Results 111 to 120 of about 60,142 (307)

Electromembrane Extraction for Multiclass Pesticide Assessment in Soil Matrices: Sustainable Analytical Insights

open access: yesAnalysis &Sensing, EarlyView.
The U‐shaped electromembrane extraction with liquid chromatography‐mass spectrometry enables rapid multiclass pesticide screening in soil. The 15 min, low‐solvent workflow achieves high recoveries and robust linearity, while AGREEprep and GAPI assessments highlight a greener profile compared to literature reports, which represents a smart strategy for ...
Rafael O. Martins   +9 more
wiley   +1 more source

Representações sociais dos alimentos sob a ótica de pessoas com diabetes mellitus

open access: yesInteramerican Journal of Psychology, 2011
This descriptive and qualitative study investigates the social representations of food of individuals with type 2 diabetes mellitus. The Social Representations Theory was used as theoretical and methodological framework.
Camila Rezende Pimentel Ribas   +2 more
doaj  

Radium Speciation in Simulated Digestive Biofluids: Insights from Electrospray Ionization Mass Spectrometry and Thermodynamic Modeling

open access: yesAnalysis &Sensing, EarlyView.
Electrospray ionization mass spectrometry (ESI‐MS) combined with thermodynamic modeling provides the first direct characterization of radium speciation in synthetic gastrointestinal biofluids. Free Ra2+ ions predominate with minimal protein binding and negligible EDTA complexation. Crown ethers enable effective Ra complexation.
Linus Holtmann   +5 more
wiley   +1 more source

Situation and challenges of the Mexicana organic sector [PDF]

open access: yes, 2011
For Mexico, organic farming is a feasible option, given the goodness it offers the country, since it is linked to the geography of poverty, mainly with small-scale farmers with surfaces below 3 ha, 22 indigenous groups, and 35% of women responsible for ...
Gomez Cruz, Manuel Angel   +2 more
core  

Motivations to consume ecological foods in alternative food networks (AFNs) in southern Spain [PDF]

open access: yes, 2019
Purpose The purpose of this paper is to identify the motivations to consume ecological foods in alternative food networks (AFNs). Design/methodology/approach In total, 150 questionnaires were applied; the questionnaire was adapted from Food Choice
Aguilar-Criado, Encarnación   +4 more
core   +2 more sources

Comparison of a short version of the Food Frequency Questionnaire with its long version - a cross-sectional analysis in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil)

open access: yesSão Paulo Medical Journal
CONTEXT AND OBJECTIVE: The food frequency questionnaire (FFQ) is the preferred instrument for obtaining dietary information in epidemiological studies.
Livia Welter Mannato   +5 more
doaj   +1 more source

Brazil Nut Flour as a Functional Ingredient: Effects on Texture, Composition and Sensory Profile of Reduced‐Sugar Gluten‐Free Cookies

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
Graphical abstract of the characterization of Brazil nut flour (BNF) and the impact of its addition on the nutritional and sensory properties of gluten‐free and low‐sugar cookies. The results show that BNF contributed to an improved nutritional quality of the cookies and enhanced overall product acceptance.
Ana Luísa Schiessl Fabri   +5 more
wiley   +1 more source

Organic Animal Husbandry in South America and Caribbean [PDF]

open access: yes, 2014
In the last decade, organic livestock has undergone major developments, especially in southern Latin America. The control of parasites and pathogenic microorganisms presents good results with actions that include adequate management, rustic breeds and ...
ESCOSTEGUY1, ANGELA
core  

The consumption of unhealthy foods by Brazilian children is influenced by their mother’s educational level [PDF]

open access: yes, 2014
Objective: To evaluate the association between the consumption of unhealthy foods in children under one year and the education level of the mothers, data obtained from participants of the II Survey on the prevalence of breastfeeding in the Brazilian ...
Ana Lucia da Silva Castro   +5 more
core   +2 more sources

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