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KMID : 0382420010270040001
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Korean Journal of Environmental Health Society
2001 Volume.27 No. 4 p.1 ~ p.8
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A Study on the Variation of Phytase Activity in the River Environment
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Kim Young-Jin
Jeong Mun-Ho
Oh Nam-Soon
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Abstract
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From August 2000 to August 2001, 9 variables of physicochemical factors and phytase activity were investigated at 4 sites in the River Yungpyung and the influences of physicochemical factors to phytase activity were analyzed. Phytase activities of Site 1, Site 2, Site 3, and Site 4 varied between ND∼566 nmol/ℓ/hr, N.D∼434 nmol/ℓ/hr, N.D ∼557 nmol/ℓ/hr, and N.D∼323 nmol/ℓ/hr, respectively. The activities of summer season were higher than those of other season. But the activities were not detected on the winter season. The phytase activity and temperature showed high correlation. The correlation coefficients of Site 1, Site 2, Site 3, and Site 4 were 0.82(p<0.01), 0.92(p<0.01), 0.89(p<0.01), and 0.88(p<0.01), respectively. The phytase activity and NO_3^- ion showed negative relation(r=-0.59, p<0.05) at Site 1. And the phytase activity had relation with Zn^2+ at Site 2(r=0.58, p<0.05) and Site 3(r=0.75, p<0.05).
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