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ONE MARINE STREPTOMYCES PRODUCING BLUE PIGMENT STRAIN AND THE PROPERTIES OF PIGMENT

Yan Hua-xiao

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Abstract

About 300 marine Streptomyces were isolated from the Jiaozhou Bay,3 percent of which can produce natural blue pigment.Streptomyces sp.M258 strain which can highly produce extracellular blue pigment was studied.It can be cultured in the media of M2+、Gao's number 1、bennett and it has the best growth condition in the medium of Gao's number 1 with a short fermentation period.The properties of the blue pigment were studied.The results showed that the blue pigment has no odor and is well dissolved in water or methanol.The color of the pigment is red in the acidic condition and navy blue in the alkaline condition.The composition of fermentation medium and cultural conditions for M258 producing blue pigment were studied and optimized.

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What this paper is about

About 300 marine Streptomyces were isolated from the Jiaozhou Bay,3 percent of which can produce natural blue pigment.Streptomyces sp.M258 strain which can highly produce extracellular blue pigment was studied.It can be cultured in the media of M2+、Gao's number 1、bennett and it has the best growth condition in the medium of Gao's number 1 with a short fermentation period.The properties of the blue pigment were studied.The results showed that the blue pigment has no odor and is well dissolved in water or methanol.The color of the pigment is red in the acidic condition and navy blue in the alkaline condition.The composition of fermentation medium and cultural conditions for M258 producing blue pigment were studied and optimized.

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Available abstract

About 300 marine Streptomyces were isolated from the Jiaozhou Bay,3 percent of which can produce natural blue pigment.Streptomyces sp.M258 strain which can highly produce extracellular blue pigment was studied.It can be cultured in the media of M2+、Gao's number 1、bennett and it has the best growth condition in the medium of Gao's number 1 with a short fermentation period.The properties of the blue pigment were studied.The results showed that the blue pigment has no odor and is well dissolved in water or methanol.The color of the pigment is red in the acidic condition and navy blue in the alkaline condition.The composition of fermentation medium and cultural conditions for M258 producing blue pigment were studied and optimized.

Key concepts: Pigment, Strain (injury), Fermentation, Food science, Chemistry, Streptomyces, Botany, Biology

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