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

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

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

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