Selection of Monascus with High Yellow Pigment Production
- VernacularTitle:高产红曲黄色素菌株的选育
- Author:
Bo ZHOU
;
Ju-Fang WANG
;
Zhen-Qiang WU
;
Shi-Zhong LIANG
;
- Publication Type:Journal Article
- Keywords:
Monascus, Mutant, Yellow pigment, Pigment value, Colour hue
- From:
Microbiology
2008;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
The Monascus mutant with high yield of yellow pigment was obtained by using conventional relevant mutation techniques, e.g., treating with physical mutagens(such as UV light) and chemical sub- stances (such as N-methyl-N'-nitro-N-nitrosoguanidine). The yellow pigment was scanned from 300 nm to 600 nm with UV spectrometer, the maximal absorption was determined at 410 nm. The growth characteristic of Monascus mutant is stable, the yellow pigment value and colour hue in liquid fermentation can reach 100 U/mL and 3.5 respectively. The yellow pigment is stable from pH 3 to pH 8, but the precipitation appeared as the pH of the pigment solution lower than 3.
