Some do. Spray-dried vegetable powders, such as some tomato and beetroot powders, often contain maltodextrin or another carrier to help them dry. Air-dried and milled powders, such as most onion, garlic, carrot and spinach powders, are usually 100 percent vegetable.
A carrier is not a fault in itself. The problem is when you do not know it is there. It changes your label, your recipe and the real cost of the vegetable you are buying.
Why carriers are used
Vegetable juices that are high in natural sugar become sticky when dried. In a spray dryer they stick to the walls and form lumps. A carrier such as maltodextrin raises the temperature at which the powder stays dry and free flowing.
Carriers also make the powder less likely to cake in storage and easier to dissolve in water. For drinks and instant mixes, that can be a real benefit.
Common additions to vegetable powders
- Maltodextrin: the most common carrier in spray-dried powders. It is usually made from maize, tapioca or wheat starch.
- Gum arabic or other gums: used as carriers in some products.
- Anti-caking agents such as silicon dioxide: added in small amounts to keep powders flowing.
- Salt or sugar: added in some seasoning-style powders.
- Other vegetable or starch fillers: sometimes added to bring down cost, which is where honest labelling matters most.
Why it matters to you
- Labelling: every added ingredient must appear on your ingredients list.
- Allergens: maltodextrin from wheat raises a gluten question. Ask for the source.
- Clean label claims: you cannot call a product "100 percent vegetable" if it has a carrier.
- Value: if a powder is part carrier, you are paying for less vegetable.
- Performance: colour, flavour strength and dosage in your recipe change with carrier content.
How to find out and control it
Ask the supplier for the full composition in writing, with the share of each ingredient. Ask for the drying method too, since a spray-dried powder with no carrier is unusual for sugary vegetables. Our article on spray-dried versus drum-dried powders explains why.
Lab tests can help but are not always conclusive. Sugar, starch and fibre profiles can suggest a carrier, but natural variation makes exact figures hard. The strongest controls are a written composition, a site visit to see what goes into the dryer, and a contract clause that makes undeclared additions a breach.
Write the composition into your product specification, with a tolerance if a carrier is allowed. Keep a sealed approval sample so you can compare later shipments.
How we help
We see the feed tanks and dryers in use, check batch records for added ingredients, and confirm the composition in the contract. Samples are tested at an NABL-accredited lab against your spec. To check a powder offer, ask for a free sourcing review.