| Extraction and physicochemical characteristics of a red pigment produced by marine bacterium strain S-9801 |
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| 作者姓名： | TianLi He Peiqing Liu Chenlin Bianji Miao Jinlai |
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| 作者单位： | TianLi，He Peiqing，Liu Chenlin，Bianji，Miao Jinlai1. Key Laboratory of Science Marine Biological Active Substance，State Oceanic Administration，Qingdao 26606l，China2. First Institute of Oceanography，State Oceanic Administration，Qingdao 266061，Chi |
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| 摘 要： | A red pigment that has better biological properties is produced by marine bacterium strainS- 9801. The extraction methods, physicochemical and toxicity of the pigment have been studied. Dissolubility of pigment in the five organic solvent has been tested, and ethanol is optimally chosen for extraction. Physicochemical characteristics of this pigment was stable. The absorbance of the pigment solution was no losing when put under natural light for 10 days or treated by UV for 30 minutes, color of the pigment unchanged after 100 ℃ hythere for 1 h or 80 ℃ xerother for 2 h. The median lethal dose (LD_(50) )of the rat by celiac injection was 670.04 mg/kg and minimum lethal dose of oral was greater than 2 000 mg/kg.
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| 关 键 词： | Pigment of marine bacterium extract methods physicochemical characteristics |
| 收稿时间： | 2002/3/19 0:00:00 |
| 修稿时间： | 2002/3/30 0:00:00 |
Extraction and physicochemical characteristics of a red pigment produced by marine bacterium strain S-9801 |
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| TianLi,He Peiqing,Liu Chenlin,Bianji,Miao Jinlai.Extraction and physicochemical characteristics of a red pigment produced by marine bacterium strain S-9801[J].Acta Oceanologica Sinica,2002,21(3):445-449. |
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| Authors: | TianLi He Peiqing Liu Chenlin Bianji and Miao Jinlai |
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| Institution: | Key Laboratory of Science Marine Biological Active Substance, State Oceanic Administration, Qingdao 26606 l, China;First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China |
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| Abstract: | -- A red pigment that has better biological properties is produced by marine bacterium strain S- 9801. The extraction methods, physicochemical and toxicity of the pigment have been studied.Dissolubility of pigment in the five organic solvent has been tested, and ethanol is optimally chosen for extraction. Physicochemical characteristics of this pigment was stable. The absorbance of the pigment solution was no losing when put under natural light for 10 days or treated by UV for 30 minutes, color of the pigment unchanged after 100 ℃ hythere for 1 h or 80 ℃ xerother for 2 h. The median lethal dose (LD50) of the rat by celiac injection was 670.04 mg/kg and minimum lethal dose of oral was greater than 2 000 mg/kg. |
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| Keywords: | Pigment of marine bacterium extract methods physicochemical characteristics |
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