Evaluation of parameters affecting the process of extraction pectin from red flesh dragon fruit peel

Synergistic Effect of Leaf-Pectin from Anisochilus carnosus (L.f.) Wall, Citric Acid, and Lysine Monohydrochloride as a Modulator on Apparent Viscosity of Sucrose-Based Multicomponent Gels

“…The yield was the least for microwave extraction under the given conditions. Some other authors have reported longer time and lower microwave power as suitable conditions for optimum yield from different raw materials …”

“…Some other authors have reported longer time and lower microwave power as suitable conditions for optimum yield from different raw materials. 38 3.3. Estimation of Galacturonic Acid.…”

Comparative Analysis of Physicochemical and Functional Properties of Pectin from Extracted Dragon Fruit Waste by Different Techniques

“…The pectin extraction was prepared by mixing 10 g ( w / v ) of dried dragon fruit peel powder with 300 mL of distilled water and subjecting it to a temperature of 5 °C for 48 h [ 31 ].…”

Structural, physicochemical, and emulsifying properties of pectin obtained by aqueous extraction from red pitaya (Hylocereus polyrhizus) peel

“…In this way, pectin has been extracted from banana unripe peels and mango fruit peels (Lai et al, 2022), wampee (Clausena lansium (Lour.) Skeels) fruit peel (Peng et al, 2022), purple passion fruit (Passiflora edulia Sims) peel (Teng et al, 2022), passion fruit peel (de Oliveira et al, 2016), red flesh dragon fruit peel (Hylocereus polyrhizus) (Nguyen et al, 2022), and white-flesh dragon fruit (Hylocereus undatus) peels (Dao et al, 2021), among other botanical species.…”

“…Hu et al (2021) separated pectin from pitaya peel (Hylocereus polyrhizus) using an aqueous two-phase system (PEG/(NH 4 ) 2 SO 4 ATPS) finding that pectin yield increased with an increasing weight fraction of PEG and when the ammonia phase ratio was close to 0.5. Nguyen et al (2022) extracted pectin Hylocereus polyrhizus peels using as solvent hydrochloric acid assisted by microwave extraction finding that maximum pectin yield of 17.61% and degree of esterification index of 51.41% was achieved under the following conditions: HCl acid concentration 0.032 M, material size D ≤ 1 mm, material/solvent ratio was 1/20 (g/mL), microwave power 100 W, and heating time is 15 min. Despite all of the above studies, there is a lack of information concerning the functional properties and physicochemical properties, and the reported yields vary wildly (7.5-42.5%) for pectin extracted from Hylocereus polyrhizus peels.…”