SKU: 17781510450

Oak Gallnut Extract - Quercus infectoria

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Description

Oak Gallnut Extract - Quercus infectoriaAlso known as oak gall, Aleppo gall, dyers gall, gallnut of commerce. Unlike the usual powder, this is a highly concentrated extract of Quercus infectoria gall nuts. With a tannin content of over 95% gallotannins, it is one of the richest natural sources of tannin available. Gallnut extract has been used for centuries in both dyeing and ink making, prized for its ability to fix, deepen, and preserve colours. Applied to textiles, oak gall nut extract

Also known as oak gall, Aleppo gall, dyer’s gall, gallnut of commerce.


Unlike the usual powder, this is a highly concentrated extract of Quercus infectoria gall nuts. With a tannin content of over 95% gallotannins, it is one of the richest natural sources of tannin available. Gallnut extract has been used for centuries in both dyeing and ink making, prized for its ability to fix, deepen, and preserve colours.

Applied to textiles, oak gall nut extract enhances dye uptake, improves both light- and wash-fastness, and allows colours to age into more complex, layered tones. It is particularly important in “galling” cellulose fibres before mordanting with alum, ensuring long-lasting durability and brilliance.

Historical Note
Gallnuts have been central to dyeing since antiquity and are mentioned in countless medieval and early modern dye books. They were also a vital ingredient in iron gall ink, the standard writing ink of Europe for more than a thousand years. Their role in natural dyeing is equally enduring, forming the backbone of tannin-based mordanting for cellulose.

Active Dye Components

  • Gallotannins (hydrolysable tannins, over 95%)

CI Colour Name
Not a dye in itself; classified as a tannin mordant/assist.

Advantages

  • Increases lightfastness: protects colours from fading in sunlight
  • Improves wash fastness: stabilises colours through repeated laundering
  • Ideal for galling: strengthens mordanting on cellulose fibres
  • Eco-friendly: sustainably sourced, biodegradable, and non-toxic

Shading Tips

  • Alone → soft beiges to grey-browns (with iron modifiers, near-black)
  • With alum mordant → clearer shades, better brilliance
  • With iron → dark greys and near-black
  • Essential as a tannin base for cotton, linen, and hemp mordanting

Light fastness: excellent (when used as a tannin base or with iron).

Source
Derived from sustainably harvested oak galls of Quercus infectoria.

Shipping Notes
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Exchange/Return Notes
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SKU: 17781510450

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phala riffel
Whiting, US
★★★★★ 5
Comfortable shoes
Size: 10.5, Color: Black
Fit well Look great Get compliments all the time
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Reviewed in the United States on April 3, 2026
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Larry
Natrona Heights, US
★★★★★ 5
Good value for the money.
Size: 9.5 Wide, Color: Beige
Comfortable right out of the box. Great style and well made. The more you wear the softer they get but maintain their overall appearance.
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Reviewed in the United States on May 25, 2026
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Amazon Customer
Battle Creek, US
★★★★★ 5
Very good quality for a reasonable price.
Size: 10, Color: Grey
Very good quality, very soft, very comfortable, look amazing, I’m very happy.
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Reviewed in the United States on May 23, 2026
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Mike L.
Carnegie, US
★★★★★ 4
Comfortable fit for slip-in fabric shoes
Size: 14, Color: Black/Black
My first experience with Marc Joseph. I typically purchase dress and casual work shoes from Florsheim and occasionally Rockport. I'm giving these four stars because the initial fit and feel appear solid. Depending on the shoe brand I wear a size 14 or 15. My feet are slightly wide but I don't alway need wide fit. These size 14 fit well with wide enough toe box. I've tried slip in shoes before and they just don't feel right. These somehow work and there is no heel slip. My only reservation is the high lip on the heel for slip-in and hope they dont catch pant hems. I gave 4 stars because I'll have to determine durability. Granted they are a light fabric shoe with a soft rubber tread. I'd like them to last for at least 6 months..and use them for business casual work wear during warm weather.
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Reviewed in the United States on May 19, 2026
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Chris
Port Orchard, US
★★★★★ 5
Stylish and comfortable.
Size: 8 Wide, Color: Black/Black
Shoes look great and fits well. Definitely recommend pocking another pair.
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Reviewed in the United States on May 10, 2026

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