Exploring economic viable species via assessing a tropic-specific microalgal collection  

作　　者：Chen MA Ni WANG Yi XIN Qinhua GAN Wenxu ZHOU Yandu LU 

机构地区：[1]State Key Laboratory of Marine Resource Utilization in South China Sea,School of Marine Biology and Fisheries,Hainan University,Haikou 570228,China [2]Hainan Engineering&Research Center of Marine Bioactives and Bioproducts,Haikou 570228,China [3]Haikou Innovation Platform for Research&Utilization of Algal Bioresource,Hainan University,Haikou 570228,China [4]Hainan Provincial Key Laboratory of Tropical Hydrobiotechnology,Hainan University,Haikou 570228,China

出　　处：《Journal of Oceanology and Limnology》2025年第1期210-218,共9页海洋湖沼学报(英文)

基　　金：Supported by the National Key R&D Program of China(Nos.2021YFA0909600,2021YFE0110100);the National Natural Science Foundation of China(Nos.32060061,32370380);the Key R&D Program of Hainan Province(Nos.ZDYF2024XDNY244,ZDYF2022XDNY140);the Natural Science Foundation of Hainan Province(No.322QN250);the Foreign Expert Foundation of Hainan Province(No.G20230607016E);the Program of Key Lab of Ministry of Education for Utilization and Conservation of Tropical Marine Bioresources(No.2023SCNFKF04)。

摘　　要：Locations around the equator provide unique habitats for microalgae presumably with exceptional vitality.To develop microalga-derived product systems,we previously created a(sub)tropical microalgal collection.In this study,two Chlorella strains(MEM176 and MEM193),adaptive to typical tropical climate,were isolated from the collection.The production performance was evaluated where both strains showed a robust growth in high temperatures and light intensities.Specifically,the strains MEM176 and MEM193 produced 503.6-mg/(L·d)and 411.3-mg/(L·d)biomass,respectively,with high contents of proteins.Their commercial and nutritional values were emphasized by amino acid compositions(e.g.,proline,valine,and phenylalanine).Particularly,higher amounts of proline were revealed in MEM176(47.9 mg/g dry biomass(DW))and MEM193(47.9 and 59.2 mg/g DW)than available commercial strains.Compared with MEM193,MEM176 produced 129.7%more lipids in which unsaturated fatty acids(particularly linoleic acid andα-linolenic acid)account for 65%of the total lipids.Therefore,it is promising to explore the potential of these Chlorella strains as food additives via outdoor cultivation in tropical area,notably MEM176 that exhibits superiority as sources of essential amino acids and valuable fatty acids.

关 键 词：CHLORELLA tropical species food additive MICROALGA 

分 类 号：Q949.2[生物学—植物学]