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Banaba Extract

Banaba Extract

Product Name: Barnabas extract
Latin name: Lagerstroemia grandiflora
Specification:1%, 2%, 10%, 20%, 98% Corosolic acid
Apperance: brown to white fine powder


Product Introduction

Banaba Leaf extract is also know as plant insulin . The active ingredient is derived from the extract is corosolic acid which play similar role in type II diabetes.

At present, the natural Banaba Leaf extract has been marketed in the United States as a nutritional supplement.

Phycical character

Barnabas extract is also called Lagerstroemia grandiflora extract. The raw material is Lagerstroemia grandiflora and its active ingredient is corosolic acid. Corosolic acid is a white amorphous powder , soluble in petroleum ether, benzene, chloroform, pyridine and other organic solvents, insoluble in water, soluble in hot ethanol and methanol.

Banaba-Leaf-1banaba leaf extract

Product Character

[Product name]Barnaba extract

[Source] Mainly the extract of Lagerstroemia grandiflora (commonly known as Barnabas, rich in the Philippine Islands).

[Trade name]Plant insulin.

[Chemical name] 2α-hydroxyursolic acid (2-alpha- hydroxyursolic acid)

[Product Appearance]White amorphous powder

[CAS Number]4547-24-4

[Molecular formula]C3OH48O4

[Molecular Weight]472.7mol

[Specifications]1%, 2%, 10%, 20%, 98% Corosolic acid

[Solubility] soluble in organic solvents such as petroleum ether, benzene, chloroform, pyridine, etc., but insoluble

Water, soluble in hot ethanol and methanol.


Banaba extract as a new plant medicine for preventing and treating obesity and type II diabetes, and a functional natural health food and pharmaceutical raw material, has become a popular product in the market, However, there are still certain problems in extraction and preparation. With the continuous deepening of research, the product is believed to have a very bright prospect.

Compared with injecting insulin, banaba leaf extract is user friendly and with less toxic and side effects While blood sugar reduce is similar to insulin injection.

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