%0 Journal Article %T Optimization of ¦Â-carotene production by a newly isolated Serratia marcescens strain %A Wang %A Bohua %A Lin %A Liping %A Lu %A Lei %A Chen %A Weiping %J Electronic Journal of Biotechnology %D 2012 %I Pontificia Universidad Cat¨®lica de Valpara¨ªso %R 10.2225/vol15-issue6-fulltext-4 %X ¦Â-carotene is a commonly used food colorant. in this work, a novel ¦Â-carotene producing strain, serratia marcescens rb3, was isolated and identified by physiological and biochemical tests, as well as 16s rdna sequence analysis. the production of ¦Â-carotene by s. marcescens rb3 was identified through hplc analysis. the cultivation conditions for ¦Â-carotene production by s. marcescens rb3 were optimized as 2.0% lactose, 2.0% peptone, 0.3% beef extract, 1.0% nacl supplemented with 0.05% fe2+, ph 6.0 and 30oc. under the optimal conditions, the yield of ¦Â-carotene achieved 2.45 ¦Ìg/ml. %K ¦Â-carotene %K optimization %K pigment %K serratia marcescens. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0717-34582012000600003&lng=en&nrm=iso&tlng=en