鲜笋在加工成干品过程中,如加入硫磺则不易变质,且保水率高;加入硝亚则能给笋干漂白。故部分不良商贩在加工过程中加入硫磺和硝亚,以达到防变质、增重、调色的目的。加了硫磺的笋干含有大量的二氧化硫(SO2),对人 ...1 k' F8 N! j5 @) m& I
爱城一粒沙子 发表于 2011-10-4 11:32
" b* _ g- ?2 W' d( M - P E6 _ p% ]: i1 n/ B- J: OI do not eat this thing but thanks for sharing with us. ; Q; r* ]( M! x2 \$ u1 n: R8 c; F& {& N2 T, a9 H
Are 1000 flowers enough for you to anounce the answer?