08. 12. 2022.

Dehydrated onion

‘Red’ onion is term used for many plants in the genus Allium. In every day language, it is, most usually, applied to garden or seed onion which is most widespread in this genus of plants.

Onion is one of the oldest vegetables and can be found in a number of recipes in all parts of the world.

It is available in various forms as fresh, frozen, canned, pickled, dried, minced, and “dehydrated” (dried).

Its application is so wide that it would take too much space just mentioning it, but most of it is common knowledge.

In nutrition and food industry, application is also so wide that we can hardly imagine a complete meal without presence of this powerful plant.

Like other dried vegetables, it is dried for preservation and, in any way of preparation, needs only 10-15 minutes of soaking in the water to restore humidity back into original shape without losing its natural properties – the smell, taste or color.


Aspartame is an artificial sweetener in the form of granules or powder.

It is sweeter than sugar approx. 200 times and used as its replacement in production of food and beverages.

Monosodium glutamate, also known as sodium glutamate and MSG, is the sodium salt of natural non-essential amino acid of glutamic acid.

In its pure form, it appears as a white crystalline powder.

Ascorbic acid, better known as vitamin C, is powder or crystal of white to pale-yellow color with antioxidant properties.

The name is derived from a (“not”) and scorbutus (“scurvy”), disease caused by deficiency of vitamin C.

Glucose is a simple sugar, monosaccharide, and is one of the most important carbohydrates.

It is used as an energy source in animals and plants. It is also one of main products of photosynthesis and serves as a starting substance for respiration.

At room temperature, citric acid is a white crystalline powder, easily soluble in water.

It can be obtained from lemon, but is usually derived from sugar by fermentation, using molds.

Carrot is a root vegetable of, usually, orange, purple, red, white or yellow color.

In ancient times, carrot was used as a medicinal herb because it contains substantial amounts of vitamins and various minerals.

Tomato concentrate is a thick paste made from mature tomatoes from which seeds and skin have been removed.

There are 2 production processes – “hot” and “cold break“. The “Hot break” process heats tomatoes to about 100° C, “cold break” occurs at about 66° C..

Tomato powder is obtained by drying tomato concentrate in several ways.

Commercially, most common are AD (“air dried”) and SD (“Spray Dried”).