Why does my breast milk smell chemically?

Understanding the Chemical Smell of Breast Milk
Experiencing a chemical smell in breast milk can be concerning for nursing mothers. This phenomenon is often attributed to a few key factors, primarily involving the natural composition of breast milk and how it is stored.
The Role of Lipase
One of the most common reasons for a chemical or soapy odor in breast milk is the activity of lipase, an enzyme that naturally occurs in human milk. Lipase is responsible for breaking down fats into fatty acids. When breast milk is expressed and stored, especially if it is frozen, lipase can continue to act on the milk, even at low temperatures. This enzymatic activity can lead to the release of fatty acids that may produce a smell reminiscent of soap or metal.
While this might sound alarming, it’s important to note that the presence of lipase does not indicate that the milk is spoiled or unsafe for your baby. In fact, many babies can tolerate this change in smell without any issues. However, some infants may be sensitive to the altered taste and smell, which can lead to them rejecting the milk.
Chemical Oxidation
Another factor that can contribute to a chemical smell is oxidation, which occurs when breast milk is exposed to air. This process can lead to the breakdown of fats and proteins, resulting in a rancid or sour odor. Oxidation is more likely to happen if the milk is stored improperly or for extended periods.
To mitigate this, it’s advisable to store breast milk in airtight containers and to use it within recommended time frames. For instance, freshly expressed milk can be stored in the refrigerator for up to four days, while frozen milk is best used within six months for optimal quality.
Dietary Influences
Interestingly, what a mother eats can also affect the smell of her breast milk. Foods with strong odors, such as garlic, onions, or spices, can impart their scents to the milk, leading to noticeable changes in aroma. This is a normal occurrence and varies from one individual to another based on dietary habits.
Conclusion
In summary, a chemical smell in breast milk is typically linked to the activity of lipase and the effects of chemical oxidation, both of which are natural processes. While these changes can be concerning, they do not compromise the nutritional quality of the milk. If the smell is particularly bothersome or if your baby refuses to drink the milk, consider consulting with a lactation expert for personalized advice and strategies to manage these changes.

Can my baby drink high lipase milk?

WHAT CAN I do about it? First thing’s first, having high lipase milk does not mean your milk is “bad”! Some babies take high lipase milk without thought. Yes, it is perfectly safe for babies to drink high lipase milk.

Why does my breastmilk smell like chemicals?

As the breastmilk sits in cool temperatures (fridge or freezer), the lipase starts to break down the fat in the milk. The longer it sits, the more you may start to notice the soapy or metallic smell/taste.

How to get rid of chemical oxidation in breast milk?

The change can’t be fixed once it has happened but you can scald your milk as soon as you express it to stop it happening. To scald your breastmilk, heat until close to boiling (not in the microwave) then cool it quickly by placing the container into a bowl or sink of ice and water. Then store your milk as usual.

What is the bad smell in breast milk?

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.

How to tell if milk is high in lipase?

If your milk smells a little soapy, the cause is often milk that is high in lipase activity.

What happens if a baby drinks bad breast milk?

Can babies get sick from old breast milk? If your baby has had spoiled breast milk, they’ll likely let you know. They may throw up, or have an upset stomach, diarrhea or fever. It’s important to call your pediatrician if you think your baby may be sick from having spoiled breast milk.

How can I detox my breast milk?

How can I reduce the amount of toxins in my breastmilk?

1. Eat a healthy, balanced diet, so you’re not exposed to toxins from a single source.
2. Trim the fat from meat and poultry before cooking .
3. Eat low-fat dairy products .
4. Oily fish is good for you, and will benefit your baby, too.

How to get rid of high lipase in breastmilk?

Scalding milk is believed to slow lipase’s action in the milk. Research shows that lipase is not responsible for the changes in smell. Removing lipase removes an important enzyme that helps the baby digest fats.

How to know if breast milk is spoiled?

Human breast milk can spoil just like any other kind of milk. This leads to a sharp, sour smell and flavor. There’s no way to save spoiled milk. You should be able to tell it’s spoiled by tasting a sip of it yourself.

What is the 5 5 5 rule for breast milk?

Something I recommend to moms is the 5-5-5 rule. Try and use milk within five hours at room temperature, five days in the fridge, and by five months in the freezer.