Related Experiment Video

Updated: Jun 3, 2026

Isolating and Incorporating Light-Harvesting Antennas from Diatom Cyclotella Meneghiniana in Liposomes with Thylakoid Lipids
11:28

Isolating and Incorporating Light-Harvesting Antennas from Diatom Cyclotella Meneghiniana in Liposomes with Thylakoid Lipids

Published on: August 28, 2018

The allenic carotenoid fucoxanthin, a novel marine nutraceutical from brown seaweeds

Kazuo Miyashita1, Sho Nishikawa, Fumiaki Beppu

  • 1Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan. kmiya@fish.hokudai.ac.jp

Journal of the Science of Food and Agriculture
|March 25, 2011
PubMed

Insights

Fucoxanthin, a seaweed carotenoid, shows promise for combating obesity and type 2 diabetes by boosting UCP1 in fat tissue and regulating inflammatory signals. This natural compound aids in fat oxidation and improves insulin sensitivity.

Area of Science:

  • Nutritional Science
  • Metabolic Disease Research
  • Marine Biotechnology

Background:

  • Obesity and type 2 diabetes are global health crises with limited therapeutic options.
  • Targeting uncoupling protein 1 (UCP1) in white adipose tissue (WAT) and regulating cytokine secretion are key therapeutic strategies.
  • Fucoxanthin, a seaweed-derived carotenoid, has demonstrated potential anti-obesity and anti-diabetic effects.

Purpose of the Study:

  • To investigate the nutrigenomic mechanisms behind fucoxanthin's anti-obesity and anti-diabetic effects.
  • To explore fucoxanthin's role in inducing UCP1 expression and regulating cytokine secretion in adipose tissue.
  • To identify key structural features of carotenoids responsible for anti-obesity activity.

Main Methods:

  • Nutrigenomic analysis to study gene expression changes induced by fucoxanthin.
  • Mitochondrial studies focusing on UCP1 induction in abdominal WAT.
  • Analysis of cytokine secretion from adipose and macrophage cells.
  • Structure-activity relationship assessment of carotenoids.

Main Results:

  • Fucoxanthin induces UCP1 in abdominal WAT mitochondria, promoting fatty acid oxidation and heat production.
  • Fucoxanthin improves insulin resistance and lowers blood glucose levels by modulating cytokine secretions.
  • The specific carotenoid end structure, featuring an allenic bond and hydroxyl groups, is crucial for anti-obesity effects.

Conclusions:

  • Fucoxanthin is a promising natural compound for developing anti-obesity and anti-diabetic therapies.
  • UCP1 induction and cytokine regulation in WAT are key mechanisms of fucoxanthin's action.
  • Carotenoid structure-activity relationships provide insights for designing novel therapeutic agents.

More Related Videos

Valorization of the Red Seaweed Gracilaria gracilis Through a Biorefinery Approach10:18

Valorization of the Red Seaweed Gracilaria gracilis Through a Biorefinery Approach

Published on: November 21, 2023

Analysis of Fatty Acid Content and Composition in Microalgae07:44

Analysis of Fatty Acid Content and Composition in Microalgae

Published on: October 1, 2013

Related Concept Videos

Other Algae01:19

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...
Red Algae01:23

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 Algae01:21

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...
Channel Rhodopsins01:11

Channel Rhodopsins

Most organisms use photoreceptors to sense and respond to light. Examples of photoreceptors include bacteriorhodopsins and bacteriophytochromes in some bacteria, phytochromes in plants, and rhodopsins in the photoreceptor cells of the vertebral retina. The light-sensitive property of these receptors is because of the bound chromophores, such as bilin in the phytochromes and retinal in the rhodopsins.
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...
Biofuels01:25

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...