This is the only citrus that is naturalized in my region - none are native. It is also called Trifoliate Citrus or Hardy Orange.
Mrs. Grieve tells us:
It is a small tree with a smooth, greyishbrown bark and branches that spread into a fairly regular hemisphere. The oval, alternate, evergreen leaves, 3 to 4 inches long, have sometimes a spine in the axil. They are glossy, dark green on the upper side, paler beneath. The calyx is cup-shaped and the thick, fleshy petals, five in number, are intensely white, and curl back.
The fruit is earth-shaped, a little rougher and darker than the common, sweet orange: the flowers are more strongly scented and the glands in the rind are concave instead of convex.
The first mention of oranges appears in the writings of Arabs, the time and manner of their first cultivation in Europe being uncertain.
The small, immature fruits are sometimes used under the name of Orange berries for flavouring Curaçoa. They are the size of a cherry and dark greyish-brown in colour. Formerly an essence was extracted from them.
The peel is used both fresh and dried. Much is imported from Malta, cut more thinly than that prepared in England.
In Grasse the blossoms are candied in large quantities.
Oil of petit grain is made from the leaves and young shoots.
The volatile oil of the bitter Orange peel is known as Oil of Bigarade, and Sweet Orange oil as Oil of Portugal. For methods of extraction, see LEMON.
Orange oil is one of the most difficult to preserve, the most satisfactory method being to add 10 per cent of its volume of olive oil.
The flowers yield by distillation an essential oil known as 'Neroli,' which forms one of the chief constituents of Eau-de-Cologne. A pomade and an oil are also obtained from them by maceration.
The oil from Sweet Orange blossoms is found in commerce under the name of 'Neroli petalae.' Being far less fragrant it only fetches half the price of neroli oil and on that account is frequently used to adulterate the true neroli oil.
The largest Bigarade-tree plantations are to be found in the South of France, in Calabria and in Sicily. The centre of the industry of neroli oil is the South of France, where the bitter Orange is extensively cultivated for that purpose alone. The tree requires a dry soil with a southern aspect. It bears flowers three years after grafting, increasing every year until it reaches its maximum, when it is about twenty years old. The quantity depends on the age and situation, a full-grown tree yielding on an average 50 to 60 lb. of blossoms. One hundred Orange trees, at the age of ten years, will occupy nearly an acre of land, and will produce during the season about 2,200 lb. of Orange flowers. The flowering season is in May and the flowers are gathered two or three times a week, after sunrise. When the autumn is mild and atmospheric conditions are favourable, flowering takes place in October, and this supplementary harvest lasts until January, or till a frosty morning stops the flowering. These autumn flowers have much less perfume than those of the spring and the custom is to value them at only one-half the price of May flowers. The Bitter Orange and Edible Orange trees bear a great resemblance to each other, but their leaf-stalks show a marked difference, that of the Bitter Orange being broadened out in the shape of a heart. The yield of oil is greatly influenced by the temperature and atmospheric conditions prevailing at the time of gathering. In warm weather it may amount to as much as 1,400 grams per 100 kilogrammes of flowers, but under adverse conditions, such as damp, cool and changeable weather, considerable diminution is experienced. Generally the largest yields are obtained at the end of the flowering season, on account of the warmer temperature.
The method most followed for extraction of the oil is by distillation, which yields a higher percentage of oil from the flowers than maceration or absorption in fats and volatile solvents. The flowers are distilled immediately after gathering, the essential oil rising to the surface of the distillate is drawn off, while the aqueous portion is sold as 'Orange Flower Water.' Orange flower water is being increasingly used in France by biscuit-makers to give crispness to their products, and some of the English biscuit-makers have also adopted it for this purpose.
There is a marked difference in the scent of the oils obtained by the different processes. Neroli obtained by distillation has quite a different odour from the fresh Orange flower; the oils obtained by solvents and by maceration and enfleurage are truest to the scent of the natural flower. From 100 kilogrammes of flowers 1,000 grams of oil are obtained; by volatile solvents, 600 grams; by maceration, 400 grams; and by enfleurage, only about 100 grams of oil.
Orange Flower Oil as obtained from pomatum, slightly modified with other extracts, can be employed to make 'Sweet Pea' and 'Magnolia' perfumes, the natural odours of which it slightly resembles.
The use of Orange-blossom as a bridal decoration is neither long-established nor indigenous, as it was introduced into this country from France only about a hundred years ago.
Constituents---The peel of var. Bigaradia contains volatile oil, three glucosides, hesperidin, isohesperidin, an amorphous bitter principle, Aurantiamarin, aurantiamaric acid, resin, etc.
The ethyl ether of -naphthol, under the name of nerolin, is an artificial oil of neroli, said to be ten times as strong.
Oil of Orange Flowers is:
'soluble in an equal volume of alcohol, the solution having a violet fluorescence and a neutral reaction to litmus paper. The specific gravity is 0.868 to 0.880 at 25 degrees C. (77 degrees F.). When agitated with a concentrated solution of sodium bisulphate it assumes a permanent purple-red colour.' It must not be coloured by sulphuretted hydrogen. Oil of Sweet Orange Peel contains at least 90 per cent o-limonene, the remaining 10 per cent being the odorous constituents, citral, citronellal, etc. It is a yellow liquid with the specific gravity 0.842 to 0.846 at 25 degrees C. (77 degrees F.).
Oil of Bitter Orange Peel, a pale yellow liquid, is soluble in four volumes of alcohol, the solution being neutral to litmus paper. The specific gravity is 0.842 to 0.848 at 25 degrees C. (77 degrees F.). The odour is more delicate than that of the Sweet Orange.
Fuming nitric acid gives a dark green colour to sweet peel and a brown to the bitter.
Medicinal Action and Uses---The oil is used chiefly as a flavouring agent, but may be used in the same way as oil of turpentine in chronic bronchitis. It is non-irritant to the kidneys and pleasant to take.
On the Continent an infusion of dried flowers is used as a mild nervous stimulant.
The powdered Bitter Orange peel should be dried over freshly-burnt lime. For flavouring, the sweet peel is better, and as a tonic, that of the Seville or Bigaradia is preferred.
A syrup and an elixir are used for flavouring, and a wine as a vehicle for medicines.
The compound wine is too dangerous as an intoxicant, being mixed with absinthium, to be recommended as a tonic.
Preparations of Bitter Orange---Syrup, B.P., 1/2 to 1 drachm. Tincture, B.P. and U.S.P., 1/2 to 1 drachm. Infusion of Orange, B.P., 4 to 8 drachms. Infusion of Orange Compound, B.P., 4 to 8 drachms. Compound spirit, U.S.P., 1 to 2 drachms. Syrup, B.P., 1/2 to 1 drachm. Wine, B.P., a wineglassful.
Plants for A Future states:
Medicinal use of Bitter Orange: The thorns are used in the treatment of toothache. The stem bark is used in the treatment of colds. The fruits contain a number of medically active constituents including flavonoids, coumarins, monoterpenes and alkaloids. The fruit, with the endocarp and seeds removed, is carminative, deobstruent and expectorant. It is used in the treatment of dyspepsia, constipation and abdominal distension, stuffy sensation in the chest, prolapse of the uterus, rectum and stomach. It is milder in effect than the immature fruit and is better used for removing stagnancy of food and vital energy in the spleen and stomach. The unripe fruit is antidiarrheic, antiemetic, antispasmodic, deobstruent, digestive, diuretic, laxative, stimulant, stomachic and vasoconstrictor. It is used in the treatment of dyspepsia, constipation and abdominal distension, stuffy sensation in the chest, prolapse of the uterus, rectum and stomach, shock.
This article is an excerpt from
Medicinal Shrubs and Woody Vines of The American Southeast An Herbalist's Guide
Read about Medicinal Shrubs and Woody Vines of The American Southeast An Herbalist's Guide: https://southernappalachianherbs.blogspot.com/2022/06/medicinal-shrubs-and-woody-vines-of.html
Available for purchase on Amazon: https://www.amazon.com/dp/B0B2T4Y5L6: by Judson Carroll
His New book is:
Read About: The Medicinal Weeds and Grasses of the American Southeast
https://southernappalachianherbs.blogspot.com/2023/05/medicinal-weeds-and-grasses-of-american.html
Available in paperback on Amazon:
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His new cookbook is:
Read About The Omnivore’s Guide to Home Cooking for Preppers, Homesteaders, Permaculture People and Everyone Else"
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Available for purchase on Amazon:
https://www.amazon.com/dp/B0BGKX37Q2
His other works include:
Confirmation, an Autobiography of Faith
Ferns and Fern Allies, an Herbalist's Guide
Read About Ferns and Fern Allies, an Herbalist's Guide
https://southernappalachianherbs.blogspot.com/2022/11/medicinal-ferns-and-fern-allies.html
Available for purchase on Amazon:
Growing Your Survival Herb Garden for Preppers, Homesteaders and Everyone Else
Read About Growing Your Survival Herb Garden for Preppers, Homesteaders and Everyone Else: http://southernappalachianherbs.blogspot.com/2022/04/growing-your-survival-herb-garden-for.html
Available for purchase on Amazon: https://www.amazon.com/dp/B09X4LYV9R
The Encyclopedia of Bitter Medicinal Herbs:
southernappalachianherbs.blogspot.com/2022/03/the-encyclopedia-of-bitter-medicina.html
Available for purchase on Amazon:
https://www.amazon.com/dp/B0B5MYJ35R
Christian Medicine, History and Practice:
https://southernappalachianherbs.blogspot.com/2022/01/christian-herbal-medicine-history-and.html
Available for purchase on Amazon: www.amazon.com/dp/B09P7RNCTB
Herbal Medicine for Preppers, Homesteaders and Permaculture People
southernappalachianherbs.blogspot.com/2021/10/herbal-medicine-for-preppers.html
Also available on Amazon: https://www.amazon.com/dp/B09HMWXL25
Look Up: The Medicinal Trees of the American South, An Herbalist's Guide
http:///www.amazon.com/dp/1005082936
The Herbs and Weeds of Fr. Johannes Künzle:
https://southernappalachianherbs.blogspot.com/2021/05/announcing-new-book-herbs-and-weeds-of.html
Author: Judson Carroll. Judson Carroll is an Herbalist from the Blue Ridge Mountains of North Carolina.
His weekly articles may be read at judsoncarroll.com
His weekly podcast may be heard at: www.spreaker.com/show/southern-appalachian-herbs
He offers free, weekly herb classes: https://rumble.com/c/c-618325
Disclaimer
The information on this site is not intended to diagnose or treat any disease or condition. Nothing on this site has been evaluated or approved by the FDA. I am not a doctor. The US government does not recognize the practice of herbal medicine and their is no governing body regulating herbalists. Therefore, I'm just a guy who studies herbs. I am not offering any advice. I won't even claim that anything I write is accurate or true! I can tell you what herbs have "traditionally been used for." I can tell you my own experience and if I believe an herb helped me. I cannot, nor would I tell you to do the same. If you use any herb I, or anyone else, mentions you are treating yourself. You take full responsibility for your health. Humans are individuals and no two are identical. What works for me may not work for you. You may have an allergy, sensitivity or underlying condition that no one else shares and you don't even know about. Be careful with your health. By continuing to read my blog you agree to be responsible for yourself, do your own research, make your own choices and not to blame me for anything, ever.
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