混合营养生长和用稀释的味精废水培养的普通小球藻的生化分析。
Mixotrophic growth and biochemical analysis of Chlorella vulgaris cultivated with diluted monosodium glutamate wastewater.
机构信息
School of Environmental Science and Engineering, Shandong University, 27 Shanda Nan Road, Jinan 250100, China.
School of Environmental Science and Engineering, Shandong University, 27 Shanda Nan Road, Jinan 250100, China; Shandong Provincial Engineering Centre on Environmental Science and Technology, 17923 Jingshi Road, Jinan 250061, China.
出版信息
Bioresour Technol. 2014;152:471-6. doi: 10.1016/j.biortech.2013.11.047. Epub 2013 Nov 27.
Monosodium glutamate wastewater (MSGW) is a potential medium for microbial cultivation because of containing abundant organic nutrient. This paper seeks to evaluate the feasibility of growing Chlorella vulgaris with MSGW and assess the influence of MSGW concentration on the biomass productivity and biochemical compositions. The MSGW diluted in different concentrations was prepared for microalga cultivation. C. vulgaris growth was greatly promoted with MSGW compared with the inorganic BG11 medium. C. vulgaris obtained the maximum biomass concentration (1.02 g/L) and biomass productivity (61.47 mg/Ld) with 100-time diluted MSGW. The harvested biomass was rich in protein (36.01-50.64%) and low in lipid (13.47-25.4%) and carbohydrate (8.94-20.1%). The protein nutritional quality and unsaturated fatty acids content of algal increased significantly with diluted MSGW. These results indicated that the MSGW is a feasible alternative for mass cultivation of C. vulgaris.
味精废水（MSGW）是一种潜在的微生物培养介质，因为它含有丰富的有机营养物质。本文旨在评估利用 MSGW 培养普通小球藻的可行性，并评估 MSGW 浓度对生物量生产力和生物化学组成的影响。将 MSGW 稀释到不同浓度用于微藻培养。与无机 BG11 培养基相比，MSGW 极大地促进了小球藻的生长。用 100 倍稀释的 MSGW 可获得最大的生物量浓度（1.02 g/L）和生物量生产力（61.47 mg/Ld）。收获的生物质富含蛋白质（36.01-50.64%），脂质（13.47-25.4%）和碳水化合物（8.94-20.1%）含量低。藻类的蛋白质营养质量和不饱和脂肪酸含量随着 MSGW 的稀释而显著增加。这些结果表明，MSGW 是大规模培养普通小球藻的一种可行替代方法。
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