Related Experiment Video
Updated: Jun 23, 2026

11:08
Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
Published on: January 7, 2019
20.8K
Algal Cultivation for Obtaining High-Value Products
Cecilia Faraloni1, Eleftherios Touloupakis2
1Istituto per la Bioeconomia, Consiglio Nazionale delle Ricerche, Via Madonna del Piano 10, Sesto Fiorentino, 50019 Firenze, Italy.
Marine Drugs
|March 26, 2025
Summary
Microalgae offer a sustainable solution for high-value products, driven by increasing demand for natural ingredients. Their efficiency and adaptability make them ideal renewable biomass sources for various industries.
Area of Science:
- Biotechnology and Sustainable Resources
- Phycology and Biomaterials
Background:
- Growing global demand for renewable biomass and natural ingredients fuels interest in sustainable resources.
- Concerns over synthetic chemicals increase the need for natural alternatives in human health, food, cosmetics, and animal nutrition.
- Microalgae present a promising solution due to their efficient photosynthesis and metabolic diversity.
Discussion:
- Microalgae's ability to thrive in harsh environments enhances their viability as a sustainable resource.
- Their diverse metabolic pathways allow for the production of a wide range of high-value compounds.
- Investigating microalgae contributes to the development of eco-friendly products and processes.
Key Insights:
- Microalgae are efficient photosynthetic organisms.
- They possess diverse metabolic capabilities for producing valuable substances.
- Their resilience in extreme conditions makes them a robust biomass source.
Outlook:
- Further research into microalgal cultivation and processing can unlock their full potential.
- Expansion of microalgae applications in pharmaceuticals, nutraceuticals, and biofuels is anticipated.
- Microalgae represent a key component in the future bioeconomy.
More Related Videos
Related Concept Videos
Overview of Algae
The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
Red Algae
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
Green Algae
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...
Other Algae
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
Production of Alcohol
Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...
Biofuels
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...

