TPV Podcast Episode 373: How Many Vegetables (Part 4 ...
Oct 11, 2019· It depends on how you are measuring nutrient loss, the exact food, and the exact dehydrating and powdering process. Most of the typical grinding techniques to make a vegetable powder also cause loss of nutrients. (26:23) The normal methods for grinding after convection dehydration, or hot air drying, would add mechanical heat.