CAIE IGCSE Biology 21.2.3 Pectinase in Fruit Juice Production
Practise explaining how pectinase treatment of crushed fruit increases juice yield and helps produce clearer juice.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- identify pectinase as the enzyme used during apple or pear juice production
- compare pectinase-treated fruit with a water control using filtrate volume as the outcome
- link breakdown of pectin in fruit tissue to increased juice yield and clearer juice
21.2.3—Use of pectinase in fruit juice question 1
[Maximum number: 1]
Apples are used to make apple juice.
State one enzyme used in fruit juice production.
pectinase
Accept: amylase or cellulase.
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