Quercetin

Food Application

FAQ

Q1: What's the difference between herb extract and powder?
A: The extract is a concentrated powder form of raw material. The herb extract's procedure flow is wash, extraction, concentration, purification, drying, grinding, sieving, package. The herb powder is just a powder form of the herb. The procedure flow is wash, drying, grinding, sieving, package.

Q2: What's the extract solvent used in the procedure?
A: The extract solvent is always depending on the active ingredient in the raw material, regulation and customers' requirement. The solvents mostly used for extraction are water and ethanol. Even the solvent other than water used in the procedure, the solvent residue in the extract product also can conform with ICH Q3CR5.

Q3: Is there any other ingredient used in the product?
A: It depends. For product which is hard to be dried, we need to add some maltodextrin into the extraction solution before drying. The maltodextrin we used is food-class carrier, from non-GMO corn. We can share customer with the ingredient composition table.

Q4: How to make sure the quality of the product?
A: Firstly, every batch finish product must be tested and qualified before delivery. We can send a specification sheet or CoA for confirmation. The HPLC chromatography graph also can be provided. Secondly, we can provide pre-ship sample to customer for quality confirmation. 

Q5: Can you develop a new product for us?
A: Yes, we can. We have independent R&D dept, who is able to update the procedure parameters of our main products and develop the procedure of new product. For more information, please contact us directly.

Q6: Can you offer this in capsules or tablets as well?
A: Yes, we have related equipment for preparation of finish product, like tablet, capsule and granule. Kindly contact with us for details.

Q7: What is the MOQ?
A: For most of the products we already have in stock, the MOQ is 1kg. If the product is a new specification and need to be produced from raw material, the MOQ depends.

Q8: Is there any discount?
A: Yes, for larger quantity or better payment period, we can support with better price.

Q9: How about delivery time?
A: For most products, the product can be sent out from factory in 5days. If we don't have inventory, the product need to produced from raw material, the ordinary period is 20-25days.

Q10: How do you treat with quality complaint?
A: We will always be responsible for the quality of our products. If there's a complaint, we will first assist customers to solve the most direct needs.
Secondly, we have SOP for quality complaint. QA will investigate the problem, after that we'll give customer a formal feedback about the cause of the quality issue and related precautions for this problem.

 

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Other recommendation

Product		Specification
Core Products	Black Ginger Extract	5,7-Dimethoxyflavone: 1-20%
	Maca Extract	Glucosinolate 0.5-2%; Total amino acid> 4%
	Tongkat Ali Extract	Eurycomanone 0.3-2%; Ratio Extract; Powder
	Black Garlic Extract	SAC 0.1-4%; Polyphenol 1-3%
	Rhodiola Rosea Extract	Rosavins 3%-5%, Rhodioside 1-2%
	Ginkgo Biloba Extract	USP42/EP10.0/CP2020, water soluble available
	Mulberry Leaf Extract	Rutin>0. 1%; Total Flavone >0. 1-3%; DNJ 0.8%/HPLC; DNJ 1%/HPLC
	Saffron Extract	Safranal 0.3%
	Sakura Extract	1- O-caaffeyl -β -d-glucopyranoside 2%, Quercetin -3-O-β -D-glucopyranoside 0.1%
	Schisandra Berry Extract	Schisandrins 2-10%;  Schisandrin A 1-4%; Schisandrin B 0.5-2%
Ginseng Series	American Ginseng Extract	Ginsenosides 1-70% HPLC; Ginsenosides 1-70% UV; Polysaccharides 20%
	Panax Ginseng Extract	Ginsenosides 1-60% HPLC; Ginsenosides 1-80% UV; Polysaccharides 20%
	Black Ginseng Extract	Ginsenosides 1-60% HPLC; Ginsenosides 1-80% UV; Polysaccharides 20%
	CLEAN-GINSENG®	Ginsenosides 4% HPLC, Solubility (20℃): ++
	Korean Red Ginseng Extract	Ginsenosides 1-60% HPLC; 1-60% UV
	Notoginseng (Tienchi) Extract	Ginsenosides 1-80% HPLC
	Siberian Ginseng Extract	Total rare ginsenosides>20% HPLC (Rk2+ (S)-Rg3+ (R)-Rg3+ (S)-Rh2+ (R)-Rh2+ Rg5+ Rk1+Rk3+ (S)-Rh1+ (R)-Rh1+ Rh3+ Rh4 + (S)-aPPT+ (R)-aPPT+ (S)-aPPD+ (R)-aPPD)
	Rare Ginsenosides	Eleutherosides (B+E) 0.8-1.2%
Mushroom Series	Chaga Mushroom Extract	Polysaccharides 30%; Triterpene 1-10%
	Lion's Mane Mushroom Extract	β-Glucan 1-10%; Polysaccharides 30%
	Reishi Mushroom Extract	β-Glucan 1-10%; Polysaccharides 30%; Triterpene 1-30%
	Maitake Mushroom Extract	Polysaccharides 30%
	Shiitake Mushroom Extract	Polysaccharides 30%
	Cordyceps Militaris Powder	β-Glucan 1-10%; Polysaccharides 30%
Organic Products	Organic Apple Cider Vinegar Powder	Total Acid 5%
	Organic Blueberry Extract	Ratio Extract
	Organic Craneberry Extract	Ratio Extract ; Proanthocyanidin 30%
	Organic Elderberry Extract	25% Polyphenol; Extract Ratio: 4: 1 & 5: 1; Anthocyanins4-30%; Flavone 5%;
	Organic Turmeric Extract	Ratio Extract
Fruit Powder	Acai SD Powder	4:1
	Acerola Cherry Extract	VC 16-18%; SD Powder
	Aronia Extract	Anthocyanins 5-15%; SD Powder
	Black Currant Extract	Anthocyanins 5-35% HPLC; SD Powder
Instant Tea Powder	Organic Matcha Powder	D60 500 Mesh
	Kombucha	Freeze-dried Powder
	TF-Roberts® Black Tea Extract	Theaflavins≥5%, Caffeine≤6%
	Instant Tea PowderLion's mane extract	Instant Powder, Polyphenol>20%
	L-Theanine	20-40% HPLC, Nature origin

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