Вот тут еще можете почитать: http://www.aromablog.ru/2009/08/decant-%D0%BE%D1%82%D0%BB%D0%B8%D0%B2%D0%B0%D0%BD%D1%82-%D0%B0%D1%82%D0%BE%D0%BC%D0%B0%D0%B9%D0%B7%D0%B5%D1%80-%D1%80%D1%83%D0%BA%D0%BE%D0%B2%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%BE-%D0%BF%D0%BE%D0%BB/