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Registros recuperados: 18
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Anwendung einer an Möhren und Weizen standardisierten Biokristallisation auf Äpfel und Aloe vera Organic Eprints
Kahl, J.; Busscher, N.; Mergardt, G.; Ploeger, A..
The biocrystallization method was standardised on carrot and wheat. With the standardised method samples from different farming systems could be successfully discriminated. For this paper, we investigated to what degree the standardised method can be adapted to other product classes like apples or Aloe vera. We found, that the sample preparation procedures must be developed for each new product whereas the conditions for the steps evaporation and crystallization as well as the evaluation of the patterns could be directly transferred. The variability as well as the factors of influence could be compared to those found on carrot and wheat samples.
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14184/1/Kahl_14184.pdf
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Assessment of processing technologies which may improve the nutritional composition of dairy products – Overview of progress Organic Eprints
Rehberger, B.; Bisig, W.; Eberhard, P.; Mallia, S.; Piccinali, P.; Schlichtherle-Cerny, H.; Wyss, U.; Busscher, N.; Kahl, J.; Roose, M.; Ploeger, A..
Among consumers there is a growing demand for food products with a natural nutritional-physiological advantage over comparable conventional products. As part of an EU funded project, ALP is examining the possible impact of processing on nutritionally valuable milk components, using the example of conjugated linoleic acids (CLA). The extent to which processing influences the CLA content of the end product was determined by literature research and own investigations of organic and conventional butter. Furthermore, new chemical, sensory-based and bio crystallization methods were evaluated by ALP and the University of Kassel to determine the oxidation stability of butter. In a further step the storage stability of CLA enriched and conventional butter was...
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health Processing; Packaging and transportation.
Ano: 2007 URL: http://orgprints.org/10119/1/Rehberger%2Detal%2D2007%2DProcessingTechnologiesOverview.pdf
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Authentizität und Sicherheit von Möhrenproben im Rahmen des CORE-Organic QACCP Projektes Organic Eprints
Kahl, J.; Birlouez, I.; Busscher, N.; Ploeger, A..
Consumer demand for healthy, safe and high quality food is increasing. Against this background, the demand for organically grown food has been growing rapidly. Organic farming contains the whole food chain from field to fork. An analyse system to optimise the process needs to be established (QualityAnalysisCriticalControlPoint). The aim of the transnational CORE-Organic QACCP project is a chain analysis which addresses the link between farm and fork and backwards from fork to farm. The objective is to improve product related quality management in farming and processing. The results presented here are dealing with food authenticity on farm level through biocrystallization measurements and food safety through pesticide residue and nitrate...
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14187/1/Kahl_14187.pdf
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Can Functional Food and Organic Food be Supporting Concepts in Europe? Organic Eprints
Bügel, Susanne; Almer, Kamille; Zalecka, A.; Ploeger, A.; Huber, Machteld; Kahl, J..
Poster IUNS 20st International Congress of Nutrition. Functional and organic food belong to fast growing segments of the European food market. The question is whether organic food can also be a functional food. The conclusion is that functional food and organic food are competing rather than supporting concepts in Europe.
Tipo: Conference paper, poster, etc. Palavras-chave: "Organics" in general.
Ano: 2013 URL: http://orgprints.org/26252/1/2883.pdf
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Definition, Sicherung und Kommunikation Ökologischer Produktqualität - Betrachtungen am Beispiel des Tafelapfels Organic Eprints
Thymian, F.-J.; Kahl, J.; Busscher, N.; Ploeger, A..
Organic production standards are used by actors along the organic production and supply chain as measures for quality assurance and tools for communication and differentiation of organic product and process quality. The results of a literature review show that the main aspects of organic product quality are not considered by the most significant standards for organic production in Germany and hence, these standards are not appropriate measures for the above mentioned purposes.
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14178/1/Thymian_14178.pdf
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Einsatz der Mikroverkapselungsverfahren in der Ökolebensmittelverarbeitung am Beispiel von mikroverkapselten Probiotika Organic Eprints
Aminoforoughi, M.; Kahl, J.; Ploeger, A..
Microencapsulation is a technique by which sensitive ingredients are entrapted in thin polymeric matrix or coats. Microcapsule contents or „core“ materials are generally protected from adverse environmental conditions. Microencapsulation in the food industry can be used by every class of food ingredient. The microencapsulation of probiotics, the live microbial food supplements, is developing since the past decade. However many promised positive effects of probiotics are not yet proved scientifically. Furthermore research on the effects of the probiotic bacteria and the microencapsulation techniques is needed. This work aimed at just observing the adverse effects of the microencapsulation techniques (e.g. by probiotics). Due to this, there is a...
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14176/1/Aminforoughi_14176.pdf
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Fluorescence-based concept of Naturalness applied to organic processed fruit and vegetables Organic Eprints
Bardeau, F.; Rizkallah, J.; Acharid, A.; Sivault, S.; Neugnot, B.; Kahl, J.; Birlouez, E.; Birlouez, I..
Background: According to the European regulation N°834/2007, processing of organic food should preserve the essential qualities of the fresh raw material. Thus, assessment of processed food quality should include verification of the absence of additives and contaminants and preservation of the sensorial, nutritional and health values of the raw material. In this paper, a quantifiable concept of naturalness measuring global quality loss due to processing and storage of raw organic material is proposed. This indicator is based on Front face fluorescence; a global and sensitive technique able to assess in real time and non-destructively these various dimensions of the food quality. Results: A strong relationship between the naturalness levels estimated...
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health Processing; Packaging and transportation.
Ano: 2011 URL: http://orgprints.org/19475/1/Bardeau_submitted_19475_Journal_Paper.pdf
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Ganzheitliche Untersuchungsmethoden zur Erfassung und Prüfung der Qualität ökologischer Lebensmittel: Stand der Entwicklung und Validierung Organic Eprints
Meier-Ploeger, A.; Kahl, J.; Busscher, N.; Mergardt, G.; Strube, J.; Mende, G.; Negendank, C.; Stolz, P.; Böhm, B.; Köhl-Gies, B.; Staller, B.; Merschel, M.; Werries, A.; Rahmann, G.; Weirauch, K.; Treutter, D.; Degert, A.; Kromidas, S..
In dem wachsenden Markt ökologischer Lebensmittel werden Methoden zur produktorientierten Qualitätserfassung gefordert. Dabei geht es u.a. um die Unterscheidung von Produkten aus unterschiedlichen Anbauverfahren. Die Ziele des Projektes waren daher: 1. ausgewählte ganzheitliche Methoden gemäß ISO 17025 zu validieren, d.h. Laborprozesse festzulegen, sowie Einflussgrößen und Verfahrensmerkmale zu bestimmen, 2. zu testen, ob diese Verfahren eine Differenzierung von definierten Proben statistisch abgesichert zeigen können. . Diese Ziele konnten erreicht werden. Es wurde bestätigt, dass einige der Methoden auf Grundlage dokumentierter Prozeduren Lebensmittel aus definierten Anbauversuchen (u.a. aus dem DOK-Versuch am FIBL/CH) reproduzierbar unterscheiden...
Tipo: Report Palavras-chave: Food security; Food quality and human health Specific methods.
Ano: 2003 URL: http://orgprints.org/4815/1/4815%2D02OE170%2Dble%2Duni%2Dkassel%2D2003%2Dvalidierung%2Dqualitaet.pdf
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How to understand the complexity of product quality and the challenges in differentiating between organically and conventionally grown products – exemplified by fresh and heat-processed carrots (Daucus carota L.) Organic Eprints
Seljåsen, Randi; Kristensen, Hanne Lakkenborg; Kretzschmar, Ursula; Birlouez, I; Paoletti, F; Lauridsen, Charlotte; Wyss, Gabriela S.; Busscher, Nicolaas; Mengheri, Elena; Sinesio, F.; Zanoli, Raffaele; Vairo, Daniela; Beck, Alexander; Kahl, J..
Quality traits are highly focused upon in the marketing of organic food products. There is a need to define and measure quality as consumers seem to have preconceived notions about the superior health value and taste of organic compared to non-organic products. A commonly held opinion among many consumer groups is that organic farming guarantees optimum quality, despite the fact that this remains unproven. The aim of this paper is to contribute to a better understanding of the complexity of quality traits in a plant-based food product, using carrots as an example. Selected designated quality aspects are presented to describe the complexity of quality and discuss the challenges of using these aspects in differentiating between organic and conventional...
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health Soil Vegetables Root crops.
Ano: 2016 URL: http://orgprints.org/32020/1/Selj%C3%A5sen%20et%20al%202016.pdf
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Impact of processing on carrot baby food nutritional quality and safety Potential of fluorescence as in real time monitoring tool Organic Eprints
Birlouez, I.; Acharid, A.; Rizkallah, J.; Ait-Aimeur, L.; Neugnot, B.; Särkkä-Tirkkonen, M.; Seidel, K.; Kahl, J..
Background: In the frame of the QACCP (Quality Assessment of Critical Control Points)project of the Core Organic platform, the potential of front face fluorescence for assessment of carrot quality and critical points in processing was demonstrated. The impact of processing on quality loss of organic baby food puree manufacturing was analyzed, including the different steps of the process. The impact of the raw material preprocessing was also studied. Attention was especially paid on potential neoformed contaminants produced during heat treatments. Material and Methods: Two assays were analyzed among others: one at industrial level to study the different steps of the process; the other at pilot plant to compare different raw material preprocessing....
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health Processing; Packaging and transportation.
Ano: 2011 URL: http://orgprints.org/19502/1/LWT%2DS%2D11%2D00912.pdf
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Klassifizierung von pflanzlichen Produkten aus ökologischem und konventionellem Anbau durch Messung sekundärer Pflanzenstoffe Organic Eprints
Roose, M.; Kahl, J.; Ploeger, A..
The content of secondary plant compounds in plants is influenced by various environmental factors. Cultivation and fertilization are factors which are characteristic for the farming system organic or conventional. Within a german governmental funded project (BÖL02OE170/F) carrot, maize and wheat samples from different farming systems (defined trials and farm pairs) are differentiated and classified using their polyphenolic and carotenoid contents and profiles, respectively. The samples from organic farming could be differentiated from samples which were conventionally grown as statistical significant for carrot and wheat samples in a two year repetition. The samples could be classified by both, polyphenolic as well as carotenoid profiles. The sum...
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14186/1/Roose_14186.pdf
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Nanotechnology in the context of organic food processing Organic Eprints
Lanzon, N.; Kahl, J.; Ploeger, A..
Nanotechnology, the science of the ultra small, is up-and-coming as the technological platform for the next wave of development and transformation of agri-food systems. It is quickly moving from the laboratory onto supermarket shelves and our kitchen tables (Scrinis and Lyons, 2007). Therefore we investigated in a literature review and a comparison of the findings with the EU regulation of organic farming to what degree nanotechnology can be applied in organic food production. The regulations do not restrict the use of nanotechnology in general. Because little is known about the impact on environment and human health, precaution should be taken when it comes to applying this technology in organic food production.
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14180/1/Lanzon_14180.pdf
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Organic Food Claims in Europe Organic Eprints
Kahl, J.; van der Burgt, G.H.M.; Kusche, D.; Bügel, S.; Busscher, N.; Hallmann, E.; Kretzschmar, U.; Ploeger, A.; Rembialkowska , E.; Huber, M..
Better regulatory guidelines, improved testing methods, and additional research into product quality criteria are needed to further develop the European organic food market.
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health.
Ano: 2010 URL: http://orgprints.org/19126/4/19126.pdf
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QACCP Organic Eprints
Kahl, J..
Quality analysis of critical control points within the whole food chain and their impact on food quality, safety and health.
Tipo: Conference paper, poster, etc. Palavras-chave: "Organics" in general.
Ano: 2011 URL: http://orgprints.org/20105/1/COI_QACCP_Johannes_Kahl.pdf
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Quality analysis of critical control points within the whole food chain and their impact on food quality, safety and health (QACCP) Organic Eprints
Kahl, J.; Kretzschmar, U..
Die Nachfrage der Konsumenten nach gesunden, sicheren Lebensmittel hoher Qualität steigt. Der ökologische Landbau umfasst die gesamte Prozesskette vom Feld zur Gabel; während aber die EU-Richtlinie (EU 2091/92) den Anbau detailliert beschreibt, fehlen Angaben zur Verarbeitung von Lebensmitteln. Daher müssen Prozessschritte auf ihre Auswirkung auf Lebensmittelsicherheit und vor allem –qualität untersucht werden. Dazu eignet sich eine Analyse kritischer Kontrollpunkte (QACCP). Das Projekt Core-Organic QACCP bringt diese Fragen zusammen. An einem ausgewählten Produkt wird die gesamte Prozesskette vom Feld zur Gabel untersucht. Das Ziel ist es, sowohl den Anbau als auch die Verarbeitung zu überprüfen und die Produkte auf Sicherheit, Qualität und Gesundheit zu...
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14188/1/workshop.doc
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Standardisierung der Steigbildmethode für die Unterscheidung von Proben aus verschiedener Herkunft Organic Eprints
Kahl, J.; Zalecka, A.; Busscher, N.; Ploeger, A..
With the Steigbild technique patterns are produced on thin-layer chromatographic paper and evaluated as a fingerprint of the sample as a whole. To be applied in routine analysis the method has to be standardised according to international standard norms. The operating procedures were documented and a method for the visual evaluation was standardised. Then several factors of influence were tested and the reproducibility was investigated. The method is able to differentiate patterns from samples from different farming treatments and processing steps. Farm pairs of organic and conventional farm management can be distinguished as statistical significant and classified according to the farming system for carrot and wheat samples. This represents a...
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14185/1/Kahl_14185.pdf
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Strategic Research and Innovation Agenda for Organic Food and Farming Organic Eprints
Beck, Alexander; Cuoco, Eduardo; Häring, Anna Maria; Kahl, J.; Koopmans, Chris; Micheloni, Cristina; Moeskops, Bram; Niggli, Urs; Padel, Susanne; Rasmussen, Ilse A..
TP Organics is the European Technology Platform for organic food and farming, and for low-input agriculture. Established in 2008, it brings together small and medium-sized enterprises, larger companies, farmers, researchers, consumers and civil society organisations involved in the organic value chain from production, input and supply, to food processing, marketing and consumption. It identifies research and innovation needs and communicates them to policy-makers. The aim is to leverage the organic sector’s contribution to sustainable farming and food production. Since 2013, TP Organics is officially recognised by the European Commission as one of 40 European Technology Platforms (ETPs). TP Organics published its first Strategic Research Agenda in 2009....
Tipo: Report Palavras-chave: Farm economics; Farming Systems; Markets and trade.
Ano: 2014 URL: http://orgprints.org/28777/1/2998.pdf
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Veränderungen im Bildaufbau in der Steigbildmethode durch die Alterung von Milch Organic Eprints
Wohlers, J.; Kahl, J.; Baars, T..
The Uni Kassel, FG bio-dynamic agriculture, wants to use the capillary dynamolysis according to Wala (Steigbildethode) for milk samples from different collection-days. Based on former methodological investigation (Zalecka 2006) the aim of the study is to show the aging effect and to test, whether a once taken sample represents the farm. Result: the repeatedly taken samples seem to be equal, but variation in the climatic conditions of the chamber as well as aging of the solution have a tremendous influence on the pictures and must be standardised.
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/14035/1/Wohlers_14035.pdf
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