The cinchona is now also successfully cultivated in Ceylon and Jamaica.
Cinchona bark yields from 24% to 30% of aqueous extract.
It is a common practice to adulterate this spice in the same manner as cinchona bark.
Of the nearly forty different known species of cinchona trees, the barks of about a third are employed, some either directly in medicine, but by far the larger number as sources of quinine and the other cinchona alkaloids.
When dissolved by the aid of an acid it forms a solution which, after decolorisation by a little purified animal charcoal, turns the plane of polarisation strongly to the left (cinchona turns it to the right).
It occurs in the cinchona barks most probably combined with the alkaloids, which therefore exist in the plant as kinates.
A peculiar monobasic acid occurring in the cinchona barks, in which it exists associated with the alkaloids.
This alkaloid was discovered by Hesse, in 1872, in the bark of Cinchona succirubra, cultivated at Darjeeling, in British Sikhim.
The extract is astringent, and has been used in tanning, and as a substitute for cinchona bark.
You stated at the Linnean Society that different sets of seedling Cinchona (623/1.
He seems, however, to have had a share in introducingCinchona into India.
Cinchona is apparently heterostyled: see "Forms of Flowers," Edition II.
The proximity of the port of Carthagena would also render the neglected cultivation of cinchona an object of great importance to European trade.
Qualitative tests indicated the presence of traces of phosphates, sulphates, reducing sugars, caffein and cinchona alkaloids.
The first who wrote upon the therapy of cinchona was Barba, a Spanish physician, whose work was printed in Seville in 1642.
There has never been introduced into medicine any one drug which has proved itself so generally valuable and so widely effective as cinchona and its products.
Nothing better illustrates what may be expected in this direction than the experiment made a few decades ago in India with the cinchona tree.
Around the top of the falls are seen oak, elm andcinchona trees; at the bottom are found palms, bananas and sugar-cane.
The various species of cinchona render this zone notable, for it is here and in the tierra fría that was formerly obtained most of the quinine of commerce.
Illustration: Coffee-drying in Java] Years ago an enterprising Dutch botanist brought to Java some cinchona trees from South America.
Those of the latter class not included in the government departments are mostly interested in tea, coffee, or cinchona raising, in the immediate neighborhood.
There was over one million dollars' worth of cinchona bark exported in 1892 from Colombo.
More than a score of species of the tree from which this bark is obtained grow in the higher eastern slopes of the Andes, but a very large part is obtained from the tree, Cinchona calisaya.
Rubber from the Amazon forest is the most valuable vegetable product, but a considerable amount of cinchona bark and ivory nuts are also exported.
For that was unmistakably a cinchona tree, one of those he had thought about so much of late.
I have been so much taken up with getting the cinchona seed, that I have hardly thought of anything else.
But this isn't seed of the cinchona tree," cried Cyril excitedly.
I have come to seek it, and have found it far more easily than I expected: we are sitting and lying here right in the middle of one of the cinchona groves.
We deal largely in Peruvian remedies, principally the bark of the cinchona tree, from which quinine is made.
I went into this wholesale drug concern, hoping to make some money, but now, on account of the trouble down in Peru, we stand to lose considerable unless I can get back the cinchona concession.
Mr. Damon helped him, for that gentleman had succeeded in putting the affairs of the wholesale drug business on a firm foundation, and there was no more trouble about getting the supplies of cinchona bark to market.
One of the sub-contractors whose men are gathering the cinchona bark for our firm has his headquarters in the region where you are going, and I can go over there and see why he isn't up to the mark.
The interpreter and the native chief conversed rapidly for a moment and then the former, turning to Tom, said: "Men go git cinchona bark now.
But the late Mr. MacIvor, superintendent of the Government Cinchona plantations on the Nilgiri hills, has tested the value of northern and southern aspects in a way which accurately judges their respective values.
Sulphate of Quinia, extracted from the Cinchona Bark, exhausted by Decoction.
The Cinchona Officinalis furnishes much cinchonia, and little quinia; the Cinchona Magnifolia affords about equal quantities of the two salifiable principles, while the Cordifolia contain much quinia.
The cinchona here is not absolutely necessary; but operates by retaining the sulphate longer in contact with the edges of the gums.
The aqueous extract was found to contain but little cinchonia and quinia; while the residuum of decoctions, giving the mean results, furnished two-thirds of the sulphate of quinia, yielded by the same weight of cinchona not acted on by water.
Two-thirds of the exports consist of cinchona and coffee.
There is a copious growth of the cinchona tree, sarsaparilla, vanilla, copaiba, balsam of Tolu, etc.
Cinchona also is a work of nature; it is, after all, only the bark of a tree which we might gather for ourselves if we lived in the locality.
This reputation is based on the abundance in that country of two species, the Cinchona calisaya and Boliviana, the best known and most valued in the market.
A veritable treasure which they had unearthed, worth all the others put together, was a line of those violet cinchonas which the native exporters call Cascarilla morada, and the botanists Cinchona Boliviana.
The original source of the Peruvian bark of commerce, the Cinchona calisaya, is completely exhausted, and the "red bark" derived from C.
The Peruvian bark gatherers adulterate the true cinchona bark with this, but it may be detected by its white inner surface, its less powerful bitter taste, and a viscidity not possessed by the cinchonas.
The gray bark of Huanuco is derived from Cinchona micrantha, which is characterized by its yield of cinchonine, and the Loxa or Loja barks are furnished in part by Cinchona officinalis, and are especially rich in quinidine.
This South American tree furnishes Angostura bark, which has important medical properties, some physicians in South America preferring it to cinchona in the treatment of fevers.
This belongs to the cinchona family, and produces the fruit called genipap or marmalade box.
It belongs to the cinchona family and is known as Jamaica bark.
This plant belongs to the cinchona family, and contains tonic properties.
A plant belonging to the cinchona family, the roots of which are reputed to cure snake bites.
The name cinchona is derived from that of the wife of a viceroy of Peru, who is said to have taken the drug from South America to Europe in 1639.
A brownish resinous substance obtained as a by-product in the treatment of cinchona bark.
An amorphous bitter glucoside derived from cinchona and other barks.
An alkaloid extracted from the bark of several species of cinchona (esp.
Pertaining to, or designating, a crystalline acid obtained from some varieties of cinchona bark.
CHIN'A-BARK, a common name of cinchona bark (derived not from the empire of China, but from.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "cinchona" in a variety of sentences. We hope that you will now be able to make sentences using this word.
