Posted by sunny on August 01, 2005 at 05:13:49:
In Reply to: Re: supply grape skin extracted resveratrol posted by sunny on August 01, 2005 at 05:12:38:
Bio-samin is a 100% natural source Sesamin extracted from Black Sesamin Seed Oil by Organic Herb Inc. Organic Herb Inc. is the first one who bring sesamin into health food field.
Formal Name: [1S-(1„´,3a„´,4„´,6a„´)]-5,5¡¦-(tetrahydro-1H,3Hfuro[3,4-c]furan-1,4-diyl)bis-1,3-benzodioxole
Molecule Formula: C20H18O6
Molecular weight: 354.4
Stability: ƒ¢ years at -20¢XC
Supplied as: A crystalline solid
UV/Vis: max: 235, 286 nm
For long term storage, we suggest that sesamin be stored as supplied at -20¢XC. It will be stable for at least one year.
Sesamin is supplied as a crystalline solid. A stock solution may be made by dissolving the sesamin in an organic
solvent purged with an inert gas. Sesamin is soluble in organic solvents such as ethanol, DMSO, and dimethyl
formamide. The solubility of sesamin in these solvents is 0.5, 12, and 33 mg/ml, respectively. Sesamin will be stable for at least six months in these solvents if stored at -20¢XC.
Sesamin is sparingly soluble in aqueous buffers. Further dilutions of the stock solution into aqueous buffers or
isotonic saline should be made prior to performing biological experiments. For maximum solubility in aqueous
buffers, sesamin should first be dissolved in DMF and then diluted with the aqueous buffer of choice. Sesamin has a solubility of 50 ƒåg/ml in a 1:10 solution of DMF:PBS (pH 7.2) using this method. Store aqueous solutions of sesamin on ice and use within 12 hours of preparation. Although the aqueous solutions of sesamin may be stable for more than 12 hours, we strongly recommend using a fresh preparation each day.
Sesamin is a non-competitive inhibitor of ∆5-desaturase. It inhibits the conversion of dihomo-ƒâ-linolenic acid to
arachidonic acid with a Ki value of 155 ƒåM in rat liver microsomes.
Organic Herb Inc.
Xinsha High Tech Zone, Changsha, Hunan, China.
Tel: +86 731 4060828
Fax: +86 731 4023669
Natural Way to Better Life!
CERTIFICATE OF ANALYSIS
Product and Batch Information
Product Name: Black Sesame Extract Country of Origin: P. R. China
Botanic Name: Sesamum indicum L Type of extraction: Water/ Grain Alcohol
Plant Part: Seed (Dried, 100% Natural) Active Ingredient: sesamin
Batch: BSE90-050321 Manufacture Date March 21, 2005.
Extract Ratio: Approx. 240 to 1 extrtact Analysis Date March 21, 2005.
Ananlysis: 25Kg/ 1 drum Report Date March 21, 2005.
Analysis Item Specification Result Test Method
Assay NLT 90% sesamin 90.15% HPLC
Identification Positive Conforms TLC
Appearance Fine Powder Complies Visual
Color Gray White Complies Visual
Odor Characteristic Complies Organoleptic
Taste Characteristic Conforms Organoleptic
Sieve Analysis 100% pass 80 mesh Complies 80 Mesh Screen
Loss on Drying 5% Max 4.31% 5g / 105C /5hrs
Solubility Insoluble in Water
Soluble in grain Alcohol solution Conforms /Visual
Ash 5% Max 3.62% 2g / 525C / 5hrs
Sulphate 0.5% Max Complies 2g / 525C / 5hrs
Insolubles In Ethanol 10ppm Max 4.2ppm ¡@
Ethanol Resides 0.2% Max Complies ¡@
Arsenic (As) NMT 2ppm Conforms Atomic Absorption
Cadmium(Cd) NMT 1ppm Conforms Atomic Absorption
Lead (Pb) NMT 2ppm Conforms Atomic Absorption
Chlorate (Cl) NMT 1ppm Conforms Atomic Absorption
Phosphate Organics NMT 1ppm Conforms Gas Chromatography
Heavy Metals 10ppm Max Complies Atomic Absorption
Sterilisation Method High Temperature & High Pressure for short time (5¡¨ ¡V 10¡¨)(Free from Gamma Irradiation).
GMO Status GMO Free Conforms /
Pesticides Residues NMT 1ppm Conforms Gas Chromatography
Total Plate Count 1000cfu/g Max 50cfu/g ¡@
P.aeruginosa Absent O.K. ¡@
S. aureus Absent O.K. ¡@
Salmonella Absent O.K. ¡@
Yeast & Mold 50cfu/g Max 10cfu/g ¡@
E.Coli Negative Negative ¡@
Staphylococcus Negative Conforms ¡@
Aflatoxins NMT 0.2ppb Absent HPLC
Salmonella Negative Negative ¡@
Packing and Storage
Packing Pack in paper-drums and two plastic-bags inside.
Storage Store in a well-closed container away from moisture.
Shelf Life 2 years if sealed and store away from direct sun light.
Expiration Date March 20, 2007.
MANUFACTURER ORGANIC HERB INC.
This C of A format refer to 1999 National Nutrition Foods Association -- USA
Analyst QC manager QA Manager
If you are interested in our product ,please contact with me .
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