Browsing NTNU Open by Author "Rohloff, Jens"
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Analysis of polyphenols and cyclic compounds in plants using derivatization techniques in combination with GC-MS-based metabolite profiling
Rohloff, Jens (Journal article; Peer reviewed, 2015)Metabolite profiling has been established as a modern technology platform for the description of complex chemical matrices and compound identification in biological samples. Gas chromatography coupled with mass spectrometry ... -
«Andre stoffer» – Lecitin fra solsikke. Uttalelse fra faggruppen for tilsetningsstoffer, aroma, matemballasje og kosmetikk
Steffensen, Inger-Lise; Bruzell, Ellen Merete; Granum, Berit; Hetland, Ragna Bogen; Husøy, Trine; Rohloff, Jens; Wicklund, Trude (VKM Report;, Research report, 2017)Faggruppen for tilsetningsstoffer, aroma, matemballasje og kosmetikk, Vitenskapskomiteen for mattrygghet (VKM), har fått i oppdrag av Mattilsynet å risikovurdere «andre stoffer», deriblant lecitin. Siden European Food ... -
Antibiofilm activity of essential oils and plant extracts against Staphylococcus aureus and Escherichia coli biofilms
Mohammadi Bazargani, Mitra; Rohloff, Jens (Journal article; Peer reviewed, 2015)Bacterial biofilms pose health risks in clinical environments, food industry and drinking water systems. Here, we investigated in vitro antibiofilm activities of essential oils (EO) and plant extracts of peppermint (Mentha ... -
Arabidopsis myrosinases link the glucosinolate-myrosinase system and the cuticle.
Ahuja, Ishita; de Vos, RCH; Rohloff, Jens; Stoopen, G; Halle, Kari Krizak; Ahmad, SJN; Hoang, Linh; Hall, RD; Bones, Atle M. (Journal article; Peer reviewed, 2016)Both physical barriers and reactive phytochemicals represent two important components of a plant’s defence system against environmental stress. However, these two defence systems have generally been studied independently. ... -
Comparative analyses of phytochemical variation within and between congeneric species of Epilobium hirsutum and E. parviflorum: contribution of environmental factors
Mohammadi Bazargani, Mitra; Falahati-Anbaran, Mohsen; Rohloff, Jens (Peer reviewed; Journal article, 2021)The plants in Epilobium genus are considered to have several important medicinal properties due to unique chemical composition. Although metabolic profiles of medicinal plants are mainly controlled by genetic factors, their ... -
Comparative analysis of essential oil and different extracts of Ajuga chamaecistus ssp. scoparia on antibacterial activity
Mohammadi-Bazargani, Mitra; Rohloff, Jens; Atapour, Maryam (Journal article; Peer reviewed, 2017)Antibacterial activities of essential oils (EO) and different plant extracts obtained from the aerial parts of Ajuga chamaecistus ssp. scopria were investigated under in vitro condition. Minimum inhibitory concentration ... -
Cultivation of Herbs and Medicinal Plants in Norway - Essential Oil Production and Quality Control
Rohloff, Jens (Doctoral thesis, 2003)Essential oils (EO) are plant secondary metabolites that are known for their fragrance and food flavour properties. They consist of a complex mixture of mono- and sesquiterpenes, phenyl propanoids and oxygenated compounds. ... -
Dehydrin, alcohol dehydrogenase, and central metabolite levels are associated with cold tolerance in diploid strawberry (Fragaria spp.)
Davik, Jahn Eldar; Koehler, Gage; From, Britta; Torp, Torfinn; Rohloff, Jens; Eidem, Petter; Wilson, Robert; Sønsteby, Anita; Randall, Stephen K,; Alsheikh-Yousef, Muath (Journal article; Peer reviewed, 2013)The use of artificial freezing tests, identification of biomarkers linked to or directly involved in the low-temperature tolerance processes, could prove useful in applied strawberry breeding. This study was conducted to ... -
Effect of the Manufacturing Process on the Microbiota, Organoleptic Properties and Volatilome of Three Salmon-Based Products
Wiernasz, Norman; Gigout, Frederique; Cardinal, Mireille; Cornet, Josiane; Rohloff, Jens; Courcoux, Philippe; Vigneau, Evelyne; Skírnisdóttir, Sigurlaug; Passerini, Delphine; Pilet, Marie-France; Leroi, Francoise (Peer reviewed; Journal article, 2021)Lightly preserved seafood products, such as cold-smoked fish and fish gravlax, are traditionally consumed in Europe and are of considerable economic importance. This work aimed to compare three products that were obtained ... -
Effects of storage and heat treatment on metabolism and quality of fresh tomato and potato
Skrutvold, Eline (Master thesis, 2014)Potato and tomato are two highly consumed vegetables in Norway as well as throughout the rest of the world, with high consumer demands of sensory and nutritional quality. In addition to being sold fresh, a large use for ... -
Effects of Temperature and Photoperiod on Yield and Chemical Composition of Northern and Southern Clones of Bilberry (Vaccinium myrtillus L.)
Uleberg, Eivind; Rohloff, Jens; Jaakola, Laura; Trost, Kajetan; Junttila, Olavi; Häggman, Hely; Martinussen, Inger (Journal article; Peer reviewed, 2012)After pollination outdoors individual bilberry plants from two Northern and two Southern clones were studied for climatic effects on berry yield and quality in a controlled phytotrone experiment at 12 °C and 18 °C. At each ... -
Essential oil and biodiversity study of Securidaca longipedunculata
Bahta, Teklebrihan Lijalem (Master thesis, 2017)securidaca is oil plant -
General principles for the risk assessment of “other substances” in food supplements and energy drinks. Report of the Panel on Food Additives, Flavourings, Processing Aids, Materials in Contact with Food and Cosmetics and the Panel on Nutrition, Dietetic Products, Novel Food and Allergy of the Norwegian Scientific Committee for Food Safety
Bruzell, Ellen Merete; Granum, Berit; Hetland, Ragna Bogen; Husøy, Trine; Rohloff, Jens; Wicklund, Trude; Frøyland, Livar; Haugen, Margaretha; Holvik, Kristin; Løvik, Martinus; Strand, Tor A; Tell, Grethe S.; Vaktskjold, Arild; Iversen, Per Ole; Steffensen, Inger-Lise (VKM Report;, Research report, 2015) -
Genetic and Phytochemical diversity in Bilberry (Vaccinium myrtillus) from a limited Geographical Area
Ytterdal, Irene Beatrice (Master thesis, 2011)In Norway today no commercial exploitation of the wild growing Norwegian bilberry (Vaccinium myrtillus) exists. The market in other regions of Europe, North- and South-America is based on the utilization of cultivated ... -
Hazard assessment of glycyrrhizic acid from liquorice
Steffensen, Inger-Lise; Mathisen, Gro Haarklou; Bruzell, Ellen Merete; Granum, Berit; Rohloff, Jens; Hetland, Ragna Bogen (VKM report;, Research report, 2018) -
Influence of dairy farming method and other production factors on lipid metabolism and quality parameters of cow's milk
Nguyen, Hoang Phuong Trinh (Master thesis, 2015)Organic milk has been popularly developed in western dairy industry. This milk was believed to bring better health benefits than conventional milk and thus, receiving high attention from consumers in recent years. The ... -
Integrative “omic” analysis reveals distinctive cold responses in leaves and roots of strawberry, Fragaria × ananassa ‘Korona’
Koehler, Gage; Rohloff, Jens; Wilson, Robert Charles; Kopka, Joachim; Erban, Alexander; Winge, Per; Bones, Atle M.; Davik, Jahn; Alsheikh, Muath K; Randall, Stephen K, (Journal article; Peer reviewed, 2015-10)To assess underlying metabolic processes and regulatory mechanisms during cold exposure of strawberry, integrative “omic” approaches were applied to F. ananassa ‘Korona’. Analysis of leaf tissue was emphasized because of ... -
Interaction of soyasaponins with plant ingredients in diets for Atlantic salmon, Salmo salar L
Chikwati, Elvis M; Venold, Fredrik Føllesdal; Penn, Michael; Rohloff, Jens; Refstie, Ståle; Guttvik, Arne; Hillestad, Marie; Krogdahl, Åshild (Journal article; Peer reviewed, 2012)The effects of combining soyasaponins with plant ingredients on intestinal function and fish health were investigated in an 80 d study with Atlantic salmon (270 g) distributed thirty each into twenty-four tanks with seawater. ... -
Large Scale Geographical Mapping of Essential Oil Volatiles in Heracleum (Apiaceae): Identification of Novel Compounds and Unraveling Cryptic Variation
Falahati-Anbaran, Mohsen; Mohammadi Bazargani, Mitra; Rohloff, Jens (Journal article; Peer reviewed, 2018)Conspecific populations of plants in their native range are expected to show considerable variation due to long‐term ecological and evolutionary factors. We investigated the levels of secondary metabolites in Heracleum ... -
Light and Temperature Effects on Metabolite Concentration in Selected Herbs and Microgreens
Høyen, Begangancha Emilia (Master thesis, 2017)Increasing evidence from epidemiological studies has shown that vegetable consumption is an important determinant of health. These health benefits are attributed to the presence of phytochemicals in these vegetables or ...