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Related Concept Videos

Green Algae01:21

Green Algae

91
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
91
Lipid Catabolism01:25

Lipid Catabolism

139
Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
139

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Analysis of Fatty Acid Content and Composition in Microalgae
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Multifarious extraction methodologies for ameliorating lipid recovery from algae.

Mohapatra Sneha1, S Sowmya1, M Premalatha1

  • 1Department of Energy and Environment, National Institute of Technology Tiruchirappalli, Tamil Nadu, India.

Environmental Research
|December 10, 2022
PubMed
Summary
This summary is machine-generated.

Algae are a promising biofuel source, but efficient lipid extraction remains a challenge. This review compares various pretreatment methods to optimize lipid yield for cost-effective biodiesel production.

Keywords:
AlgaeIonic liquidsLipid extractionSonicationSupercritical CO(2) extractionSwitchable polarity solvent

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Area of Science:

  • Biotechnology and Renewable Energy

Background:

  • Algae are a sustainable source for biofuel production, crucial for meeting global transportation fuel demands.
  • Efficient lipid extraction from diverse algal strains is a significant bottleneck in biofuel development.

Approach:

  • This review critically examines various physical, mechanical, and chemical pretreatment methods for algal lipid extraction.
  • Commonly used methods like homogenization, sonication, Soxhlet extraction, microwave treatment, and bead-beating are analyzed in detail.
  • Emerging techniques such as supercritical CO2 extraction and ionic liquid-based methods are also discussed.

Key Points:

  • Optimizing lipid yield is essential for making algal biofuel financially viable and environmentally sustainable.
  • A comparative analysis of pretreatment methods is presented to identify efficient and economical options.
  • The focus is on methods suitable for pilot-scale biodiesel production.

Conclusions:

  • Selecting an appropriate lipid extraction method is critical for the successful industrial application of algal biofuels.
  • Further research and pilot-scale demonstrations are needed for advanced extraction techniques.
  • The goal is to achieve cost-effective, scalable, and environmentally friendly biodiesel production from algae.