peptonize

especially British, pep·to·nise

[pep-tuh-nahyz]

verb (used with object)

peptonized, peptonizing 

1. to subject (food) to an artificial, partial digestion by pepsin or pancreatic extract in order to aid digestion.

2. to hydrolyze or dissolve by a proteolytic enzyme, as pepsin.

peptonize

/ ˈpɛptəˌnaɪz /

verb

1. (tr) to hydrolyse (a protein) to peptones by enzymic action, esp by pepsin or pancreatic extract

Other Word Forms

• peptonization noun
• peptonizer noun

Word History and Origins

Origin of peptonize¹

First recorded in 1875–80; peptone + -ize

Example Sentences

To completely peptonize the milk, two hours are required.

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Is it better to peptonize the whole day's supply, or each bottle separately just before feeding?

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Place the bottle in a large pitcher or basin of water of about 110 degrees F., or as warm as the hand can bear comfortably, and allow it to remain for ten to twenty minutes if you wish to peptonize the milk but partially; or if you wish it completely peptonized let it remain for two hours.

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If you peptonize the whole day's supply at once raise the milk to the boiling point after it has been peptonized; if only the one feeding do not peptonize it more than ten minutes before feeding for the ferment will work while the child is feeding.

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If the former, it is better to raise the milk to boiling point after peptonizing; if the latter, it should not be peptonized more than ten minutes, for it will continue to peptonize while it is being taken by the child.

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