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lactoferrin

American  
[lak-tuh-fer-in] / ˌlæk təˈfɛr ɪn /

noun

Biochemistry.
  1. a glycoprotein present in milk, especially human milk, and supplying iron to suckling infants.


Etymology

Origin of lactoferrin

First recorded in 1970–75; lacto- + ferr(i)- + -in 2


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

That suggests the trait appeared sometime after lactoferrin emerged during mammalian evolution.

From Science Daily ● Sep. 28, 2026

Bacteria inside the body depend on iron, but lactoferrin binds tightly to the element, making it much harder for microbes to access.

From Science Daily ● Sep. 28, 2026

We know that human milk contains many components which can be effective as antimicrobials – lactoferrin and antimicrobial peptides, for example.

From Salon ● Apr. 24, 2024

Combining probiotics with molecules such as human-milk oligosaccharides or lactoferrin might help to improve the picture, Barrington says.

From Nature ● Mar. 6, 2018

Two years later, Smarr’s lactoferrin had climbed to a hundred and twenty-five times the advisable level.

From The New Yorker ● Nov. 24, 2014

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