問題詳情

57 黑芥子苷(sinigrin)經 myrosinase 酵素水解後,可得下列何產物?
(A)Allyl isothiocyanate+glucose+HSO 4-
(B)Benzaldehyde+2 glucose+HCN
(C) p-Hydroxybenzyl isothiocyanate+glucose
(D) Mandelonitrile+glucose+HCN

參考答案

答案:A
難度:適中0.67359
統計:A(227),B(28),C(21),D(23),E(0)

用户評論

【用戶】補骨脂

【年級】高一下

【評論內容】(A)Allyl isothiocyanate+glucose+HSO 4-     =====黑芥子苷(sinigrin)經 myrosinase 酵素水解(B)Benzaldehyde+2 glucose+HCN                =====苦杏仁苷(Amygdalin)經amygdalase及prunase水解後(C) p-Hydroxybenzyl isothiocyanate+glucose  ====白芥子苷(sinalbin)經 myrosinase 酵素水解(D) Mandelonitrile+glucose+HCN                   ====野櫻皮苷  (Prunasin) 經prunase水解

【用戶】過過小藥師

【年級】大二上

【評論內容】提供背法Amygdalin= Mendelnitrile-beta-gentibiose(背”bi”ose為兩個糖)= Prunasin + Glucose= Mendelnitrile-beta-glucoside + Glucose= Mendelnitrile + Glucose + Glucose= HCN + Benzaldehyde + Glucose + Glucose Amygdalase切GlucosePrunase切Glucose

【用戶】所得皆所愿

【年級】大三上

【評論內容】Thio Glycoside (Isothiocyanate) 異硫氰酸苷 配糖體【Brassicaceae十字花科 - 乾燥成熟種子】Black Mustard 黑芥子White Mustard 白芥子基源/別名Brassica nigra(Sinapsis nigra)Brassica alba(Sinapsis alba)成分Sinigrin(S-glycoside)Sinalbin(S-glycoside)被Myrosinase水解後Allylisothiocynate、Glucosep-Hydroxybenzyl isothiocynate用途用於止吐