Product Name: Tea Polyphenols 98%
English name: Green Tea Polyphenols
Abbreviation: GTP
Alternative names: tea tannins, tea tannins
Chemical formula: C17H19N3O
Molecular weight: 281.36
Character: White crystalline powder, with a astringent taste, easily soluble in water, ethanol, slightly soluble in oil. Slightly hygroscopic, prone to oxidation and browning under alkaline conditions.
Stability: Stable at pH 4-8. It is prone to deterioration when exposed to strong alkalis, acids, light, heat, and transition metals. The heat-resistant temperature can reach around 250 ℃ within 1 and a half hours, and it is easy to decompose under trivalent iron ions.
Definition: The general term for Catechin, acetone, phenolic acids and anthocyanins in tea.
Ingredients: It is a kind of fused ring Aromatic hydrocarbon, which can be divided into flavanols, hydroxy - [4] - flavanols, anthocyanins, flavonoids, flavonols and phenolic acids. Catechin accounts for 60% -80% of the total polyphenols. The content of tea polyphenols in tea is generally between 15% -20%. In each component of tea polyphenols, flavanols are mainly composed of Catechin. The content of Catechin accounts for about 70% of the total amount of tea polyphenols. Tea polyphenols, also known as tea tannins or tea tannins, are one of the main components that form the color, aroma, and flavor of tea leaves. The herbal Qianye IT tea contains abundant tea polyphenols (scientific name Camellia sinensis).
Ordering instructions
【 Packaging Method 】 Large cargo of 25 kilograms per cardboard drum, small sample packaging in aluminum foil bags, each drum has a net weight of 2.5-3KG, a diameter of 36-40CM, and a height of about 50CM. The inner packaging of the drum can also be changed to small packaging according to requirements, making it convenient to use
[Minimum order quantity] 5KG, label according to requirements, if not required, it is generally pasted according to the unified template of the company's internal label 
【 Transportation Method 】 Express delivery or logistics, domestic express delivery arrives within three days and logistics arrives within five days. The quotation generally includes domestic transportation costs
[Quality Terms] We have our own testing report for each batch of goods, and the product quality strictly follows the testing standards. If the content or bacteria test of the received goods do not meet the standards, we can cooperate with our company to return or exchange the goods. However, based on years of export production experience, none of our company's products have experienced such a situation 
【 Storage conditions 】 This product should be sealed and shaded, and stored in a dry, cool, and well ventilated place.