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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 329 - 338 (10page)
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As a study for producing abundantly activated phytase in the germinated barleys, which are grain feed materials, we investigated the changes and characteristics of phytase during germination in barley. When enzyme activity of phytase was measured after germination of corn, wheat, barley and rice under the same conditions as grains that can be used as feed materials, germinated barley showed the highest phytase activity of 2.91 ± 0.07 U/g compared to other grains (p < 0.05). The phytase activity of barley gradually increased with the times of germination, and decreased after peaking at 3.00 ± 0.32 U/g on the fourth day of germination. The temperature and pH of germinated barley phytase showed the highest peaks at 55°C and pH 5.0. Addition of 0.01% Tween 80 showed the best effects on the phytase activity of germinated barley. In all experiments, phytase activity had a tendency to decrease compared to the initial activity as the reaction time elapsed, but the treatment group of 0.01% Tween 80 maintained a similar level until 30 minutes after the reaction. Therefore, these results are considered to provide basic data for using germinated barley to improve the digestibility of feed-derived phytase and to prevent phosphate contamination of the environment through fecal excretion.
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참고문헌 (55)
참고문헌 신청
Azeke, M. A. / 2011 / Effect of germination on the phytase activity, phytate and total phosphorus contents of rice (Oryza sativa), maize (Zea mays), millet (Panicum miliaceum), sorghum (Sorghum bicolor) and wheat (Triticum aestivum) / J Food Sci Technol 48:724~729
Bartnik, M. / 1987 / Change in phytate content and phytase activity during germination of some cereal / Journal of Cereal Science 5:23~28
Bouajila, A. / 2020 / Changes in phytase activity, phosphorus and phytate contents during grain germination of barley (Hordeum vulgare L.) cultivars / Agroforest Syst 94:1151~1159
Brinch-Pedersen, H. / 2014 / Increased understanding of the cereal phytase complement for better mineral bio-availability and resource management / J Cereal Sci 59:373~381
CAST(Council for Agricultural Science and Technology) / 2002 / Animal diet modification to decrease the potential for nitrogen and phosphorus pollution / Issue Paper 21:1~16
Bartnik, M. / 1987 / Change in phytate content and phytase activity during germination of some cereal / Journal of Cereal Science 5:23~28
Bouajila, A. / 2020 / Changes in phytase activity, phosphorus and phytate contents during grain germination of barley (Hordeum vulgare L.) cultivars / Agroforest Syst 94:1151~1159
Brinch-Pedersen, H. / 2014 / Increased understanding of the cereal phytase complement for better mineral bio-availability and resource management / J Cereal Sci 59:373~381
CAST(Council for Agricultural Science and Technology) / 2002 / Animal diet modification to decrease the potential for nitrogen and phosphorus pollution / Issue Paper 21:1~16
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