Related Experiment Video
Updated: Apr 19, 2026

Enhancement of the Initial Growth Rate of Agricultural Plants by Using Static Magnetic Fields
Published on: July 8, 2016
Coupling electrostatic and static magnetic fields during drying: A strategy to enhance drying characteristic,
Hui Yang1, Dahui Liu2, Yu Qiao3
1School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China.
None:
This study investigated the effects of electric (EF), static magnetic fields (MF), and coupled electromagnetic (EMF) fields applied during the drying process on the quality attributes of yam slices. EF and MF treatments reduced drying time by 44.44% and 33.32%, respectively, compared to the control, and lowered relative crystallinity to 41.0% and 41.8%. EMF-assisted drying was most effective with 120 min drying time, significantly enhancing drying kinetics and water mobility, improving rehydration capacity, and resulting in the highest levels of color retention and bioactive compounds among all drying methods. FTIR spectroscopy and XRD analysis confirmed that all treatments maintained the A-type crystalline pattern while reducing crystallinity and short-range molecular order. EMF assisted drying also substantially reduced the gelatinization enthalpy and temperatures of yam starch. These improvements are attributed to field-induced microstructural modifications, including increased porosity and disruption of starch crystallinity. The findings confirm that in-process EMF assistance is a promising technology for producing high-quality dried yam products with enhanced efficiency and functionality.
Related Concept Videos
Drying Shrinkage
A portion of this drying shrinkage can be reversed; if the concrete is...
Electrostatic Boundary Conditions in Dielectrics
Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's permittivity....
Magnetic Damping
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
Dielectric Polarization in a Capacitor
Electrostatic Boundary Conditions
The surface integral of an electric field is given by Gauss's law in integral form and is related to...
Moisture Content and Bulking of Aggregate
When aggregates are exposed to rain or sit in stockpiles, they absorb moisture, which must be...

