Marta Ostojčić
YOU?
Author Swipe
View article: Valorisation of Eggshell Waste for Effective Biosorption of Congo Red Dye from Wastewater
Valorisation of Eggshell Waste for Effective Biosorption of Congo Red Dye from Wastewater Open
The objective of this study was to valorise eggshell waste (ESW) by investigating its biosorption properties and evaluating its efficiency as a sustainable biosorbent for the removal of the synthetic dye Congo Red (CR) from model CR soluti…
View article: Sustainable Lipase Immobilization on Eggshell Membrane Carriers: Economic and LCA Insights at Laboratory Scale
Sustainable Lipase Immobilization on Eggshell Membrane Carriers: Economic and LCA Insights at Laboratory Scale Open
This study presents a comprehensive economic and environmental evaluation of immobilized lipases produced on eggshell membrane-based carriers from eggshell waste, based on laboratory-scale experiments. By integrating economic analysis (EA)…
View article: Sequential Extraction Transformation of Brown Onion Skin into Cellulose-Based Enzyme Immobilization Carrier
Sequential Extraction Transformation of Brown Onion Skin into Cellulose-Based Enzyme Immobilization Carrier Open
The present study aimed to design a process of brown onion skin transformation by sequential extraction to a cellulose-based immobilization carrier, along with detailed analysis of obtained extracts, pointing to approaching a “zero-waste” …
View article: Cellulose Carriers from Spent Coffee Grounds for Lipase Immobilization and Evaluation of Biocatalyst Performance
Cellulose Carriers from Spent Coffee Grounds for Lipase Immobilization and Evaluation of Biocatalyst Performance Open
In line with the circular economy approach and the pursuit of sustainable solutions for spent coffee grounds, this study investigates the valorization of spent coffee grounds as a source of cellulose-based enzyme immobilization carriers. C…
View article: Immobilized Pseudomonas fluorescens Lipase on Eggshell Membranes for Sustainable Lipid Structuring in Cocoa Butter Substitute
Immobilized Pseudomonas fluorescens Lipase on Eggshell Membranes for Sustainable Lipid Structuring in Cocoa Butter Substitute Open
As the supply of cocoa becomes increasingly volatile, biotechnological innovations such as lipid engineering with lipases play a crucial role in supporting more stable, ethical, and sustainable chocolate production systems. This study expl…
View article: Exploring fatty acid methyl esters
Exploring fatty acid methyl esters Open
The search for alternative fuels led to the development of biodiesel research. However, in order for biodiesel to meet the prescribed standards, it must first fulfil the proportion of fatty acid methyl esters (FAME) in its composition. Amo…
View article: Eggshell membranes as green carriers for <i>Burkholderia cepacia</i> lipase: A biocatalytic strategy for sustainable wastewater bioremediation
Eggshell membranes as green carriers for <i>Burkholderia cepacia</i> lipase: A biocatalytic strategy for sustainable wastewater bioremediation Open
Early research on recycling agri-food industry waste focused on valorization to identify valuable components lost when waste is disposed of, reflecting a linear economy model. With the shift to a circular economy, current research aims for…
View article: The Influence of Qualitative Parameters of Waste Cooking Oils and Fat on Fatty Acid Methyl Esters Yield
The Influence of Qualitative Parameters of Waste Cooking Oils and Fat on Fatty Acid Methyl Esters Yield Open
Due to the growing demand for alternative green fuels, biodiesel remains a focal point of scientific research. While chemical biodiesel production, mostly from edible oils, has been established worldwide for years, enzymatic synthesis and …
View article: Eggshell waste transformation to calcium chloride anhydride as food-grade additive and eggshell membranes as enzyme immobilization carrier
Eggshell waste transformation to calcium chloride anhydride as food-grade additive and eggshell membranes as enzyme immobilization carrier Open
In continuation of our efforts to fully utilize eggshell waste (ESW), here we report the possibility of ESW transformation to calcium chloride (CaCl 2 ) anhydride of food-grade additive purity and eggshell membranes (ESMs) as potential enz…
View article: Influence of Drying, Pressing, and Antioxidants on Yield and Oxidative Stability of Cold Pressed Oils
Influence of Drying, Pressing, and Antioxidants on Yield and Oxidative Stability of Cold Pressed Oils Open
Investigated were the influence of drying and pressing parameters of rapeseed, sunflower, and safflower seeds on oil yield, as well as antioxidant addition on the oxidative stability of cold pressed oils. The parameters of the oilseeds and…
View article: Eggshell-Waste-Derived Calcium Acetate, Calcium Hydrogen Phosphate and Corresponding Eggshell Membranes
Eggshell-Waste-Derived Calcium Acetate, Calcium Hydrogen Phosphate and Corresponding Eggshell Membranes Open
The development of innovative transformation techniques for various wastes generated by the agri-food industry is one of the goals of sustainable waste management oriented toward “zero-waste” approach. This includes the production of bulk …
View article: Transformation of eggshell waste to egg white protein solution, calcium chloride dihydrate, and eggshell membrane powder
Transformation of eggshell waste to egg white protein solution, calcium chloride dihydrate, and eggshell membrane powder Open
The present study investigated the possibility of complete utilization of eggshell waste (ESW) transforming it to adherent egg white protein solution, calcium chloride dihydrate, and eggshell membranes (ESM). Adherent egg white protein sol…
View article: Waste Management in the Agri-Food Industry: The Conversion of Eggshells, Spent Coffee Grounds, and Brown Onion Skins into Carriers for Lipase Immobilization
Waste Management in the Agri-Food Industry: The Conversion of Eggshells, Spent Coffee Grounds, and Brown Onion Skins into Carriers for Lipase Immobilization Open
One of the major challenges in sustainable waste management in the agri-food industry following the “zero waste” model is the application of the circular economy strategy, including the development of innovative waste utilization technique…
View article: Lipase Production by Solid-State Cultivation of Thermomyces Lanuginosus on By-Products from Cold-Pressing Oil Production
Lipase Production by Solid-State Cultivation of Thermomyces Lanuginosus on By-Products from Cold-Pressing Oil Production Open
This study shows that by-products obtained after cold-pressing oil production (flex oil cake, hemp oil cake, hull-less pumpkin oil cake) could be used as substrates for the sustainable and cost-effective production of lipase when cultivati…
View article: MEMBRANE FILTRATION AS AN ENVIRONMENTALLY FRIENDLY METHOD FOR CRUDE BIODIESEL PURIFICATION
MEMBRANE FILTRATION AS AN ENVIRONMENTALLY FRIENDLY METHOD FOR CRUDE BIODIESEL PURIFICATION Open
Biodiesel is the first alternative fuel the physicochemical properties of which are regulated by appropriate standards: American ASTM D 6751 and European standard EN 14214. The process of biodiesel production consists of three main phases:…