Algae or Not Algae?
Algae: a natural & renewable resource
Algae produce 50% of earth’s oxygen & play a vital role in reducing CO2
Employment opportunities for the local population, especially for women
100% natural & renewable (do not come from chemical industry)
Seaweeds: No competition with agriculture: arable land or fresh water
Traditional & multi-millennial use
No toxicity on commercial species
Algae are among the fastest growing plants in nature ! Growth rate up to 30% per day !
Rich in nutritional elements
10/17
Human & Algae: Timeline of a long story
Extraction of active molecules: food, feed, plants & biotechs
1st archaeological evidence of seaweeds consumption by human (Monte Verde, Chile)
Iodine extraction from kelps
Algae used as fertilizers
-14 000 BC -3 000 BC … XVIIth XVIIIth -XIXth XXth XXIst
Extraction of hydrocolloids from seaweeds
Use in glass industry
1st written evidence of the medicinal use of algae (China)
E 400- E405 Alginates E 406 Agar-agar E 407 Carrageenans
Algae or Not Algae?
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Transcript
Algae or Not Algae?
Algae: a natural & renewable resource
Algae produce 50% of earth’s oxygen & play a vital role in reducing CO2
Employment opportunities for the local population, especially for women
100% natural & renewable (do not come from chemical industry)
Seaweeds: No competition with agriculture: arable land or fresh water
Traditional & multi-millennial use
No toxicity on commercial species
Algae are among the fastest growing plants in nature ! Growth rate up to 30% per day !
Rich in nutritional elements
10/17
Human & Algae: Timeline of a long story
Extraction of active molecules: food, feed, plants & biotechs
1st archaeological evidence of seaweeds consumption by human (Monte Verde, Chile)
Iodine extraction from kelps
Algae used as fertilizers
-14 000 BC -3 000 BC … XVIIth XVIIIth -XIXth XXth XXIst
Extraction of hydrocolloids from seaweeds
Use in glass industry
1st written evidence of the medicinal use of algae (China)
E 400- E405 Alginates E 406 Agar-agar E 407 Carrageenans