The cultivation of nori started about 300 yrs ago around the coast of Tokyo Bay and developed gradually in many localities Bundles of twigs of trees such as oaks, cherry, etc. were set in rows on the ground as the collectors, to which nori spores attach themselves and grow. In …

Of the global seaweed harvest, 85% – 95% goes to the food industry and is worth approx €4.1 billion per annum (p.a.). The most valuable crop produced by seaweed aquaculture is Nori – Porphyra – a red seaweed or alga. The value of this crop is around US$ 2 billion …

Algal toxins are toxic substances released by some types of algae when they are present in large quantities (Blooms) and decay or degrade. These toxins are called ‘Phycotoxins’ (from Greek, phykos, “seaweed”; and toxikon, “toxin”). They are usually complex allelopathic metabolites produced by algal secondary metabolic pathways. These metabolites are (in most cases) not harmful to …