Ainda não temos significados para "volatile oils".
1Agreeable volatile oils and flavouring substances in fruits attract birds and animals.
2The volatile oils dissolve the tar so that it can be rubbed off.
3This condenses the steam which contains the volatile oils and thus darkens the vegetable.
4Rapid boiling destroys the fine aroma and volatile oils, which escape in the steam.
5In plants are found a large number of powerful volatile oils, alkaloids, bitter resins, etc.
6Certain volatile oils may attract insects, and in obtaining nectar from flowers insects assist fertilisation.
7Next there are the volatile oils, developed by roasting, from which coffee derives its aroma.
8But these volatile oils should be used carefully.
9Why are some volatile oils obtained by expression?
10These volatile oils are strongest in new teas, and are gradually wasted by exposure to the atmosphere.
11Since volatile oils evaporate readily, especially when heated, flavoring extracts should be added, if possible, to cold foods.
12The volatile oils of mustard, caraway, cloves, etc., are used in medicine; also the alkaloids of coffee and cocoa.
13It is also sparingly soluble in glycerin and fixed oils, and to a greater or less extent in volatile oils.
14A clear flame sprang up and burned for thirty seconds or so, I suppose while it consumed the volatile oils in the weed.
15These are, (1) Theine, (2) Essential or Volatile Oils, (3) Tannin.
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