THEAFLAVIN

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Min. Order10MG
Purity≥98% HPLC
Cas No4670-05-7
Supply Ability100kg
Update time2026-04-14

Changsha Staherb Natural Ingredients Co., Ltd.

VIP5Y

China

Chemical Properties

Product Name	THEAFLAVIN
CAS No	4670-05-7
EC-No
Min. Order	10MG
Purity	≥98% HPLC
Supply Ability	100kg
Release date	2026/04/14

E-mail: sales12@staherb.cn
Mobile/whatsapp/wechat:+86-189 7584 2720

Name	THEAFLAVIN
Other Names	THEAFLAVINE;1,8-bis(3-alpha,5,7-trihydroxy-2-alpha-chromanyl)-5h-benzocyclohepten-5-one;5h-benzocyclohepten-5-one,1,8-bis(3-alpha,5,7-trihydroxy-2-alpha-chromanyl)-3,;6-trihydroxy-;Theaflavins;6,8,9-trihChemicalbookydroxy-3,11-bis[(2S,3R)-3,5,7-trihydroxychroman-2-yl]bicyclo[5.4.0]undeca-1,3,6,8,10-pentaen-5-one;3,4,6-Trihydroxy-1,8-bis(3,4-dihydro-3α,5,7-trihydroxy-2H-1-benzopyran-2α-yl)-5H-benzocycloheptene-5-one
Source of plant extraction	Black tea
Colour	Rufous powder
Purity	≥98% HPLC
Cas	4670-05-7
Packaging Specifications	10MG;20MG
EINECS	NA
Molecular Formula	C29H24O12
Formula Weight	564.49

1. Used in the field of dietary supplements.

2. Used in the field of functional food.

3. Used in the field of health care products.

Name	Active Ingredients	Specifiction	Test Method
Bitter Apricot Seed Extract	Amygdain,VB 17	98%,90%,50%,5%	HPLC
Chamomile Extract	Apigenin	0.3-98%	HPLC
Eucommin Leaf Extract	Chlorogenic acid	5-98%	HPLC
Honeysuckle Flower	Chlorogenic acid	5-98%	HPLC
Bayberry Bark Extract	Myricetin	50-98%	HPLC
Vine Tea Extract	Dihydromyricetin	25-98%	HPLC
Banaba Extract	Corosolic acid	1-10%	HPLC
Rhubarb Extract	Emodin	50-98%	HPLC
Sophora japonica extract	Luteolin	5-98%	HPLC
Smoke tree extract	Fisetin	50%-98%	HPLC
Mangosteen Extract	α-Mangostin	10-90%	HPLC
Polygonum cuspidatum P.E	Emodin	50-98%	HPLC
	Polydatin	98%	HPLC
	Resveratrol	98%	HPLC
	CWS-Resveratrol	5%,10%,20%	HPLC
Magnolia Bark Extract	Magnolo	2-98%	HPLC
	Honokiol	2-98%	HPLC
	Honokiol+Magnolol	50%,90%,95%	HPLC
Rosemary Extract	Ursolic acid	20%,25%,30%,50%,90%,98%	HPLC
	Rosemarinic acid	5%,10%,15%,20,90%,98%	HPLC
	Carnosic acid	5%,10%,20%,30%,50%,90%,98%	HPLC
Loquat leaf Extract	corosolic acid	1-20%,98%	HPLC
Loquat leaf Extract	Ursolic acid	20%,25%,30%,50%,90%,98%	HPLC
Olive leaf Extract	Oleuropein	10-80%	HPLC
Olive leaf Extract	Hydroxytyrosol	5-60%	HPLC
Ivy Extract	HederacosideC	1-30%	HPLC
Ivy Extract	Total Hederacosides	1-30%	UV
Maca extract		4:1 10:1 20:1,100:1	TLC
Tongkat Ali P.E	Strawberry powder	4:1 10:1 20:1,100:1	TLC
Ginger extract	Gingerol	1-10%	HPLC
Tomato extract	Lycopene	5%,10%,15%90%,98%	HPLC
Blueberry extract	Proanthoyanidin	5-25 %	HPLC/UV
Hibiscus flowers extract	Anthocyanidin	5-25 %	HPLC/UV
Green tea extract	Polyphenols	50-98%	UV
Haematococcus pluvialis	Astaxanthin	5%,10%,20%，90%，98%	HPLC
Fructus Cnidium	Osmanthus	50%,98%	HPLC
white willow bark P.E	Salicylic acid	15%，25%，90%，98%	HPLC
Mango leaf extract	Mangiferin	5-95%	HPLC
Huperzia serrata P.E.	Huperzine A	1-98%	HPLC

Name: Changsha Staherb Natural Ingredients Co., Ltd

Address: No. 186, Lugu Valley Garden Road, High-tech Development Zone, Changsha, Hunan, P.R. China (410205)

E-mail: sales12@staherb.cn

Mobile/whatsapp/wechat:+86-189 7584 2720

Website: www.staherb.com

Company Profile Introduction

Changsha Staherb Natural Ingredients Co., Ltd., a good supplier of professional herb extracts, especially those with high purity and standardized production process. Our company devotes to supply high quality products and services to customers in R&D and production fields of health products, cosmetics, feed additives and biopesticides. With cordial and professional R&D, sales and after-sales service groups, Staherb has potent capabilities both in R&D and production. The company persists in high investment on R&D of active ingredients of plants and promotes innovation on demands of customers. Upon constant R&D and tracing of new technologies and new products, Staherb makes effective cooperation with famous research institutes, such as CAS Kunming Institute of Botany, State Key Lab of Hunan Forest Products and Chemical Engineering, Hunan Agricultural University and so on. Now the main products of Staherb are standardized high purity plant extracts, including Epimedium (10-98%), Euccomia Bark Extract (5-95%), Amygdalin (50-98%), Ursolic acid (25-98%) and Corosolic acid (1-98%). In order to meet customers’ research needs, our company also provides over 600 plant extracts, most of which are high-purity monomer plant compounds and reference substance. And some products can be supplied with milligram-scale, kilogram-scale or even to ton-scale. In addition, based upon the powerful R&D capability, Staherb can provide both products customization services and R&D outsourcing services according to customers’ specific requirements, so that to meet their continual innovation needs in the fields of natural products’ discovery and production. Staherb endeavors to accelerate the response rate of supply chain as well as improve the service superiority upon customers’ continual innovation needs. It also devotions to establish good partnerships with customers and to construct a safe development model which is forward-looking, reciprocal and coexisting, thus to cre

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THEAFLAVIN

Company Profile Introduction

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