Customization: | Available |
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Certification: | RoHS, BRC, ISO, FDA, HACCP, Organic |
Assay Method: | HPLC, UV, Tlc |
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Product Name: Vine Tea Extract
Botanical Source: Ampelopsis grossedentata W.T.Wang.
Part Used: Leaf
Appearance: White Powder
Specification: Myricetin 80%-98%; Dihydromyricetin 80%-98%
Description:
Vine tea, also known as "Teng Cha", "Tocha", "Rattan tea", "Duan Wu Cha", "Mao Yan Mei" or "Moyeam", is one of a rare plant, its botanical name is ampelopsis grossedentata. "Chinese Herbal Medicine Collection" wrote that the vine tea (Teng Cha ) has a glycol flavor, the nature is cool. It can alleviate fevers, dis-intoxicate, cure rheumatism, strengthen physique, diuresize, and many other functions.
Vine Tea Extract is a gray to white powder derived from vine tea leaf. The vine tea contains rich flavones, amino acids, vitamins and essential trace element, in which the content of dihydromyricetin is especially high.
DHM extracted from vine tea has been shown to have significant anti-inflammatory properties in vitro and in vivo, and it has been recommended as a potential therapeutic agent for inflammatory-related diseases. Other pharmacological properties that have been associated to vine tea and its major component DHM were reviewed by Kou & Chen (2012), who cite reports of anti-bacterial, anti-hypertension, and neuroprotective effects, regulation of plasma lipids and blood glucose, hepatoprotective function, and anti-tumor activity.
Item | Specification | Results | Methods |
Assay (on dry basis) | Dihydromyricetin≥98% | 98.18% | HPLC |
Appearance & Color | Fine off-white to white powder | Conform | GB5492-85 |
Odor & Taste | Characteristic | Conform | GB5492-85 |
Part Used | Leaf | Conform | / |
Extract Solvent | Water &Ethanol | Conform | / |
Mesh Size | 95% Through 80 Mesh | Conform | GB5507-85 |
Moisture | ≤5.0% | 1.24% | GB/T5009.3 |
Ash Content | ≤5.0% | 0..56% | GB/T5009.4 |
Heavy Metals | |||
Total Heavy Metals | ≤10ppm | Conform | AAS |
Arsenic (As) | ≤2ppm | Conform | AAS(GB/T5009.11) |
Lead (Pb) | ≤2ppm | Conform | AAS(GB/T5009.12) |
Cadmium(Cd) | ≤1ppm | Conform | AAS(GB/T5009.15) |
Mercury(Hg) | ≤0.1ppm | Conform | AAS(GB/T5009.17) |
Microbiology | |||
Total Plate Count | ≤10,000cfu/g | Conform | GB/T4789.2 |
Total Yeast & Mold | ≤1,000cfu/g | Conform | GB/T4789.15 |
E. Coli | Negative in 10g | Conform | GB/T4789.3 |
Salmonella | Negative in 25g | Conform | GB/T4789.4 |
Staphylococcus | Negative in 25g | Conform | GB/T4789.10 |
Dihydromyricetin Effects:
3. Anti-inflammation
4. Clearing the free radical in body and antioxidation
5. Antibiotic Action
6. Reducing the levels of blood sugar and blood fat
7. Anti-tumor. The vine tea extract has effective restrain to cell proliferation of some tumor cells.
Dihydromyricetin Application:
1. Functional drinks
2. Capsule and pill
Vine Tea Extract and DHM have shown to be beneficial for food safety purposes (potential natural antimicrobial preservatives) and in packaging applications, but their greater potential application in the food industry may be as food ingredient of novel heathier and clean label products free from synthetic antioxidants. Vine Tea Extract and DHM have successfully reduced oxidation in different oil systems and meat products, as well as reduced the formation of a potential carcinogen (acrylamide) in bread and toxicants (malonaldehyde and advanced glycation end products) in cookies. Despite of their darker color, meat products (cooked mixed pork patties) and baked goods (bread and cookies) enriched with Vine Tea Extract or DHM showed good consumer acceptability and are examples of novel functional foods that could potentially offer positive health benefits, such as prevent metabolic diseases. Moreover, further research on synergetic applications with other natural antioxidants are vital to guide future product development and possibility reduce cost of new formulations.
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