Statistical optimization of alpha-amylase production by Streptomyces erumpens MTCC 7317 cells in calcium alginate beads using response surface methodology

• Autorzy: Kar S , Ray R.C.
• Języki publikacji: EN

Abstrakty

EN

α-Amylase has a wide range of applications in starch industries, i.e. baking, brewing, distillery, etc. The α-amylase production from Streptomyces erumpens MTCC 7317 immobilized cells was compared with that of free cells. The immobilized cells of S. erumpens in calcium alginate beads were more effective for production of α-amylase (12.2% more yield) than free cells. Response surface methodology (RSM) was used to evaluate the effect of main variables, i.e. incubation period, pH and temperature on enzyme production with immobilized cells. A full factorial Central Composite Design (CCD) was applied to study these main factors that affected α-amylase production. The experimental results showed that the optimum incubation period, pH and temperature were 36 h, 6.0 and 50°C, respectively for immobilized cells. Repeated batch fermentation of immobilized cells in shake flasks carried out in starch-beef extract medium showed that S. erumpens cells were physiologically active on the support even after four cycles of fermentation.

Słowa kluczowe

EN

alpha-amylase; cell immobilization; amylase; enzyme; Streptomyces erumpens; response surface methodology; production

• Wydawca: -
• Czasopismo: Polish Journal of Microbiology
• Rocznik: 2008
• Tom: 57
• Numer: 1
• Opis fizyczny: p.49-57,fig.,ref.

Twórcy

autor

Kar S

• Regional Center of Central Tuber Crops Research Institute, Dumuduma Housing Board, Bhubaneswar-751019, India

autor

Ray R.C.

Bibliografia

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