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Sirvi Autor "Malenica, Dunja" järgi

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  • Pisipilt
    Kirje
    Compositional evaluation of hot-pressed rapeseed cake for the purpose of bioplastic production
    (Estonian University of Life Sciences, 2021) Jõgi, Katrin; Malenica, Dunja; Jõudu, Ivi; Bhat, Rajeev; ERA-Chair for Food (By-) Products Valorisation Technologies of the Estonian University of Life Sciences (VALORTECH). Estonian University of Life Sciences; Chair of Food Science and Technology. Institute of Veterinary Medicine and Animal Sciences. Estonian University of Life Science
    Rapeseed is widely cultivated for biodiesel or food-grade oil production. As the oil production process generates huge amounts of wastes and by-products (e.g. oil press cake and meal) that have relatively high crude protein content, valorisation as input material for proteinbased bioplastics has a lot of potential. There is a limited number of studies undertaken on using rapeseed cake directly (without prior protein extraction) for biomaterial production, but the initial results have been very promising. As rape and turnip rapeseeds are also some of the most harvested crops in Estonia, the rapeseed oil press cake as a by-product is also available from local food-grade rapeseed oil production. In this regard, we investigated locally available rapeseed oil press cake for chemical composition and explored suitability for bioplastic production. The results indicate suitability for direct biomaterial production, meaning properties for biomaterial formation could be further explored.
  • Pisipilt
    Kirje
    Compositional evaluation of hot-pressed rapeseed cake for the purpose of bioplastic production
    (2021) Jõgi, Katrin; Malenica, Dunja; Jõudu, Ivi; Bhat, Rajeev; Chair of Food Science and Technology. Institute of Veterinary Medicine and Animal Sciences. Estonian University of Life Science; ERA-Chair for Food (By-) Products Valorisation Technologies of the Estonian University of Life Sciences (VALORTECH). Estonian University of Life Sciences
    Rapeseed is widely cultivated for biodiesel or food-grade oil production. As the oil production process generates huge amounts of wastes and by-products (e.g. oil press cake and meal) that have relatively high crude protein content, valorisation as input material for protein-based bioplastics has a lot of potential. There is a limited number of studies undertaken on using rapeseed cake directly (without prior protein extraction) for biomaterial production, but the initial results have been very promising. As rape and turnip rapeseeds are also some of the most harvested crops in Estonia, the rapeseed oil press cake as a by-product is also available from local food-grade rapeseed oil production. In this regard, we investigated locally available rapeseed oil press cake for chemical composition and explored suitability for bioplastic production. The results indicate suitability for direct biomaterial production, meaning properties for biomaterial formation could be further explored.
  • Pisipilt
    Kirje
    Review article: Current research trends in fruit and vegetables wastes and by-products management-Scope and opportunities in the Estonian context
    (2020) Malenica, Dunja; Bhat, Rajeev; Estonian University of Life Sciences. Insitute of Veterinary Medicine and Animal Siences
    Globally on an annual scale, considerable amounts of fruit and vegetables wastes (FVW) are generated in the agri-food industrial sector. Costs insured for safe disposal of FVW remains uneconomical and they can pose a serious environmental hazard if left untreated. However, FVW have high potential for reuse, recycle and recovery, which is an indication that there are productive, sustainable and affordable ways of reducing and tackling them at the industrial levels. Recent years have seen progressive innovative research on FVW management strategies, which has been developed with an idea of reducing wastes and fully exploiting its potential. Further, FVW represents a potential source of valuable compounds and bioactive ingredients. Today, there are many proposed innovative approaches for handling the FVW. These include reintroducing sub-standard fruit and vegetables (small sized or misshaped fruit and vegetable) in the market, reusing FVW for soil amendments, composting, or as an animal feed, and much more. In addition, the extracted bioactive compounds from FVW and by-products can find wide applications as a natural additive in food, cosmetics and/or in pharmaceutical applications. Currently, novel cost effective strategies have been developed for effective valorisation of agri-food wastes and by-products. The field of FVW management is still limited, thus leaving a wide gap for new ideas, novelty and applications of more efficient green techniques for complete utilization of agri-food wastes and by-products. Some of the interesting aspects on wastes and by-products management are discussed in relevance to Europe and in Estonia.
  • Pisipilt
    Kirje
    Review article: Current research trends in fruit and vegetables wastes and by-products management-Scope and opportunities in the Estonian context
    (Estonian University of Life Sciences, 2020) Malenica, Dunja; Bhat, Rajeev; Estonian University of Life Sciences. Insitute of Veterinary Medicine and Animal Siences
    Globally on an annual scale, considerable amounts of fruit and vegetables wastes (FVW) are generated in the agri-food industrial sector. Costs insured for safe disposal of FVW remains uneconomical and they can pose a serious environmental hazard if left untreated. However, FVW have high potential for reuse, recycle and recovery, which is an indication that there are productive, sustainable and affordable ways of reducing and tackling them at the industrial levels. Recent years have seen progressive innovative research on FVW management strategies, which has been developed with an idea of reducing wastes and fully exploiting its potential. Further, FVW represents a potential source of valuable compounds and bioactive ingredients. Today, there are many proposed innovative approaches for handling the FVW. These include reintroducing sub-standard fruit and vegetables (small sized or misshaped fruit and vegetable) in the market, reusing FVW for soil amendments, composting, or as an animal feed, and much more. In addition, the extracted bioactive compounds from FVW and by-products can find wide applications as a natural additive in food, cosmetics and/or in pharmaceutical applications. Currently, novel cost effective strategies have been developed for effective valorisation of agri-food wastes and by-products. The field of FVW management is still limited, thus leaving a wide gap for new ideas, novelty and applications of more efficient green techniques for complete utilization of agri-food wastes and by-products. Some of the interesting aspects on wastes and by-products management are discussed in relevance to Europe and in Estonia.
  • Pisipilt
    Kirje
    Sustainable Management and Valorization of Agri-Food IndustrialWastes and By-Products as Animal Feed: For Ruminants, Non-Ruminants and as Poultry Feed
    (MDPI, 2023) Malenica, Dunja; Kass, Marko; Bhat, Rajeev
    Substantial increase in the production of agri-food commodities over the past years has resulted in the generation of enormous volumes of wastes and by-products, thus contributing to increased environmental pollution. Being an under-exploited raw material which are rich in bioactive compounds (e.g., polyphenols, dietary fibre, oils, essential vitamins, minerals, etc), novel strategies and initiatives have been proposed and implemented for the effective management and valorization of these wastes and by-products. The proposed initiatives and strategies support the concepts of EU circular economy and green biorefinery, thus promoting sustainability. One of the strategies of management of waste and by-products includes the effectual development of nutritious low-cost sustainable animal feed. Currently, in the world market, there are a range of fruit and vegetable wastes and by-products that have been effectively introduced in animal diets. Within this context, this systematic review focuses on a diversified group of agri-food wastes (and the industrial by-products), their bioactive components, the opportunities for the development of animal feed or feed supplements (for Ruminants, Non-Ruminants and as Poultry feed) and conclusively the health benefits imparted. In addition, the safety issues and regulations aspects are also covered.
  • Pisipilt
    Kirje
    Terve loom ja tervislik toit : konverentsi "Terve loom ja tervislik toit 2023" posterettekanded
    (Eesti Maaülikool, 2023) Tänavots, Alo; Aland, Andres; Kokin, Eugen; Vilem, Annika; Nurmoja, Imbi; Tummeleht, Lea; Viltrop, Arvo; Malenica, Dunja; Kass, Marko; Bhat, Rajeev; Somelar, Eveli; Arney, David; Moreira Da Silva, Joaquim Fernando; Prasadani, Madhusha; Jaakson, Hanno; Volke, Vallo; Andronowska, Aneta; Kodithuwakku, Suranga; Fazeli, Alireza; Henno, Merike; Ots, Meelis; Ilves, Kaivo; Pentjärv, Aire; Meremäe, Kadrin; Roasto, Mati; Anton, Dea; Tepper, Marek; Elias, Terje; Kerner, Kristi; Rätsep, Reelika; Püssa, Tõnu; Roasto, Mati; Koskar, Julia; Sünter, Alar; Raudsepp, Piret; Kuznetsov, Artur
    Alo Tänavots, Andres Aland, Eugen Kokin. Livestocksense – Täppispidamise kasutamine Eesti seakasvatussektoris: suhtumine ja rakendamist takistavad tegurid.