Details Introduction

Tara Tannin

Category： Gallnut Series

Summary： Tara (Caesalpinia spinosa Kuntze), also known as the thorn cloud, is a species of evergreen shrubs of the sapwood family, growing in the northwest of South America, rich in Peru,Ecuador, mainly distributed in the Andes Mountains near the Pacific in the valleys and valleys.

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Details Introduction

Tara (Caesalpinia spinosa Kuntze), also known as the thorn cloud, is a species of evergreen shrubs of the sapwood family, growing in the northwest of South America, rich in Peru,Ecuador, mainly distributed in the Andes Mountains near the Pacific in the valleys and valleys.

A natural compound isolated from Tara pods. Galloyl and polygallyl esters composed of quinic acid were associated with an average of 4-5 galloyl groups per quinic acid.

The chemical structure [13] of taltannin is a polyploid ester with 3,4, 5-tri-0-quinoyl-quinic acid as the "core", that is, one quinic acid combined with 4-5 gallic groups, with an average molecular formula of C35H28O32. The gallic group structure in the tara tannin molecule is the same as that in gallnut tannin.

Executive Standard: LY/T1300-2022 (industry standard)

Tara tannins are hydrolyzed tannins

Name of Index	Indicator
Name of Index	Superior	First-grade	Qualified
Tannic acid content (dry base meter)/(%) ≥	70. 0	65.0	60.0
loss on drying/(%) ≤	9.0	9. 0	9. 0

Appearance: Light brown amorphous powder

4、 Usage:

1. Tara tanned leather, resulting in a light and soft leather with elasticity; Leather products tanned with Tara tannins have the characteristics of light color, non fading, hard texture, and smoothness.

2. Taratonin is used as a food additive, preservative, antioxidant, anti infective agent, insecticide, deodorant, diluent, etc.

keyword： Tara Tannin

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