Immobilisation of β-cyclodextrin on glass: Characterisation and application for cholesterol reduction from milk

► β-CD was covalently attached on glass surface. ► Modified surface was characterised by static water contact angle and XPS. ► β-CD attached on glass was used for cholesterol reduction from milk. ► Modified surface was repeatedly used for 8 cycles. ► 68 ± 2% cholesterol from milk was reduced.