ANTI-NUTRITIONAL CONSTITUENT OF COLOCASIA ESCULENTA ...
ANTI-NUTRITIONAL CONSTITUENT OF COLOCASIA ESCULENTA ... ANTI-NUTRITIONAL CONSTITUENT OF COLOCASIA ESCULENTA ...
B1.3.2.2 Kinetic studies The inhibitory activity of the purified proteins on amylases from different sources is presented in Table BI-3.2. The two proteins were found to inhibit mammalian and bacterial amylases. While protein Al inhibited amylase from plant sources, protein B2 showed no such effect. The two proteins could not inhibit fungal amylase. Table Bl-3.2: Effect ofa-amylase inhibitors present in Amadumbe against amylases from different sources Source ofamylases Percentage inhibition Al B2 Human salivary 62 56 Barley 56 0 Sweet potato 4.7 0 Bacillus species 10.2 23 Aspergillus species 0 0 Porcine pancreas 28.5 48.5 134
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B1.3.2.2 Kinetic studies<br />
The inhibitory activity of the purified proteins on amylases from different sources is<br />
presented in Table BI-3.2. The two proteins were found to inhibit mammalian and<br />
bacterial amylases. While protein Al inhibited amylase from plant sources, protein B2<br />
showed no such effect. The two proteins could not inhibit fungal amylase.<br />
Table Bl-3.2: Effect ofa-amylase inhibitors present in Amadumbe against<br />
amylases from different sources<br />
Source ofamylases Percentage inhibition<br />
Al B2<br />
Human salivary 62 56<br />
Barley 56 0<br />
Sweet potato 4.7 0<br />
Bacillus species 10.2 23<br />
Aspergillus species 0 0<br />
Porcine pancreas 28.5 48.5<br />
134
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