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of 132
pro vyhledávání: '"Johannes J. C. Scheffer"'
Quality assurance and quality control of the crude drug and its preparations should be based on the major groups of secondary metabolites. Pharmacopoeial aspects for the crude drug include a definition, and macroscopical and microscopical description
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13f8a5ebf41238abfdfff2c0a540ffad
https://doi.org/10.1201/9780203734483-5
https://doi.org/10.1201/9780203734483-5
Publikováno v:
Flavour and Fragrance Journal. 23:213-226
The presence, yield and composition of secondary metabolites in plants, viz. the volatile components and those occurring in essential oils, can be affected in a number of ways, from their formation in the plant to their final isolation. Several of th
Autor:
Monya M. Costa, José G. Barroso, Johannes J. C. Scheffer, Stanley G. Deans, Luis G. Pedro, Américo Figueiredo
Publikováno v:
Biotechnology Letters. 30:1265-1270
Six-year-old Levisticum officinale (lovage) hairy root cultures were used to study the effect of eight different NH(4) (+):NO(3) (-) ratios on their growth and volatile components. All cultures were kept at 24 degrees C on orbital shakers at 80 rpm,
Autor:
José G. Barroso, A. Cristina Figueiredo, Frederico S.L.M. Rodrigues, João D. Pereira, Luisa C. S. Antunes, Luis G. Pedro, Hélder H. S. Miranda, Johannes J. C. Scheffer, Monya M. Costa, Renato Colaço
Publikováno v:
Flavour and Fragrance Journal. 22:311-316
The yields of the essential oils isolated from the aerial parts of Pittosporum tobira grown in three different locations in Lisbon, Portugal, were determined by hydrodistillation; the chemical composition of the volatile oils, isolated by distillatio
Autor:
Pedro A. G. Santos, A. Sofia Lima, Luis G. Pedro, Tiago C. Luis, José G. Barroso, Nicolau J. Ferreira, Ana Cristina Figueiredo, Inês Sousa, Johannes J. C. Scheffer, Monya M. Costa, Antonio Currais
Publikováno v:
Flavour and Fragrance Journal. 22:1-9
Aerial parts of Pittosporum undulatum were collected fortnightly for 1 year at the Parque de Saude de Lisboa. Collective samples of two populations were investigated, i.e. from pruned and non-pruned trees, and in addition samples from one pruned and
Autor:
Cecília Sérgio, Leena Luís, Johannes J. C. Scheffer, Luis G. Pedro, Manuela Sim-Sim, A. Cristina Figueiredo, Susana Fontinha, José G. Barroso
Publikováno v:
Flavour and Fragrance Journal. 21:534-538
Asterella africana (Mont.) A. Evans was collected on Madeira and in mainland Portugal at distinct locations and collection dates. The morphology of this marchantioid liverwort was analysed by scanning electron microscopy. The Madeiran A. africana sho
Autor:
Pedro A. G. Santos, Stanley G. Deans, Lígia Salgueiro, Susana Fontinha, Johannes J. C. Scheffer, Luis G. Pedro, A. Cristina Figueiredo, José G. Barroso
Publikováno v:
Plant Science. 169:1112-1117
The composition of the essential oils isolated from 24 populations of Thymus caespititius collected on Corvo, Flores, Sao Miguel and Terceira (Azores) and on Madeira were studied by GC and GC–MS. All the oil samples analysed were dominated by their
Autor:
Luis G. Pedro, Pedro A. G. Santos, M. Margarida Oliveira, Stanley G. Deans, José G. Barroso, Johannes J. C. Scheffer, A. Cristina Figueiredo
Publikováno v:
Plant Science. 168:1089-1096
Transformed root cultures of Levisticum officinale (lovage) were established by inoculation of aseptically grown seedlings with Agrobacterium rhizogenes strain A4 carrying plasmid pRiA4::70GUS. Hairy roots growth in four different types of liquid cul
Publikováno v:
Pharmaceutical Biology. 41:284-290
Catharanthus roseus cell cultures produce a high amount of 2,3-dihydroxybenzoic acid (2,3-DHBA) and salicylic acid (SA) with a concomitant induction of isochorismate synthase (ICS, EC 5.4.99.6) after addition of a fungus Pythium aphanidermatum. To in
Publikováno v:
Journal of Ethnopharmacology. 84:31-35
Studies on carrageenin-induced rat paw edema, yeast-induced hyperthermia in rat and writhing response induced by acetic acid in mice showed that the alcoholic extract of stems of Tabernaemontana pandacaqui (T. pandacaqui) has significant anti-inflamm