Journal of Food Quality / 2018 / Article / Tab 1

Research Article

Saponin Bitterness Reduction of Carica papaya Leaf Extracts through Adsorption of Weakly Basic Ion Exchange Resins

Table 1

Specification of each ion weakly basic anion exchange resin chosen for the adsorption of saponin from C. papaya leaves.

Product specificationsIon exchange resins
Amberlite IRA-67Diaion WA21JDiaion WA30

Resin typeWeakly basic anionWeakly basic anionWeakly basic anion
MatrixAcrylic gelDivinyl benzene-styreneDivinyl benzene-styrene
Functional groupPolyaminePolyamineTertiary amine
Ionic formFree baseFree baseFree base
Ion exchange capacity (meq/ml)
Moisture content (%)56–6440–5243–55
Min particle size (µm)610650680
Max operational temperature (°C)60100100
Operational pH7–90–90–9
Regeneration chemicalSodium hydroxideSodium hydroxideSodium hydroxide

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.