: a white crystalline acid C7H6O5 found widely in plants or combined in tannins and used especially in dyes and as a photographic developer
Examples of gallic acid in a Sentence
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Sorghum Sorghum is a gluten-free grain that’s high in protein, magnesium, B vitamins, and several protective phenolic compounds such as ferulic acid, gallic acid, luteolin, and apigenin.
—
Jillian Kubala, Health, 17 Oct. 2025
Rich in beneficial compounds such as amino acids, polyphenols, lecithin, gallic acid, and minerals such as calcium, magnesium, and potassium, Mucuna is used as a rejuvenating and aphrodisiac remedy in Ayurvedic medicine, and even to heal snake bites.
—Alessandra Signorelli, Glamour, 21 July 2025
The paper was then washed, dried, further sensitized with a solution of gallic acid and silver nitrate, then loaded into a camera and exposed.
—Anika Burgess
july 17, Literary Hub, 17 July 2025
Over time, its blend of niacinamide, alpha arbutin, and kojic and gallic acid promises to brighten stubborn dark spots.
—Jenny Berg, Vogue, 19 May 2025
This formula also features nourishing hyaluronic acid, garland lily extract, and gallic acid with a blend of ferulic acid and vitamin E to support UV and blue light protection.
—Jessie Quinn, Peoplemag, 28 Aug. 2023
These compounds were found in the kernel (nut) of the black walnut and included gallic acid, quercetin, and naringin, among others.5 Other research has shown that the intake of nuts may improve inflammation.
—Brittany Lubeck, Rd, Verywell Health, 16 Mar. 2023
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Jillian Kubala, Health, 17 Oct. 2025
Rich in beneficial compounds such as amino acids, polyphenols, lecithin, gallic acid, and minerals such as calcium, magnesium, and potassium, Mucuna is used as a rejuvenating and aphrodisiac remedy in Ayurvedic medicine, and even to heal snake bites.
—Alessandra Signorelli, Glamour, 21 July 2025
The paper was then washed, dried, further sensitized with a solution of gallic acid and silver nitrate, then loaded into a camera and exposed.
—Anika Burgess
july 17, Literary Hub, 17 July 2025
Over time, its blend of niacinamide, alpha arbutin, and kojic and gallic acid promises to brighten stubborn dark spots.
—Jenny Berg, Vogue, 19 May 2025
This formula also features nourishing hyaluronic acid, garland lily extract, and gallic acid with a blend of ferulic acid and vitamin E to support UV and blue light protection.
—Jessie Quinn, Peoplemag, 28 Aug. 2023
These compounds were found in the kernel (nut) of the black walnut and included gallic acid, quercetin, and naringin, among others.5 Other research has shown that the intake of nuts may improve inflammation.
—Brittany Lubeck, Rd, Verywell Health, 16 Mar. 2023
Cite this Entry
“Gallic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gallic%20acid. Accessed 31 Oct. 2025.
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