The process of flash - freezing (foods being frozen at a very low temperature and frozen very quickly) actually preserves and allows for optimal nutrient retention. (wholesomebabyfood.momtastic.com)
It is easier, but it also has the best flavor and allows for concentrated nutrient retention. (goingcavewoman.com)
The water and nutrient retention capacity is increased thanks to a high level of organic matter and permanent soil cover. (fao.org)