Flavonoids – Certificate of Analysis (COA) | China | Manufacturer | Lianyungang Kaiyu Environmental Tech Co., Ltd.

Price	$1200	$1150	$1100
Package	1ton	10ton	27ton

Product Details

Product Name: Flavonoids	CAS No.: 29782-68-1
EC-No.: 208-383-8	Min. Order: 1ton
Purity: 99%	Supply Ability: 1000T/M
Release date: 2025/10/21

Technical Data Sheet (TDS)

Product Name: Flavonoids Extract
Grade: Food & Industrial
CAS No.: 29782-68-1

Molecular Formula: C15H10O6
Appearance: Yellow to orange powder
Odor & Taste: Characteristic

1. Product Description

Flavonoids are natural polyphenolic compounds widely found in plants, known for their antioxidant, anti-inflammatory, and colorant properties.

Food grade: Suitable for dietary supplements, functional foods, beverages, and nutraceutical applications.
Industrial grade: Suitable for cosmetic formulations, feed additives, and natural colorants.

2. Technical Specifications

Index	Specification	Method
Appearance	Yellow to orange powder	Visual
Odor & Taste	Characteristic	Organoleptic
Mesh Size	≥80% through 80 mesh	Sieve analysis
Moisture	≤5%	Loss on drying
Ash	≤2%	Gravimetric
Flavonoid Content (as Quercetin)	≥95%	HPLC / UV
pH (10% solution)	5.0 – 7.0	pH meter
Heavy Metals	≤10 ppm	ICP-MS
Lead (Pb)	≤1 ppm	ICP-MS
Arsenic (As)	≤1 ppm	ICP-MS
Cadmium (Cd)	≤0.5 ppm	ICP-MS
Mercury (Hg)	≤0.1 ppm	ICP-MS
Total Plate Count	≤1000 CFU/g	Plate count method
Yeast & Mold	≤100 CFU/g	Plate count method
E. coli	Negative	ISO 9308-1
Salmonella	Negative	ISO 6579

3. Physical & Chemical Properties

Solubility: Slightly soluble in water; soluble in ethanol and DMSO.

Color: Yellow to orange powder.

Odor & Taste: Characteristic, slightly bitter.

Stability: Stable under dry, cool storage; sensitive to light and high temperatures.

4. Applications

Food Grade:

Dietary supplements, capsules, tablets

Functional beverages

Natural colorants and antioxidants

Industrial Grade:

Cosmetic formulations (creams, lotions)

Feed additives for animals

Natural dyes in textiles and coatings

5. Storage & Handling

Store in a cool, dry place, away from direct sunlight and moisture.

Shelf life: 24 months from manufacture date when stored properly.

Use appropriate PPE during handling (mask, gloves).

6. Packaging

25 kg fiber drum with double PE liner (customizable per request)

Other packaging options: 5 kg, 10 kg, 50 kg drums or cartons

If you need other products, please click the website below to make a selection.

http://www.khonorchem.com

Company Profile Introduction

Been striving in the field of chemicals for more than 15 years, Jiangsu Khonor Chemicals Co., Limited has became a professional supplier of various kinds of chemicals. With a motto of being professional, efficient and competitive, KHONOR establish solid cooperation and gain great support from leading manufacturers in different fields, including food additives, feed additives, water treatment chemicals, fertilizers, basic chemicals and speciaty chemicals etc. Our one-stop service offers clients the convenience of assembling a wide variety of food additives, feed additives, water treatment and industrial chemicals all in one go, ensuring reliable sourcing, compliance, and efficient delivery. By combining the expertise of our technical team with a robust supply network, we can help companies achieve consistency and quality across their product formulations.

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Flavonoids NEW