Sulfite additives.
Microwaving the food conserves much of the thiamin.
Unfortunately, yes. The heat used in dehydration destroys Vitamins A and C (particularly important if you are dehydrating fruit). A sulfite treatment reduces this, but destroys thiamin. Low temperature and humidity during storage can reduce loss, but not eliminate it. Fresh is better.
what are alternatives for food additives?
You might be trying to define 'incidental food additives'. or indirect food additives
you use additives to preserve your food
Flavouring,colouring,bulking agents are some of the food additives.
'''thiamin''' pyrophosphate (TPP)
Thiamin vitamin b1 helps boost circulation and people never seem to get enough through food have been taking a supplement for many years !
Nova Net: Direct Additives
food enchancers are food additives
Food additives is what substances that are intentionally added to food to produce a desired effect. The additives are used to enhance the taste and appearance and is added to preserve flavor.
You will have to buy the Food Additives Data Book which lets you know the prices in Canada.