a 1.5 ± 0.15a ND ND

Germinated ND 1.3 ± 0.10a 0.9 ± 0.08b ND ND

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