Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis

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Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis

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Title: Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis
Author: Al Desuquy, H. S. [حشمت سليمان الدسوقي]
Abstract: It was proposed to find out the optimum environmental conditions and nutritional requirements for highest growth regulating substance and enzyme production by Streptomyces olivaceoviridis. The optimum oc-amylase and proteinase activity was at 45°C and 50°C, respectively. The test strain appeared to prefer pH 4.8 and 7.0 for the maximum productivity of a-amylase and proteinase, respectively. The highest potentiality for ce-amylase and proteinase synthesis as well as the production of growth regulating substances were attained when S. olivaceoviridis was cultivated on media supplemented with starch as carbon source and peptone as nitrogen source. Furthermore, the addition of K2HPO4 at 1.0 g/1 (as phosphorus), zinc sulphate (as microelement) and yeast extract (as a vitamin source) to culture medium were found to enhance the production of growth regulating substances and enzymes by the experimental organism.لقد تبين من لمحراسة أنسب الظروف البيئيآ وإِلترريعية لإنتاج أعلى قسر من مثظمات الثمو بصفة خاصة مع الأخذ في الأعتبار النشاط الأنزيمي بسلالة .
URI: http://hdl.handle.net/10576/10128
Date: 1996

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