Results 51 to 60 of about 2,985 (195)

The taxonomic study of the Malpighiaceae Juss. family of the restingas of Algodoal/Maiandeua, Maracanã, Pará, Brazil [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2011
This study deals with the taxonomic treatment of species of the Malpighiaceae Juss. occurring in the EnvironmentalProtection Area (APA) Algodoal/Maiandeua, Maracanã, Pará.
Maria de Nazaré do Carmo Bastos   +2 more
doaj  

Plant derived bioactive compounds and their potential to enhance adult neurogenesis

open access: yesPhytomedicine Plus, 2022
Background: Self-renewal and proliferation of neural progenitor cells occur throughout humans' lives. However, aging, stress, and degenerative diseases can hinder or stop the process.
Krishnapriya   +5 more
doaj   +1 more source

Harmaline Tremor: Underlying Mechanisms in a Potential Animal Model of Essential Tremor [PDF]

open access: yes, 2012
Background: Harmaline and harmine are tremorigenic β-carbolines that, on administration to experimental animals, induce an acute postural and kinetic tremor of axial and truncal musculature. This drug-induced action tremor has been proposed as a model of
Handforth, Adrian
core   +4 more sources

Kültürel Miras ile Uyuşturucu Madde Tartışmaları Arasında Ayahuasca

open access: yesKocatepe İslami İlimler Dergisi, 2023
Ayahuasca geleneksel olarak Amazon havzasındaki yerli topluluklar tarafından manevi, tıbbi ve şamanik amaçlarla yüzyıllardır kullanılan psikoaktif bir içecektir.
Nadide Şahin
doaj   +1 more source

Antimalarial plants used by indigenous people of the Upper Rio Negro in Amazonas, Brazil [PDF]

open access: yes, 1906
Ethnopharmacological relevanceThis is the first intercultural report of antimalarial plants in this region. The aim of this study was to document the medicinal plants used against malaria by indigenous people in the Upper Rio Negro region and to review ...
Kffuri, Carolina Weber   +4 more
core   +1 more source

Exploring the Therapeutic Effects of Psychedelics Administered to Military Veterans in Naturalistic Retreat Settings

open access: yesBrain and Behavior, Volume 15, Issue 7, July 2025.
Military veterans experience higher rates of mental health conditions such as stress disorder (PTSD) and depression, and often face challenges rejoining civilian life after deployment. This study investigated whether attending a communal retreat where they received a psychedelic substance improved the mental health and civilian reintegration of 58 ...
Megan Calnan   +8 more
wiley   +1 more source

Ayahuasca: il vino dell'anima [PDF]

open access: yes, 2015
Ayahuasca in lingua Quechua viene tradotto come Aya, anima, spirito, antenato o persona defunta; huasca liana, corda; significa perciò “liana dei morti”.
Andrea, Ossato   +2 more
core  

Influence of environmental conditions and seasonality on the metabolome and lipidome of Psychotria viridis leaves

open access: yesThe Plant Journal, Volume 123, Issue 2, July 2025.
Significance Statement The metabolic pathways presenting significant variation in response to seasonality were associated with energy production through the biosynthesis and consumption of carbohydrates. In contrast, the biosynthesis of flavonoids, flavones, and flavonols was linked to the cultivation location, whether in full sunlight or shaded ...
Taynara Simão Matos   +5 more
wiley   +1 more source

Brebaje Palo: a case study among the indigenous healers of Iquitos (Peru)

open access: yesRevista de Biologia Neotropical, 2008
Este estudo foi realizado na cidade de Iquitos (Amazônia peruana), onde a maioria dos curandeiros indígenas usa a bebida psicotrópica ayahuasca, a qual deve seus potentes efeitos principalmente à mistura de duas plantas, Banisteriopsis caapi (Spruce ex ...
Claudio Mazzatenta
doaj   +1 more source

El uso de la Ayahuasca en la Amazonia [PDF]

open access: yes, 2010
The yagé is a hallucinogenic plant (Banisteriopsis caapi) widely distributed in Colombia, Perú, Ecuador, Venezuela, Brazil and Bolivia, of which gets ready a drink (Ayahuasca) consumed from immemorial times inside an indigenous ritual context.
Correa, Marco   +3 more
core   +1 more source

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