Context:
The Department of Fisheries, under the Ministry of Fisheries, Animal Husbandry and Dairying, has officially recognized the ICAR-Central Marine Fisheries Research Institute (CMFRI) as a Centre of Excellence for seaweed cultivation.
Relevance:
GS III: Environment and Ecology
Seaweeds
- Seaweeds refer to a diverse group of marine plants and algae found in oceans, rivers, lakes, and other aquatic environments.
- These organisms come in various colors including red, green, brown, and black, ranging from tiny forms to expansive underwater forests.
Anchorage and Growth
- Seaweeds attach to substrates using root-like structures called “holdfasts,” which solely serve for anchorage without nutrient absorption, unlike terrestrial plant roots.
- Typically, seaweeds exhibit distinct zonation patterns, thriving in shallow waters up to 50 meters (approximately 165 feet) deep.
Utilization and Benefits
- Culinary and Commercial Use: Many seaweed types are edible and hold significant commercial value.
- Agricultural Application: Often utilized as fertilizers or for their polysaccharide content.
- Health Benefits:
- Antioxidant Properties: Seaweeds are rich in antioxidants that shield the body from oxidative damage caused by free radicals.
- Fat Metabolism: Studies indicate that certain compounds in seaweeds boost the production of proteins that effectively metabolize fat.
- Diabetes Management: Consuming seaweed may regulate blood sugar levels, aiding in diabetes management.
- Anti-inflammatory and Antimicrobial: Contains compounds that offer anti-inflammatory and antimicrobial benefits.
- Industrial Uses:
- Manufacturing Additives: Used as binding agents or emulsifiers in products like toothpaste and fruit jellies.
- Cosmetic Applications: Act as softening agents in various organic skincare and cosmetic products.
-Source: The Hindu