M. Zhang et al., PIGMENTAL IMPROVEMENT OF GREEN VEGETABLES BY CONTROLLING FREE-RADICALS DURING HEAT DEHYDRATION, Drying technology, 16(1-2), 1998, pp. 333-339
The electronic spin resonance (ESR) and chemiluminescent method(CLM) w
ere used for establishing the relationship between the increase of the
free radical concentration produced by heat dehydration and respectiv
e changes of chlorophyl preservation ratio (K-b) during heat dehydrati
on. The results show the free radicals are main reason of the K-b degr
adation. Kidney beans enriched with different selenium concentrations
were chosen in the tests for controlling the free radical. The siutabl
e selenium concentration of 0.45 similar to 1.30 mu gSe/g for kidney b
ean was obtained.