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What is a food thickener?

Author

Ava White

Updated on March 06, 2026

What is a food thickener?

A food thickener is a thickening agent that increases the viscosity of a liquid mix without interfering with its other properties. Knowing how to thicken food is essential for preparing many recipes; most sauces, gravies, soups, and even desserts are thickened with some kind of starch.

Beside this, what can be used as a thickener?

Here is a list of the most common starch and gum food thickeners.

Wheat Flour. Wheat flour is the thickening agent to make a roux.
Cornstarch. The corn endosperm is ground, washed, dried to a fine powder.
Arrowroot.
Tapioca Starch.
Xanthan Gum.

Similarly, what is a natural food thickener? The starches most commonly used as thickeners are extracted from grains such as corn, wheat, or rice and root vegetables such as potato, cassava, and arrowroot.

Also to know is, what is an example of a thickener?

Examples of thickening agents include: polysaccharides (starches, vegetable gums, and pectin), proteins (eggs, collagen, gelatin, blood albumin) and fats (butter, oil and lards). All purpose flour is the most popular food thickener, followed by cornstarch and arrowroot or tapioca.

What is thickener for dysphagia?

Different from other food agents with thickening properties such as flour, corn-starch and tapioca, thickeners based on starch or gums are specifically processed in order to achieve a stable and appropriate texture free of lumps which is safe to be swallowed by patients suffering of dysphagia.

What is the best soup thickener?

Just remember, after you add some of the slurry, let the soup return to a simmer—cornstarch is a very effective thickener, and a little bit can go a long way. Cooked potatoes or rice can be mashed or puréed and added to soup for more body. Simmering potatoes and grains in soup will also thicken the liquid slightly.

What is the healthiest thickener?

Here are the results:

Irish Moss Seaweed, Best Thickener!
Agar agar – Second Prize goes to Agar.
Arrowroot – Third prize!
Kudzu – An excellent thickener.
Chia Seeds – An excellent thickener.
Flaxseed Meal – Very good, viscous holding power.
Potato Starch – A good thickener.
Cornstarch – A good thickener.

What can I substitute for flour for thickening?

Cornstarch can be subbed in for wheat flour at a 1:2 ratio. Because it's a durable thickener, you only need half the amount of cornstarch to create the same effect. Also, adding cornstarch to a gluten free recipe is a great way to add softness and texture to baked goods while keeping them grain free!

Why is thickener added to drinks?

Thickened drinks are normal drinks that have a thickener added to make them thicker. The goal of “thickeners” is to make all liquids, including beverages and soups, a thicker consistency that is less likely to cause aspiration. Thicker liquids travel more slowly down the throat and that makes them easier to control.

How can I thicken sauce without flour or cornstarch?

Cornstarch and arrowroot are gluten-free alternatives to thickening with flour. They'll also keep your sauce clear and cloud-free. You'll need about 1 tablespoon for every cup of liquid in the recipe.

Is lemon juice a thickening agent?

However, acidic ingredients such as lemon juice or vinegar can inhibit the thickening properties of cornstarch (and flour), preventing gelatinization. It's a good thickening agent for sauces, stews, gumbos, gravies, and fruit fillings, as it imparts a smooth, velvety mouthfeel.

What is the most common element of thickening agents?

Cornstarch is the most common thickening agent used in the industry. It is mixed with water or juice and boiled to make fillings and to give a glossy semi-clear finish to products.

Is xanthan gum better than cornstarch?

Xanthan and guar gum are much stronger thickeners than cornstarch, but they can be harder to obtain and use. Blending fruits and vegetables to add to food, adding coconut milk, or cooking foods for a little while longer can also help replace the need for thickening agents such as cornstarch.

What is the thickening agent in liquid soap?

Making soap requires several stages and one of them is to thicken the soap. Here's how to do it. Xanthan gum is a plant-based thickening agent while guar gum is a thickener in cosmetic formulations. Add ½ teaspoon of xanthan gum to ¼ cup of room temperature distilled water.

What is thickener made of?

Most thickeners are either starch- or gum-based. Starch particles expand by capturing the fluid, which means they keep absorbing more liquid and get thicker after they are prepared. As a result, they may be too thick 20 or more minutes after they are prepared.

What is a thickening agent called?

Cornstarch is the most common thickening agent used in the industry. It is mixed with water or juice and boiled to make ?llings and to give a glossy semi-clear ?nish to products. However, when cornstarch is cooked in water, the starch granules absorb water, swell, and rupture, forming a translucent thickened mixture.

How do I thicken sauce?

Instructions:

Combine equal parts cornstarch and cold water. Stir together until smooth.
Pour into your sauce and cook over medium heat, stirring continually, until the sauce reaches your desired consistency.
Test the sauce with a spoon.

Is milk a thickening agent?

One of the commonest ways to thicken any liquid, including milk, is to simmer it until most of its moisture content has evaporated. This makes the milk thicker for the simple and obvious reason that it is less watery.

Which of the following is not thickening agent?

It is a substance that can increase the viscosity of a liquid without substantially changing its other properties. Example of thickening agent are corn starch, flour and etc. Salt doesn't have a compound to act as thickening therefore salt is not a thickening agent.

What is the closest thing to cornstarch?

The 11 Best Substitutes for Cornstarch

Wheat Flour. Wheat flour is made by grinding wheat into a fine powder.
Arrowroot. Arrowroot is a starchy flour made from the roots of the Maranta genus of plants, which is found in the tropics.
Potato Starch.
Tapioca.
Rice Flour.
Ground Flaxseeds.
Glucomannan.
Psyllium Husk.

What is the healthiest way to thicken soup?

Add Flour, Cornstarch, or Other Thickener: Starches thicken soup and give it body. Whisk a few tablespoons of starch into a little of the broth in a separate bowl before whisking it into the main pot. This prevents the starch from clumping and helps it dissolve into the soup evenly.

What can I use to thicken without cornstarch?

Cornstarch is used to thicken liquids in a variety of recipes such as sauces, gravies, pies, puddings, and stir-fries. It can be replaced with flour, arrowroot, potato starch, tapioca, and even instant mashed potato granules.

What is the healthiest way to thicken a sauce?

Instead of eating dry or plain food, thicken sauces with healthy alternatives that are low carbohydrate and nutrient rich.

Vegetable Puree. MayoClinic.com recommends using vegetables such as carrots and cauliflower as an alternative to flour and cornstarch.
Whole-wheat Flour.
Barley.
Flaxseed.
Oat Flour.

How can I thicken my stew without flour?

Peel a potato. Chop it up. Put it in a blender with half a cup of water and blitz until it has formed a smooth liquid. When your stew has cooked down and the meat is soft enough, add the potato water to the stew and stir through over medium heat until the potato tastes cooked and stew has thickened.

What is the thickener 1422?

Acetylated distarch adipate (E1422), is a starch that is treated with acetic anhydride and adipic acid anhydride to resist high temperatures. It is used in foods as a bulking agent, stabilizer and a thickener. No acceptable daily intake for human consumption has been determined.

How do you make homemade liquid thickener?

If liquids are too thin, add one of the following common thickeners to get your liquid nectar-thick.

Banana flakes.
Cooked cereals (like cream of wheat or cream of rice)
Cornstarch.
Custard mix.
Gravy.
Instant potato flakes.

What foods thicken dysphagia?

These foods include entrees such as pasta dishes, cooked meats, and canned foods (soup, chili, and stews). Some very soft foods like ripe bananas, well cooked potatoes and avocado can be mashed with a fork or masher until smooth. A small amount of liquid may be added to make the food smooth and moist.

Can you use cornstarch to thicken drinks?

For each cup of liquid, you want to thicken, start with 1 tablespoon of cornstarch in a small bowl. Add an equal amount of cold liquid and stir until smooth paste forms. This is your slurry. Whisk the slurry into the hot, simmering liquid that you want to thicken.

How does a thickener work?

Thickeners are mechanically continuous process equipment which operates on a particle/floccule sedimentation principle where in simplest terms the solids settle to the bottom of the thickener tank and the water overflows the tank.

Does thick water help dysphagia?

Thickened liquids are often used in the management of dysphagia to improve bolus control and to help prevent aspiration. A range of starches and gums has historically been used to thicken liquids.

Can you thicken pop?

CAN YOU THICKEN SODA POP? Yes, but carbonation will be lost. Gum-based thickeners can retain carbonation. Also, depending on the thickener you use the beverage may “foam up” so start with a larger glass to allow for expansion and easy stirring.

Does thickener cause constipation?

Do thickeners have side effects? Thickening agents may cause side effects such as constipation, gassiness, or loose stools (soft poop or diarrhea).

Is liquid thickener covered by insurance?

Typically medical insurance does not cover food items. If your insurance carrier asks for a code, thickener falls under reimbursement code B4100.

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