نتایج جستجو برای: piperaceae

تعداد نتایج: 452  

2007
ERIC. J. TEPE MICHAEL A. VINCENT LINDA E. WATSON

Several Central American species of Piper sect. Macrostachys have obligate associations with ants, in which the ant partner derives food and shelter from modified plant structures and, in turn, protects the plant against fungal infection and herbivory. In addition to these obligate ant-plants (i.e. myrmecophytes), several other species in Piper have resident ants only sometimes (facultative), a...

Journal: :Plant physiology 1987
J E Schmidt W M Kaiser

Relative water content, solute concentrations, and osmolality were determined in the water storage tissue (hydrenchyma) and the assimilatory tissue (chlorenchyma) of the succulent leaves of Peperomia magnoliaefolia (Jac) (Piperaceae) during slow desiccation. Relative water loss was significantly greater for the hydrenchyma than for the chlorenchyma. When whole leaves had lost 50% of their initi...

Journal: :Memorias do Instituto Oswaldo Cruz 2007
Valter F de Andrade-Neto Adrian M Pohlit Ana Cristina S Pinto Ellen Cristina C Silva Karla L Nogueira Márcia R S Melo Marycleuma C Henrique Rodrigo C N Amorim Luis Francisco R Silva Mônica R F Costa Rita C S Nunomura Sergio M Nunomura Wilson D Alecrim M das Graças C Alecrim F Célio M Chaves Pedro Paulo R Vieira

In the present study, a quassinoid, neosergeolide, isolated from the roots and stems of Picrolemma sprucei (Simaroubaceae), the indole alkaloids ellipticine and aspidocarpine, isolated from the bark of Aspidosperma vargasii and A. desmanthum (Apocynaceae), respectively, and 4-nerolidylcatechol, isolated from the roots of Pothomorphe peltata (Piperaceae), all presented significant in vitro inhib...

2007
R. Perumal Samy P. Gopalakrishnakone

Traditional medicine is the synthesis of therapeutic experience of generations of practicing physicians of indigenous systems of medicine. Throughout the history of mankind, many infectious diseases have been treated with herbals. The traditional medicine is increasingly solicited through the tradipractitioners and herbalists in the treatment of infectious diseases. Among the remedies used, pla...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

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