scholarly journals Activity changes in cranberry bean (Phaseolus vulgaris) .ALPHA.-amylase inhibitor by chemical modification and enzymatic digestion.

1989 ◽  
Vol 35 (1) ◽  
pp. 71-80 ◽  
Author(s):  
Makoto KOTARU ◽  
Hung-Yu YEH ◽  
Hideki YOSHIKAWA ◽  
Tsuneo IKEUCHI ◽  
Kimikazu IWAMI ◽  
...  
1985 ◽  
Vol 49 (5) ◽  
pp. 1523-1524 ◽  
Author(s):  
Motoo ARAI ◽  
Naoki OOUCHI ◽  
Akira GOTO ◽  
Sei OGURA ◽  
Sawao MURAO

2000 ◽  
Vol 47 (2) ◽  
pp. 158-162 ◽  
Author(s):  
Hideki YOSHIKAWA ◽  
Makoto KOTARU ◽  
Chie TANAKA ◽  
Tsuneo IKEUCHI ◽  
Makoto KAWABATA

2021 ◽  
Author(s):  
Ravinder Singh ◽  
Anoop Kumar Dobriyal ◽  
Rattan Deep Singh ◽  
Patricio De los Rios-Escalante

Abstract The present work is based on analysis of inhibitory activity of alpha-amylase inhibitor in selected cultivars of Phaseolus vulgaris of Uttarakhand. Fifteen samples were assessed for inhibitory activity of alpha-amylase inhibitor. Significant variations were found in different cultivars. Crude extract of alpha-amylase inhibitor from sample PUR (Purola) have shown maximum inhibitory activity (70.2 ± 0.84). Crude extract of all the cultivars have shown considerable variations in inhibitory activity in the temperature ranging from 20ºC to 100ºC. Based on inhibitory activity and heat stability profile, the alpha amylase inhibitor was purified from PUR cultivar. The purified inhibitor was found to be stable even at 90ºC with an inhibitory activity of 97.20 ±0.09. The molecular weight of purified inhibitor on Native PAGE (Polyacrylamide gel electrophoresis) was found to be 31kd, consisting of two subunits of 17kd and 14kd on SDS-PAGE.


1987 ◽  
Vol 51 (2) ◽  
pp. 577-578 ◽  
Author(s):  
Makoto KOTARU ◽  
Koichi SAITO ◽  
Hideki YOSHIKAWA ◽  
Tsuneo IKEUCHI ◽  
Fumio IBUKI

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