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Herbs & Plants

Banaba

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Botanical Name :Lagerstroemia speciosa Linn.
Family: Lythraceae
Genus: Lagerstroemia
Species: L. speciosa
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Myrtales

Other scientific Names:Munchausia speciosa Linn.,Lagestroemia reginae Roxb.,Lagerstroemia flos-reginae Retz.

Common Names: Agaro (Sbl.),Mitla (Pamp.), Bugarom (S. L. Bis.),Nabulong (Neg.),Banaba (Tag.), Pamalauagon (S. L. Bis.),Duguam (S. KL. Bis.)  Pamarauagon (S. L. Bis.),Kauilan (P. Bis.) Parasabukung (Sub.),Makablos (Pang,Tabangau (Ibn., Neg.),Tauagnau (Ibn.),Pride of India (Engl.) ,Queen’s flower (Engl.)

Habitat: Banaba is  native to tropical southern Asia.Grows wild; widely distributed in the Philippines, in the secondary forests at low and medium altitudes. Cultivated for its beautiful flowers. Propagation by seeds.

Description:
A decidious tropical flowering tree, 5 to 10 m high, sometimes growing to a height of 20 meters. Leaves, large, spatulate, oblong to elliptic-ovate, 2-4 inches in width, 5-8 inches in length; shedding its leaves the first months of the year. Before shedding, the leaves are bright orange or red during which time it is thought to contain higher levels of corosolic acid). Flowers are racemes, pink to lavender; flowering from March to June. After flowering, the tree bears large clumps of oval nutlike fruit…..click & see

Click to see the pictures

 

Cultivation:
It is grown in South East Asia, India and the Philippines.It is also widely cultivated as an ornamental plant in tropical and subtropical areas.

Chemical constituents:
Rich in tannin: fruit, 14 to 17 %; leaves 13 %; bark, 10%.
• Studies have isolated: (1) corosolic acid (2) ellagitannin Lagerstroemin (3) gallotannins
• Penta-O-galloyl-glucopyranose (PPG) – identified as the most potent of the gallotannins, with a higher glucose transport stimulatory activity than Lagerstroemin. In addition to stimulating glucose uptake in fat cells, it also has anti-adipogenic properties.

Medicinal Uses:

Parts utilized:  Leaves, fruits, flowers and bark.

Banaba extract is used as a natural health supplement and is made from the leaves of the banaba tree. Some research suggests that banaba extract may support blood sugar balance and weight loss. The primary active ingredient is corosolic acid, and there are also numerous possible synergists including lager-stroemin, flosin B and reginin A.

Folkloric:
* Roots have been used for a variety of stomach ailments. Leaf decoction for diabetes; also use as a diuretic and purgative.
* Decoction of old leaves and dried fruit (dried from one to two weeks), 50 gms to a pint of boiling water, 4 to 6 cups daily has been used for diabetes. Old leaves and ripe fruit are preferred, believed to have greater glucose lowering effect. Young leaves and flowers have a similar effect, though only 70% that of matures leaves and fruits. The wood has no known glucose lowering effect; the bark, a very small amount. A decoction of 20 gms of old leaves or dried fruit in 100 cc of water was found to have the equivalent effect to that of 6 to 7.7 units of insulin.
* The bark decoction has been used for the treatment of diarrhea.
* The bark, flowers and leaves used to facilitiate bowel movements.
* Decoction of fruits or roots gargled for aphthous stomatitis.
* Decoction of leaves and flowers used for fevers and as diuretic.
* Leaf decoction or infusion used for bladder and kidney inflammation, dysuria, and other urinary dysfunctions.

*Banaba Tea The leaves of the Banaba and other parts are used widely by the Philippines, Taiwan, and Japan as a Tea preparation. This tea is consumed as a natural means for a variety of reasons involving the kidneys, such as dissolving kidney stones, kidney cleanses, and kidney health in general. Research being conducted in Japan shows much promise for this plant and its potential uses in the medical community.

Studies

• Corosolic Acid / Lagerstroemin / Gallotannins: Studies have identified several compounds as responsible for its anti-diabetic activity. (1) corosolic acid (2) Lagerstroemin, an ellagitannin (3) gallotannins, of which PPG – penta-O-galloyl-glucopyranose–was identified as the most potent, with a higher glucose transport stimulatory activity than Lagerstroemin. In addition to stimulating glucose uptake in fat cells, it also has anti-adipogenic properties.
• Inhibition of TNF-induced Activation: Diabetes leads to cardiomyocyte hypertrophy in association with upregulation of vasoactive factors and activation of nuclear factor (NF)-kappaB and activating protein-1. Study results indicate L speciosa can inhibit DNA-binding of NF-kappaB which may explain its possible inhibition of diabetes-induced cardiomyocyte hypertrophy.
Ellagitannins / Insulin-like Glucose Uptake Stimulatory/Inhibitory Activities / Adipocyte Differentiation-Inhibitory Activity: Study yielded seven ellagitannins, including lagerstroemin from the leaves of L speciosa. The ellagitannins exhibited strong activities in both stimulating insulin-like glucose uptake and inhibiting adipocyte differentiation . Also, ellagic acid derivatives showed inhibitory effect on glucose trasport.
• Diabetes: (1) Banaba has been extensively studied for its application in the treatment of diabetes. Early on, Its ability to lower blood sugar was attributed to corosolic acid, a triterpenoid glycoside, belived to facilitate glucose-transport into cells. (2) Studied with abutra, akapulko, makabuhay for antidiabetic activity through activation of gucose transporter activity. One of the active principles from Banaba was the tripertene, corosolic aicd.
• Weight loss: Studies in mice suggest an antiobesity effect. It is becoming a common ingredient in weight-loss supplements / products as a metabolic enhancer.
• Hypertension: It is also being studied for its use in the treatment of blood pressure, renal and immune system benefits.
• Lipid-lowering: Studies in mice suggest a lipid lowering effect – decreasing triglyceride and total cholesterol levels. To date, no toxicity has been identified.
Hypoglycemic Activity of Irradiated Banaba Leaves: Study showed the effects of nBLE and iBLE were comparable to the hypoglycemic effects of insulin.
• Xanthine oxidase inhibitors from the leaves of Lagerstroemia speciosa (L.) Pers: Xanthine oxidase is a key enzyme involved with hyperuricemia, catalyzing the oxidation of hypoxanthine to xanthine to uric aicd. The study supports the dietary use of the aqueous extracts from Banaba leaves for the prevention and treatment of hyperuricemia.
• Antidiabetic Activity: Study showed a significant reduction of blood glucose levels with the soft gel formulation showing better bioavailability than a dry-powder formulation.
• Other studies report potential uses: (1) antibacterial effects from seed extracts (2) significant protection of HIV-infected cells by ellagic acid constituents (3) antioxidative activity of a water extract (4) inhibition of xanthine oxidase by aqueous extract, 31 and anti-inflammatory activity in mice.
Anti-Inflammatory / Free Radical Scavenging: Study showed antioxidant and anti-inflammatory activities from the ethyl acetate and ethanol extracts of Lagerstroemia speciosa.

Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.

Resources:
http://www.stuartxchange.com/Banaba.html
http://en.wikipedia.org/wiki/Lagerstroemia_speciosa
http://4.bp.blogspot.com/_vmRJz7Sp6ds/SlrFszNMJzI/AAAAAAAAIDM/dWCAf3wiv1U/s1600-h/13jul%2709,ls+of+bungor+tree.jpg

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Categories
Herbs & Plants

Jarul (Lagerstroemia speciosa)

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Botanical Name : Lagerstroemia speciosa
Family: Lythraceae
Genus: Lagerstroemia
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Myrtales
Species: L. speciosa
Synonym: Lagestroemia reginae.

Common Names:Giant Crape-myrtle, Queen’s Crape-myrtle,Queen’s flower, pride of India, queen’s crape myrtle,
Banabá Plant for Philippines and Jarul for India  Bengladesh.

Habitat : Native to tropical southern Asia.

Description:
It is a small to medium-sized tree growing to 20 m tall, with smooth, flaky bark. The leaves are deciduous, oval to elliptic, 8-15 cm long and 3-7 cm broad, with an acute apex. The flowers are produced in erect panicles 20-40 cm long, each flower with six white to purple petals 2-3.5 cm long.It has smooth rounded leaves.

c lick to see the pictures…...(01)……(1)...(2)…...(3)....(4)..….…(5)....…(6).

 

The red-orange leaves have higher levels of corosolic acid.The beautiful flowers are racemes and are pink, purple or purplish – pink.The fruit is oval, about one inch long and splits in six pieces when mature; the seeds are small and have winged flaps.


Cultivation:

It is grown in South East Asia, India and the Philippines.It is also widely cultivated as an ornamental plant in tropical and subtropical areas.This tree should be planted under full sun; can be planted on most soils but it has low salt tolerance. Plant in a frost free location or protect from frost.

Propagation :Seeds.
You may click to see :In Vitro Propagation of Lagerstroemia spp. from Nodal Explants and Gaseous Composition in the Culture Headspace.

Medicinal Uses:
Traditional medicinal applications :
The roots are used for stomach problems.
Tea of the leaves is used against diabetes mellitus and for weight loss.
Banaba leaves are able to lower blood sugar due to, among other phytochemicals; acid (triterpenoid glycoside). This is not the only active phyto-chemical, though.

The phytochemicals in the leaves of Banaba works at the molecular level by fine-tuning the damaged insulin receptor, which is the cause of insulin resistance.

Banaba also contains concentrations of dietary fiber and minerals such as magnesium and zinc.
It helps the body handling glucose and is as such also effective in weight loss and against obesity.
The hypoglycemic (blood sugar lowering) effect is similar to that of insulin (which induces glucose transport from the blood into body cells).

The tea is therapeutic against ailments such as diabetes, kidney- and urinary problems. The taste is pleasant and smooth; in Japan it is known as “slimming tea.”

Banaba can also be applied against gout (metabolic arthritis); the leaves contain Valoneic Acid Dilactone (VAD). This acts as as an inhibitor of xanthine oxidase to lower uric acid levels.

The effect of VAD is stronger than Allopurinol (brand names: Aloprim®, Zyloprim®) and is without the side effects commonly associated with this drug.

Click to learn more :banabaherb.com :
Antidiabetes and Anti-obesity Activity of Lagerstroemia speciosa :

Other Uses :
The reddish brown wood of Banaba is used for home building, furniture, boats, etc.The Queen’s flower will stand out in every garden and is a beautiful landscape tree.

Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.

Resources:
http://www.tropilab.com/queen-flow.html
http://en.wikipedia.org/wiki/Lagerstroemia_speciosa

http://www.tropical-biology.org/research/dip/species/Lagerstroemia%20speciosa.htm

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