| abstract |
The invention discloses a kind of preparation methods of watermelon essence, it includes that the watermelon crushing and beating after remove seed will be removed the peel, is filtered under diminished pressure, is concentrated under reduced pressure, inspissated juice adds sugar source and ammonia source after reacting 1 5h at 100 180 DEG C, 3 10 times of volume organic solvents are added, 1 4h of heating and refluxing extraction under the conditions of 45 80 DEG C；Extracting solution is subjected to firsts and seconds molecular distillation under certain condition, the light phase steamed is watermelon essence.Preparation process of the present invention is simple, of low cost, and gained watermelon essence is uniformly sprayed onto on pipe tobacco by perfuming cigarette process, can highlight cigarette " roasting sweet tea " or " burnt sweet tea " note, improve the sucking quality of cigarette and sense organ comfort level, is worth promoting and applying in the whole industry. |