Results 31 to 40 of about 110,251 (208)

Composición lignocelulósica de Pinus ayacahuite Ehrenb. ex Schltdl., P. leiophylla Schlecht. & Cham. y P. herrerae Martínez

open access: yesRevista Mexicana de Ciencias Forestales, 2017
En el municipio Pueblo Nuevo, Durango se produce la cuarta parte de la producción maderable estatal y 89 % se basa en 12 especies de Pinus; sin embargo, no existen estudios sobre la composición química de la madera de los pinos que se aprovechan.
José Amador Honorato Salazar   +2 more
doaj   +1 more source

OBTENCIÓN DE EXTRACTOS DE JENGIBRE (ZINGIBER OFFICINALE) EMPLEANDO CO2 SUPERCRÍTICO

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023
Mediante extracción con fluidos supercríticos (EFS) se obtuvieron extractos de rizomas de jengibre (Zingiber officinale), con CO2 a diferentes condiciones de presión y temperatura.
Armando Reyes-Najar   +4 more
doaj   +1 more source

Evaluación preclínica y estudio de estabilidad de extractos a partir del follaje de Momordica charantia Lin

open access: yesRevista Brasileira de Plantas Medicinais, 2014
El objetivo del presente trabajo fue la evaluación preclínica y el estudio de estabilidad de extractos a partir del follaje de Momordica charantia Lin. Se obtuvieron extractos acuoso e hidroalcohólico para los cuales se establecieron las especificaciones
A. Lagarto   +9 more
doaj   +1 more source

Micrografía cuantitativa y perfiles de HPLC y FTIR de Melissa officinalis y Nepeta cataria (Lamiaceae) de Argentina [PDF]

open access: yes, 2014
Melissa officinalis L., so called "Melissa" or "Toronjil", is a perennial aromatic herb, whose leaves are used in traditional medicine as a carminative, digestive and sedative, both in simple as in mixtures. Meanwhile, Nepeta cataria L., commonly called "
Camí, Gerardo Enrique   +6 more
core  

The far side of capitalism: Institutions and trade financing in Manila during the long eighteenth century

open access: yesThe Economic History Review, Volume 78, Issue 4, Page 1068-1087, November 2025.
Abstract Sustained long‐distance trade in the early modern era necessitated institutional mechanisms capable of solving three interrelated challenges: the need to mobilize an unprecedented volume of capital and to lock it in for long periods of time, ways of mitigating the principal–agent problem across continents, and methods to internalize and ...
Juan José Rivas Moreno
wiley   +1 more source

Escobajos de la vid como fuente de compuestos fenólicos con propiedades antioxidantes [PDF]

open access: yes, 2019
Winemaking industry generates considerable amounts of bunch stems that are usually wasted despite their potential value as source of bioactive compounds. Phenolic profiles and antioxidant capacity (AC) of bunch stem extracts from eight grape varieties of
Bottini, Ambrosio Rubén   +2 more
core  

Dos Miradas a la Autenticidad: Nostalgia Sensorial y Nostalgia de Conquista en el Campo Culinario Mexicano de la Ciudad de Nueva York

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 30, Issue 2, June 2025.
ABSTRACT This article analyzes the different expressions of authenticity, fidelity, and genuineness surrounding the Mexican culinary scene in New York. On the one hand, self‐identified Mexicans express sensory and memory nostalgia during the production and consumption of foods they recognize as their own.
Axel G. Elías Jiménez
wiley   +1 more source

Sex and Prisons: Women and Spanish Penitentiary Reform, 1787‐1808

open access: yesJournal for Eighteenth-Century Studies, Volume 42, Issue 4, Page 501-517, December 2019., 2019
Abstract Whereas prisons had previously been thought of as transitory places for those awaiting trial, the new prison system aimed at the reformation of convicts. In Spain the first organisation set up to improve prison conditions was the Señoras de las Cárceles. This article shows how the Señoras attempted to erase the sexual aspect of women's prisons
Elena Serrano
wiley   +1 more source

Screening for extracts with insect antifeedant properties in native plants from central Argentina [PDF]

open access: yes, 2014
Se evaluaron los extractos etanólicos obtenidos de las partes aéreas de 64 plantas de la región Central de Argentina, como antialimentarios de insectos mediante ensayos de elección, contra Epilachna paenulata (Coleoptera: Coccinellidae).
Carpinella, Maria Cecilia   +5 more
core  

Synthesis of a National Soil Dataset Across Productive Land in Mexico: The Importance of Making Existing Data Accessible

open access: yesEuropean Journal of Soil Science, Volume 76, Issue 3, May–June 2025.
ABSTRACT The lack of soil data is a complication that most soil scientists will encounter throughout their career; this critical aspect is exacerbated due to the excessive cost of soil surveying. Consequently, it is essential to develop strategies that guarantee the permanent accessibility of past soil sampling efforts.
Carlos E. Arroyo‐Cruz   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy