Abstract
The effects of physical characteristice and cell wall enzymatic activites of several strawberry cultivars were investigated for possible industrial use. The enzymes study showed that the softed varieties had the highest pectin methylesterase (PME) and polygalacturonase (PC) activities. Differences in alcohal-insoluble pectin, water-soluble pectin, and parietal residue compositions were observed between Darsanga (firm fruit) and Senga sengana (soft fruit). Finally, the study of pectin composition of Darsanga and Senga sengana Indicated that the softest fruit had the highest water-soluble pectin content. The measurement of fruit PME activity permitted a preliminary screcning of frult maturity characteristics. strawberry, Fragaria x ananassa Duch, firmness, drip loss, jam cookingm, pectin methylesterase, polygalacturonase, β-galactosidase, pectin composition.
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