from a local market in Chuncheon, Korea. BHT, EDTA, and p-anisidine were purchased from Sigma (St., Louis, MO, USA). All other chemicals used were of analytical grade.
from a local marketin Chuncheon, Korea. BHT, EDTA, and p-anisidine were purchasedfrom Sigma (St., Louis, MO, USA). All other chemicals usedwere of analytical grade.