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januari 2019 – Sida 2 – swerlander.com

Marine algae

Algae and algal products, such as agar, carragenin furcellaran and algins, have been used by humans for various purposes from time immemorial. For instance, during the fifteenth and sixteenth centuries soda was extracted from algae for use in glass manufacture and a century ago algae were the predominant source of raw material for iodine production. …