Is It Safe to Eat Cornstarch? (2024)

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Updated: Mar. 11, 2022

Is It Safe to Eat Cornstarch? (2)Alaina DiGiacomo/Taste of Home

This kitchen staple is safe in moderation.

Cornstarch is the starch that comes from a grain of corn. It’s taken from the endosperm of the kernel of corn and is a common ingredient in sauces, soups and baked goods. Cornstarch is one of the best thickeners out there and can transform a watery mixture of ingredients into a hearty stew in no time.

Is it safe to eat cornstarch?

Yes, it is safe to eat cornstarch in small amounts. Cornstarch should never be consumed raw, though. Most recipes that use cornstarch call for 1 to 2 tablespoons that are heated either on the stovetop or in the oven.

To thicken a sauce, soup or stew, mix a small amount of cornstarch with cold water to create a slurry. From there, whisk the mixture into your recipe and watch it work its magic.

To give your favorite pie filling that gel-like consistency, whisk cornstarch into the sugar before adding it to the fruit mixture. Cornstarch can also be used as an egg substitute in vegan baked goods.

Here are genius uses for cornstarch that don’t involve eating it.

Is cornstarch bad for you?

Small servings of cornstarch are not bad for you. However, eating a large amount of cornstarch or consuming it raw is not recommended. Cornstarch tends to be high in carbohydrates and low in nutrients. This gives it a high glycemic index.

A food’s glycemic index describes how much that food affects your blood sugar level. Foods with a high glycemic index, like cornstarch, are digested quickly and cause your blood sugar level to increase quickly. This affects all of us and is especially important for individuals with diabetes to be aware of. Most starchy foods have a high glycemic index and should be enjoyed in moderation.

Cornstarch Substitutes

If you’d like to branch out from the usual cornstarch slurry in your cooking, try any of these substitutions:

  • All-purpose flour: Substitute 2 tablespoons of flour for every 1 tablespoon of cornstarch.

  • Potato starch: Substitute 1 tablespoon of potato starch for every 1 tablespoon of cornstarch.

  • Rice flour: Substitute 2 tablespoons of rice flour for every 1 tablespoon of cornstarch.

  • Tapioca starch: Substitute 2 tablespoons of tapioca starch for every 1 tablespoon of cornstarch.

  • Arrowroot powder: Substitute 2 teaspoons of arrowroot powder for every 1 tablespoon of cornstarch.

Originally Published: March 11, 2022

Author

Carrie Madormo, RN

Carrie is a nurse and health writer who has worked with Taste of Home for six years. As a former health coach, she’s written across a range of health publications and digital outlets and strives to translate the latest health and nutrition research into easy-to-understand information and actionable articles.

Is It Safe to Eat Cornstarch? (3)

Is It Safe to Eat Cornstarch? (2024)

FAQs

Is It Safe to Eat Cornstarch? ›

There is little nutritional benefit to cornstarch, and it can potentially raise blood sugar. Eating cornstarch in small amounts is OK, but it should be avoided in large quantities due to its highly processed nature and lack of essential vitamins or nutrients.

Is it okay to eat cornstarch raw? ›

Yes, it is safe to eat cornstarch in small amounts. Cornstarch should never be consumed raw, though. Most recipes that use cornstarch call for 1 to 2 tablespoons that are heated either on the stovetop or in the oven. To thicken a sauce, soup or stew, mix a small amount of cornstarch with cold water to create a slurry.

Why do people eat cornstarch? ›

Though it lacks nutrition, cornstarch is a highly multifunctional product. A safe way to eat cornstarch is by incorporating it in dishes — it acts as a great thickener in recipes for sauces, soups, stews and curries.

How much cornstarch is safe to eat? ›

Cornstarch can be enjoyed in moderation as part of a balanced diet. Stick to 1–2 tablespoons (8–16 grams) at a time and be sure to select varieties that are certified gluten-free if you have celiac disease or a sensitivity to gluten.

Why do I crave cornstarch? ›

A: Cravings for plain cornstarch or other “non-nutritive substances” such as uncooked rice or clay are termed “pica.” This often is a consequence of iron deficiency (Expert Review of Hematology, November 2016). Ask your doctor to test you for anemia.

What are the benefits of eating cornstarch? ›

Cornstarch also contains a small amount of dietary fiber. Americans typically don't get enough dietary fiber, so even the little bit in cornstarch can help. Finally, cornstarch is sometimes used to help people with glycogen storage diseases like severe fasting hypoglycemia.

What does eating starch do to your body? ›

Diets high in refined starches are linked to a higher risk of diabetes, heart disease and weight gain. In addition, they can cause blood sugar to spike rapidly and then fall sharply. This is especially important for people with diabetes and prediabetes, since their bodies can't efficiently remove sugar from the blood.

Can your body digest corn starch? ›

We conclude that in healthy humans, digestion of partially indigestible cornstarch is slow in the small intestine and its colonic fermentation continues 10-13 h after its ingestion.

Why do females eat corn starch while pregnant? ›

Food Cravings During Pregnancy

Others crave non-food items, such as clay and cornstarch. The craving and eating of non-food items is known as pica. Consuming things that aren't food can be dangerous to both you and your baby. If you have urges to eat non-food items, tell your doctor.

Is cornstarch good for your skin? ›

A wonder ingredient, Cornstarch is a natural moisture-absorbing powder which is often used as an alternate to chemically formulated talcum powders. This lightweight arrowroot powder is rich in antibacterial and anti-inflammatory properties, which soothe irritated skin and refresh the body, whilst not harming the skin.

What is cornstarch used for medically? ›

Corn starch is also used to coat tablets and as a disintegrant, which helps in the breakdown and absorption of tablets or capsules ingested into the body.

Does corn starch need to be cooked? ›

Cornstarch must be cooked to 95°C (203°F) before thickening begins. At that point, it usually thickens fairly quickly and the sauce turns from opaque to transparent. When cornstarch thins after it's thickened, it's usually due to continued stirring.

What is cornstarch made of? ›

Cornstarch is a fine, odorless, flavorless white powder derived from the endosperm of the corn kernel. Like rice grains, corn kernels consist of multiple layers: the outer protective pericarp (the “hull”), the germ, the endosperm, and the exposed tip cap, which is the point at which the kernel attaches to the cob.

Can you eat Argo cornstarch? ›

Argo representatives say that their laundry product contains nothing but cornstarch, a common thickener for soups and desserts. (They also say the starch-eating habit is “rare.”) According to medical opinion, eating large amounts of laundry starch often brings on anemia by blocking the body's absorption of iron.

What is corn starch used for in drugs? ›

In the pharmaceutical industry it is used as a disintegrant and binder. Disintegrants enable tablets and capsules to break down into smaller fragments (dissolve) so that the drug can be released for absorption. Corn starch is on the generally recognized as safe food substances list published by by the FDA.

Is it safe to eat raw cornstarch for mochi? ›

However, according to livestrong.com, “eating raw cornstarch may cause stomach upset such as gas and bloating”. It's the same for glutinous rice flour.

What does cornstarch taste like raw? ›

Cornstarch is flavorless and odorless, and is used mostly to alter the texture of foods. It's almost pure starch. Corn flour is a fine, ground powder made from dried whole corn kernels. It has an earthy, sweet taste.

Can you eat cornstarch raw in powdered sugar? ›

Raw cornstarch generally shouldn't be eaten raw, due to risks of causing digestive issues . But it's relatively low-risk when consumed in micro-quantities.

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