Characteristics of pectinesterase isolated from bramley apple waste

Abstract

Pectinesterase was isolated from Bramley apple waste (peel, cores and offcuts)

Extraction, thermal stability and kinetic behavior of pectinmethylesterase from hawthorn (Crataegus pubescens) fruit

“…The E a value obtained for C. pubescens PME was 36.27 kJ/mol. This result was in agreement with the E a values reported for tomato PME (34.32-38.10 kJ/mol) (Nakagawa et al, 1970) and PME in crude protein extracts isolated from Bramley apple waste (39.2 kJ/mol) (King, 1990(King, , 1991. However, it was higher than E a values (23-31 kJ/mol) reported for most plant PMEs (Table 2) (Lee & Wiley, 1970;Rexova´-Benkova´& Markovic, 1976;Fayyaz, Asbi, Ghazali, & Che Man, 1995;Denes et al, 2000).…”

Effect of calcium propionate on the microstructure and pectin methy‐ lesterase activity in the parenchyma of fresh‐cut Fuji apples

“…15,16 At optimal pH, maximum activity is reached with NaCl concentrations of about 0.12-0.20 mol L −1 . 17 Glenn and Poovaiah 5 and Siddiqui and Bangerth 18 determined that the degradation of the cell wall starts with the deterioration and destruction of the middle lamella.…”

Partial Purification, Characterization, and Thermal and High-Pressure Inactivation of Pectin Methylesterase from Carrots (DaucuscarrotaL.)

“…PME has been extracted and/or purified from different sources: e.g., tomatoes (23,(26)(27)(28)(29)(30)(31)(32)(33), oranges (18,21,(34)(35)(36)(37)(38)(39)(40), apples (17,24,(41)(42)(43)(44)(45)(46), grapefruits (22,47,48), and bananas (49)(50)(51). Biochemical properties, thermal stability and food applications of PME from these sources were reported in more or less details by several authors.…”