Identification of carotenoids in an aerobic sporeformer (Bacillus alvei) and culture conditions

Authors
Obata, H Kawahara, H Yamade, K Ito, M
Citation
H. Obata et al., Identification of carotenoids in an aerobic sporeformer (Bacillus alvei) and culture conditions, J JPN SOC F, 47(2), 2000, pp. 163-167
Citations number
19
Categorie Soggetti
Food Science/Nutrition
Journal title
JOURNAL OF THE JAPANESE SOCIETY FOR FOOD SCIENCE AND TECHNOLOGY-NIPPON SHOKUHIN KAGAKU KOGAKU KAISHI
ISSN journal
1341027X → ACNP
Volume
47
Issue
2
Year of publication
2000
Pages
163 - 167
Database
ISI
SICI code
1341-027X(2000)47:2<163:IOCIAA>2.0.ZU;2-A
Abstract
Carotenoids in Bacillus alvei DC-1 were into two fractions using thin layer chromatography. Two of these pigments were identified as lycopene and beta -carotene by H-1-NMR, FT-IR, GC -MS, and VIS spectral analysis. The visible light irradiation (6 700 lux) on the strain DC-1 increased the production of lycopene and beta-carotene. After the irradiation, the lycopene and beta -carotene concentrations in the cells were 3.21 (mg/g dry weight), and 2.11 (mg/g dry weight), respectively. The lycopene concentration in the cells i ncreased about 1.4 times by the addition of nicotine to the culture medium.