Pectin - Structural properties and variation

3 important questions on Pectin - Structural properties and variation

Pectin can have a substitution, of which molecule?

Methylesters.
Low methyl esterification (LM) < 50%
High methyl esterification (HM) > 50%

Pectin consists of 3 regions, which?

Rhamnogalaturonan region I, homo(poly)galacturonan region, rhamnogalacturonan region II

What are the monosaccharides in pectin?

Galacturonic acid, rhamnose and arabinose

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