Is there any other new method of food preservation ??Did Nuclear Radiation safe??

Question

Pasteurizing can completely sterilizes food,

it is better than canning and no preservative,

but it destroy the vitamin too.

Is there any other new method of food preservation ??

Did Nuclear Radiation safe??

Answer 1

Gamma radiation is safe for "sterilizing" or pasteurizing food.

Gamma radiation is only very strong x-rays, and it does not leave food radioactive.