Nguồn nhựa của Peru là Myroxyolon pereirae (balsamum), một cây gỗ gụ, gỗ, phát triển ở Trung Mỹ, gần như độc quyền ở El Salvador. Khi vỏ cây là khắc, một nhựa giống như chất lỏng dầu với mùi thơm đặc trưng thấm ra. | 212 Chapter 17 Alternative Topical Preparations neous ulcers. These include substances such as sea buckthorn seed oil or tannin-containing herbs 15 . There are no data in the literature that support their value in wound healing. Balsam of Peru The source of balsam of Peru is Myroxyolon pereirae balsamum a tree of mahogany-like wood which grows in Central America almost exclusively in El Salvador. When the tree bark is incised an oily resin-like liquid with a characteristic aroma seeps out. The main constituents of balsam of Peru are benzylesters of benzoic and cinnamic acid. It contains numerous other compounds not all of which have been identified. In folk medicine balsam of Peru has been given orally for various diseases such as rheumatic pain or chronic cough. Topically it has been used for certain skin diseases mainly for wounds and burns. Balsam of Peru has soothing properties that may alleviate pain. It is also said to have antibacterial properties. However there is no scientific evidence of its beneficial effect on wounds and cutaneous ulcers. Certainly its pleasant characteristic aroma makes it suitable for use on wounds with an unpleasant odor. However it must be remembered that a foul-smell is often a sign of infection. This being the case the preferred treatment may involve antibiotics or antibacterial substances. Chemically similar allergens are included in other balsams and essential oils. Therefore an allergic reaction to balsam of Peru a standard component of patch testing should be considered as an indication of the possibility of contact allergy to other fragrances and flavoring agents 16 . Clay Natural clay is a worldwide folk remedy used for various medical purposes. It may be used topically for wounds and cutaneous ulcers. Montmorillonite is an active mineral used in alternative medicine it derives its name from a deposit in Montmorillon in southern France. It is the main constituent of bentonite a powdered clay derived from .
