Ultraviolet-B radiation improves astaxanthin accumulation in green microalga Haematococcus pluvialis

被引：27
|
作者：
Wu, Zhengyun [1 ,2 ]
Chen, Guanqun [1 ,2 ]
Chong, Siukuen [1 ,2 ]
Mak, Nai-ki [1 ,2 ]
Chen, Feng [3 ]
Jiang, Yue [1 ,2 ]
机构：
[1] Hong Kong Baptist Univ, Dept Biol, Kowloon Tong, Hong Kong, Peoples R China
[2] Hong Kong Baptist Univ, Kwong Living Trust Food Safety & Anal Lab, Kowloon Tong, Hong Kong, Peoples R China
[3] Univ Hong Kong, Sch Biol Sci, Hong Kong, Hong Kong, Peoples R China
来源：
BIOTECHNOLOGY LETTERS | 2010年 / 32卷 / 12期
关键词：
Antioxidant enzyme; Astaxanthin; Haematococcus pluvialis; Ultraviolet-B radiation; OXIDATIVE STRESS; IMPACT; DAMAGE;
D O I：
10.1007/s10529-010-0371-0
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Ultraviolet-B (UV-B) radiation has significantly negative effect on cell survival rate (P < 0.01) and positive effect on astaxanthin accumulation (P < 0.01) of Haematococcus pluvialis. H. pluvialis accumulated 3.2 mg/g of astaxanthin when being exposed to 5 W/m(2) of UV-B for 60 min prior to 72 h of high light treatment, which was 122% higher than that of the control. This UV-B treatment also significantly stimulated lipid peroxidation and the value of malondialdehyde and glutathione peroxidase activities were 156 and 166% higher than those of control, respectively (P < 0.01).
引用
收藏
页码：1911 / 1914
页数：4
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