Drying vegetables is an ideal method for preserving them. The dehydrating process is essential because it prevents bacteria from growing on the vegetables. This is done by evaporating water from it. Dehydrated vegetables are produced without the addition of chemicals and preservatives, which is a huge plus.

There are several ways of dehydrating veggies. The conventional way to dehydrate vegetables is to simply dry them in the sun for two or three days, or in an oven at low pressure. Most people prefer to add spices when dehydrating vegetables, because it enhances flavor. After dehydrating the veggies, they are placed away from moisture.

Pros Nutrition 
On the brighter side, the nutritional content of dehydrated vegetables remains almost unchanged. It doesn’t affect the flavor of the veggies as well.

Calories 
In veggies which are dehydrated, most of the calorie content is retained. Along with other benefits, with the removal of moisture, the storage life of vegetables increases as well.

Texture
The appearance of the vegetables improves considerably with all the different colors. This way, it is much easier for you to convince your child to eat veggies.

Weight and Volume
The weight as well as volume of vegetables decreases after being dehydrated. This is essentially handy when it comes to shipping them.

Feasible Preparation Time
You can easily buy these pre-dried veggies online. They will be delivered right to your doorstep. Thereby, if you want to use them for cooking, it won’t take long.

Usable After Being Rehydrated 
It’s easy to retain the original form of a vegetable. You can place the dehydrated vegetables in cold water overnight and have them back to be used in salads and other dishes as well.

Vegetable Powder
For soups and smoothies, you need vegetable powder to add flavor. You can get this vegetable powder from dehydrated veggies by simply blending them.

Con
During the process of dehydration, as the vegetables are exposed to heat, some of the vitamins are lost, which include Vitamin C. An inconsiderable amount of vitamin B is also lost.

https://www.motherearthproducts.com/ are far better than frozen or canned products, as they can replace fresh and frozen veggies in a bulk of recipes. 
In essence, they are a good choice. The methods used for dehydrating veggies today are safe and don’t cause any contamination, which means you don’t have to worry about any health risks or other similar issues when using vegetables which lack moisture.