Results 51 to 60 of about 16,336 (252)

Triterpenoids from Azorella trifurcata (Gaertn.) Pers and their effect against the enzyme acetylcholinesterase

open access: yesQuímica Nova, 2009
The inhibition of the enzyme acetylcholinesterase is considered as a strategy for the treatment of Alzheimer's disease, senile dementia, ataxia, and myasthenia gravis. Three lanostane- and two cycloartane-type triterpenes, together with two mulinane-type
Carlos Areche   +6 more
doaj   +1 more source

Assessing ChatGPT for taxonomic and floristic studies

open access: yesNordic Journal of Botany, EarlyView.
The advancement of biological sciences has long been closely linked to technological progress. ChatGPT, a generative artificial intelligence chatbot capable of producing human‐like conversational responses, has recently attracted attention as a potential support tool for scientific research.
Mykyta Peregrym   +7 more
wiley   +1 more source

Alternative protection of potatoes in organic farming [PDF]

open access: yes, 2009
There were tested water extracts from Syringa vulgaris and Pyrethrum parthenium. They did not prove signincant differences ofdecrease of the air attack ofColorado potato beetle (Leptinotarsa decemlineata), the activity ofeggs -laying and the occurrence ...
Dvorak, Petr, Tomasek, Jaroslav
core  

Diversity of plant communities and leaf heavy metal content at Luiswishi copper/cobalt mineralization, Upper Katanga, Dem. Rep. Congo [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 1999
The site has been visited in 1926 by Walter Robyns, but was never studied in detail despite its location near Lubumbashi and its differences from the famous site of the ""Mine de l'Etoile"".
Malaisse F., Ruelle S., Baker A.J.M.
doaj  

Harnessing Phytochemicals for Brain Cancer Therapy: Insights Into Medulloblastoma and Glioblastoma Treatment

open access: yesPhytochemical Analysis, EarlyView.
ABSTRACT Primary brain tumors are life‐threatening diseases. Glioblastoma is the most aggressive type with a poor prognosis. Medulloblastoma is the most common pediatric brain tumor. While surgical treatments often result in recurrences owing to the complex nature of the tumor microenvironment, conventional treatments lower the quality of life of ...
Ilkay Irem Ozbek   +3 more
wiley   +1 more source

Improvement of seed quality of medicinal plants and herbs in organic farming [PDF]

open access: yes, 2006
As in vegetable growing or grain cropping the seed quality is an important factor for the successful cultivation of medicinal plants and herbs. In spite of intensive efforts made by specialised seed producers there are recurring problems with important ...
Aedtner, Ina   +5 more
core  

Purification and Structured Term in Ation of Compounds in Chloroform Extract of the Aerial Parts of the Plant Ferula hirtella

open access: yesJournal of Medicinal Plants, 2013
Background: Ferula is a genus of about 130 species of flowering plants in the family Umbelliferae, of which 30 species are found in Iran. Many species of this family possess medicinal qualities and have long been used in traditional medicine.
Z Habibi, E Roustaei
doaj  

Levantamento fitossociológico de um campo limpo da Estação Experimental Agronômica, UFRGS, Guaíba, RS: 1ª etapa Phytossociological survey of an open grassland of the Agronomic Experimental Station of the UFRGS, Guaíba, RS: 1º stage

open access: yesActa Botânica Brasílica, 1987
Foi realizado um estudo fitossociológico numa área de campo limpo, sob pastejo, durante os meses de outubro e novembro de 1984. No levantamento qualitativo de 16 amostras identificaram-se 28 famílias, 76 gêneros e 112 espécies, destacando-se as famílias ...
Ilsi Iob Boldrini   +1 more
doaj   +1 more source

Heteromericarpy of Heracleum sosnowskyi Manden. (Umbelliferae = Apiaceae)

open access: yesТруды по прикладной ботанике, генетике и селекции, 2020
Background. Heracleum sosnowskyi Manden. (family Umbelliferae = Apiaceae) is included in the lists of invasive species in many regions of Russia and European countries. Mericarps (fruits conventionally called seeds) of Heracleum L. spp. are characterized
K. G. Tkachenko
doaj   +1 more source

A comprehensive checklist of Mediterranean wild edible plants: Diversity, traditional uses, and knowledge gaps

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The use of wild edible plants and the traditional knowledge associated with them are rapidly disappearing across the Mediterranean, with serious consequences for biodiversity, cultural heritage, and regional food security. This study compiles and organizes fragmented information to create the first comprehensive catalogue of these plants across the ...
Benedetta Gori   +5 more
wiley   +1 more source

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