Purification, identification and properties of a new blue pigment produced from Streptomyces sp. A1013Y.

Clicks: 351
ID: 63627
2019
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Abstract
A novel blue pigment was first isolated from Streptomyces sp. A1013Y. The purified component was identified as 4,8,13-trihydroxy-6,11-dione-trihydrogranaticins A (TDTA). Its physical properties were found to be: Molecular weight 462 Da; Color value, E580 nm = 80; Solubility, it dissolved in organic solvents. In addition, the color of TDTA changed with pH but was found to be relatively stable between 20 and 100 °C, from pH 3 to pH 11, and under UV-light or darkness. TDTA's functional properties was as follows: TDTA showed excellent free radical scavenging properties, IC 41.04 µg/mL and 13.75 µg/mL using 2, 20-diphenyl-1-picrylhydrazyl (DPPH) and 2,2-n-(3, 2-ethyl-benzothiazole-6-sulfonic acid) ammonium salt (ABTS) respectively. TDTA might be a promising source of natural pigment and bioactive compound used as additive in food industry.
Reference Key
zhu2019purificationfood Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zhu, Yunping;Shang, Xiaoya;Yang, Li;Zheng, Shenglan;Liu, Kaifeng;Li, Xiuting;
Journal Food chemistry
Year 2019
DOI
S0308-8146(19)31724-8
URL
Keywords
stability antibacterial activity radical scavenging activities blue pigment streptomyces sp. a1013y

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