Complaint
Product Details
What is Green tea extract catechins?
Catechins is extracted from Green tea. Green tea contains polyphenols, including flavanols, flavanols, flavanols and phenolic acids. These compounds can account for up to 30% of dry weight. Most green tea polyphenols are flavonols, commonly known as catechins.
Catechin has many pharmacological effects, such as anti-tumor, anti-oxidation, anti-bacteria and protecting heart and brain organs.
Currently, no side effects of this product have been documented in humans.
The product is packed in 25kg fiber drum. Or package according to customer requirement.
Delivery:Sea/Air Shipping & International Express DHL/Fedex.
It should be stored in its original packing or in a suitable sealed container and kept in a clean and dry place. Storage conditions should preferably be a sheltered environment with limited temperature variations and low humidity levels. Direct contact with water or any other liquid will result in product caking.
We controls product quality from the source, the establishment of a raw material base from seed, growth environment, field management, harvesting, packaging, transportation and personal management. We have our own green tea plant base. Weeding by hand, no pesticides or herbicides used.
Q1. Why choose the products of HN langyue Biotech Co.,Ltd?
A: Sample -- Own lab testing and accept customized.
Small order -- Pay much attention and best service.
Large order -- Competitive price and fast delivery.
Q2:Can I get a sample?
A: Of course. For most products we can provide a free sample, while the shipping cost should undertake by your side.
Q3:What's your MOQ?
A:Mostly MOQ is 1kg, but we also accept less quantity like 100g on the condition that a sample charge is 100% paid.
Q4:Do you accept VISA business credit card ?
A:Sorry we don't accept VISA credit card,we'd like to accept T/T, Western Union.
Q5: What's your delivery time?
A:We will make delivery within 3 to 5 working days after payment confirmed.
Q6:How long does it take to the goods arrived ?
A:It is Depending on your location,
For small order, please expect 5-7 days by DHL,TNT, FEDEX.
For mass order, please allow 5-8 days by Air, 20-35 days by Sea.
Q7:How do you treat quality complaint?
A:First of all, our QC department will do strict examination of our export products by HPLC, UV, GC , TLC and so on in order to reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q8How to place an order?
A:Only email/call us with your inquiry, we could help step by step. Don't worry.
Quality Control
We have advanced precision instruments and equipment ,so we can independently control product content, pesticide residue, physical and chemical properties, microorganisms, heavy metals and other quality indicators. Our goal is zero complaints.
| Product Name | Specification and can be Custom-made |
| White Peony Extract | Paeoniflorin 10%, 20%, 50%, 98% HPLC |
| White Willow Bark Extract | Salicin 15%, 25%, 30%, 50%, 80%, 98% HPLC |
| Milk Thistle Extract | Silymarin by acetone 80% UV Silybin+isosilybin 30%/ silybin 30% HPLC Silymarin by ethylacetate 80% UV, 40% HPLC Silymarin by ethanol 70%, 80% UV Water soluble silymarin 20%, 40%, 45% UV Silybin 80%~97% HPLC |
| Red Yeast Rice Powder | Moncolin K 0.4%~3.0% HPLC |
| Epimedium Extract | Icarrin 5%, 10%, 20%, 40% HPLC Flavonoids 10%, 20%, 30% UV |
| Bilberry Extract | Anthocyanidins 25% UV Anthocyanin(Anthocyanosides) 36% HPLC |
| Kudzu Root Extract | Pueraria Isoflavones 40%~98% HPLC/UV Puerarin 15%~99% HPLC |
| Siberian Ginseng Extract | Eleutherosides B and E 0.8%, 1.5%, 2% HPLC |
| Rhodiola Rosea Extract | Rosavins 1%, 2%, 3%, 4%, 5% HPLC Salidrosides 1%, 3%, 5%, 10% HPLC |
| Natural Trans Resveratrol | 50%, 98% HPLC |
| Hyaluronic acid | Cosmetic, food-grade, pharmaceutical grade. |
| Gynostemma Extract | Gypenosides 20%-98% UV |
| Citrus Aurantium Extract | Synephrine 6%, 30%, 60%, 95%, 98% HPLC |
| Astragalus Root Extract | Polysaccharide 20%, 40% UV Astragaloside IV 1%, 5%, 10%, 20% HPLC |
| Marigold Extract Lutein | Lutein 2%~95% HPLC/UV |
| Panax Ginseng Extract | Ginsenosides(Leaf) 80%, 90% UV Ginsenosides(Berry) 80% UV Ginsenosides(Flower) 80% UV Ginsenosides(Roots) 2~30% HPLC/UV Amylose Extract 20% polysaccharide UV |
| Pomegranate peel extract | 30% 40% 50% Polyphenols 40% ellagic acid HPLC |
| Tribulus Terrestris Extract | Saponins 40%, 50%, 60%, 70%, 90%, 95% UV |
| Bitter Apricot Seed Extract | Amygdalin 5%, 10%, 20%, 50%, 98% HPLC |
| Schisandra Chinensis Extract | Schizandrins 1%~9% HPLC Schizandrin A/B 1% Schizandrol A 2%~4% |
| Echinacea Purpurea Extract | Polyphenol 4% UV Chicoric acid 1%~4% HPLC |
| Reishi Mushroom Extract | Polysaccharide 10%, 20%, 30% UV |
| Shikimic Acid | 98% HPLC |
| Chinese Wolfberry Extract | Polysaccharide 10%, 20%, 40% UV |
| Garlic Extract | Allicin 1%, 2%, 3%, 5% HPLC |
| Alpha Lipoic Acid | USP |
| Grape Seed Extract | Proanthocyandins 95% UV Polyphenols 80%, 85%, 90% UV Oligomeric Proanthocyandins 15%, 20%, 30%, 40% UV |
| Ginger extract | 3:1, 5% Gingerols HPLC |
| Arbutin | 99.5% HPLC |
| α - arbutin | 99% HPLC |
| Gamma-Aminobutyric Acid(GABA) | 20% 98% HPLC |
| Rosemary extract | Carnosic Acid 5%~90% HPLC |
| Rosmarinic Acid 1%~20% HPLC | |
| Mulberry leaf extract | 1-Deoxynojirimycin(DNJ) 1%~20% HPLC |
| Fenugreek extract | 4-Hydroxyisoleucine 1%~40% HPLC |
| Furostanol Saponins 50%,70% UV | |
| Fenugreek Total Saponins 50% UV | |
| Quercetin | Dihydrate, Anhydrous, Granule, High Density, USP40 |
| Panax Notoginseng Extract | Notoginseng Total Saponins 75% HPLC(Ginsenoside Rb1 30% min, Ginsenoside Rg1 25% min, Notoginsenoside R1 5% min, Ginsenoside Re 2.5% min, Ginsenoside Rd 5% min) |
| Rg1 40% 50% HPLC | |
| IVY Leaf Extract | 1%~10% Hederacoside C HPLC |
| Valerian extract | 5:1 |
| White Kidney Bean Extract | 5:1 10:1 Inhibitory Activity≥1000U/g |
| Pearl Powder | Food and Cosmetic grade, water-soluble |
| Apple cider vinegar powder | 5% 6% 8% Total acid |
| Citrus Lemon Extract | 20%,40% Total Flavonoids UV |
| Green tea extract | 40%~98% tea polyphenols UV, EGCG, Catechins |
| Vine tea extract | 50% 90% 98% Dihydromyricetin HPLC |
| Chamomile extract | 10:1 |
| flaxseed extract | 20% 40% 50% 60% Lignans(SDG) HPLC |
| Cinnamon extract | 10% 20% 30% 40% Polyphenols UV |
| Pine bark extract | Polyphenols 80% UV 95% Proanthocyanidins |
| Peanut skin extract | Polyphenols 80% UV 95% Proanthocyanidins |
| Olive leaf extract | Oleuropein 10% 20% 40% HPLC |
| Golden Rod extract | Total Flavonoids 10% 20% |
