Brown algae is the largest, most complex type of algae. The largest species, and one of the most well-known, is kelp.
| Compounds of Interest | Applications |
|---|---|
|
Omega-3-PUFA Omega-6-PUFA Arachidonic acid Tannins Carotenoids Fucoxanthin Fucosterol Lutein Astaxanthin |
Nutrition: great source of essential PUFAs Microalgae carotenoids:
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| Why SFE |
|---|
|
The whole biomass is available for extraction PUFAs are thermolabile and so can be retained in high concentrations Fucoxanthins are sensitive to heat, light, and low pH and therefore cannot be obtained from other methods |
| Optimization |
|---|
|
For extract high in phlorotannins: 48.98˚ C/4,351psi For extract high in carotenoids/fucoxanthin/total FA/antioxidant: 50.62˚ C/4,350psi It is noted that the whole extract may have synergistic effects |
