Pulsed electric field enhanced freeze-drying of apple tissue

https://doi.org/10.17221/230/2018-CJFSCitation:Wu Y., Zhang D. (2019): Pulsed electric field enhanced freeze-drying of apple tissue. Czech J. Food Sci., 37: 432-438.
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The influence of pulsed electric field (PEF) on freeze-drying of apple tissue was investigated. The freeze-drying was performed with different parameters of PEF treatment, and PEF treatment on the drying characters, microstructure, rehydration ratio, effective diffusion coefficient and hardness of apple tissue were discussed separately. The results indicated that PEF utilization as a pretreatment of apples enhances the drying process. The drying time was shortened by 17.73% at most, specific energy consumption decreased by 24.74% at most, and the rehydration ratio was improved by 65.22% at most for PEF treatment samples respectively, compared with the untreated samples. The effective diffusion coefficients varied from 2.60 × 10−8 m2/s to 4.20 × 10−8 m2/s for PEF pretreated samples, and was 2.40 × 10−8 m2/s for untreated samples drying at 75°C, the hardness of the untreated apple tissue was about 144.4 N which was decreased to 39.5–115.0 N after PEF treatment. 

References:
Ahmed I., Qazi I.M., Jamal S. (2016): Developments in osmotic dehydration technique for the preservation of fruits and vegetables. Innovative Food Science & Emerging Technologies, 34: 29–43.
 
Alam M.R., Lyng J.G., Frontuto D., Marra F., Cinquanta L. (2018): Effect of pulsed electric field pretreatment on drying kinetics, color, and texture of parsnip and carrot. Journal of Food Science, 83: 2159–2166. https://doi.org/10.1111/1750-3841.14216
 
Bai Y., Yang Y., Huang Q. (2012): Combined electrohydrodynamic (EHD) and vacuum freeze drying of sea cucumber. Drying Technology, 30: 1051–1055. https://doi.org/10.1080/07373937.2012.663435
 
Bajgai T.R., Hashinaga F. (2007): High electric field drying of japanese radish. Drying Technology, 19: 2291–2302. https://doi.org/10.1081/DRT-100107499
 
Botero-Uribe M., Fitzgerald M., Gilbert R.G., Midgley J. (2017): Effect of pulsed electrical fields on the structural properties that affect french fry texture during processing. Trends in Food Science & Technology, 67: 1–11.
 
Dalvi-Isfahan M., Hamdami N., Le-Bail A., Xanthakis E. (2016): The principles of high voltage electric field and its application in food processing: A review. Food Research International, 89: 48–62. https://doi.org/10.1016/j.foodres.2016.09.002
 
Ding C., Lu J., Song Z. (2015): Electrohydrodynamic drying of carrot slices. PloS One, 10: e0124077. https://doi.org/10.1371/journal.pone.0124077
 
Karathanos V.T., Kanellopoulos N.K., Belessiotis V.G. (1996): Development of porous structure during air drying of agricultural plant products. Journal of Food Engineering, 29: 167–183. https://doi.org/10.1016/0260-8774(95)00058-5
 
Lammerskitten A., Wiktor A., Siemer C., Toepfl S., Mykhailyk V., Gondek E., Rybak K., Witrowa-Rajchert D., Parniakov O. (2019): The effects of pulsed electric fields on the quality parameters of freeze-dried apples. Journal of Food Engineering, 252: 36–43. https://doi.org/10.1016/j.jfoodeng.2019.02.006
 
Liu T., Dodds E., Leong S.Y., Eyres G.T., Burritt D.J., Oey I. (2017): Effect of pulsed electric fields on the structure and frying quality of “kumara” sweet potato tubers. Innovative Food Science & Emerging Technologies, 39: 197–208.
 
Moreno J., Zúñiga P., Dorvil F., Petzold G., Mella K., Bugueño G. (2017): Osmodehydration assisted by ohmic heating/pulse vacuum in apples (cv. Fuji): retention of polyphenols during refrigerated storage. International Journal of Food Science & Technology, 52: 1203–1210.
 
Mouazen A.M., Nemenyi M. (1999): Finite element analysis of subsoiler cutting in non-homogeneous sandy loam soil. Soil & Tillage Research, 51: 1–15.
 
Parniakov O., Bals O., Lebovka N., Vorobiev E. (2016): Pulsed electric field assisted vacuum freeze-drying of apple tissue. Innovative Food Science & Emerging Technologies, 35: 52–57.
 
Singh A., Nair G.R., Rahimi J., Gariepy Y., Raghavan V. (2013): Effect of static high electric field pre-treatment on microwave-assisted drying of potato slices. Drying Technology, 31: 1960–1968. https://doi.org/10.1080/07373937.2013.805142
 
Taiwo K.A., Eshtiaghi M.N., Ade-Omowaye B.I.O., Knorr D. (2003): Osmotic dehydration of strawberry halves: influence of osmotic agents and pretreatment methods on mass transfer and product characteristics. International Journal of Food Science and Technology, 38: 693–707. https://doi.org/10.1046/j.1365-2621.2003.00720.x
 
Therdthai N., Northongkom H. (2011): Characterization of hot air drying and microwave vacuum drying of fingerroot (Boesenbergia pandurata). International Journal of Food Science & Technology, 46: 601–607.
 
Traffano-Schiffo M.V., Tylewicz U., Castro-Giraldez M., Fito P.J., Ragni L., Dalla Rosa M. (2016): Effect of pulsed electric fields pre-treatment on mass transport during the osmotic dehydration of organic kiwifruit. Innovative Food Science & Emerging Technologies, 38: 243–251.
 
Wu Y., Guo Y., Zhang D. (2011): Study of the effect of high-pulsed electric field treatment on vacuum freeze-drying of apples. Drying Technology, 29: 1714–1720. https://doi.org/10.1080/07373937.2011.601825
 
Wu Y., Zhang D. (2014): Effect of pulsed electric field on freeze-drying of potato tissue. International Journal of Food Engineering, 10: 857–862. https://doi.org/10.1515/ijfe-2014-0149
 
Yildiz H., Icier F., Eroglu S., Dagci G. (2016): Effects of electrical pretreatment conditions on osmotic dehydration of apple slices: Experimental investigation and simulation. Innovative Food Science & Emerging Technologies, 35: 149–159.
 
Yu Y., Jin T.Z., Xiao G. (2017): Effects of pulsed electric fields pretreatment and drying method on drying characteristics and nutritive quality of blueberries. Journal of Food Processing and Preservation, 41: e13303.
 
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