Hawthorn has been used in traditional medicine since the first century. Hawthorn Leaf Extract contain Hyperoside,Vitexin-2-O-rhamnoside,Maslinic acid or flavone which widely used in drug or supplement and so on.

Products name: Hawthorn Leaf Extract  

Plant source: Leaves of Crataegus pinnatifida Bge.

Active Ingredient: Hyperoside, Vitexin-2-O-rhamnoside, Maslinic acid, Flavone

Structural Formula

           Vitexin-2-O-rhamnoside

CAS number 64820-99-1

Molecular formula: C₂₇H₃₀O₁₄

Molecular weight: 578.52

Characteristics: Brown Powder

Specifications

1> Hyperoside 2%   HPLC   CAS number 482-36-0

2> Vitexin-2-O-rhamnoside 2.0-30.0%   HPLC   CAS number 64820-99-1

3> Maslinic acid 1.0-30.0%   HPLC   CAS number 4373-41-5

4> Hawthorn Flavone 3-90%   UV

Function:

Hawthorn is claimed to maintain healthy collagen matrices of arterial walls so that the vessels remain elastic. It is used to normalize heart rhythm, reduce the likelihood and severity of angina attacks, and prevent cardiac complications in elderly patients with influenza and pneumonia.