Shaanxi LonierHerb Bio-Technology Co., Ltd is one of the most professional manufacturers and suppliers of yellow dock root extract in China, featured by quality products and good price. Please rest assured to wholesale bulk natural yellow dock root extract for sale here from our factory. Contact us for free sample.
Product Information
Yellow Dock Root Extract, also known as Crispus Dock Extract, Rumex Crispus Extract, which is processed from the root of the herb rumex crispus as raw materials. It mainly contains anthraquinones, flavonoids and polysaccharides, the anthraquinone component emodin is one of the important medicinal ingredients. It has the effects of clearing heat and cooling blood, resolving phlegm and relieving cough, laxative and insecticide.
Lonierherb Our products are semi-finished raw materials that need further processing, and we do not recommend direct personal use. Please follow your doctor's instructions or formula for the specific dosage or usage.
This herb mainly grows near farmland, valley terraces, shrub margins, grass beaches, and is usually used as root as medicine, but its stems and leaves are also very valuable. External application of the whole herb can cure skin diseases, and the infusion can be used as pesticides; the leaves also can be used as feed, with detoxification, laxative, and insecticidal effects.
Our Product Advantage
1) Pure natural extraction from herb rumex crispus , Non-chemical synthetic products.
2) Uniform color, less impurities, lower heavy metal.
3) During the production,Only 100% water are used as extract solvent, which guarantee the safety of our products.
4) Full product specifications and custom made for you.
5) Sufficient inventory to ensure delivery time.
Product Pictures


Technical Data Sheet
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Product Information |
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Product Name |
Yellow Dock Root Extract Powder |
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Botanical Name |
Rumex crispus L |
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Used Part |
Root |
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Test Items |
Specifications |
Test Methods |
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Extract Ratio |
10:1 |
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Appearance |
Brown Yellow Fine Powder |
Visual |
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Odor and Taste |
Characteristic |
Organoleptic |
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Sieve analysis |
90% through 80 mesh |
80 Mesh Screen |
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Loss on Drying |
≤5.0 % |
105℃/2 hrs |
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Total Ash |
≤5.0 % |
GB 5009.4-2016 |
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Bulk Density |
40~60g/100mL |
GB/T 18798.5 |
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Tap Density |
50~80g/100mL |
GB/T 18798.5 |
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Lead (Pb) |
∠3.0mg/kg |
ICP-MS |
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Arsenic (As) |
∠2.0mg/kg |
ICP-MS |
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Cadmium (Cd) |
∠1.0mg/kg |
ICP-MS |
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Mercury (Hg) |
∠0.1mg/kg |
ICP-MS |
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Total Aerobic Count |
≤1000cfu/g |
GB 4789.2 |
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Yeast and Moulds |
≤100cfu/g |
GB 4789.15 |
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E-Coli |
Negative |
GB 4789.3 |
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Salmonella |
Negative |
GB 4789.4 |
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Staphylococcus Aureus |
Negative |
GB 4789.10 |
Description of Manufacturing Processes
★ Raw materials reception
The raw materials are sampled and Identified according to the procedure in the QC dept.
★ Grinding
After passed by the QC dept., the computing system releases the batch , which is then ground into a size suitable for the subsequent process
★ Extraction
Extraction process in stainless steel tank for 3 times according to process requirements,full computer control.
★ Spray Drying
The concentrated liquids are dried at reduced pressure, then get the powder form.
★ Sieving
The product is sieved according to the process requirements
★ Packaging
The final product is packed inside double plastic bags with plastic strap, then put into a drum.
Main Function
1) It has obvious cough relieving and expectorant effects.
2) It has different degrees of inhibitory effect on bacteria.
3) It has anti-tumor effect
4) It has a good antihypertensive effect on hypertension.
The reasonable transportation and package for your reference

Test Report by famous laboratory

Our Exhibition
LonierHerb often participate in some international food and health products exhibitions, and hope to have the opportunity to see you at our exhibitions in the future.

Welcome to Chinese Factory of Yellow Dock Extract
LonierHerb Ltd is a professional manufacturer of plant health products, our main products are Herb Extract Powder, Fruit Juice Powder, Vegetable Natural Powder and others, more than 200 Kinds for our old and new clients.Every month we can supply 5~10tons goods. 1500 M2 modern factory, independent laboratory, GMP standard guarantee each batch goods are qualified and complied.

Kindly Send email to info@lonierherb.com , or submit your requirement in bottom form, we are at service at 18hours !
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