Diamine oxidase (DAO) is the enzyme that breaks down histamine in the body. People with lower levels of DAO have higher histamine levels and, therefore, may be more likely to develop allergies.

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A orange solid product was obtained in a 65% yield which starts to melt at 260 °C. The chemical structure of diamine and its procedure is shown in Scheme 1. The limiting viscosity number [η] of ...

Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, China ...

This is the point where DAO supplements come in handy. DAO, or diamine oxidase, is an enzyme that breaks down histamine in the body. Taking a DAO supplement can help alleviate symptoms of ...