Balsam of Peru [1] or Peru balsam, [2] also known and marketed by many other names, is a balsam derived from a tree known as Myroxylon balsamum var. pereirae; it is found in El Salvador, where it is an endemic species.
Balsam of Peru is used in food and drink for flavoring, in perfumes and toiletries for fragrance, and in medicine and pharmaceutical items for healing properties. It has a sweet scent. In some instances, balsam of Peru is listed on the ingredient label of a product by one of its various names, but it may not be required to be listed by its name by mandatory labeling conventions.
It can cause allergic reactions, with numerous large surveys identifying it as being in the "top five" allergens most commonly causing patch test reactions. [3] [4] It may cause inflammation, redness, swelling, soreness, itching, and blisters, including allergic contact dermatitis, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngeal mucosa, or angles of the mouth), pruritus, hand eczema, generalized or resistant plantar dermatitis, rhinitis, and conjunctivitis.
Balsam of Peru is obtained by using rags to soak up the resin after strips of bark are removed from the trunk of Myroxylon balsamum var. pereirae, boiling the rags and letting the balsam sink in water. [1] [5] The balsam is an aromatic dark-brown oily fluid. [1] [5]
Balsam of Peru contains 25 or so different substances, [6] including cinnamein, cinnamic acid, cinnamyl cinnamate, benzyl benzoate, benzoic acid, and vanillin. [7] [8] It also contains cinnamyl alcohol, cinnamaldehyde, farnesol, and nerolidol. [9] A minority of it, approximately 30–40%, contains resins or esters of unknown composition. [8]
Balsam of Peru is used in food and drink for flavoring, in perfumes and toiletries for fragrance, and in medicine and pharmaceutical items for healing properties. [8]
In some cases, it is listed on the ingredient label of a product by one of its various names. [7] Naturally occurring ingredients may contain substances identical to or very closely related to balsam of Peru. [7]
It has four primary uses:
It also can be found in toothpaste, mouthwash, scented tobacco, cleaning products, pesticides, insect repellants, air fresheners and deodorizers, scented candles, and oil paint. [10] [19] [20]
A number of national and international surveys have identified balsam of Peru as being in the "top five" allergens most commonly causing patch test reactions in people referred to dermatology clinics. [12] [21] [22] A study in 2001 found that 3.8% of the general population patch tested was allergic to it. [23] Many flavorings and perfumes contain components identical to balsam of Peru. [24] It may cause redness, swelling, itching, and blisters. [25]
People allergic to balsam of Peru or other chemically related substances may experience a contact dermatitis reaction. [8] If they have oral exposure, they may experience stomatitis (inflammation and soreness of the mouth or tongue), and cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngeal mucosa, or angles of their mouth). [8] [12] [21] If they ingest it, they may experience pruritus and contact dermatitis in the perianal region, possibly due to unabsorbed substances in the feces. [12] [26] It can cause a flare-up of hand eczema. [8] Among the other allergic reactions to balsam of Peru are generalized or resistant plantar dermatitis, rhinitis, and conjunctivitis, [12] [27] In a case study in Switzerland, a woman who was allergic to balsam of Peru was allergic to her boyfriend's semen following intercourse after he drank large amounts of Coca-Cola. [28]
A positive patch test is used to diagnose an allergy to balsam of Peru. [8] [11] [26] Positive patch test results indicate that the person may have problems with certain flavorings, medications, and perfumed products. [8] Among foods, the most commonly implicated are spices, citrus, and tomatoes. [30]
People allergic to balsam of Peru may benefit from a diet in which they avoid ingesting foods that contain it. [12] Naturally occurring ingredients may contain substances identical to or very closely related to balsam of Peru, and may cause the same allergic reactions. [7] In some instances, balsam of Peru is listed on the ingredient label of a product by one of its various names, but it may not be required to be listed by its name by mandatory labeling conventions (in fragrances, for example, it may simply be covered by an ingredient listing of "fragrance"). [7] [31] [32] [33] [34] To determine if balsam of Peru is in a product, often doctors have to contact the manufacturer of the products used by the patient. [35]
Before 1977, the main recommended marker for perfume allergy was balsam of Peru, which is still advised. The presence of balsam of Peru in a cosmetic will be denoted by the INCI term Myroxylon pereirae. [9] Because of allergic reactions, since 1982 crude balsam of Peru has been banned by the International Fragrance Association from use as a fragrance compound, but extracts and distillates are used up to a maximum level of 0.4% in products, and are not covered by mandatory labeling. [24]
In March 2006, the European Commission, Health and Consumer Protection Directorate-General, Scientific Committee on Consumer Products, issued an opinion on balsam of Peru. [2] It confirmed that crude balsam of Peru should not be used as a fragrance ingredient, because of a wide variety of test results on its sensitizing potential, but that extracts and distillates can be used up to a maximum level of 0.4% in products. [2]
The name balsam of Peru is a misnomer. [36] In the early period of Spanish invasion in Central and South America, the balsam was collected in Central America and shipped to Callao (the port of Lima) in Peru, then shipped onward to Europe. [36] [37] [38] It acquired the name of "Peru" because it was shipped via there. [36] [37] Its export to Europe was first documented in the seventeenth century in the German pharmacopoeia. Today it is extracted under a handicraft process, and is mainly exported from El Salvador. [39] Another balsam, balsam of Tolu, is extracted from Myroxylon balsamum var. balsamum in a different way. [5] [40]
Among the alternate names used for balsam of Peru are: [8] [41]
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Dermatitis is inflammation of the skin, typically characterized by itchiness, redness and a rash. In cases of short duration, there may be small blisters, while in long-term cases the skin may become thickened. The area of skin involved can vary from small to covering the entire body. Dermatitis is often called eczema, and the difference between those terms is not standardized.
Perfume is a mixture of fragrant essential oils or aroma compounds (fragrances), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable scent. Perfumes can be defined as substances that emit and diffuse a pleasant and fragrant odor. They consist of manmade mixtures of aromatic chemicals and essential oils. The 1939 Nobel Laureate for Chemistry, Leopold Ružička stated in 1945 that "right from the earliest days of scientific chemistry up to the present time, perfumes have substantially contributed to the development of organic chemistry as regards methods, systematic classification, and theory."
Cosmetics are composed of mixtures of chemical compounds derived from either natural sources or synthetically created ones. Cosmetics have various purposes, including personal and skin care. They can also be used to conceal blemishes and enhance natural features. Makeup can also add colour to a person's face, enhance a person's features or change the appearance of the face entirely to resemble a different person, creature, or object.
An essential oil is a concentrated hydrophobic liquid containing volatile chemical compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the oil of the plant from which they were extracted, such as oil of clove. An essential oil is essential in the sense that it contains the essence of the plant's fragrance—the characteristic fragrance of the plant from which it is derived. The term "essential" used here does not mean indispensable or usable by the human body, as with the terms essential amino acid or essential fatty acid, which are so called because they are nutritionally required by a living organism.
Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling. These rashes are not contagious or life-threatening, but can be very uncomfortable.
A moisturizer, or emollient, is a cosmetic preparation used for protecting, moisturizing, and lubricating the skin. These functions are normally performed by sebum produced by healthy skin. The word "emollient" is derived from the Latin verb mollire, to soften.
A patch test is a diagnostic method used to determine which specific substances cause allergic inflammation of a patient's skin.
Natural skin care uses topical creams and lotions made of ingredients available in nature. Much of the recent literature reviews plant-derived ingredients, which may include herbs, roots, flowers and essential oils, but natural substances in skin care products include animal-derived products such as beeswax, and minerals. These substances may be combined with various carrier agents, preservatives, surfactants, humectants and emulsifiers.
Tolu balsam or balsam of Tolu is a balsam that originates from South America. It is similar to the balsam of Peru.
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Myroxylon balsamum, Santos mahogany, is a species of tree in the family Fabaceae. It is native to tropical forests from Southern Mexico through the Amazon regions of Peru and Brazil at elevations of 200–690 metres (660–2,260 ft). Plants are found growing in well drained soil in evergreen humid forest.
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