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Product Name: Onion peel extract
Onion peel extract source: Onion Extract is obtained from comminuted Allium fistulosum bulb by extraction with certain solvents.
Onion peel extract introduction：Allium cepa is known only in cultivation,but related wild species occur in Central Asia. The most closely related species include Allium vavilovii (Popov & Vved.) and Allium asarense (R.M. Fritsch & Matin) from Iran. However, Zohary and Hopf warn that "there are doubts whether the vavilovii collections tested represent genuine wild material or only feral derivatives of the crop."
Appearance: Yellow-Brown Powder
Onion peel extract Specification: 10:1, quercetin 2%,5%,20%, HPLC
Active Ingredient: quercetin
Test By: UV
Molecular formula: C15H10O6
Molecular weight: 286.2363
1. Anti-cancer effect.
Onions are rich in flavonoids and selenium.Flavonoids scavenge free radicals
anti-oxidants.Selenium is a powerful anti-oxidant,it can remove the body for a
variety of free radicals,with anti-cancer,anti-aging effect.
2. Lower blood pressure,prevent blood clots.
3. Lowering blood sugar,blood fat.
4. Other. Onion in phytoncide stimulate appetite,help digestion,while anOther expectorant,diuretic,diaphoretic and prevent colds and Other effects.
Onion peel extract Specification
|
Items |
Specifications |
Results |
|
Maker Compounds |
NLT2% Quercetin |
2.62% UV |
|
Organoleptic |
||
|
Taste |
Characteristic |
Conforms |
|
Excipient |
None |
Conforms |
|
Odor |
Characteristic |
Conforms |
|
Drying Method |
High Temperature&Pressure |
Conforms |
|
Appearance |
Fine Powder |
Conforms |
|
extract solvent |
Ethanol & Water |
|
|
Color |
Brown |
Conforms |
|
Physical Characteristics |
||
|
Loss on Drying |
≦5.0% |
4.12% |
|
Ash content |
≦5.0% |
4.61% |
|
Bulk Density |
50-60g/100ml |
51g/100ml |
|
Particle Size |
NLT100%Through 80 mesh |
Conforms |
|
Microbiological Tests |
||
|
Salmonella |
Negative |
Negative |
|
E.Coli |
Negative |
Negative |
|
Total Yeast & Mold |
≤100cfu/g |
Conforms |
|
Total Plate Count |
≤1000cfu/g |
Conforms |
|
Staphylococcus |
Negative |
Negative |
|
Pesticide Residue |
||
|
666 |
<0.2ppm |
Conforms |
|
DDT |
<0.2ppm |
Conforms |
|
Heavy metals |
||
|
Lead |
≤2ppm |
Conforms |
|
Arsenic |
≤2ppm |
Conforms |
|
Total Heavy Metals |
≤20ppm |
Conforms |
