Formalin recently
classified by the International Agency for Research on Cancer (IARC) in the Group 1 ‘‘as carcinogenic to humans’’3.
Chemical reaction of added formalin with fish composition could produce toxic product (adduct) and have residual
harmful effects to the consumer. However, as consumers behavior in Bangladesh are habituated to eat well cooked
fish and fishery products which could reduce the FA content up to a level. Several study reported that different
household handling steps (freezing, thawing, washing, and cooking) could help to deduct the added FA from fish4.