常见问题(FAQs)

Hawthorn Extract FAQs: Uses, Storage & Research

Hawthorn Extract is a standardized polyphenol-rich plant extract derived from Crataegus species, widely used in biological and pharmacological research for its antioxidant, cardioprotective, and anti-inflammatory properties.

SKU
H1449453
Source Plant
Crataegus spp. (Hawthorn)
Primary Bioactive Classes
Oligomeric proanthocyanidins (OPCs), flavonoids (vitexin, hyperoside), triterpenic acids
Key Research Applications
Antioxidant assays, cardiovascular research, anti-inflammatory studies, cell viability assays
Cross-Reference
MCE-TJY: HY-N13250
Recommended Storage
Cool, dry, dark conditions; refer to product datasheet for specific temperature

What Is Hawthorn Extract and What Does It Contain?

Hawthorn Extract is a botanical extract obtained from the berries, leaves, and/or flowers of Crataegus species. The extract is particularly rich in three classes of bioactive compounds: oligomeric proanthocyanidins (OPCs), flavonoids such as vitexin-2-O-rhamnoside, hyperoside, and vitexin, and triterpenic acids including ursolic acid and oleanolic acid.

These phytochemicals collectively contribute to the extract's well-documented antioxidant capacity, ability to modulate inflammatory signaling pathways, and potential cardiovascular protective effects. Researchers working in oxidative stress biology, natural product pharmacology, or cardiovascular science commonly use standardized hawthorn extracts to ensure reproducibility across experiments.

What Are the Documented Biological Activities of Hawthorn Extract?

Hawthorn Extract has been studied across multiple biological activity domains in preclinical research settings:

  • Antioxidant activity: OPCs and flavonoids scavenge reactive oxygen species (ROS) and may upregulate endogenous antioxidant enzymes such as superoxide dismutase (SOD) and catalase.
  • Cardiovascular effects: Preclinical studies suggest hawthorn extracts may support coronary blood flow, reduce myocardial oxygen consumption, and exhibit mild positive inotropic effects, potentially mediated through phosphodiesterase inhibition.
  • Anti-inflammatory effects: Flavonoid constituents have been reported to inhibit pro-inflammatory mediators including NF-κB signaling and cyclooxygenase (COX) enzymes in cellular models.
  • Lipid modulation: Some in vitro and animal studies indicate potential effects on lipid metabolism and LDL oxidation.

Researchers should note that results are predominantly from in vitro and animal studies; human clinical translation requires further investigation.

Solubility, Handling, and Storage Recommendations

Hawthorn Extract is a complex multi-component mixture; solubility can vary depending on the specific batch standardization and the ratio of constituent phytochemicals.

  • Aqueous solubility: The extract typically shows partial to good solubility in water and aqueous buffers, reflecting the hydrophilic nature of many flavonoid glycosides and OPCs.
  • Organic solvents: DMSO and ethanol are commonly used co-solvents for preparing stock solutions for cell-based assays. Sonication may improve dissolution.
  • Storage: Store in a cool, dry, dark environment. Protect from moisture, heat, and light to minimize oxidative degradation of polyphenols. Consult the product-specific datasheet (SKU H1449453) for exact recommended storage temperature and shelf life.
  • Stock solution preparation: Prepare fresh working solutions or aliquot and store at recommended conditions to avoid repeated freeze-thaw cycles.

Research Applications and Assay Compatibility

Hawthorn Extract (H1449453) is suitable for a range of in vitro and in vivo research applications:

  • Antioxidant capacity assays: DPPH, ABTS, and FRAP assays are routinely applied to characterize hawthorn extract preparations.
  • Cell-based assays: Cytotoxicity profiling (MTT, CCK-8), apoptosis assays, and ROS detection in relevant cell lines (e.g., cardiomyocytes, endothelial cells, macrophages).
  • Biochemical pathway studies: Western blotting and qPCR to assess modulation of NF-κB, Nrf2/HO-1, and MAPK pathways.
  • Animal models: Used in models of myocardial ischemia-reperfusion injury, hyperlipidemia, and metabolic syndrome.

For all applications, researchers are advised to run appropriate vehicle controls (e.g., DMSO at matched concentrations) and confirm extract composition via the supplied certificate of analysis.

Quality, Standardization, and Regulatory Notes

Aladdin Scientific's Hawthorn Extract (H1449453) is a research-grade reagent intended exclusively for laboratory and research use. Key quality considerations include:

  • Standardization: Research-grade hawthorn extracts are typically standardized to a defined percentage of total flavonoids (often expressed as hyperoside equivalents) or oligomeric proanthocyanidins. Verify the specific standardization marker and percentage on the product certificate of analysis.
  • Purity and identity: Identity confirmation may include HPLC fingerprinting against reference markers such as vitexin, hyperoside, or chlorogenic acid.
  • Cross-reference: This product is cross-referenced with MCE-TJY catalog number HY-N13250, facilitating literature comparison for researchers familiar with that source.
  • Regulatory status: This product is supplied for research use only (RUO) and is not intended for human therapeutic, diagnostic, or food use.

Frequently asked questions

What is the recommended solvent for dissolving Hawthorn Extract for cell culture experiments?

For cell-based assays, DMSO or ethanol are the most commonly used solvents to prepare stock solutions of Hawthorn Extract. Ensure that the final DMSO concentration in the culture medium does not exceed 0.1% (v/v) to avoid solvent cytotoxicity. Aqueous buffered solutions may also be used if solubility is sufficient; sonication can aid dissolution.

How should Hawthorn Extract (H1449453) be stored to maintain stability?

Hawthorn Extract should be stored in a cool, dry, and dark environment, protected from heat, moisture, and light, as polyphenols are susceptible to oxidative degradation under adverse conditions. Please refer to the product-specific datasheet for the exact recommended storage temperature and shelf life information. Aliquoting stock solutions is recommended to minimize freeze-thaw cycles.

What are the primary active constituents researchers should monitor in Hawthorn Extract?

The primary bioactive classes in Hawthorn Extract include oligomeric proanthocyanidins (OPCs), flavonoids (notably vitexin, vitexin-2-O-rhamnoside, and hyperoside), and triterpenic acids (such as ursolic acid and oleanolic acid). The certificate of analysis for SKU H1449453 should specify the standardization marker and its confirmed content, which researchers should review to ensure reproducibility across experimental batches.

Is Hawthorn Extract (H1449453) suitable for in vivo animal studies?

Yes, Hawthorn Extract is used in preclinical animal models, including models of myocardial ischemia-reperfusion injury, hyperlipidemia, and metabolic disorders. However, as a research-grade reagent, dosing parameters, vehicle formulation, and ethical compliance must be determined by the investigating researcher. This product is for research use only and is not approved for any clinical or therapeutic application.

What quality documentation is available for Hawthorn Extract H1449453?

A Certificate of Analysis (CoA) is available for each production lot of Hawthorn Extract H1449453, detailing the standardization marker, confirmed purity or content, and physical appearance. Researchers requiring additional characterization data such as HPLC chromatograms or spectroscopic data should contact Aladdin Scientific customer support directly.

References

  1. Pittler MH, Guo R, Ernst E. Hawthorn extract for treating chronic heart failure. Cochrane Database of Systematic Reviews. 2008.
  2. Tassell MC, Kingston R, Gilroy D, Lehane M, Furey A. Hawthorn (Crataegus spp.) in the treatment of cardiovascular disease. Pharmacognosy Reviews. 2010.
  3. Wang J, Xiong X, Feng B. Effect of crataegus usage in cardiovascular disease prevention: an evidence-based approach. Evidence-Based Complementary and Alternative Medicine. 2013.

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.

目录: 常见问题(FAQs)

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产品仅供科研与开发使用,不用于人体、动物、诊断或治疗。

引用本文

阿拉丁科学.《Hawthorn Extract FAQs: Uses, Storage & Research》. 阿拉丁知识库,更新于 2026年11月2日。 https://www.aladdin-e.com/zh_cn/faqs/hawthorn-extract-faqs-uses-storage-research-en.html