It has therefore been necessary to focus the research effort
on the eco-development aimed at the improvement of the aspects
of the product that have a greater impact on the LCA.
These aspects are as follows: tuna as a raw material (fishing
and frozen sea transport, long distance air transport, larger relative
weight of the product); plastic packages and packing
(plastic manufacture from petroleum, transport and packages
manufacturing); cardboard packing (wood extraction, cardboard
manufacturing, transport) and transport of the product
for its distribution