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40°C or 70°C? The water temperature of the brewed milk powder is different for different children

author:Pediatrician Xiaoguo

Ms. Zhang has insomnia, because the baby has been using 40 ° C water temperature to brew milk powder, and the authority recommends using 70 ° C, she wants to change it, but grandma does not think so, and her husband scoffs!

Because of physical reasons, Ms. Zhang's baby has been fed milk powder since birth, and the whole family has been brewing milk powder in strict accordance with the requirements on the milk powder can.

Inadvertently, when Ms. Zhang browsed the web, she found a news that shocked her very much:

In 2007, the Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO) co-authored the Guiding Principles for the Safe Preparation, Storage and Handling of Infant Formula, which mentions that from a safety perspective, it is recommended to brew milk powder with water above 70°C.

Ms. Zhang is not calm in an instant, the baby is about to be full moon, has been using 40 ° C water temperature to brew milk powder, has been wrong, the baby's body will not have been hurt?

Ms. Zhang, who was originally ashamed of her child because she could not breastfeed, was even more guilty and guilty at this time, blaming herself for not doing enough homework, because her negligence could lead to very serious consequences.

Perhaps because of the change in hormone levels after childbirth, Ms. Zhang plunged into negative emotions and could not come out for a long time.

She told her mother-in-law not to use 40 ° C water to brew milk powder instead, but to use 70 ° C water.

The mother-in-law did not think so, the milk powder can was written very clearly, and whose milk powder was used of course listened to whose milk powder.

She called her husband again to tell him to correct her mother-in-law, but his husband also blamed her for doing too much, and the water temperature of other people's children's milk powder was estimated by hand hair, even like their home is measured by temperature, it is already careful enough.

Ms. Zhao, who had no one to take care of, could only insist on herself and not let anyone take over the work of brewing milk powder for her children.

So, here's the problem, when you're making formula for your baby:

  • What kind of water temperature is the most suitable?
  • Is it casual to feel that it is not hot to the mouth?
  • Or strictly follow the water temperature requirements on the milk powder can?
  • Are there any other official recommendations?
  • What is the principle of water temperature recommendation for brewing milk powder?
40°C or 70°C? The water temperature of the brewed milk powder is different for different children

If you're wondering, keep going:

Advice on water temperature selection

At present, there are two main suggestions for the choice of water temperature for brewing milk powder:

One is the advice on the milk powder can, different milk powder cans have different requirements, the most common is 40 ° C, or 37 ° C, or 50 ° C.

Second, in 2007, the Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO) jointly compiled the Guiding Principles for the Safe Preparation, Storage and Handling of Infant Formula, which mentioned that from a safety perspective, it is recommended to brew milk powder with water above 70°C.

Why 70 °C is recommended

Why does the World Health Organization recommend brewing milk powder at a water temperature of 70°C?

That's to kill a bacterium called Enterobacter sakazaki.

Enterobacter sakazaki can cause severe neonatal meningitis, enterocolitis, and bacteremia, and the mortality rate can be as high as 40% to 80%.

Newborns (28 days or less of age) and infants less than 2 months of age, particularly those born prematurely, weighing less than 2.5 kg and having weak immune systems, are at the highest risk of infection.

Because the suitable growth temperature of Enterobacter sakazaki is between 37°C and 43°C, mixing milk powder with 70°C water can kill any Sakazaki Enterobacter in the milk powder.

Therefore, for safety reasons, the World Health Organization and the United Nations Food and Agriculture Organization proposed to use boiling water at 70 ° C to brew milk powder.

40°C or 70°C? The water temperature of the brewed milk powder is different for different children

Why 40 °C is recommended

Since Enterobacter sakazaki is so powerful, why do milk powder manufacturers dare to openly recommend using room temperature water to brew milk powder on the milk powder can?

First, because the control of pathogenic bacteria in milk powder is very strict in various countries, especially for Enterobacter sakazaki, such as:

  • The European Commission (EC) stipulates that when sampling infant milk powder under 6 months of age, a total of 30 samples are sampled per batch of milk powder, each sample does not exceed 10 grams, of which the detection amount of Enterobacter sakazaki should be 0.
  • The U.S. Food and Drug Administration (FDA) requires that when sampling infant milk powder under 6 months of age, each batch of milk powder is sampled with a total of 30 samples, each sample does not exceed 10 grams, of which Enterobacter spp. (including Enterobacter sakazaki) should be "undetected".
  • According to the requirements of the mainland's "GB 10765~2010 National Standard for Food Safety Infant Formula", when sampling infant formula for infant formula under 6 months of age, each batch of milk powder is sampled with a total of 3 samples, each sample is 100 grams, and Enterobacter sakazaki shall not be detected.

Such a detection rate, for the majority of healthy term children, the incidence of Enterobacter sakazaki infection is really very, very low.

In addition, brewing milk powder with room temperature water can maximize the protection of heat-intolerant nutrients in milk powder, such as probiotics, vitamin C and so on.

Moreover, brewing milk powder at room temperature, that is, soaking and drinking, without the step of cooling, for those babies who are anxious and cry to drink milk, they can be soothed in time.

40°C or 70°C? The water temperature of the brewed milk powder is different for different children

How to choose

Are moms starting to struggle:

  • With 70 ° C, afraid of destroying the nutrition of milk powder, the baby can not wait to drink
  • Use 40 ° C, afraid in case there are bacteria in the milk powder, not killed, so that the baby gets sick

Because the main infection object of Enterobacter sakazaki is babies within 2 months, premature babies, and babies with very weak resistance, for these babies, safety is the most important, it is best to choose 70 ° C water temperature brewed milk powder.

Although high temperature will make some nutrition have a certain loss, but overall, the proportion is relatively small, the main nutrition of milk powder will not be greatly affected, those destroyed probiotics, vitamin C, relative to safety, is negligible.

If you brew milk powder at 70 ° C water temperature, afraid of being too hot, the baby will cry fiercely if you can't wait, we can do this:

For example, we need 120ml of water to brew milk powder.

We can prepare 2 bottles and divide this 120ml of water into 2 parts, such as one part is 90ml of boiling water at 70 ° C, and the other part is 30ml of room temperature water.

First brew the milk powder with 90 ml of water at 70 °C to kill the bacteria that may be in the milk powder, and then use the remaining 30 ml of room temperature water to cool it.

40°C or 70°C? The water temperature of the brewed milk powder is different for different children

In addition to the water temperature, this is the most important

Babies are more likely to get Enterobacter sakazaki from their environment and utensils than water temperature.

Parents should pay more attention to the cleaning and disinfection of daily contact utensils such as pacifiers, pacifiers, and bottles, and wash their hands with soap and water before brewing milk powder.

Okay, friends, have you learned?

I am Xiaoguo, a second-treasure mother with 10 years of experience in pediatrics in a tertiary hospital, who likes to share evidence-based medical dry goods, pay attention to me, and let you not worry about parenting. #健康真知计划 #