Imperata Cylindrica

Synonim :
Lagurus cylindricus L
Imperata arundinacea Cirillo.
Familia :

Herb, grass, crept, height 30-180 cm
Trunk: rhizome, crept under the soil, forming a single inflorescence stems vertical, solid.
Leaves: single, base close to each other, strands of ribbon-shaped, sharp pointed tip, vertical, coarse, hairy rarely, size 12-80 cm. x 35-18 cm.
Flower: arrangement of compound, compound grains, rather furl, 6-28 cm long, each branch has 2 grain, 2.5 to 5 cm branch, flower stalks 1-3 mm, gluma 1, the end of the ciliated, 3-6 veins, Lemma 1 (husks); broad ovate, short cilia from 1.5 to 2.5 mm. Lemma 2 (husk), elongated, tapering from 0.5 to 2.5 mm. Palea (husks); 0.75 to 2 mm.
The stamens: anthers 2.5 to 3.5 mm, yellowish white or purple. Stigma: the stigma of feather-shaped. Fruit: type rice. Seed: shape elliptic, 1 mm long.
Flowering time: January to December.
Regional distribution, Habitat and Cultivation: 
In Java grew at a height of up to 2700 m above sea level, in open or semi-enclosed area, the marshes; in soil with good aeration, in areas that open out, on the banks of the river, extensive secondary forests, burned areas, as weeds in fields, gardens and plantations.
This plant can influence the cultivation of other crops, because it needs a relatively high natrium.
Multiplication: multiply by itself. Every time the roots are harvested from plants that have been mature. Pale-colored rhizome good, taste sweet and cool. Reeds can cause a decrease in soil pH. The amount of decrease in pH and barriers to the process of nitrification showed a positive correlation with the growth of reeds.
Chemical Composition:
Roots: metabolites that have been found in reed roots consist of arundoin, fernenol, isoarborinol, silindrin, simiarenol, kampesterol, stigmasterol, ß-sitosterol, scopoletin, skopolin, p-hidroksibenzaladehida, katekol, chlorogenic acid, isoklorogenat acid, p-acid kumarat, neoklorogenat acid, acetic acid, oxalic acid, d-malic acid, citric acid, potassium (0.75% of dry weight), large amounts of calcium and 5-hidroksitriptamin.
From the results of other studies on the roots and leaves found in 5 different flavonoid derivatives is derivatives 3 ', 4 ' 0.7-trihidroksi flavone, 2 ', 3'-dihydroxy kalkon and 6-hydroxy flavanol. A derivative of flavonoids which may include classes flavone, flavonol substituted at the 3-0h, flavanones or isoflavones present in the soluble fraction in ethyl acetate extract of the roots of the weeds. In the fraction of water-soluble extract of the roots of the weeds found flavone class of compounds without the free OH groups, flavonoids, flavonol substituted at the 3-0h, flavanones or isoflavones.
Curable Disease:
Rhizome: skin softener; facilitating urine, blood cleansers, appetite enhancer, stop the bleeding. in addition it can be used in treatment efforts venereal diseases (gonorrhea, blood urine), kidney disease, injury, fever, high blood pressure and nerve disease. All parts of plants used as animal feed, paper materials, and for the treatment of ringworm.
Biology and Pharmacology :
Reed rhizome infusa effect as a diuretic, on the basis of increasing concentrations of electrolytes (Na, K, Cl) male white rat urine. Giving infusa reed roots with a dose of 40, 50, 60, 70 g / kg body weight antipyretic effect on the guinea pig. Infusa reed flowers at a concentration of 10% with a dose of 12 ml / kg antipyretic effect of paracetamol suspensions are relatively equal to 10% in pigeons.
Clinical test:
Dekokta reed roots with a dose of 250-300 g, 2 times morning and evening to cure 27 cases from 30 patients with acute nephritis. In chronic nephritis, herbaceous weeds can reduce edema and lower blood pressure. Dekokta herbs 250 g in the singular or combined with roots and leaves of Nelumbo nucifera and Agrimonia pilosa leaves to treat epistaxis (nosebleeds), haemoptysis (coughing up blood), hematuri (urinating blood), menorrhagia, and upper gastrointestinal bleeding.
In addition it was reported also that Dekokta reed roots can be effective for the treatment of acute viral hepatitis in 28 cases; usually used together with Plantago asiatica, Glechoma longituba and Artemisia capillaris buds.
In the use according to the rules, practically not toxic.
Side Effect :
Dizziness, nausea, increased bowel movements curiosity, sometimes occurs in clinical use.

Pharmaceutical Technology: 
Cellulose leaf weeds on the water absorption has a relatively well in the manufacture of tablets by direct compression.

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