【药名】大黄素

【英文名称】Emodin

【别名】朱砂莲甲素

【化学名】1'3'8-三羟基-6-甲基蒽醌

【分子式】C15H10O5

【分子量】270.23

【CAS号】518-82-1

【来源】为蓼科植物虎杖的干燥根茎和根。掌叶大黄的根茎。

【规格】50%，80%，98%HPLC

【物理性质】橙黄色长针状结晶(丙酮中结晶为橙色,甲醇中结晶为黄色)，熔点256℃～257℃。具有蒽醌的特殊反应。几乎不溶于水，溶于乙醇及碱溶液。

【*】大黄素可用作*，虽有*活性，但由于体内易被氧化破坏，实际上*作用很弱，如与糖结合成苷类，则可发挥*作用。

1.*

2.抗微生物生长作用

3.*作用

4.*、*作用

5.对*的作用

6.*作用

7.对组胺的作用

8.*作用

  Giant Knot* Extract, Emodin

Key Specifications/Special Features:

• Spec: 10%~50% emodin
• Latin Name:  Polygonum cuspidatum Sieb. et Zucc.
• Used part: Root
• Appearance:yellow  powder
• Odor/taste: characteristic
• Loss on drying: ≤5.0%
• Sieve analysis: pass 80 meshes
• Bulk density: 45 to 55g/100mL
• Extract solvent: alcohol and water
• Heavy metal: <20ppm
• As: <2ppm
• Residual solvents: Eur.Pharm.2000
• Microbiology:Store in cool and dry place, keep away from strong light/heat

            Total plate count: <1,000cfu/g

            Yeast and mold: <100cfu/g

            Escherichia coli: negative

•           Salmonella: negative
•  
• Shelf lifespan: 2 years when properly stored

• Payment Terms:
•  L/C, T/T, D/P, D/A, Western Union or MoneyGram
• Minimum Order:
•  1 to 99 Kilogram

• Lead Time:

             3~5 days

Function:

• preventing cancer,especially breast cancer,prostate cancer,endometrial cancer and ovary

  cancer,due to its estrogen role.

• Antioxidation,delaying aging,preventing osteoporosis,acn(whelk) and dementia in the elderly

• Owning good efficacy for treatment of *