Hunan Zhengdi Biological Resources Development Co., Ltd.

resveratrol bulk powder from polygonum cuspidatum root extract resveratrol

Basic Information
Specifications gmp resveratrol

5%-98%

White powder

GMPmanufacturer

  Product Description product name: gmp resveratrol Polygonum cuspidatum spec:98% appearance:brown yellow powder usage:comesmetic/food/medical GMP certificated suppply:Hunan zhengdi    

Analysis Items

Specifications

Results

Test Methods

Identification

Positive

Conforms

UV/HPLC/TLC

Appearance

Brown yellow powder

Conforms

Visual

Odor

Characteristic

Conforms

Organoleptic

Taste

Characteristic

Conforms

Organoleptic

Mesh Size

NLT 95% through 80 mesh

Conforms

80 Mesh Screen

Solubility

Partially soluble in water and Alcohol

Conforms

Visual

Method of Extraction

Hydro-alcoholic

Conforms

/

Extract Solvent

50% Grain Alcohol and Water (v/v)

Conforms

/

Moisture Content (5g)

NMT 1.0%

0.42%

5g / 105C / 2hrs

Ash Content (2g)

NMT 1.0%

0.14%

2g / 525C / 3hrs

Heavy Metals

NMT 10ppm

Conforms

Atomic Absorption

Arsenic (As)

NMT 2ppm

Conforms

Atomic Absorption

Cadmium(Cd)

NMT 0.1ppm

Conforms

Atomic Absorption

Lead (Pb)

NMT 2ppm

Conforms

Atomic Absorption

Mercury (Hg)

NMT 0.1ppm

Conforms

Atomic Absorption

Phosphate Organics

NMT 1ppm

Conforms

Gas Chromatography

Organics Residues

NMT 1ppm

Conforms

Gas Chromatography

Pesticides Residues

NMT 1ppm

Conforms

Gas Chromatography

Solvent Residues

NMT 0.01%

Absent

Gas Chromatography

    Our Services Trade Terms: (1)Payment: T/T,western union,alibaba escrow
(2)Production lead time: within 7 business days after your final confirmation.
(3)Shipping methods: by air, by sea, by courier DHL,EMS,TNT,etc
(4)Port: Beijing, Tianjin, Shanghai, Shenzhen, Changsha etc (5)CIF destination port: all over the world's main airport/seaport.    Company Information Hunan Zhengdi Biological Resources Development Co.,Ltd. concentrates on the high-efficient comprehensive development of plant resources and their deep-processing products. We are a manufacturer, a high-tech enterprise with enormous experience in research and development, as well as abundant plant resources.
Relying on a product development team with pharmaceutical research and development background, we are committed to technological innovation and process improvement. Owning numerous patents and technologies of completely independent intellectual property rights in extraction and separation equipments and production technology, we can provide high-quality natural plant extract as raw materials and professional technical support for environmentally friendly final product development, for both domestic and foreign customers    
Supplier Information
Hunan Zhengdi Biological Resources Development Co., Ltd.
[ Hunan China ]
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