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KMID : 0380619950270050773
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Korean Journal of Food Science and Technology
1995 Volume.27 No. 5 p.773 ~ p.775
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Effect of Alum on the Activity of Raw Starch - Digesting Enzyme Produced by Bacillus sp .
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Abstract
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The effect of alum(Al·K(SO₄)₂·12H₂O) on the activity of raw starch-digesting enzyme produced by alkali-tolerant Bacillus sp. was investigated. In adding alum of 0.5%(w/w), activities of raw starch-digesting enzyme on the gelatinized and raw rice starches have not been inhibited. In case of adding alum of 5%(w/w), competitive and uncompetitive inhibition were observed for the gelatinized and raw rice starches, respectively. The inhibitory effect on the raw starch was much higher than that on the gelatinized starch.
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