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Banaba Leaf Extract

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Banaba Leaf Extract

Botanical Soure: Lagerstroemia Speciosa L.

CAS No.: 4547-24-4

Plant Part Used: Leaf

Appearance: Light yellow or white powder

Specification: Corosolic acid 1%~98% by HPLC


Appearance: Fine Brownish Yellow Powder Particle Size: 80 Mesh
Loss on Drying: NMT 5% Ash Content: NMT 5%
Total Plate Count:<1,000cfu/g Total Yeast & Mold:<100cfu/g
E. Coli:Negative Salmonella:Negative

Heavy Metals
Arsenic (As): NMT 2ppm Lead (Pb): NMT 2ppm
Cadmium (Cd): NMT 1ppm Mercury(Hg): NMT 0.1ppm


Banaba extract comes from the leaf of Lagerstroemia Speciosa. The main active ingredient is corosolic acid,a terpenoid compound known to stimulate glucose transport across cell membranes. Leaves of the plant Lagerstroemia speciosa have been used as a folk medicine for treatment of diabetes and kidney diseases.

KINGHERBS can offer 1% ~ 98% Corosolic acid. It can help to regulate blood sugar and insulin levels in the blood and has strong antioxidant properties that help to prevent damage by free radicals. Corosolic Acid may also be beneficial in lowering the blood pressure as well as burning fat. It is also believed to have powerful antioxidant properties. It may help to neutralize free radical, and promote healthy kidney function and prevent cell membrane lipid oxidation.


Balancing blood sugar,Anti-diabetic: Its ability to lower blood sugar is attributed to its corosolic acid, a triterpenoid glycoside, belived to facilitate glucose-transport into cells.

Weight loss: A kind of common ingredient in weight-loss supplements and products as a metabolic enhancer.

Promote healthy kidney function and prevent cell membrane lipid oxidation.

Controlling appetite and food craving,especially carbohydrate cravings;

Corosolic Acid is believed to be beneficial in treating type 2 diabetes because it may possess the ability to reduce glucose levels.

Used in the treatment of blood pressure, renal and immune system benefits. The hypoglycemic effect of banaba leaf extract is similar to that of insulin which induces glucose transport from the blood into body cells.

Shipment Details:
1. Packing: Packed in fiber drum, LDPE bag inside. Net weight: 25kgs/drum; 
2. Storage: Keep tightly sealed, store away from moisture, strong heat and sunlight;
3. Lead time: 7-10days after order confirmed;
4. Shelf Life: 2 years if sealed and stored in the recommended conditions;

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