Search for dissertations about: "vegetable"

Showing result 1 - 5 of 112 swedish dissertations containing the word vegetable.

2. 1. Supercritical Hydrogenation of Vegetable Oils

   Author : Maj-Britt Macher; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; palladium catalyst; supercritical; hydrogenation; silver ion HPLC; rapeseed oil; fatty acid methyl ester; trans fatty acid; palm oil; deactivation; propane;

   Abstract : Vegetable oils were hydrogenated in a supercritical single-phase mixture with propane and hydrogen. The reaction was carried out in a small (0.5 ml) fixed-bed reactor and the influence of different process parameters was investigated. READ MORE

4. 2. Low-hanging fruit : Measures to reduce fruit and vegetable waste at supermarkets

   Author : Lisa Mattsson; Helén Williams; Casper Boks; Karlstads universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; food waste; retail; supermarket; fruit and vegetable; causes; measures; employees; Miljö- och energisystem; Environmental and Energy Systems;

   Abstract : More than 30 percent of the food produced for human consumption is lost or wasted globally. This leads to a significant environmental impact in terms of inefficient use of natural resources, as well as economic costs and social and moral issues. READ MORE

5. 3. Green plasticizers for PVC - An investigation of renewable alternatives to phthalates derived from vegetable oils or wood industry products

   Author : Anna Bondeson; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; PVC; Epoxidized vegetable oils; Crosslinking; Plasticizer; Heat ageing; Lignin.; Tall oil fatty acid;

   Abstract : Polyvinyl chloride (PVC) is a very versatile thermoplastic because of its ability to solve a broad range of different concentrations of plasticizer. Phthalates are still the most commonly used plasticizer in PVC, but due to public opinion and legislation against phthalates there is a demand in the market for both old and new phthalate free plasticizersProperties of epoxidized oils of soybean (ESBO), canola (ECO), sunflower (ESFO) and safflower (ESAO) were investigated to determine their suitability as plasticizers. READ MORE

6. 4. The intestinal epithelium of salmonids : transepithelial transport, barrier function and bacterial interactions

   Author : Fredrik Jutfelt; Göteborgs universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Epithelial barrier function; smoltification; cortisol; osmoregulation; Aeromonas salmonicida; Atlantic salmon; rainbow trout; bacterial translocation; intestine; Ussing chamber; vegetable lipids;

   Abstract : The salmonid intestinal epithelium is important for growth and health of the fish. The epithelium is exposed to a multitude of internal and external factors that can influence its function. READ MORE

7. 5. Prevalence and Correlates of Health Risk Behaviors among High School Adolescents in Iran : With focus on Water-pipe Smoking, Suicide Ideation, Physical Activity and Nutrition

   Author : Reza Ziaei; Eija Viitasara; Reza Mohammadi; Mittuniversitetet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Global Youth Tobacco Survey; High school students; Iran; Waterpipe hookah smoking; Student health; Suicide ideation; Global School- Based Student Health Survey; Physical activity; Physical inactivity; Sedentary behavior; Fruit intake; Vegetable intake.;

   Abstract : Background: Adolescence is a transitional stage from childhood into adulthood and many habits, with long-term implications for health, from this period of life can continue into adulthood. Identifying risk factors related to health risk behaviors is therefore an important part of health promotion. READ MORE