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Oil-bearing plantsOil-bearing plants bear seeds, nuts, or fruits from which useful oils can be extracted by grinding and squeezing the seeds in a press. These oils have many uses. Some of them, called drying oils, absorb air to form a tough film. Drying oils, which include linseed oil, obtained from flax seed, are used to make paints and varnishes. Corn oil, olive oil, peanut oil and many other oils are used in the kitchen as cooking oils and in the manufacture of margarine and soap. Many oils obtained from plants are used as flavorings, such as oil of lemon or peppermint. Some oils obtained from fragrant plants are used in perfumes (see Perfume). You can read these articles also: |
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