TY - JOUR
T1 - Use of freeze-drying and convection as drying methods of the xoconostle by-product and the effect on its antioxidant properties
AU - Morales-Tapia, A. A.
AU - González-Jiménez, F. E.
AU - Vivar-Vera, G.
AU - Del Ángel-Zumaya, J. A.
AU - Reyes-Reyes, M.
AU - Alamilla-Beltrán, L.
AU - Barojas-Zavaleta, E.
AU - Cooper-Bribiesca4, B. L.
AU - Jiménez-Guzmán, J.
N1 - Publisher Copyright:
© 2022, Morales-Tapia et al./ Revista Mexicana de Ingeniería Química. All rights reserved.
PY - 2022/4/14
Y1 - 2022/4/14
N2 - In this study, the influence of the drying method (lyophilization and convection) on the antioxidant properties of the by-product of xoconostle (Opuntia matudae) was evaluated. The analysis of convection drying results indicated that the drying took place during the period of decreasing speed, besides the drying speed was influenced by the rise in temperature, reaching the target moisture content (0.06 gwater /gdry sample) in shorter processing times as the temperature increased (60 °C-195 min; 70 °C-165 min; 80 °C-120 min). The effective diffusivity coeffcients (Def) ranged between 4.788 E−10-8.109 E−10 m2/s for the evaluated temperatures. Drying by lyophilization and by convection at 60 °C were ideal for the preservation of antioxidant capacity, however, considering the cost-benefit ratio, convective drying at 60 °C is more favorable for its use on the xoconostle by-products since they showed to maintain phenolic compounds (72.56 ± 0.06 mg GAE/100 g) and antioxidant capacity determined by ABTS and DPPH (7.63 ± 0.96 TEAC/gsample, 88.07 ± 0.38 % DPPH inhibition). Therefore, powdered by-products can be incorporated as functional additives.
AB - In this study, the influence of the drying method (lyophilization and convection) on the antioxidant properties of the by-product of xoconostle (Opuntia matudae) was evaluated. The analysis of convection drying results indicated that the drying took place during the period of decreasing speed, besides the drying speed was influenced by the rise in temperature, reaching the target moisture content (0.06 gwater /gdry sample) in shorter processing times as the temperature increased (60 °C-195 min; 70 °C-165 min; 80 °C-120 min). The effective diffusivity coeffcients (Def) ranged between 4.788 E−10-8.109 E−10 m2/s for the evaluated temperatures. Drying by lyophilization and by convection at 60 °C were ideal for the preservation of antioxidant capacity, however, considering the cost-benefit ratio, convective drying at 60 °C is more favorable for its use on the xoconostle by-products since they showed to maintain phenolic compounds (72.56 ± 0.06 mg GAE/100 g) and antioxidant capacity determined by ABTS and DPPH (7.63 ± 0.96 TEAC/gsample, 88.07 ± 0.38 % DPPH inhibition). Therefore, powdered by-products can be incorporated as functional additives.
KW - antioxidant capacity
KW - betalain
KW - drying kinetics
KW - flow properties
KW - total phenols
UR - http://www.scopus.com/inward/record.url?scp=85136582323&partnerID=8YFLogxK
U2 - 10.24275/rmiq/Alim2692
DO - 10.24275/rmiq/Alim2692
M3 - Artículo
AN - SCOPUS:85136582323
SN - 1665-2738
VL - 21
JO - Revista Mexicana de Ingeniera Quimica
JF - Revista Mexicana de Ingeniera Quimica
IS - 2
M1 - Alim2692
ER -