Poaceae - ind. Kush; chin. 羽穗草 yu sui cao
Rihzomatous perennial, native through-out the Middle East to Indo-China, North and tropical Africa; culms stout, up to 1.2m high; leaf blades up to 65 cm long.
„According to Ayurveda, Kush is acrid, cooling, oleaginous, aphrodisiac, diuretic and useful in treatment of blood diseases, biliousness, asthma (Dama), thirst, stranguary, jaundice, vaginal discharge, vesical calculi, diseases of skin, bladder and uterus etc.
Water distillation of aerial parts of D.bipinnata yielded 0.42% v/w of the yellow coloured essential oil (calculated on dry weight basis). About 16 constituents were identified by means of GC-MS analysis of the plant essential oil representing 99.97%. Mainly monoterpenes and sesquiterpenes compound such as: camphene (16.79%), isobornyl acetate (9.92%), tricyclene (4.30%), (+,-) trans-2,6-γ-Irone (2.21%), caryophyllene diepoxide (12.29%) , β-eudesmol (11.16%), eseroline (25.15%) and calarene (3.48%) represent the most abundant compounds in Desmostachya bipinnata… The essential oil of D.bipinnata showed strong antibacterial activity against S.epidermidis, S. aureus, E.coli and P.aeruginosa.“
[Chemical composition and antimicrobial activity of the essential oil of Desmostachya bipinnata linn., K. Ashok Kumar, Sharvanee, Jitendra Patel, Ram Kumar Choudhary, International Journal of Phytomedicine 2 (2010) 436-439]