Isolation and Identification of 4, 4’-Diapolycopene-4,4’-dioic Acid Produced by Bacillus firmus GB1 and its Singlet Oxygen Quenching Activity

We succeeded in purifying the carotenoid produced by Bacillus firmus GB1 using chromatography on polystyrenic synthetic adsorbents, and identified it as 4,4’-diapolycopene-4,4’-dioic acid by HRESI-MS and NMR analyses of it and its dimethylester. In addition, we clarified the singlet oxygen (1O2) que...

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Veröffentlicht in:	Journal of Oleo Science 2013, Vol.62(11), pp.955-960
Hauptverfasser:	Osawa, Ayako, Iki, Kanoko, Sandmann, Gerhard, Shindo, Kazutoshi
Format:	Artikel
Sprache:	eng
Schlagworte:	1O2 quenching activity 4,4’-diapolycopene-4,4’-dioic acid Antioxidants Bacillus - metabolism Bacillus firmus GB1 Carotenoids - biosynthesis Carotenoids - chemistry Carotenoids - isolation & purification Carotenoids - pharmacology Chromatography Dose-Response Relationship, Drug Magnetic Resonance Spectroscopy Mass Spectrometry Methyl Ethers - chemistry Methyl Ethers - isolation & purification Methyl Ethers - pharmacology Polystyrenes polystyrenic synthetic adsorbent Singlet Oxygen - chemistry
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