gallate

American  

[gal-eyt, gaw-leyt] / ˈgæl eɪt, ˈgɔ leɪt /

noun

Chemistry.

1. a salt or ester of gallic acid.

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Etymology

Origin of gallate

First recorded in 1785–95; gall(ic acid) + -ate ²

Example Sentences

The Verdict: A published report cited by some companies found a serving of matcha contained 137 times as much of an antioxidant called epigallocatechin gallate, or EGCG, as one brand of green tea tested.

From The Wall Street Journal • Dec. 14, 2015

Wet the paper with this compound; the acid will discharge the colour from the last writing, while the alkali of the first, will precipitate the gallate of iron, and the writing will become black.

From A Select Collection of Valuable and Curious Arts and Interesting Experiments, Which are Well Explained and Warranted Genuine and may be Performed Easily, Safely, and at Little Expense. by Unknown, Various

With ferric salts its solution gives a deep blue colour, and with ferrous salts, after exposure to the air, an insoluble, blue-black, ferroso-ferric gallate.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" by Various

Mr. Talbot’s gallate of silver process was not patented or published till 1841; whereas the Rev. J. B. Reade produced paper negatives by means of gallic acid and nitrate of silver in 1837.

From The Evolution of Photography With a Chronological Record of Discoveries, Inventions, etc., Contributions to Photographic Literature, and Personal Reminescences Extending over Forty Years by Werge, John