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Related Concept Videos

Red Algae01:23

Red Algae

526
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...
526
Green Algae01:21

Green Algae

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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...
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Other Algae01:19

Other Algae

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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...
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Overview of Algae01:28

Overview of Algae

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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...
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Extraction of Plant-based Capsules for Microencapsulation Applications
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Microalgae Encapsulation Systems for Food, Pharmaceutical and Cosmetics Applications.

Marta V Vieira1, Lorenzo M Pastrana1, Pablo Fuciños1

  • 1International Iberian Nanotechnology Laboratory, Food Processing and Nutrition Group, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal.

Marine Drugs
|December 18, 2020
PubMed
Summary

Encapsulation systems enhance the stability and bioavailability of microalgae bioactives for food, pharmaceutical, and cosmetic applications. This review explores techniques and materials for improved functional ingredient development.

Keywords:
bioactivecosmeceuticalsdrug delivery systemsfunctional food

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Area of Science:

  • Biotechnology
  • Marine Biology
  • Pharmacology

Background:

  • Microalgae possess diverse bioactive compounds with significant pharmacological potential (anticancer, antioxidant, anti-inflammatory).
  • Challenges such as chemical instability and poor solubility limit the bioavailability and industrial application of these natural bioactives.
  • Encapsulation offers a protective strategy to overcome these limitations, enhancing the efficacy of microalgae-derived compounds.

Purpose of the Study:

  • To review encapsulation systems for microalgae biomass, extracts, and purified bioactives.
  • To explore applications in the food, pharmaceutical, and cosmetic industries.
  • To summarize common encapsulation techniques and coating materials used.

Main Methods:

  • Literature review focusing on encapsulation strategies for microalgae bioactives.
  • Analysis of various encapsulation techniques (e.g., spray drying, emulsification).
  • Evaluation of different coating materials (e.g., polymers, lipids).

Main Results:

  • Encapsulation significantly improves the stability and bioavailability of microalgae compounds.
  • Successful application of encapsulation for enhancing functional properties in food, pharma, and cosmetic products.
  • Identification of optimal techniques and materials for specific microalgae bioactives.

Conclusions:

  • Encapsulation is a key enabling technology for maximizing the potential of microalgae bioactives.
  • The development of advanced encapsulation systems is crucial for the successful industrial utilization of these natural resources.
  • Further research into novel encapsulation methods and materials will expand their applications.