Written by ann Danahy, MS, RDN top top December 1, 2020 — median reviewed by Katherine Marengo LDN, R.D., specialty in nutrition

Whether you warmth your milk for wellness or culinary reasons, you can wonder just how boiling may impact it.

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In fact, boiled milk’s nutritional profile and also health benefits are different than those of milk right from the carton.

This short article looks at the nutrients and benefits the boiled milk, and also why you might or could not wish to boil your milk before drinking it.

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The boiling point of cow’s milk is around 203°F (95°C) (1).

That means if you’re adding milk to a recipe that’ll be cooked or baked, such together one for pudding or cake, it will certainly technically reach its boiling allude during the food preparation process.

Some people also boil milk to death bacteria and also prevent foodborne illnesses. However, it is unnecessary.

In the united States, commercially created dairy milk that’s sold throughout state lines should be pasteurized. That does not constantly mean the boiled, however it’s heated come a high enough temperature — commonly 161°F (71.7°C) for 15 secs — to kill any harmful pathogens (2).

Thus, you don’t have to boil milk because that safety reasons unless that raw, unpasteurized milk. In the case, bringing it to a boil or near a boil will substantially reduce most bacteria level sufficiently (1).


People frequently boil milk when they use it in cooking. You have the right to boil raw milk come kill any harmful bacteria. However, cook milk is commonly unnecessary, as many milk in the grocery store is already pasteurized.

Milk is a really nutritious food. It has a balanced mix the high top quality protein, carbs, and fat.

It also supplies countless important vitamins and also minerals. A 1-cup (237-mL) offer of entirety milk offers (3):

Calories: 146Protein: 8 gramsCarbs: 11.4 gramsFat: 8 gramsCalcium: 300 mg (23% of the daily Value (DV))Riboflavin: 0.337 mg (26% the the DV)Vitamin D: 2.68 mcg (13% of the DV)Phosphorus: 246 mg (20% that the DV)Vitamin B12: 1.32 mcg (55% the the DV)

Research examining changes in vitamin and mineral materials in raw versus heated milk found that regular pasteurization temperature did not change nutrient content much (4, 5, 6).

On the various other hand, ultra-high-temperature (UHT) pasteurization influence the contents of many vitamins. This procedure heats milk past its boiling suggest to 275–302°F (135–150°C) (4, 5, 6).

Boiling likewise alters milk proteins. The two primary proteins in milk space casein and whey.

Casein comprises around 80% the the protein in milk, when whey account for about 20% (4).

The casein in milk is fairly stable, also when heated come the boiling point. However, heating whey protein will change its structure, even prior to it hits the boiling suggest of milk (4).

The major carbohydrate in milk is lactose, and also it’s perceptible to heat. As soon as you cook milk, few of the lactose transforms into a nondigestible sugar called lactulose and other compound (4).

Boiling alters the fat in milk somewhat, too. Milk contains a mix that short-, medium-, and long-chain fatty acids (7).

While the total fat content is stable with boiling, few of the long-chain fats may be converted right into short- and also medium-chain fat (7).


Milk is a really nutritious food through a wide range of nutrients. When you boil it, few of the vitamins break down. Several of the fat, protein, and carbs may also change.

There are pros and cons come boiling milk. Even if it is you must boil it depends on what you wish to get from drink milk.

More useful fats

The additional short- and also medium-chain fat acids in boiled milk might administer some wellness benefits.

Short-chain fats are critical fuel because that the cell in your gut. They’re linked with much better gut health and a lower risk the colon cancer. Some studies also suggest short-chain fats play a function in cultivating a healthy body weight and blood sugar and also blood pressure levels (8).

The body metabolizes medium-chain fats differently than various other fats. Rather of save on computer them, the human body absorbs castle quickly and uses castle as energy (9).

Some evidence argues replacing long-chain fat in your diet with medium-chain fats might modestly increase the variety of calories you burn, thus contributing to load loss (9).

Better tolerance

Because that the transforms in protein and also lactose that happen when you cook milk, human being who have milk protein allergy or lactose intolerance can find it simpler to digest.

A examine on heat treatments and also milk protein established 364 proteins in milk. After boiling, 23 of the proteins were substantially diminished (10).

That may be why some research has presented that kids with milk allergies can sometimes tolerate cooked or baked foods made with milk.

A study in 134 kids allergic to milk proved that 69% to be able come tolerate some develops of cook milk (11, 12).

Some the the lactose contents of milk is additionally reduced in boiled milk. Cook converts it right into different species of acids and also lactulose, a form of sugar that human beings don’t absorb (4).

Still, if you have actually a milk protein allergy or lactose intolerance, it’s important to understand that boiling might not cause enough that a change for you to safely consume milk.

Reduced nutrient

The B vitamin (thiamine, riboflavin, niacin, folic acid, B6, and B12) space sensitive to factors like light and also heat.

One research looked at how boiling milk readjusted its vitamin content. The study discovered that cook milk diminished levels of all of the B vitamins by at the very least 24%. Folic acid decreased by 36% (5).

While it is significant, milk is not crucial source of B vitamin in most people’s diets, with the exemption of the B vitamin riboflavin (5, 6).

Riboflavin functions with other B vitamin to convert the food girlfriend eat right into energy. It’s rarely to it is in deficient in riboflavin, as you can gain it from countless foods.

Still, milk is a significant source that riboflavin, especially in children diets. Boiling milk reduce the riboflavin contents by 27% (5, 13).

Additionally, the structural changes of some milk proteins cause the human body to digest and retain much less protein native milk. One examine in 25 civilization found the when human being drank UHT pasteurized milk, they retained 12% less protein than after drinking regular pasteurized milk (14).

If you depend on milk as a protein source, boiling it might cause you to acquire less protein than you’d like.

Taste and also quality changes

Due come the Maillard reaction, boiled milk deserve to have a slightly different flavor and darker color. This chemical reaction happens when foodstuffs are heated and also proteins react through sugars (4, 15).

The alters in taste and also color can not be noticeable if girlfriend flavor your milk or use it in cooking. However, if friend drink that straight, her milk could taste and look a tiny different after that boiled.


Drinking boiled milk has actually pros and cons. You will gain less riboflavin and digestible protein, yet you might advantage from more short- and medium-chain fats. People with lactose intolerance and milk allergies might tolerate boiled milk better.

Boiling milk could sound simple, yet there’s an art — and also some science — to boiling milk correctly, whether you plan to drink the or use it in a recipe.

Milk is consisted of of water, fats, carbs, and also protein. When you warm it, the water starts to evaporate, and also the other components start to separate.

Bringing it come a cook too easily can burn the sugars and also curdle the whey protein. That causes scorching top top the bottom of your pan and a skin to kind on top. Boiling milk likewise forms a foam on peak that deserve to spill over quickly and also make rather a melted mess on your stovetop.

It’s ideal to warmth your milk slowly over medium heat, and also stir that while it pertains to a boil. Stirring and also heating gently help hold the water, carbs, fat, and protein in milk together.

As shortly as you watch bubbles forming about the edges of the pot and also just a couple of in the middle, revolve off the heat.

The higher you warm your milk, the an ext likely that is that you’ll denature the proteins and also cause curdling. When food preparation at a higher heat, you’re also much more likely to notification taste and also color changes from the Maillard reaction.

Continue to stir her milk as it cools. That must prevent a skin from developing on height of the milk. If the does form, the perfectly safe to eat. However, if friend don’t treatment for the chewy texture, you deserve to skim it off and also discard it.


To cook milk, warm it slowly, stir that while that heats, and make certain you execute not overcook it. Revolve the heat off as soon as you view bubbles that show it’s boiling. If you proceed to row it together it cools, it’ll be less likely to form a skin ~ above top.

Boiling pasteurized milk will certainly not necessarily do it any kind of safer to consume. However, you can gain some nutritional benefits from boiling your milk.

These include much more short- and also medium-chain fats, i beg your pardon may help promote weight loss and better gut and also metabolic health.

Since it has less lactose and some that the proteins space inactivated, there’s a chance that civilization with lactose intolerance and milk allergies might have the ability to tolerate it much better than consistent pasteurized milk straight from the carton. However, this is not guaranteed.

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On the flip side, some an unfavorable effects can come v boiling milk. Namely, it provides less protein and fewer B vitamins.

Boiled milk can also have a various taste and texture. You deserve to minimize this if you carry it to a boil slowly and stir it while it’s comes to cook temperature and cooling.