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Lennernäs, Maria
Publications (4 of 4) Show all publications
Holmbäck, U., Forslund, A., Forslund, J., Hambraeus, L., Lennernäs, M., Lowden, A., . . . Åkerstedt, T. (2002). Metabolic responses to nocturnal eating in men are affected by sources of dietary energy. Journal of Nutrition, 132(7), 1892-1899
Open this publication in new window or tab >>Metabolic responses to nocturnal eating in men are affected by sources of dietary energy
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2002 (English)In: Journal of Nutrition, ISSN 0022-3166, E-ISSN 1541-6100, Vol. 132, no 7, p. 1892-1899Article in journal (Refereed) Published
Abstract [en]

Because night work is becoming more prevalent, we studied whether feeding at different times of a 24-h period would elicit different metabolic responses and whether dietary macronutrient composition would affect these responses. Seven men (26-43 y, 19.9-26.6 kg/m(2)) consumed two isocaloric diets, in a crossover design. The diets were a high carbohydrate (HC) diet [65 energy % (E%) carbohydrates, 20E% fat] and a high fat (HF) diet (40E% carbohydrates, 45E% fat). After a 6-d diet-adjustment period, the men were kept awake for 24 h and the food (continuation of respective diet) was provided as six isocaloric meals (i.e., every 4 h). Energy and substrate turnover, heart rate, mean arterial pressure (MAP), blood glucose, triacylglycerol (TAG), nonesterified fatty acid (NEFA) and glycerol were measured throughout the 24-h period. Significantly higher energy expenditure and NEFA concentration, and lower blood glucose and TAG concentrations were observed when the men consumed the HF diet than when they consumed the HC diet. Significant circadian patterns were seen in body and skin temperature (nadir, 0400-0500 h). When the men consumed the HF diet, significant circadian patterns were seen in fat oxidation (nadir, 0800-1200 h; plateau, 1200-0800 h), heat release (nadir, 0800-1200 h; plateau, 1600-0800 h), heart rate (nadir, 0000 h), blood glucose (nadir, 0800-1200 h; peak, 0000-0400 h), NEFA (nadir, 0800-1200 h; peak, 1200-2000 h) and TAG (nadir, 0800-1200 h; peak, 0400-0800 h) concentrations. Energy expenditure, carbohydrate oxidation, MAP and glycerol concentration did not display circadian patterns. Unequal variances eradicated most circadian effects in the HC-diet data. The increased TAG concentration in response to feeding at 0400 h might be involved in the higher TAG concentrations seen in shift workers. Distinct macronutrient/circadian-dependent postprandial responses were seen in most studied variables.

Place, publisher, year, edition, pages
The American Society for Nutritional Sciences, 2002
Keywords
circadian, macronutrient, triacylglycerols, postprandial, meal, substrate utilization
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:uu:diva-64568 (URN)12097665 (PubMedID)
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-11-30Bibliographically approved
Lennernäs, M., Fjellström, C., Becker, W., Giachetti, I., Schmitt, A., Remaut de Winter, A. & Kearney, M. (1997). Influences on food choice perceived to be important by nationally-representative samples of adults in the European Union. European Journal of Clinical Nutrition, 51(Suppl. 2), S8-S15
Open this publication in new window or tab >>Influences on food choice perceived to be important by nationally-representative samples of adults in the European Union
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1997 (English)In: European Journal of Clinical Nutrition, ISSN 0954-3007, E-ISSN 1476-5640, Vol. 51, no Suppl. 2, p. S8-S15Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The purpose of this baseline survey was to obtain comparable data on perceived influences on food choice from EU member countries as the starting point for EU healthy eating promotion campaigns and programmes.

DESIGN: A cross-sectional study in which quota-controlled, nationally-representative samples of approximately 1000 adults from each country completed a face-to-face interview-assisted questionnaire.

SETTING: The survey was conducted between October 1995 and February 1996 in the 15 member states of the European Union.

SUBJECTS: 14331 subjects (aged 15 y upwards) completed the questionnaire. Data were weighted by population size for each country and by sex, age and regional distribution within each member state.

RESULTS: The five most important factors influencing consumers food choice were 'quality or freshness' (74%), 'price' (43%), 'taste' (38%), 'trying to eat healthy' (32%) and 'family preferences' (29%). Subjects in different categories (age, sex, education and employment status) selected different factors as having major influence on their food choice. Demographic factors seemed to have greater effects on perceived influences than culture (country): 'quality/freshness', 'price', 'trying to eat healthy', 'family preferences' seemed to be most important in women, 'taste' and 'habit' in males. Females and older and more educated subjects were more likely than other subjects to select 'trying to eat healthy' as having a major influence. 'Price' seemed most important in unemployed and retired subjects.

Keywords
food choice, influences, health, nutrition, culture
National Category
Food Science
Identifiers
urn:nbn:se:uu:diva-57961 (URN)9222718 (PubMedID)
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-12-01Bibliographically approved
Wissing, U., Unosson, M., Lennernäs, M. & Ek, A. C. (1997). Nutritional intake and physical activity in leg ulcer patients. Journal of Advanced Nursing, 25(3), 571-578
Open this publication in new window or tab >>Nutritional intake and physical activity in leg ulcer patients
1997 (English)In: Journal of Advanced Nursing, ISSN 0309-2402, E-ISSN 1365-2648, Vol. 25, no 3, p. 571-578Article in journal (Refereed) Published
Abstract [en]

The aim of the study was to describe the nutritional intake, meal patterns, physical activity and need for help in nine women living in their own homes and being treated for venous leg ulcers. Food habits were identified by use of interviews and food diaries completed by the women during a period of seven days. The intake of energy and nutrients from 304 eating events during seven days was calculated and meal patterns were evaluated using a qualitative system for meal classification. Physical activity and the degree of need were identified with the help of interviews. The intakes of energy and key nutrients for wound healing, such as protein, vitamin C and zinc, were not optimal according to the Swedish nutrition recommendations, although food habits were well organized. Most of the women had hardly any physical activities and the need of help and support varied, from daily visits to visits every second week.

National Category
Food Science
Identifiers
urn:nbn:se:uu:diva-209397 (URN)10.1046/j.1365-2648.1997.1997025571.x (DOI)9080285 (PubMedID)
Available from: 2013-10-18 Created: 2013-10-18 Last updated: 2017-12-06Bibliographically approved
Becker, W., Lennernäs, M., Gustafsson, I.-B., Haraldsdottir, J., Nydahl, M., Vessby, B. & Ytterfors, A. (1996). Precoded or weighed food records for measuring dietary habits in a population of Swedish adults. I Food intake..
Open this publication in new window or tab >>Precoded or weighed food records for measuring dietary habits in a population of Swedish adults. I Food intake.
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1996 (English)Report (Other academic)
Series
Abstract till 4:e Nordiska näringslärakonferensen, Göteborg juni 1996
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:uu:diva-28909 (URN)
Available from: 2008-06-08 Created: 2008-06-08 Last updated: 2018-09-10
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