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Food properties affecting the digestion and absorption of carbohydrates

Carbohydrate foods differ considerably in their effects on postprandial glucose and insulin responses. Qualitative differences among starchy foods are particularly intriguing because of the dominance of starch in human diets. This paper focuses on food properties in cereal (eg, pasta, bread, Arepas, and porridge) and legume products (eg, red kidney beans and lentils) that affect metabolic response

Effect of Processing on Blood Glucose and Insulin Responses to Starch in Legumes

Postprandial glycemic and insulinemic responses to variously processed red kidney beans were evaluated in normal subjects. The dried seeds were (a) boiled; (b) autoclaved; (c) boiled, freeze-dried, and milled to obtain a precooked flour (PCF) rich in cell-enclosed starch; or (d) milled, steam-cooked, and freezedried to yield a flour containing free starch (FSF). All bean products elicited lower me

In vitro Digestibility of Cereal and Legume (Phaseolus vulgaris) Starches by Bovine, Porcine and Human Pancreatic α‐Amylases : Effect of Dietary Fiber

The effect of heat treatment and dietary fiber from whole and dehulled black bean (Phaseolus vulgaris) seeds on digestibility of various starches by bovine, porcine and human pancreatic α‐amylases was studied. Corn, rice, wheat and black bean starch digestibility increased after heating. The degree of hydrolysis of black bean starch ranged between 56 and 83% of the values obtained for cereal starc

Point of no return – absence of returning birds in the otherwise philopatric willow warbler Phylloscopus trochilus

The return of individual birds to a specific area in successional years, i.e. philopatry, is a remarkable behavioural trait. Here we report on the remarkably reversed: the complete absence of returning individuals of a migratory passerine with otherwise pronounced philopatry. At a high latitude study site in Abisko (68°32ʹN, 18°80ʹE) in northern Sweden none of the banded adult willow warblers Phyl

Urban Living Laboratories : Conducting the Experimental City?

The recent upsurge of interest in the experimental city as an arena within and through which urban sustainability is governed marks not only the emergence of the proliferation of forms of experimentation – from novel governance arrangements to demonstration projects, transition management processes to grassroots innovations – but also an increasing sensibility amongst the research community that u

Chemical composition, carbohydrate digestibility, and antioxidant capacity of cooked black bean, chickpea, and lentil Mexican varieties Composición química, digestibilidad de carbohidratos, y capacidad antioxidante de variedades mexicanas cocidas de frijol negro, garbanzo, y lenteja

The consumption of legume seeds in developing countries is very important because of their low cost and valuable nutritional characteristics (high protein, digestible and indigestible carbohydrates, and polyphenols content). However, limited information is available on the indigestible carbohydrates and the antioxidant capacity of legumes growing in Mexico. The cooked seeds of three Mexican pulses

Physicochemical and functional properties of cross-linked banana resistant starch. effect of pressure cooking

A resistant starch (RS)-rich powder was prepared from phosphate cross-linked banana starch. Serial autoclaving and cooling treatments of this cross-linked material were also made. The powders were evaluated for chemical composition, resistant starch content, thermal characteristics, as well as for swelling and solubility properties. The parental cross-linked starch had similar lipid and protein co

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Extrusion is used to produce crunchy expanded foods, such as snacks. The nutritional impact of this process has not been studied sufficiently. In this study, in vitro and in vivo protein and starch bioavailability was evaluated in both raw and extruded corn (Zea mays)(C) and lima bean (Phaseolus lunatus)(B) flour blends, prepared in 75C/25B and 50C/50B (p/p) proportions. These were processed with

Chemical composition and starch digestibility of tortillas prepared with non-conventional commercial nixtamalized maize flours

Non-conventional nixtamalized maize flours elaborated by a factory in Mexico were used for tortilla preparation. Tortillas were stored at 4°C for up to 72 h and the total starch, available starch, resistant starch and retrograded resistant starch were assessed. The traditional white tortilla, used as a control, showed higher protein and fat contents than blue maize tortilla, whereas a maize-bean m

Resistant starch-rich powders prepared by autoclaving of native and lintnerized banana starch : Partial characterization

Powdered preparations enriched in resistant starch (RS) were obtained from native and lintnerized (prolonged acid treatment) banana starches by consecutive autoclaving/cooling treatments. The preparations were tested for indigestible starch content, swelling and solubility properties, thermal analysis and pasting profile. The autoclaved samples had higher RS content than their parental counterpart

Effect of storage time on in vitro digestibility and resistant starch content of nixtamal, masa, and tortilla

Nixtamal, masa, and tortilla samples were stored for 24-96 hr and their chemical composition, retrogradation, and in vitro starch digestibility features were evaluated. Ash and fat contents in the three products were smaller than in the original corn sample, but protein levels were higher, all in accordance with previous studies. In general, a minor decrease in available starch (AS) content was ob

The effect of peritoneal dialysis on labor market outcomes compared with institutional hemodialysis

BACKGROUND: The aim of this study is to compare the impact of peritoneal dialysis (PD) and institutional hemodialysis (IHD), the 2 most common dialysis modalities, on employment, work income, and disability pension in Sweden.METHODS: Included in this study were 4,734 patients in IHD and PD, aged 20 - 60 years, starting treatment in Sweden during 1995 - 2012, and surviving the first year of dialysi