Characteristics of the Conversion Pigment from Gardenia jasminoides Yellow Pigment

치자황색소로부터 변환된 색소의 특성

  • Published : 1998.04.01

Abstract

Conversion of Gardenia jasminoides yellow pigment into blue-green pigment by 8 bacterial species was examed. Bioconversion pattern can be categorized into three types according to absorption spectra characteristics. The same pattern of the value of ${\Delta}E$ estimated by color differencemeter was also observed. Conversion rate by S. epidermidis was faster than other bacterial species. It took 16 hour for S. epidermidis to convert pigment at $37^{\circ}C$. Gardenia jasminoides yellow pigment and conversion pigment were completely separated by Amberlite XAD column chromatography with $H_2O-MeOH$ solvent system. Storage stability of the conversion pigment was better than Gardenia jasminoides yellow pigment.

Keywords

Gardenia jasminoides yellow pigment;bioconversion;absorption spectra;Amberlite XAD;stability