: any of a group of water-insoluble pectic substances occurring in plants and yielding pectin or pectinic acids on hydrolysis
called also pectose
Cite this Entry
“Protopectin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/protopectin. Accessed 1 Dec. 2025.
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