期刊
JOURNAL OF APPLIED PHYCOLOGY
卷 25, 期 1, 页码 253-260出版社
SPRINGER
DOI: 10.1007/s10811-012-9859-4
关键词
Haematococcus pluvialis; Astaxanthin; Initial biomass density; Photoinhibition; Photobioreactor
资金
- Science Foundation Arizona Small Business Catalytic Fund Program (SFAz/SBC) [0040-07]
Initial biomass density (IBD) is an important factor that affects the viability and productivity of microalgae particularly when sunlight is used for photosynthesis. In this paper, the effect of IBD on photosynthesis, growth, and astaxanthin production of the green microalga Haematococcus pluvialis during the astaxanthin induction stage was studied in a glass column photobioreactor during different seasons. Of seven IBDs, i.e., 0.1, 0.5, 0.8, 1.5, 2.7, 3.5, and 5.0 g L-1 tested, 0.8 g L-1 IBD was optimal and resulted in the highest astaxanthin productivity of 17.1 mg L-1 day(-1). Severe photoinhibition of photosynthesis occurred at low IBD (e.g., 0.1 g L-1) cultures, especially in the winter, and severe light limitation to individual cells in high IBD cultures (> 2.7 g L-1) were responsible for reduced astaxanthin production. This was the first report quantitatively assessing IBD as the key limiting factor for astaxanthin production in H. pluvialis outdoor cultivation.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据