Antioxidant Grape Seed Extract

Product Description

Specifications: Polyphenols 95%
Proanthocyanidins OPC 95%, 98%

The major functional composition in grape is grape polyphenol including proanthocyanidins. Besides, there are some other ingredients, like glucose, fructose, sucrose, xylose, tartaric acid, oxalic acid, citric acid, malic acid and singlAbstract:
CAS No.: 84929-27-1
Botanical Source: Vitis vinifera L.
Part Used: Seed
Appearance: Red-brown fine powder
Specifications: Polyphenols 95%
Proanthocyanidins OPC 95%, 98%

Main Chemical Composition of Grape Seed Extract

The major functional composition in grape is grape polyphenol including proanthocyanidins. Besides, there are some other ingredients, like glucose, fructose, sucrose, xylose, tartaric acid, oxalic acid, citric acid, malic acid and single glucoside & glucobioside of all kinds of anthocyanidin.

Polyphenols


There are mainly 4 kinds of polyphenol substances in grape: Tannin, anthocyanidin, phenolic acid and flavonoids. The vital polyphenols in grape is the same kind as flavonoids type, including flavane-3, 4-diol, flavonoids tannin, flavonoids, flavonol, flavanol, chalcone and anthocyadin, etc. Anthocyanidins in grape are mainly as anthocyanin, methyle anthocyanin, petunidin, malvin and dephinidin, existing in common by dimmer or bigger molecule. The composition of flavonol kind in grape is major for quercetin in ordinary form. Proanthocyanidins are major ingredients in grape seed & grape skin, also the most kind in polyphenol content, mainly existing by dimer or polymer form.
E glucoside & glucobioside of all kinds of anthocyanidin.

CERTIFICATE OF ANALYSIS
			Report Date		:	2-Mar-14
			Expiry Date		:	24-Feb-16
			Manufacture Date		:	25-Feb-14
Product Name		Grape Seed Extract	Batch Number		GSE-140225
Botanical Source		Vitis vinifera L	Batch Quantity		200kgs
Plant Part Used		Seed,100% Natural	Country of Origin		China
Type of Products		Standard Extract	Active Ingredient  markers		Polyphenols, Proanthocyanidins
Analysis Items		Specifications	Results		Methods used
Identification		Positive	Conforms		TLC
Appearance		Fine Reddish Brown Powder	Conforms		Visual test
Odor & Taste		Characteristic	Conforms		Organoleptic test
Bulk Density		45-55g/100ml	Conforms		ASTM D1895B
Particle Size		100% through 80 Mesh	Conforms		AOAC 973.03
Solubility		Good Soluble in  Water	Conforms		Visual
Assay		NLT 90% Polyphenols	92.25%		UV
Loss on Drying		NMT 5.0%	3.27%		5g /105c /2hrs
Ash Content		NMT 5.0%	3.45%		2g /525c /3hrs
Extract Solvents		Ethanol & Water	Conforms		/
Solvent Residues		NMT 0.05%	Conforms		GC
Excipients		None	Conforms		/
Heavy Metals		NMT 10ppm	Conforms		Atomic Absorption
Arsenic (As)		NMT 2ppm	Conforms		Atomic Absorption
Lead (Pb)		NMT 0.5ppm	Conforms		Atomic Absorption
Cadmium (Cd)		NMT 0.05ppm	Conforms		Atomic Absorption
Mercury(Hg)		Not Detected	Conforms		Atomic Absorption
666		NMT 0.1ppm	Conforms		USP-GC
DDT		NMT 0.1ppm	Conforms		USP-GC
Acephate		NMT 0.1ppm	Conforms		USP-GC
Methamidophos		NMT 0.2ppm	Conforms		USP-GC
Parathion-ethyl		NMT 0.2ppm	Conforms		USP-GC
PCNB		NMT 10ppb	Conforms		USP-GC
		NMT 0.2ppb	Absent		USP-HPLC
Sterilization Method		High temperature & pressure for a short time of 5-10 seconds
Microbiological Data		Total Plate Count < 1000cfu/g	< 1,000 cfu/g		GB 4789.2
		Total Yeast & Mold < 100cfu/g	< 100 cfu/g		GB 4789.15
		E. Coli to be absent	Absent		GB 4789.3
		Staphylococcus to be absent	Absent		GB 4789.10
		Salmonella to be absent	Absent		GB 4789.4
Packing and Storage		Packed in fiber drum, LDPE bag inside. Net weight: 25kgs/drum.
		Keep tightly sealed, store away from moisture, strong heat and sunlight.
Shelf Life		2 years if sealed and stored in the recommended conditions.
Inspector:			Supervisor:
	Manufacturer:     KINGHERBS  LIMITED