Pumping with Excess Lipase (Photo Tutorial on Scalding Breast Milk) (2024)

One of the most common problems that pumping moms have is excess lipase, which can make their breast milk taste sour or soapy after being stored for a certain period of time. If you are exclusively pumping with excess lipase, here’s what you need to know to manage your breast milk so that you can store your milk in the refrigerator or freezer without the taste going “off” (including a photo tutorial on how to scald your breast milk).

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What does it mean to have excess lipase in breast milk?

Lipase is an enzyme that breaks down the fats in your breast milk. This helps your baby digest the fatty parts of your milk.

However, extra lipase can speed up this process, which can make the milk taste sour or soapyafter some time has passed. (You might also find that your breastmilk smells like vomit, or eggs, or metallic.)Therefore, excess lipase is not an issue while nursing or feeding fresh breast milk, only milk that has been stored for a while.

Breast milk with excess lipase is actually safe for your baby to drink! However, he or she may refuse it because of the taste.

Does having excess lipase affect refrigerated milk, or just frozen milk?

It can affect any milk that’s not fed right away, but because lipase acts over time, the newer the milk, the less likely it is that lipase will be an issue.

How do I know whether or not there is too much lipase in my breast milk?

If your baby refuses your frozen or refrigerated milk, but will take your fresh breast milk, it’s a good idea to taste a drop or two of the milk your baby won’t eat and compare it to a few drops of your fresh breast milk. If it tastes different, excess lipase is the most likely culprit – particularly if the older milk tastes sour or soapy.

One great idea that you can try is testing your milk every hour to see when the taste starts to change.

This will be helpful in two ways – first, you can confirm it’s not an issue with your milk storage in general (such as your freezer not being cold enough, or possibly an issue with using plastic), and second, you can see how quickly you need to scald your breastmilk (which will allow you to feed it to your baby later).

So scalding my breast milk will fix my excess lipase issue?

Yes, heating fresh breast milk to about 180 degrees Fahrenheit (82 degrees Celsius) will inactivate the lipase. After scalding, you can refrigerate or freeze the breast milk, and the taste won’t go off for a much longer period of time. (More info on how to scald breast milk below.)

However, if the taste of the milk has already changed to sour or soapy, scalding won’t help.

Doesn’t scalding breast milk remove the nutrition from it?

It may lower some nutrient levels and does destroy the antibodies, but as long as ALL of the milk your baby gets isn’t scalded, you should be fine.

Is exclusively pumping with excess lipase possible? Do I have to scald all of my milk?

If you are exclusive pumping with excess lipase, feeding freshly pumped milk whenever possible is your best bet, because you won’t need to scald the milk.

In addition to the extra work, there’s a decent amount of cleanup involved as well as the considerations about nutrition noted above.

To feed fresh milk while exclusively pumping, you can pump right after (or while) your baby eats, and then feed that milk at his next feeding a few hours later. Then you’d pump again, and keep repeating the cycle.

Obviously, you’ll want to make sure that the length of time your milk will be out (the time between pumping and feeding) is less than how long it takes it to turn, but for most women a few hours will be okay.

I have a freezer stash and just discovered I have a lipase issue. What can I do?

There are a few things that you can try that might convince your baby to take the milk.

Your best bet is to try mixing the “lipase milk” with fresh milk to see if your baby will take it. You can try any variation – fresh milk with just a splash of lipase milk to half and half, etc. This is a risk, though, as you might have to throw out the fresh milk that you use to experiment with this if your baby won’t take the mixture either.

(If this doesn’t work or you want to check out other options, you can find more ideas here.)

Even if your baby refuses to take it, your lipase milk does not have to go to waste. In most cases, you can probably donate it to a milk bank. Donor milk is often fed through a tube, so in those situations, the babies that use the milk aren’t tasting it anyway.

What is the best way for me to scald breast milk?

You can save newly pumped breast milk by scalding breast milk after refrigeration (if your milk doesn’t turn quickly) or when it’s freshly pumped. Below is a photo tutorial on how to scald milk on the stovetop or using a bottle warmer without auto shut off.

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As noted above, there are two ways to do this, on the stovetop or in a bottle warmer.

On the Stovetop

To scald breastmilk on the stovetop, you will need:

  • A bowl or other container large enough to fit some ice and a bottle (for an ice bath)
  • Ice
  • A stainless steel bottle
  • An instant read thermometer
  • A clean saucepan
  • A container (bottle or bag) to store your breast milk when you’re finished scalding it

Once you have all of that, follow the below steps to scald your milk.

1. Prepare an ice bath (just put a bunch of ice and a little water in a small bowl).

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2. Pour your freshly pumped breast milk into a clean saucepan on the stove.

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3. Heat the milk to 180 degrees Fahrenheit. (An instant-read thermometer helps here – it’s not a bad idea to get one just for scalding breast milk. However, if you do use it for other things, it’s very important that you sterilize it before use.) There should be bubbles around the edges, but not a rolling boil.

Note: When I did this, the milk went from 180 degrees to 200 really fast, so keep an eye on it.

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4. When the milk reaches 180 degrees, remove it from the heat and pour it into a stainless steel bottle in the ice bath. Use one of your flanges as a funnel to avoid spills.

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5. After it’s cooled, put the milk into a storage container (bottle or breast milk freezer bag) and immediately store it in the refrigerator or freezer.

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Here is a short infographic on scalding breast milk that might help you:

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In a Bottle Warmer

To scald breastmilk in a bottle warmer, you will need:

Once you have all of that, follow the below steps to scald your milk.

1. Prepare an ice bath (same as above).

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2. Put your milk in a stainless steel bottle in the bottle warmer. Use one of your flanges as a funnel to avoid spilling, and start the bottle warmer.

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3. Stir the milk using your (sterilized!) instant read thermometer until the temperature reaches 180 degrees.

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4. When the temperature reaches 180 degrees, remove the bottle from the bottle warmer and put it in the ice bath. (If you have to go back to work, you can cover the bottle and put the whole ice bath in your work fridge.)

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5. After it’s cooled, put the milk into a storage container (bottle or breast milk freezer bag) and immediately store it in the refrigerator or freezer.

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Why use a stainless steel bottle instead of a regular one? I don’t like the idea of heating breast milk to that high of a temperature in plastic, even if it’s BPA-free, and stainless steel holds up better than glass to transferring between very hot liquid and an ice bath.

I found the stovetop method much faster and easier than the bottle warmer, but a bottle warmer would probably be more workable at the office.

Note: Finding out you have excess lipase can be super stressful. Rebekah Hoffer has written a fantastic, affordable e-book about her personal experience with it, including how she managed scalding milk on a day-to-day basis, what she did with her “lipase milk,” and all the emotions she went through. It also has some printable sheets you can use to test your lipase milk to see how long it takes to go off. I think it’s a great investment if you have just discovered you have excess lipase as you figure out your system going forward. You can check it out here.

Have any tips? Leave them in the comments!

References

  1. Williams, Christina. “Battling and Resolving Excess Lipase in Breastmilk.” https://www.sdbfc.com/blog/2012/9/4/battling-and-resolving-excess-lipase-in-breastmilk
  2. Bonyata, Kelly, IBCLC. “My expressed breastmilk doesn’t smell fresh. What can I do?” https://kellymom.com/bf/pumpingmoms/milkstorage/lipase-expressedmilk/
Pumping with Excess Lipase (Photo Tutorial on Scalding Breast Milk) (2024)

FAQs

How do you scald breast milk with high lipase? ›

Per Lawrence & Lawrence, bile salt-stimulated lipase can also be destroyed by heating the milk at 144.5 F (62.5 C) for one minute (p. 205), or at 163 F (72 C) for up to 15 seconds (p. 771).

How do I scald my breast milk? ›

There are two popular ways to scald – in a pan on the stovetop and using a bottle warmer. Both methods require that the milk reach a specific temperature and then cooled. Some methods suggest heating to 180° and cooling immediately.

How do I know if I have too much lipase in breastmilk? ›

If you do have excess lipase activity in your breast milk, you might notice a difference in its smell and taste about 12 to 14 hours after pumping and storing, although others might not notice changes until days later. Some possible changes include: Milk that has a soapy smell or taste.

Can you scald high lipase milk after freezing? ›

Can you scald previously frozen breast milk? Unfortunately, no. Scalding only works for fresh milk (and the fresher the milk, the better your results will be). Therefore, you may have to get creative to get your baby to drink breast milk that doesn't taste good due to high lipase.

When should I scald high lipase milk? ›

However, if you're one of the few who find that your milk begins to smell or taste soapy, fishy, or metallic after a period of time (which can range from a few hours to 24 hours or even longer periods), then you will need to follow the instructions for scalding your milk to de-activate the lipase and prevent future ...

How do you scald 1 cup of milk? ›

In a small saucepan over medium heat, add milk and heat until a skin forms on top of the milk, about 170 degrees. Watch carefully to make sure the milk doesn't boil. Remove immediately from heat and cool to 110 degrees before proceeding with your recipe.

How long do you scald milk for? ›

Using a thermometer, test the temperature in the middle of the milk (make sure it is not touching the bottom of the pan). The milk is ready when it reaches 180 degrees F / 82 degrees C. Remove from heat and allow the scalded milk to cool to the temperature you need and use. Scalding should take about 4-5 minutes.

What is a dangerously high lipase? ›

Typical ranges can vary between lab facilities. In some facilities, the reference lipase range for adults under age 60 is 10–140 U/L. For adults over 60, the normal range is 24–151 U/L. If a person's lipase levels are very high, often 3–10 times the reference value, this can indicate acute pancreatitis.

How do you fix elevated lipase? ›

Avoiding alcohol, and taking all the prescribed medications are the primary treatments for high blood lipase levels, if you are being followed in the outpatient department, and you have not been diagnosed with any kind of pancreatitis.

Can fresh breastmilk have high lipase? ›

The longer milk is kept at room temperature or even in the refrigerator before being frozen, the more lipase activity it will have. Milk that has a high level of lipase can develop a soapy smell and taste, but is not harmful to the baby.

Will milk banks take high lipase milk? ›

We will happily accept your high lipase milk, as will our recipient babies. Lipase is destroyed during our pasteurization process. Just make sure not to heat your milk before donating it.

At what temperature is milk considered scalded? ›

Scalded milk is milk that is heated to a temperature of 180 degrees F and then cooled down to about 110 degrees F. Milk boils at 212 degrees F, so scalded milk does not reach boiling point.

Can high lipase make baby sick? ›

IS IT DANGEROUS FOR MY BABY TO DRINK HIGH LIPASE MILK? NO! The milk is still perfectly fine for them to drink! Many babies, however, will not drink the milk because of the smell and taste.

What happens if you over scald milk? ›

Allow your scalded milk to cool to below 138°F before adding to your recipe. If it is too hot, it can kill the yeast or bring all of the ingredients, especially butter, to an undesired temperature, impacting the finished the product.

Does scalding milk change the flavor? ›

Milk is an excellent carrier of flavors, and in many recipes, the real purpose of the milk-scalding step is to infuse it with flavor – and therefore bring the flavor into the final dish.

Is scalding milk necessary? ›

Older recipes said to scald milk to kill bacteria and an enzyme that prevented thickening in recipes. Today, most milk is pasteurized, so the bacteria and enzyme are already gone. Also, scalding milk raises the temperature, which helps dissolve yeast and melt butter when added to bread recipes.

What are the 5 steps to avoid scalding milk? ›

Steps
  1. Heat slow. Exercise patience. ...
  2. Test the temperature. Make sure it's warm, but not so hot it will burn your mouth. ...
  3. To heat milk for infant consumption, put the milk in a sterile bottle. Heat the bottle in a pot of water, the microwave (if the bottle is microwave safe), or in a bottle warmer.

What is the scalding point method? ›

To scald or scalding in cooking means to heat a liquid until just below the boiling point, 82°C (180°F) by gently bringing the temperature up and stopping before it actually starts to boil.

What is the process of scalding? ›

Scalding is done to loosen the feathers prior to plucking, and this process is performed by immersing the birds in warm water or through the use of a newly developed process that involves exposure to steam. In a small plant, manual scalding is done by placing the carcasses in a hot water tank.

Do you remove film from scalded milk? ›

A thin film or "skin" may form on the surface of the milk. Not only is this completely normal, but it is another way you can tell that you have achieved the correct temperature. The skin does not need to be removed and can be stirred back into the scalded milk.

How do you know when milk is scalded without a thermometer? ›

If you don't have a thermometer, you'll know you've reached the right temperature when there is the barest film of foamy cream on the surface of the milk, tiny bubbles have formed around the sides of the pan and wisps of steam are coming off the surface. Remove from heat, and you're done.

How do I know if I scorched my milk? ›

Come back when the smell becomes unpleasant and throw the milk and the pan away. Seriously, to scorch milk is to burn it. The proteins stick resolutely to the bottom of the pan. The sugar also burns onto the pan and imparts an unpleasant flavor and color to the milk.

What temperature is scalding? ›

Most adults will suffer third-degree burns if exposed to 150 degree water for two seconds. Burns will also occur with a six-second exposure to 140 degree water or with a thirty second exposure to 130 degree water.

Does scalding milk make it easier to digest? ›

Because of the changes in protein and lactose that occur when you boil milk, people who have milk protein allergies or lactose intolerance might find it easier to digest.

When scalding milk is it necessary to bring the milk to a full rolling boil? ›

When scalding milk, it is necessary to bring the milk to a full rolling boil. When milk curdles, the protein settles out in the form of white clumps. In baked custard, the egg acts as the thickening agent. Milk and milk products should be cooked on a medium-high temperature to prevent curdling.

What is the difference between scalding and boiling? ›

"To scald" or "scalding" in the culinary sense means to heat a liquid until just below the boiling point, 180 degrees, or to blanch fruits and vegetables like tomatoes, for instance, to facilitate the removal of the skin.

Can you scald milk that's been refrigerated? ›

You can save newly pumped breast milk by scalding breast milk after refrigeration (if your milk doesn't turn quickly) or when it's freshly pumped. Below is a photo tutorial on how to scald milk on the stovetop or using a bottle warmer without auto shut off.

Can you refrigerate scalded milk? ›

And you should never use a microwave. After scalding, immediately place the milk in an ice bath. And then store it in the freezer or refrigerator once cooled.

What causes extremely high lipase? ›

A very high level of lipase is usually a sign of acute pancreatitis. Higher than normal levels of lipase may be caused by: Diseases of the pancreas, including a blocked duct (tube), or pancreatic cancer. Chronic kidney disease.

Is 200 high for lipase? ›

A lipase level higher than 200 U/L is seen in pancreatitis. However, lipase levels as high as 1000 U/L may indicate severe pancreatitis. What is the normal level of lipase? The normal lipase level typically ranges between 0-160 units per litre of blood.

How quickly can lipase levels drop? ›

Lipase levels decline more slowly over 7 to 14 days, whereas amylase levels usually decline over 48 to 72 hours. Although amylase levels are elevated in pancreatitis, they may also be elevated in other conditions and therefore must be considered with other diagnostic criteria.

How long do lipase levels stay elevated? ›

Serum lipase typically increases 3–6 hours after the onset of acute pancreatitis and usually peaks at 24 hours. Unlike amylase, there is significant reabsorption of lipase in the renal tubules so the serum concentrations remain elevated for 8–14 days.

Does freezing milk right away help with high lipase? ›

What I discovered — and what you should try to do if you also suffer from overactive lipase — is to freeze your milk AS SOON AS POSSIBLE after you've pumped it. This slows down, and possibly stops, the lipase reaction, keeping your milk fresh.

What temperature kills good bacteria in milk? ›

High-Temperature, Short-Time (HSTS) pasteurization: requires that the milk be held at a minimum of 161°F for 15 seconds.

What temp kills good bacteria in raw milk? ›

The controversy arises from the fact that the naturally occurring enzymes and bacteria in raw milk are destroyed by too much heat. Destruction of enzymes begins at 118°F and is complete at 180°F.

Can babies drink milk with high lipase? ›

IS IT DANGEROUS FOR MY BABY TO DRINK HIGH LIPASE MILK? NO! The milk is still perfectly fine for them to drink! Many babies, however, will not drink the milk because of the smell and taste.

How do you lower lipase levels? ›

High levels may indicate a problem with the pancreas or another condition. The doctor may also check levels of another enzyme called amylase at the same time as the lipase test.
...
How to lower lipase levels
  1. intravenous fluids.
  2. medications to control the pain.
  3. not eating for a recommended period, then starting a bland diet.

How quickly does lipase normalize? ›

Levels of lipase usually return to normal within 14 days.

What does high lipase smell like? ›

High lipase levels in breast milk can make it smell and taste off and soapy. These changes may be why some babies refuse to breastfeed or bottle-feed expressed breast milk.

What is a dangerously high lipase level? ›

A fatal outcome may be predicted by simple laboratory parameters such as a high serum creatinine and blood glucose. An APACHE II score > or = 6 and a lipase level on admission > or = 1,000 U/l indicate severe pancreatitis.

What happens if you have too much lipase? ›

It's normal to have a small amount of lipase in your blood. But if the cells of your pancreas are damaged, they will release larger amounts of lipase. So high levels of lipase in your blood may mean you have pancreatitis, (an inflamed, swollen pancreas) or another type of pancreatic disease.

How much lipase is too much? ›

The normal range for adults younger than 60 is 10 to 140 U/L. Normal results for adults ages 60 and older is 24 to 151 U/L. Higher than normal levels of lipase mean that you have a problem with your pancreas. If your blood has 3 to 10 times the normal level of lipase, then it's likely that you have acute pancreatitis.

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