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See also:POPPY OIL (Oleum papaveris) , a See also:vegetable oil obtained by pressure from the See also:minute seeds of the See also:garden, or See also:opium poppy, Pa paver somniferum. The See also:- WHITE
- WHITE, ANDREW DICKSON (1832– )
- WHITE, GILBERT (1720–1793)
- WHITE, HENRY KIRKE (1785-1806)
- WHITE, HUGH LAWSON (1773-1840)
- WHITE, JOSEPH BLANCO (1775-1841)
- WHITE, RICHARD GRANT (1822-1885)
- WHITE, ROBERT (1645-1704)
- WHITE, SIR GEORGE STUART (1835– )
- WHITE, SIR THOMAS (1492-1567)
- WHITE, SIR WILLIAM ARTHUR (1824--1891)
- WHITE, SIR WILLIAM HENRY (1845– )
- WHITE, THOMAS (1628-1698)
- WHITE, THOMAS (c. 1550-1624)
white-seeded and See also:black-seeded varieties are both used for oil-pressing; but, when the See also:production of oil is the See also:principal See also:object of the culture, the black See also:seed is usually preferred. The qualities of the' oil yielded by both varieties and the proportion they contain (from 50 to 6o%) are the same, By See also:cold pressing seeds of See also:fine quality yield from 30 to 40% of virgin or white oil (huile See also:blanche), a transparent limpid fluid with a slight yellowish tinge, bland and pleasant to See also:taste, and with almost no perceptible See also:smell. On second pressure with the aid of See also:heat an additional 20 to 25% of inferior oil (huile de fabrique or huile russe) is obtained, reddish in See also:colour, possessed
of a biting taste, and a See also:linseed-like smell. The oil belongs to the linoleic or drying See also:series, having as its principal constituent linolein; and it possesses greater drying See also:power than raw linseed oil. Its specific gravity at 15° C. is 0.925. Poppy oil is a valuable and much used See also:medium for See also:artistic oil See also:painting. The fine qualities are largely used in the See also:north of See also:France (huile d' ceillette) and in See also:Germany as a See also:salad oil, and are less liable than See also:olive oil to rancidity. The See also:absence of taste and characteristic smell in poppy oil also leads to its being much used for adulterating olive oil. The inferior qualities are principally consumed in See also:soap-making and See also:varnish-making, and for burning in lamps. The oil is very extensively used in the valley of the See also:Ganges and other opium regions for See also:food and domestic purposes. By native methods in See also:India about 30% of oil is extracted, and the remaining oleaginous cake is used as food by the poor. See also:Ordinary poppy-oil cake is a valuable feeding material, See also:rich in nitrogenous constituents, with an ash showing an unusually large proportion of phosphoric See also:acid. The seed of the yellow horned poppy, Glaucium luteum, yields from 30 to 35% of an oil having the same drying and other properties as poppy oil; and from the Mexican poppy, Argemone mexicana, is obtained a non-drying oil used as a lubricant and for burning.
End of Article: POPPY OIL (Oleum papaveris)
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