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This article needs attention from an expert in chemicals. The specific problem is: There is a lot of contradiction in sources about this chemical, which is difficult to untangle without knowing about the subject.WikiProject Chemicals may be able to help recruit an expert. (October 2023)
Allistatin is the collective name for two chemicals, allistatin I and allistatin II, which may be found in garlic. There is no conclusive evidence of its existence, or the existence of the related compound garlicin. It is a sulfur-free chemical and plays an active role within garlic. It is most likely a flavonoid.
There is no experimental evidence of the structure of allistatin; some studies claim it is similar to cyanidin, while others found it shared similarities with garlicin (but not allicin).
References
^ Abaza, Sherif; Etewa, Samia E. (2010). "Herbal Medicine and Parasitic Diseases". Parasitologists United Journal.