What is a Gallic acid?

Gallic acid is a naturally occurring phenolic compound commonly found in plants, especially in gall nuts, oak bark, tea leaves, and various fruits. It is derived from the hydrolysis of tannins and is known for its strong antioxidant, anti-inflammatory, and antimicrobial properties. These features make it valuable in health supplements, pharmaceuticals, and cosmetics. In the food industry, gallic acid is used as an antioxidant additive, and it is naturally present in foods such as tea and red wine. It also has a strong affinity for metal ions, a property that historically made it useful in ink production, particularly in the formulation of iron gall ink. Scientific studies have shown its potential in cancer prevention and neuroprotection, and its natural origin makes it a safe choice for various applications. With its wide range of biological activities, gallic acid continues to gain attention for both traditional and modern uses.

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