【多选题】【消耗次数：1】
用水蒸气蒸馏法提取中药化学成分，要求此类成分
①
能与水反应
②
易溶于水
③
具挥发性
④
热稳定性好
⑤
极性较大
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中药中挥发性成分的性质，以下说法正确的有
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挥发油为以流动的油状液体，具香味
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挥发油可随水蒸气蒸馏
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挥发油具香味和挥发性
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挥发油是存在于[填空1]中一类可随水蒸气蒸馏得到的与水不相混溶的挥发性[填空2]。
【简答题】
挥发油是存在于[填空1]中一类可随水蒸气蒸馏得到的与水不相混溶的挥发性[填空2]。
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中药制剂中化学成分的复杂性包括
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