Cited by 85Algal biology and biofuel productionAquaculture Nutrition and GrowthAquatic Ecosystems and Phytoplankton Dynamics

Effect of light quality on growth rate, carbohydrate accumulation, fatty acid profile and lutein biosynthesis of Chlorella sp. AE10

Li, Dengjin, Yuan, Yizhong, Cheng, Dujia, Zhao, Quanyu·2019·Bioresource Technology

Abstract

Microalgae are feedstocks for multiple product development based on algal biorefinery concept. The effects of light quality (white, red and blue light emitting diodes) and macro-element starvations on Chlorella sp. AE10 were investigated under 20% CO 2 and 850 µmol m-2 d-1. Nitrogen and phosphorus starvations had negative effects on its growth rate. The biomass productivities were decreased from day 1 and the highest one was 1.90 g L-1 d-1 under white light conditions. Phosphorus starvation promoted carbohydrate accumulation under three LED light sources conditions and the highest carbohydrate content was 75.9% using red light. Blue light increased lutein content to 9.58 mg g-1. The content of saturated fatty acids was significantly increased from 37.51% under blue light and full culture medium conditions to 77.44% under blue light and nitrogen starvation conditions. Chlorella sp. AE10 was a good candidate for carbohydrate and lutein productions.

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Crossref · 10.1016/j.biortech.2019.121783

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Authors
Li, D., Yuan, Y., Cheng, D., & Zhao, Q.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Nanjing Tech University (CN)
Corresponding author
Zhao, Quanyu
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2019-11
Volume
291
Pages
121783
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2957836045
Cited by
85
References
50
Citations by year
2026: 9 · 2025: 10 · 2024: 15 · 2023: 17 · 2022: 14 · 2021: 14 · 2020: 6
FWCI
1.81
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (21576278)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
light quality, light-emitting diodes, red light, blue light, white light, nitrogen starvation, phosphorus deficiency, growth rate, carbohydrate accumulation, fatty acid composition, saturated fatty acids, lutein biosynthesis, microalgae, algal biorefinery, biomass productivity
MeSH terms
Carbohydrates, Chlorella, Fatty Acids, Light, Nitrogen, Phosphorus, Lutein, Biomass

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