Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Overview of Algae01:28

Overview of Algae

1.6K
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...
1.6K
Red Algae01:23

Red Algae

2.0K
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...
2.0K
Green Algae01:21

Green Algae

1.1K
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...
1.1K
Other Algae01:19

Other Algae

625
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...
625
Microbial Bioremediation of Hydrocarbons01:26

Microbial Bioremediation of Hydrocarbons

142
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
142
Biofuels01:25

Biofuels

107
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...
107

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Non-replicating adenoviral vectors for cancer gene therapy.

Advances in cancer research·2026
Same author

Description of a New Marine Cyanobacterium from the Cabo Verde Archipelago: Pigments Profile and Biotechnological Potential of <i>Salileptolyngbya caboverdiana</i> sp. nov.

Marine drugs·2026
Same author

Metabolite Profiling of Bioactive Compounds in Algerian Opuntia Fruits With Emphasis on Their Anticancer Properties.

Journal of food science·2025
Same author

On the Antimicrobial Potential of <i>Asparagopsis armata</i>'s Ethanol Extract: A New Multiple-Industry Bio-Product?

International journal of molecular sciences·2025
Same author

Short Mucin-Type O-Glycans in Cancer: Biomarker and Therapeutic Potential amid Analytical Barriers.

Glycobiology·2025
Same author

Phytochemical Composition and Wound Healing Properties of <i>Echinacea angustifolia</i> DC. Root Hydroalcoholic Extract.

International journal of molecular sciences·2025
Same journal

Aggregate status determining the foaming behavior of phycocyanin: insights from bulk phase and air-water interface structure.

Food chemistry·2026
Same journal

Phenolipids: natural origins, synthesis, bioactivity, and functional relevance in food systems.

Food chemistry·2026
Same journal

Characterization and preparation of Litsea cubeba essential oil microcapsules encapsulated by modified maltodextrin prepared under the guidance of dynamic changes in protein structure.

Food chemistry·2026
Same journal

Cold plasma treatment of noni juice: A dual strategy for flavor improvement and bioactivity enhancement.

Food chemistry·2026
Same journal

Metabolomic insights into flavonoid migration and bioactivity enhancement in Apocynum venetum tea during hot-water brewing.

Food chemistry·2026
Same journal

Molecular crosstalk of probiotics in gut health: A chemical perspective on metabolite-mediated pathways.

Food chemistry·2026
See all related articles

Related Experiment Video

Updated: Apr 28, 2026

Analysis of Fatty Acid Content and Composition in Microalgae
07:44

Analysis of Fatty Acid Content and Composition in Microalgae

Published on: October 1, 2013

59.6K

Valuable compounds in macroalgae extracts.

Paula B Andrade1, Mariana Barbosa, Rui Pedro Matos

  • 1REQUIMTE/Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira No 228, 4050-313 Porto, Portugal.

Food Chemistry
|February 16, 2013
PubMed
Summary
This summary is machine-generated.

Ethanolic extracts from Portuguese macroalgae reveal bioactive compounds with significant enzyme inhibitory and antioxidant activities. Phaeophyta species, particularly Fucus spiralis, show high potential for use as food additives and in health preparations.

More Related Videos

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
10:20

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Published on: July 10, 2015

15.5K
Author Spotlight: Exploring Seaweed's Bioactive Compounds for Sustainable Innovations in Industries
10:18

Author Spotlight: Exploring Seaweed's Bioactive Compounds for Sustainable Innovations in Industries

Published on: November 21, 2023

3.3K

Related Experiment Videos

Last Updated: Apr 28, 2026

Analysis of Fatty Acid Content and Composition in Microalgae
07:44

Analysis of Fatty Acid Content and Composition in Microalgae

Published on: October 1, 2013

59.6K
Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
10:20

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Published on: July 10, 2015

15.5K
Author Spotlight: Exploring Seaweed's Bioactive Compounds for Sustainable Innovations in Industries
10:18

Author Spotlight: Exploring Seaweed's Bioactive Compounds for Sustainable Innovations in Industries

Published on: November 21, 2023

3.3K

Area of Science:

  • Marine biology
  • Phytochemistry
  • Pharmacology

Background:

  • Macroalgae are a rich source of bioactive compounds.
  • Portuguese coastal macroalgae represent an underexplored resource.
  • Understanding the chemical composition and bioactivity of algae is crucial for potential applications.

Purpose of the Study:

  • To analyze bioactive compounds in ethanolic extracts of 18 Portuguese macroalgae.
  • To evaluate the dose-dependent biological activity of these extracts against key enzymes and free radicals.
  • To establish correlations between chemical composition and biological activity using PCA analysis.

Main Methods:

  • Gas chromatography-mass spectrometry (GC-MS) for compound characterization.
  • In vitro assays to determine enzyme inhibition (α-glucosidase, acetylcholinesterase, butyrylcholinesterase) and antioxidant activity (DPPH, nitric oxide, superoxide, hydroxyl radicals).
  • Principal Component Analysis (PCA) to correlate chemical profiles with bioactivity.

Main Results:

  • Fourteen compounds identified, including proline, phloroglucinol, mannitol, fatty acids, and sterols.
  • Phaeophyta exhibited the most promising dose-dependent bioactivity.
  • Specific species like Cystoseira spp. and Fucus spiralis showed high activity, linked to phloroglucinol, mannitol, specific fatty acids, and fucosterol content.

Conclusions:

  • Phaeophyta species possess potent antiradical activities, suggesting their use as food additives.
  • Fucus spiralis is highlighted for its importance in Mediterranean food chains.
  • Algal extracts show potential for use in food, nutraceutical, and pharmaceutical products to manage hyperglycemia and inhibit cholinesterases.