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enzymes 6

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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (7)

#1
Front (Question)

where do we find pectin?

Back (Answer)

in the cell wall

#2
Front (Question)

pectin consists of

Back (Answer)

• smooth regions • hairy or branched regions

#3
Front (Question)

pectin esterase

Back (Answer)

saponifies pectin with a high degree of esterification –> Methanol and pectin with lower degree of esterification are formed

#4
Front (Question)

Polygalacturonase (PG)

Back (Answer)

glycoside hydrolase active on pectic acid and pectin with low degree of esterification –> Endo- and exopolygalacturonase

#5
Front (Question)

pectate lyase (PAL)

Back (Answer)

cleaves glycosidic linkage of pectin with a low degree of esterification or pectic acid –> β-elimination, double bond is introduced

#6
Front (Question)

pectin lyase (PL)

Back (Answer)

cleaves glycosidic linkage of pectin with high degree of esterification

#7
Front (Question)

application of pectinases

Back (Answer)

• juice production • ripening veggies and fruit • upgrading agricultural residues