The effect of de-starching of wheat bran on beta-glucanase production as a modified substrate
سال انتشار: 1399
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 351
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شناسه ملی سند علمی:
CHEMISB03_013
تاریخ نمایه سازی: 30 فروردین 1400
چکیده مقاله:
Beta-glucan found in cereals is a non-nutrient for poultry that would cause some digestion problems. Betaglucanasecan break down the beta-glucan in cereals and make it easier to digest. In this study, the starch inwheat bran was removed. For the first time, the beta-glucanase was produced by solid-state cultivation ofAspergillus niger CCUG33991 on starch-free wheat bran without adding any nutrients. The influence of thiseconomical enzyme extract on structure was investigated for the two kinds of cereals. Enzyme solution had863.4 units of beta-glucanase activity per gram of dry substrate (U/gds). De-starching from wheat branincreased beta-glucanase production. Treatment of cereal particles with the extract modified their surfacesand made them more vulnerable to attack by digestive enzymes. The study demonstrated that beta-glucanasemay be a profitable animal feed additive especially for the feeds with high beta-glucan content grains.
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نویسندگان
Masoumeh Heidary Vinche
Department of Chemical Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
Seyed Ahmad Ataei
Department of Chemical Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
Morteza Khanahmadi
Agricultural Biotechnology Research Institute of Iran - Isfahan Branch, Agricultural Research, Educationand Extension Organization (AREEO), Isfahan, Iran
Firoozeh Danafar
Department of Chemical Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran