How Much Do We Know? A small number of studies have investigated the usefulness of bitter orange for health purposes in people. What Have We Learned? Bitter orange is likely safe when used orally in amounts commonly found in foods. There is one case report of a woman having a faster-than-normal heart rate at rest after taking a dietary supplement that contained only bitter orange. There are other case reports of healthy people experiencing fainting, angina, heart attack, and stroke after taking bitter orange as part of multicomponent products.
However, because these products contained multiple ingredients, it is difficult to know the role that bitter orange played. Evidence regarding the effects of bitter orange alone or combined with other substances, such as caffeine and green tea on the heart and cardiovascular system is inconclusive.
Keep in Mind. Take charge of your health—talk with your health care providers about any complementary health approaches you use. Together, you can make shared, well-informed decisions. For More Information. Toll-free in the U. Office of Dietary Supplements ODS , National Institutes of Health NIH ODS seeks to strengthen knowledge and understanding of dietary supplements by evaluating scientific information, supporting research, sharing research results, and educating the public.
Key References. Some suggestions to combine flavors and enhance their qualities in terms of taste, texture and color. Select a country and language to show content based on your location. French English Spanish German. Sweet orange and bitter orange: the perfect match! The zest is extremely fragrant and can be used in a wide variety of dishes.
It can also be used to make bitters. The highly distinctive zest of the bergamot orange is used as a potent and highly distinctive perfume and flavouring as in Earl Grey Tea. The white pith of the peel is very bitter, and lacks the strong orange flavour of the zest.
It is rarely used on its own, but is infused with sweetness and orange flavour in preserves e. It may also be use to make candied citrus peel. The seeds are a source of extremely high levels of pectin and can be used to thicken preserves like jam or jelly. They do not add an appreciable flavour on their own, and so can be used even with preserves that do not have an orange flavour.
While not important from a culinary standpoint, the wood is of very high quality, and is prized in parts of the world for carving, cabinetry, and the manufacturing of baseball bats. Disclaimer - the information here is meant to act as a guide, and should not replace the advice of a trained medical professional. Seville oranges in this case, generally referred to as bitter oranges are used to isolate a compound that is marketed as an appetite suppressant. While it has demonstrated some appetite-diminishing effects in clinical trials, the chemical compounds responsible fall in the same class as the now-banned substance known as ephedra, and are believed to pose similar risks.
Bitter orange extracts have not undergone sufficient testing for safety or efficacy. Bitter oranges, like grapefruits and some other related citrus species, are believed to be capable of dangerous drug interactions specifically with the drugs known as statins.
Consult with a medical professional about your dietary choices if you are using these or related drugs. Citrus aurantium. Share this Guide. The Basics. What Is It? Jump To The Recipes.
Seville Orange FAQs. Find Well-stocked green grocers and specialty grocery stores will often carry Seville oranges in season. Choose Bright orange, relatively firm oranges with a fragrant peel.
Prune a minimum of once a year. Ideally, this should happen in the late winter to mid spring if you live in a warm climate. If you live in a cooler region, wait until at least March to grab your pruning shears.
These should be sharp and clean in order to protect the tree. Focus on cutting away dead or crossing branches. Remember that the bitter orange tree has thorns, so make sure to wear gloves. The bitter orange tree does not attract many pests and is generally fairly resistant to disease. Check the tree regularly for slugs if it is planted outside. If it is in a pot in your home, look for mites or aphids. Either of these infestations can be treated with insecticidal spray or soap. The bitter orange tree should be fertilized several times a year.
Ideally, this should happen in late winter, late spring, and early autumn. You can use an approved commercial citrus fertilizer for this.
As the name implies, bitter oranges are not usually eaten because of their extreme acidity. However, they have found a niche in some recipes, especially in preserves. More widely, they are used in soaps, perfumes, and essential oils. This is because they have a higher concentration of oil in their peel and are more fragrant than sweet orange varieties.
In some parts of the world, the juice of the bitter orange is used as an antiseptic. It should come as no surprise that bitter oranges earn their name from their extremely sour, acidic flesh. However, the juice and oil are often used to complement dishes or to make orange flavoring. However, they are grown so widely around the world that you will find them used in many cultural or regional dishes.
In many countries, the juice of the bitter orange is paired with meat or fish dishes. The acidity is similar to lemon juice or vinegar and can be used in many of the same ways. If you are feeling brave, try experimenting with the tart juice to elevate a recipe with chicken, pork, or fish. It may also be used as a sauce for beef, veal, pork, or offal. Most of the time, you will not find anyone eating these oranges raw. The exception is in Mexico, where people enjoy bitter orange segments coated with salt and hot chili paste.
You may also find uses for the juice in limited quantities as a garnish. Although they are far too acidic to eat on their own, bitter oranges are excellent for turning into preserves.
They are widely used for making marmalade and are shipped around the world for this purpose.
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