Xi'an Yuanyu Biological Co., Ltd.
2.Yellow brown fine powder
5.Strict quality control
6.Latin Name: Pausinystalia yohimbe
2.Send you sample from mass product before shipment
3. Release shipment after you confirm the sample
|Yellow brown fine powder|
The birch bark extract is extracted from the bark of birch. The main active ingredient is betulin. It has the functions of anti-inflammatory, anti-virus, inhibiting the dissolution of protein in hair fiber, improving damaged hair and promoting hair growth. It can be applied to food, Cosmetics and pharmaceutical industries
Type:White Birch Extract
Extraction Type:Solvent Extraction
Packaging:Drum, Plastic Container, Vacuum Packed
Place of Origin:Zhejiang, China (Mainland)
Latin Name:Betula platyphylla
Active Ingredients:Betulin/Betulinic acid
Size:100% pass 80 mesh
Specification:Betulin 80%,90%,98% Betulinic acid 50%,90%,95%,98%
Shelf life:2 Years
500g of dry birch (ifeiw / a P IatyphyI la Suk) bark was extracted with 5 times of 80% methanol and refluxed for 3 times. Each time the mixture was refluxed for 60min, the extracts were combined and the methanol was recovered Liquid, into the step-open container placed in the heating volatile methanol, let cool, add I times the amount of water, the precipitation of a large number of precipitates, extract the concentrate by suction; concentrate with 2 times the amount of water transferred into suspension, I times the amount of methylene chloride extraction 3 times, the combined extract, vacuum recovery of methylene chloride concentration, to more difficult to concentrate, placed in an open container heating as much as possible to play Nini methyl chloride, let cool, dry; After 200-300 mesh silica gel column chromatography, first with 1-2 times the amount of hexane as the mobile phase elution, followed by 3-5 times the amount of methylene chloride and methanol 10: 1 elution ratio elution, The eluate was collected, concentrated under reduced pressure at room temperature, and dried to obtain 37. 2 g of the extract of the present invention. The content of lupeol in the inventive extract was 22.18% by HPLC.
Q1: What's the main order for the usual?
For the hight value product min order starts from 1g and generally starts from 10g.
Q2: What's the sample cost?
Generally free sample could be oferred except the high value product.
Q3: What's the package and payment terms?
Our package: in 2 plastic bags, Aluminum foil bag outside, 1-10kg /carton, 10-25kg /drum.
Payment: T/T, L/C, could be through Paypal, Escrow, West Union.