Results 21 to 30 of about 93,949 (222)
Capacidade antioxidante de frutas [PDF]
Aqueous and acetone extracts from 15 fruits have been screened for antioxidant activity using DPPH method and s-carotene/linoleic acid model. All fruits studied showed antioxidant activity, but in different extent. Acerola, cashew-apple, papaya "formosa", papaya "solo", orange and guava showed the higher antioxidant activity (>;70%) in DPPH method ...
Melo, Enayde de Almeida +3 more
openaire +3 more sources
The preparation of structured triacylglycerols sn-1, sn-3 dilauryl, sn-2 eicosapentaenoyl glycerol and sn-1, sn-3 dilauryl, sn-2 docosahexaenoyl glycerol by enzymatic interesterification under restricted water availability is described.
Susana Nieto +2 more
doaj +1 more source
Natural antioxidants in functional foods: from food safety to health benefits
Oxygen is essential for metabolism but it may be highly damaging for both organisms and foods unless properly controlled. Among uncontrolled detrimental processes lipid oxidation (or oxidative rancidity) is one of the most relevant.
Alfonso Valenzuela B +2 more
doaj +1 more source
Licopeno como agente antioxidante [PDF]
Este trabalho constitui uma revisão de dados científicos sobre o consumo de licopeno e sua ação como fator antioxidante. O licopeno é considerado o carotenóide que possui a maior capacidade seqüestrante do oxigênio singlete. Radicais livres agem continuamente no organismo, podendo desencadear danos celulares e serem os responsáveis pelo desenvolvimento
Shami, Najua Juma Ismail Esh +1 more
openaire +3 more sources
Docosahexaenoic acid (DHA) is supplied to the foetus and newborn through the mother from their own reserves and their diet. No consensus about the best form to supplement DHA has been established.
A. Valenzuela +5 more
doaj +1 more source
Amino acid chalcogen analogues as tools in peptide and protein research
Although the chemistry of the chalcogen members oxygen, sulfur, selenium, and the metalloid tellurium are closely intertwined, the respective physicochemical aspects differ significantly imparting specific properties to the chalcogen‐containing side chains of proteinogenic and synthetic amino acids.
Luis Moroder, Hans‐Jürgen Musiol
wiley +1 more source
Jaboticaba (Plinia trunciflora (O. Berg) Kausel) is a Brazilian native berry, which presents high levels of polyphenols. Here we provide data related to the effects of the polyphenols-rich extract from jaboticaba on the cell viability, mitochondrial ...
Caroline Calloni +3 more
doaj +1 more source
Capacidade antioxidante da própolis [PDF]
A própolis é uma substância resinosa coletada de diversas partes das plantas por abelhas e misturada à cera, pólen e secreções salivares. Sua composição é complexa e está relacionada, principalmente, às características da vegetação de cada região. Trinta e três amostras de própolis foram coletadas em quatro regiões brasileiras (Nordeste, Sudeste, Sul e
De-Melo, Adriane Alexandre Machado +4 more
openaire +2 more sources
Cholesterol metabolism: increasingly complex
Cholesterol is an important molecule; it is necessary for the biosynthesis of steroidal hormones, bile salts and to maintain the stability of biological membranes in animal cells.
J. Sanhueza +2 more
doaj +1 more source
Diferentes métodos de escaldado y su aplicación en frutas y verduras
El escaldado como pretratamiento en diversos procesos de transformación alimentaria en productos de consumo masivo ha demostrado ser eficaz tanto para garantizar la inocuidad como para mantener o incrementar los compuestos bioactivos.
Jaime Andres Tigreros +3 more
doaj +1 more source

