Tannin - Import export

We are aleppo oak gallnuts producer from Turkey. Oak Gallnut is one of the best tannin sources that you can use in natural dye as a mordant. Oak gallnut powder helps you to create very sharp shades of any color. You can use oak gallnut as a dye as well but the best is to use it as a mordant. First of all, we separate green oak gall and white oak gall. Because the color of oak gall is very important in terms of tannin. White oak gall has slightly less tannin than the green one. That's why green oak gallnut is mostly been used in making oak ink or been used in chemistry. Still, you can use green oak gall as a very reach tannin source that you easily dye your natural cotton. Please note that we are also selling aleppo oak gallnuts as wholesale from Turkey. The minimum quantity for wholesale is 50kg whole or powder oak gallnuts. Please take into account that we are able to sell in tonnes, so don't hesitate to get into contact if you like to buy tonnes of oak gallnuts from Turkey.

Acorn extract is an environmentally friendly product that does not pollute the environment during application as a natural tannins. We sale acorn extract as a wholesale form Turkey. Areas of application can be counted as a natural dye in vegetable leather tanning, fabric dyeing and as a glue additive in mdf / chipboard industry. In the retainage of chrome leather, it fills the empty structure, also thin and tight leather with glaze is obtained. - As a result of the use of chrome leathers in retaining, more provides sufficient and easy sanding. - Natural (natural) skin appearance is easily achieved by polishing or polishing. - Pattern printing on the skin side is easier and permanent. - With its use in leather tanning, the more dense and fuller product is obtained. - Its water resistance is better than other tanning agents. - Lightfastness is more than most vegetable tannins. - It is a natural environment-friendly product and does not create harmful waste to the environment.

Gallnuts from the oak tree are the earliest and richest source for natural tannin. They are produced by insects who deposit their eggs in small punctures they make on young branches. As a protection, the tree excretes a tannin-rich substance that hardens and forms into a gallnut. These are collected and ground for use as a tannin mordant. Gallnut or Oak Gall is used to mordant cellulose fibers and fabrics before the alum mordant is used. Alum does not combine as readily with cellulose fibers as it does with protein fibers. Tannin has a great affinity with cellulose fiber and once mordanted with tannin, alum combines well with the tannin-fiber complex. Oak Gallnuts is abnormal outgrowths of plant tissues caused by various parasites, particularly insects. Oak galls, found on oaks in the Middle East, have long been used to make high-quality ink and for dyeing.  The tannic acid is perfect for the pre-treatment of cellulosic vegetable fibers.

Tannic acid is a specific type of polyphenol that can only be isolated from nutgall trees, tara pods, and Sicilian sumac leaves. The most common tannic acid use is as an additive in foods to give its desired color and taste, but moreover, it exhibits various biological activities like: