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High efficiency pigment production from Micrococcus roseus (PTCC 1411) under ultraviolet irradiation

Yolmeh, M. and Khomeiri, M. and Ghorbani, M. and Ghaemi, E. and Ramezanpour, S.S. (2017) High efficiency pigment production from Micrococcus roseus (PTCC 1411) under ultraviolet irradiation. Biocatalysis and Agricultural Biotechnology, 9. pp. 156-161.

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The present study reports on the production of natural pigment from Micrococcus roseus under ultraviolet (UV) irradiation treatment. Response surface methodology (RSM) was used to evaluate the effect of process variables on the production of natural pigment. The four independent variables including irradiation time (10–80 s), irradiation distance (5–45 cm), incubation temperature (5–35 °C), and incubation time (12–72 h) were studied. According to the results, the optimal production of natural pigment condition was obtained with an irradiation time of 15.67 s, irradiation distance of 30.45 cm, incubation temperature of 21.36 °C, and incubation time of 47.76 h. At the optimum condition, total carotenoid (TC) and the biomass dry weight (BDW) was determined 7.20 mg/L and 7.17 g/L, respectively. The experimental values under optimal condition were in good consistent with the predicted values, which suggested UV irradiation is an efficient treatment to enhance the production of pigment from M. roseus. © 2016 Elsevier Ltd

Item Type: Article
Additional Information: cited By 0
Subjects: مقالات نمایه شده محققین دانشگاه در سایت ,Web of Science ,Scopus
Depositing User: GOUMS
Date Deposited: 18 Jun 2017 19:23
Last Modified: 18 Jun 2017 19:23
URI: http://eprints.goums.ac.ir/id/eprint/5128

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