In 1933, a study was made at Gloucester,
Mass., on oxidation of mackerel
oil (Stansby and Lemon, 1941), as a part
of a longer study on handling fresh
mackerel. This was probably the first
research on oxidation of fish oil carried
out not only by our agency but anywhere
else.
From 1932 to 1950, many studies were
carried out on vitamin A content of fish
oils. This research began in Gloucester,