A composição química do óleo essencial das folhas e flores de dois acessos de Ocimum selloi Benth., cultivados na Universidade Fed eral de Viçosa foi analisada. Para o acesso A o componente prin ci pal foi identificado como estragol, o qual representa 94,95% e 92,54% do óleo das folhas e das flores, respectivamente. O óleo obtido das folhas e flores do acesso B é constituído de 65,49% e 66,18% ...

Ursolic acid is a very important compound due to its biological potential as an anti-inflammatory, trypanocidal, antirheumatic, antiviral, antioxidant and antitumoral agent. This study presents the HPLC analysis of ursolic acid (UA) content in eight different Ocimum species: O. americanum L., O. basilicum L, O. basilicum var purpurascens Benth, O. basilicum var. minimum L, O. gratissimum L, O. ...

Tipuana tipu (Benth.) Kuntze is a tree from the leguminosae family (Papilionoideae) indigenous in Argentina and extensively used in urbanism, mainly in Southern Brazil. The epicuticular waxes of leaves and branch, and flower surface were studied by high temperature high resolution gas chromatography. Several compounds were characterized, among which the aliphatic alcohols were predominant in br...

Yanyang Zhang,1,2 Jiang-Ping Hu,3 B. A. Bernevig,4 X. R. Wang,2 X. C. Xie,5,1 and W. M. Liu1 1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People’s Republic of China 2Physics Department, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, China 3Department of Physics, Purdue Universit...

Salicylic acid, jasmonic acid, methyl salicylate, and methyl jasmonate are important phytohormones and defensive signaling compounds, so it is of great importance to determine their levels rapidly and accurately. The study uses Ulmus pumila leaves infected by Tetraneura akinire Sasaki at different stages as materials; after extraction with 80% methanol and ethyl acetate and purification with pr...

Kajian ini melaporkan kesan rawatan bagi dua sediaan krim yang masing-masing mengandungi 1% ekstrak air varieti L. pumila iaitu var. alata dan terhadap penyembuhan luka melalui uji kaji menggunakan model tikus kulit manusia 3D EpidermFull Thickness (Mat Tek, USA) penentuan penutupan analisis pengekspresan gen terpilih mekanisme tisu (gen TGF-1, IL-6, EGF, CBL COL3A1 untuk tikus; IL-10, TGFb-1 m...

Afforestation plays an important role in mitigating soil erosion and improving quality the Loess Plateau. However, there is no consistent conclusion about effect of tree species on properties. Robinia pseudoacacia, Pinus tabulaeformis, Malus pumila plantations were selected as research objects. Soil indices such content organic carbon (SOC) inorganic (SIC), density, aggregate stability, bulk de...

The codling moth Cydia pomonella (Linnaeus) (Lepidoptera Tortricidae) is a key pest of pome fruit (apple, pear and quince) and walnut orchards in most temperate regions of the world (Barnes 1991; CABI 1995). The moth has followed the spread of the apple tree Malus pumila Miller around the world, and

Background: Xanthine Oxidase activity may increase plasma urates, superoxide radicals and hydrogen peroxide leading to gout, arthritis cancer. Allopurinol, a known inhibitor, is noted have various adverse effects. Many laboratories are in research projects find alternative inhibitors of XO including plant sources. Plants contain therapeutically effective agents. A. senegalensis, M. sapientum L ...