1. Salts and esters of gallic acid are termed " gallates ". 2. Mango leaves also have significant polyphenol content, including xanthonoids, mangiferin and gallic acid . 3. Results are typically expressed as gallic acid equivalents ( GAE ). 4. Gallic acid , catechin, epicatechin and ferulic acid are the main polyphenolics in pineapple peels.5. Gallic acid was first studied by the Swedish chemist Carl Wilhelm Scheele in 1786.6. 0.05 g of gallic acid is used for every 10 mls of sulphuric acid. 7. The same ratio of gallic acid n-propyl ester in sulfuric acid can also be used. 8. The areca nut contains the tannins arecatannin and gallic acid ; a fixed oil vasoconstricting properties. 9. Gallic acid is commonly used in the pharmaceutical industry.10. "' Dodecyl gallate "', or lauryl gallate, is the ester of dodecanol and gallic acid .
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