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Lípidos [PDF]

open access: yes, 2022
Es un documento donde se muestra de manera de ilustrada las generalidades y las reacciones de interés del tema de lípidos. Se recomienda el uso de este material para amenizar la claseDocumento de pp que aborda de manera sencilla e ilustrada las ...
Bernal, Martha Elena
core  

Preparation of sn-2 long-chain polyunsaturated monoacylglycerols from fish oil by hydrolysis with a stereospecific lipase from mucor miehei

open access: yesGrasas y Aceites, 1999
The preparation of sn-2 eicosapentaenoyi glycerol and sn-2 docosahexaenoyi glycerol by the hydrolysis of fish oil by the sn-1, sn-3 stereo-specific immobilised lipase (Lipozyme IM-20) from mucor miehei is described.
Susana Nieto   +3 more
doaj   +1 more source

The adipose tissue: something more than a reservoir of energy

open access: yesGrasas y Aceites, 2009
Adipose tissue is a reservoir of energy and also an organ that contributes to the aesthetics and health of human body working as an endocrine tissue. White adipose tissue, which is formed by unilocular adipose cells, can modify organic homeostasis by ...
Alfonso Valenzuela B, Julio Sanhueza C
doaj   +1 more source

Trans fatty acid isomers from hydrogenated fats: The controversy about health implications

open access: yesGrasas y Aceites, 1995
Wherever there is a double bond in a fatty acid, there is also a possibility for isomerization. Under partial hydrogenation triacylglycerols composing oils'double bonds may change from cis to trans configuration, therefore products derived from ...
Alfonso Valenzuela   +2 more
doaj   +1 more source

Hydrolysis of coconut oil (Cocos nucífera L.) by specificity and no positional specificity enzimes.

open access: yesGrasas y Aceites, 1997
The characteristic fatty acid composition of coconut oil provides mainly short- and medium- chain fatty acids when incorporated to the diet. These fatty acids have nutritional advantages because their metabolic disposition allows the rapid obtention of ...
R. Rodríguez   +3 more
doaj   +1 more source

A Widely Distributed Thraustochytrid Parasite of Diatoms Isolated from the Arctic Represents a gen. and sp. nov.

open access: yesJournal of Eukaryotic Microbiology, Volume 67, Issue 4, Page 480-490, July/August 2020., 2020
Abstract A unicellular, heterotrophic, eukaryotic parasite was isolated from nearshore Arctic marine sediment in association with the diatom Pleurosigma sp. The parasite possessed ectoplasmic threads that could penetrate diatom frustules. Healthy and reproducing Pleurosigma cultures would begin to collapse within a week following the introduction of ...
Brandon T. Hassett
wiley   +1 more source

Lípidos de biomembranas [PDF]

open access: yes, 2008
A l presente no hay una definición del término lípido que sea aceptada universalmente, en general se describe a los lípidos como sustancias de origen natural que son solubles en solventes orgánicos como el Cl3CH, éter dietílico, hexanos y alcoholes. Este
Cravero, Raquel Maria   +2 more
core   +1 more source

Synthesis of structured triacylglycerols containing medium-chain and long-chain fatty acids by interesterification with a stereoespecific lipase from Mucor miehei.

open access: yesGrasas y Aceites, 1999
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

Testosterona y homicidio: aspectos neuroendocrinos de la agresión

open access: yesRevista de la Facultad de Medicina, 2020
Introducción. Las tasas de homicidio, suicidio y agresión son mayores en el sexo masculino; la testosterona podría desempeñar un papel importante en el desarrollo de estos comportamientos. Objetivo.
Paula Fernanda Delgado   +5 more
doaj   +1 more source

Natural antioxidants in functional foods: from food safety to health benefits

open access: yesGrasas y Aceites, 2003
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

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