Soaps are water-soluble sodium or potassium salts of fatty acids. Soaps are made from fats and oils, or their fatty acids, by treating them chemically with a strong alkali.
植物油的榨取過程中,也是有一個strong alkali的工序是。
肥皂能洗掉病毒,是因為其fat acids 成分呢,還是alkaline 的作用呢。你可以弄個課題研究一下:)