紫云英苷 | 480-10-4

• 物质功能分类: 生物化工 - 提取物
• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 黄酮类化合物
• 中文名称: 紫云英苷
• 中文别名: 黄芪苷紫云英甙莰非醇-3-O-葡萄糖苷山柰酚-3-葡萄糖苷百蕊草素Ⅱ；紫云英甙；山奈酚-3-葡萄糖苷；莰非醇-3-O-葡糖苷；紫芸英苷；黄芪苷；黄芪苷、莰非醇-3-O-葡萄糖苷、山柰酚-3-葡萄糖苷、百蕊草素Ⅱ；黄芪苷；紫云英甙；莰非醇-3-O-葡萄糖苷；山柰酚-3-葡萄糖苷；百蕊草素Ⅱ
• 英文名称: astragalin
• 英文别名: kaempferol 3-O-glucoside；kaempferol 3-O-β-d-glucopyranoside；kaempferol-3-glucoside；kaempferol-3-O-β-D-glucoside；astragaline；kaempferol 3-O-β-glucopyranoside；kaempferol 3-β-D-glucoside；kaempferol 3-O-β-glucoside；kaempferol-3-β-glucoside；kaempferol-3-O-glucopyranoside；kaempferol 3‐glucoside；5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one
• CAS: 480-10-4
• 化学式: C₂₁H₂₀O₁₁
• mdl: MFCD00075932
• 分子量: 448.383
• InChiKey: JPUKWEQWGBDDQB-QSOFNFLRSA-N

物化性质

• 熔点：
  223-229°C
• 沸点：
  823.2±65.0 °C(Predicted)
• 密度：
  1.79±0.1 g/cm3(Predicted)
• 溶解度：
  DMF：30mg/mL； DMSO：30mg/mL； DMSO:PBS (pH 7.2) (1:6)：0.14 mg/mL
• LogP：
  1.950 (est)
• 物理描述：
  Solid

计算性质

• 辛醇/水分配系数(LogP)：
  0.7
• 重原子数：
  32
• 可旋转键数：
  4
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.285
• 拓扑面积：
  186
• 氢给体数：
  7
• 氢受体数：
  11

安全信息

• WGK Germany：
  3
• RTECS号：
  DJ3080000
• 海关编码：
  29389090
• 安全说明：
  S22
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335
• 储存条件：
  `-20°C`

SDS

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SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name : Kaempferol 3-glucoside
REACH No. : A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
CAS-No. : 480-10-4
Relevant identified uses of the substance or mixture and uses advised against
Identified uses : Laboratory chemicals, Manufacture of substances

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SECTION 2: Hazards identification
Classification of the substance or mixture
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Label elements
The product does not need to be labelled in accordance with EC directives or respective national laws.
Other hazards - none

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SECTION 3: Composition/information on ingredients
Substances
Formula : C21H20O11
Molecular Weight : 448,38 g/mol
CAS-No. : 480-10-4
No components need to be disclosed according to the applicable regulations.

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SECTION 4: First aid measures
Description of first aid measures
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
In case of skin contact
Wash off with soap and plenty of water.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
no data available

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SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

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SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Avoid dust formation. Avoid breathing vapours, mist or gas.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Sweep up and shovel. Keep in suitable, closed containers for disposal.
Reference to other sections
For disposal see section 13.

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SECTION 7: Handling and storage
Precautions for safe handling
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Recommended storage temperature: -20 °C
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

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SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
General industrial hygiene practice.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards
such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Material tested:Dermatril® (KCL 740 / Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Material tested:Dermatril® (KCL 740 / Z677272, Size M)
data source: KCL GmbH, D-36124 Eichenzell, phone [phone], test method: EN374
If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
contact the supplier of the CE approved gloves. This recommendation is advisory only and must
be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
anticipated use by our customers. It should not be construed as offering an approval for any
specific use scenario.
Body Protection
Choose body protection in relation to its type, to the concentration and amount of dangerous
substances, and to the specific work-place., The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.

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SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) Appearance Form: crystalline
Colour: light yellow, white
b) Odour odourless
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing 312,58 °C
point
f) Initial boiling point and no data available
boiling range
g) Flash point no data available
h) Evapouration rate no data available
i) Flammability (solid, gas) no data available
j) Upper/lower no data available
flammability or
explosive limits
k) Vapour pressure no data available
l) Vapour density no data available
m) Relative density no data available
n) Water solubility no data available
o) Partition coefficient: n- no data available
octanol/water
p) Auto-ignition no data available
temperature
q) Decomposition no data available
temperature
r) Viscosity no data available
s) Explosive properties no data available
t) Oxidizing properties no data available
Other safety information
no data available

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SECTION 10: Stability and reactivity
Reactivity
no data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available
In the event of fire: see section 5

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SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitisation
no data available
Germ cell mutagenicity
no data available
Ames test
S. typhimurium
Result: negative
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Additional Information
RTECS: DJ3080000
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

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SECTION 12: Ecological information
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
Other adverse effects
no data available

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SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contaminated packaging
Dispose of as unused product.

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SECTION 14: Transport information
UN number
ADR/RID: - IMDG: - IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport hazard class(es)
ADR/RID: - IMDG: - IATA: -
Packaging group
ADR/RID: - IMDG: - IATA: -
Environmental hazards
ADR/RID: no IMDG Marine pollutant: no IATA: no
Special precautions for user
no data available

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SECTION 15: Regulatory information
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
Chemical Safety Assessment
For this product a chemical safety assessment was not carried out

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SECTION 16: Other information
Further information
Copyright 2014 Co. LLC. License granted to make unlimited paper copies for internal use
only.
The above information is believed to be correct but does not purport to be all inclusive and shall be
used only as a guide. The information in this document is based on the present state of our knowledge
and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Corporation and its Affiliates shall not be held
liable for any damage resulting from handling or from contact with the above product. See
and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

制备方法与用途

根据您提供的信息，总结了紫云英苷的相关性质、提取与合成方法以及相关的参考资料。以下是对这些内容的详细概述：

化学性质和来源

• 化学性质：易溶于DMSO（二甲基亚砜）、甲醇和氯仿的混合溶剂，可溶于热甲醇，不溶于石油醚。
• 来源：主要来源于百蕊草。

提取方法

1. 超声波辅助提取荷叶紫云英苷的方法
   • 条件优化结果表明，在低频超声波（25.5 kHz）、20分钟的提取时间、55℃的温度下，使用体积分数70%乙醇作为提取溶剂时，能获得较好的提取效果。该条件下荷叶紫云英苷的提取率为1.67%。

合成方法

一种酶促合成紫云英苷的方法包括以下步骤：

1. 克隆、表达和纯化在合成途经中所需关键酶：糖原磷酸化酶GP、葡萄糖焦磷酸化酶GalU、黄烷酮-3-羟化酶F3H、黄烷酮合酶FLS1和类黄酮3-O-葡萄糖基转移酶UGT78K2。
2. 肌糖原Gn在GP作用下合成葡萄糖-1-磷酸G-1-P。
3. G-1-P在GalU作用下生成尿苷二磷酸葡萄糖UDPG。
4. 柚皮素NRN在F3H作用下合成二氢山奈酚DHK。
5. DHK在FLS1作用下转化成山奈酚KMF。
6. KMF和UDPG在UGT78K2的作用下最终生成紫云英苷。

药代动力学研究

• 在刘红菊等人的研究中，采用液相色谱-串联质谱（LC-MS）技术测定并研究了大鼠血浆中紫云英苷的浓度及其药代动力学特性。结果显示该方法在低浓度范围内线性关系良好且具有较高的准确性。

药理作用

• 紫云英苷具有调节体内血糖、增强肌体免疫力、促进生长和提高抗氧化能力等多种生物活性。

参考文献

1. 刘红菊等，“液相色谱-串联质谱测定大鼠血浆中紫云英苷的浓度及其药代动力学研究”，《南方医科大学学报》, 2013年第7期。
2. 杨豪伟等，“紫云英苷对小鼠成骨细胞MC3T3-E1增殖与分化的影响” ，《中医药大学报》，2013年第4期。
3. 纪晓花，“荷叶紫云英苷的超声辅助提取及其抑菌活性研究”，《食品工业》, 2014年第10期。
4. 刘洋等，“RP-HPLC 测定百蕊草中紫云英苷的含量” ，《中国中药杂志》，2006年第21期。
5. 张新跃等，“一种酶促合成紫云英苷的方法”，专利号：CN201610029307.3, 申请日2016年1月15日。

综上所述，紫云英苷是一种具有多种潜在生物活性的化合物，通过上述研究已经对其化学性质、提取与合成方法以及药理作用进行了深入探讨。