scholarly journals Monomers, Materials and Energy from Coffee By-Products: A Review

2021 ◽  
Vol 13 (12) ◽  
pp. 6921
Author(s):  
Laura Sisti ◽  
Annamaria Celli ◽  
Grazia Totaro ◽  
Patrizia Cinelli ◽  
Francesca Signori ◽  
...  
Keyword(s):  
Circular Economy ◽  
Food Industry ◽  
Food Packaging ◽  
Low Cost ◽  
Biofuel Production ◽  
Material Technology ◽  
Coffee Production ◽  
Coffee Pulp ◽  
Coffee Waste ◽  
By Products

In recent years, the circular economy and sustainability have gained attention in the food industry aimed at recycling food industrial waste and residues. For example, several plant-based materials are nowadays used in packaging and biofuel production. Among them, by-products and waste from coffee processing constitute a largely available, low cost, good quality resource. Coffee production includes many steps, in which by-products are generated including coffee pulp, coffee husks, silver skin and spent coffee. This review aims to analyze the reasons why coffee waste can be considered as a valuable source in recycling strategies for the sustainable production of bio-based chemicals, materials and fuels. It addresses the most recent advances in monomer, polymer and plastic filler productions and applications based on the development of viable biorefinery technologies. The exploration of strategies to unlock the potential of this biomass for fuel productions is also revised. Coffee by-products valorization is a clear example of waste biorefinery. Future applications in areas such as biomedicine, food packaging and material technology should be taken into consideration. However, further efforts in techno-economic analysis and the assessment of the feasibility of valorization processes on an industrial scale are needed.

scholarly journals Biodegradable Chitosan Films with ZnO Nanoparticles Synthesized Using Food Industry By-Products—Production and Characterization

Coatings ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 646
Author(s):  
Victor Gomes Lauriano Souza ◽  
Marta M. Alves ◽  
Catarina F. Santos ◽  
Isabel A. C. Ribeiro ◽  
Carolina Rodrigues ◽  
...  
Keyword(s):  
Zinc Oxide Nanoparticles ◽  
Food Industry ◽  
Low Cost ◽  
Young Modulus ◽  
Barrier Properties ◽  
Zno Nps ◽  
Elongation At Break ◽  
Chitosan Films ◽  
By Products ◽  
Different Levels

This work aimed to produce bionanocomposites of chitosan incorporated with zinc oxide nanoparticles (ZnO NPs) synthesized using food industry by-products and to characterize them. Such nanoparticles are highlighted due to their low cost, antimicrobial activity, accessibility, and sustainability synthesis. Four different levels of ZnO NPs (0, 0.5, 1.0, and 2.0% w/w of chitosan) were tested, and the bionanocomposites were characterized in terms of their hydrophobicity, mechanical, optical, and barrier properties. Overall, the incorporation of ZnO NPs changed the composites from brittle to ductile, with enhanced elongation at break and reduced Young Modulus and tensile strength. Thus, ZnO NPs acted as plasticizer, turning the films more flexible, due to the presence of organic compounds on the NPs. This also favored permeability of oxygen and of water vapor, but the good barrier properties were maintained. Optical properties did not change statistically with the ZnO NPs incorporation. Thus, the characterization presented in this paper may contribute to support a decision on the choice of the material’s final application.

THE EFFECT OF TEMPERATURE IN TETRADESMUS OBLIQUUS

2020 ◽  
Vol 19 (2) ◽  
pp. 03
Author(s):  
T. Nishimura ◽  
M. G. Rampi ◽  
L. S. Martins ◽  
R. B. Vieira ◽  
J. V. C. Vargas ◽  
...  
Keyword(s):  
Food Industry ◽  
Low Cost ◽  
Continuous Process ◽  
Biofuel Production ◽  
Effect Of Temperature ◽  
Flocculation Efficiency ◽  
Energy Demands ◽  
Microalgae Biomass ◽  
Energy Challenge ◽  
Tetradesmus Obliquus

The ever growing demand of energy generation and distribution has been one of the concerns of governments and the focus of research institutions.  Likewise, how to supply the energy demands necessary for the development of nations having the lowest environmental impact possible has also been studied. Biofuels have been pointed out as an alternative for that energy challenge, since their use reduce the carbon footprint of industries and vehicles. Biofuels can be obtained from microalgae with the advantage of not competing for space with corn, sugar cane or other crops for food industry. Even though attractive, the biofuel production from microalgae presents some challenges, as for example the separation process required to obtain microalgae biomass. The culture is very diluted and the dewatering must be efficient, low cost and cause no damage to the cell. With the intent to address this issue, the herein paper presents a study of an alternative way to increase flocculation efficiency according to the temperature of the culture with the potential to improve the filtration efficiency in a continuous process. An increasing in the flocculation temperature from 20°C to 60°C increased the flocculation efficiency from 97.79% to 98.64%, using ferric chloride as a flocculant agent.

scholarly journals High Yields of Shrimp Oil Rich in Omega-3 and Carotenoids: Extending to Shrimp Waste the Circular Economy Approach to Fish Oil Extraction

2020 ◽  
Author(s):  
Antonino Scurria ◽  
Anne-Sylvie Fabiano Tixier ◽  
Claudia Lino ◽  
Mario Pagliaro ◽  
Fabio D’Agostino ◽  
...  
Keyword(s):  
Fish Oil ◽  
Circular Economy ◽  
Low Cost ◽  
Oxidative Degradation ◽  
Omega 3 ◽  
Antioxidant Agent ◽  
Extraction Cycle ◽  
Shrimp Oil ◽  
High Yields ◽  
By Products

A shrimp oil rich in omega-3 lipids and carotenoids is obtained in remarkably high 5 wt% yield extending to pink shrimp processing waste (head and carapace) the circular economy approach to extract fish oil from fish processing by-products using d-limonene. Biobased limonene, a powerful antimicrobial and antioxidant agent, is an excellent solvent for both lipids and astaxanthin-based carotenoids preventing oxidative degradation during the extraction cycle including solvent and oil separation at 85°C. A new low cost route is established to extract valued marine oil from biowaste annually made available in over 2.2 million tonnes.

Dry Anaerobic Digestion of Food Industry by-Products and Bioenergy Recovery: A Perspective to Promote the Circular Economy Transition

2022 ◽  
Author(s):  
William Gustavo Sganzerla ◽  
Miriam Tena-Villares ◽  
Luz Selene Buller ◽  
Solange I. Mussatto ◽  
Tânia Forster-Carneiro
Keyword(s):  
Anaerobic Digestion ◽  
Circular Economy ◽  
Food Industry ◽  
Dry Anaerobic Digestion ◽  
By Products

scholarly journals Applicability of Agro-Industrial By-Products in Intelligent Food Packaging

Coatings ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 550 ◽  
Author(s):  
Silvia Amalia Nemes ◽  
Katalin Szabo ◽  
Dan Cristian Vodnar
Keyword(s):  
Radio Frequency Identification ◽  
Food Industry ◽  
Food Packaging ◽  
Consumer Preferences ◽  
Antimicrobial Properties ◽  
Technological Advancement ◽  
Market Place ◽  
Intelligent Packaging ◽  
Industrial Processing ◽  
By Products

Nowadays, technological advancement is in continuous development in all areas, including food packaging, which tries to find a balance between consumer preferences, environmental safety, and issues related to food quality and control. The present paper concretely details the concepts of smart, active, and intelligent packaging and identifies commercially available examples used in the food packaging market place. Along with this purpose, several bioactive compounds are identified and described, which are compounds that can be recovered from the by-products of the food industry and can be integrated into smart food packaging supporting the “zero waste” activities. The biopolymers obtained from crustacean processing or compounds with good antioxidant or antimicrobial properties such as carotenoids extracted from agro-industrial processing are underexploited and inexpensive resources for this purpose. Along with the main agro-industrial by-products, more concrete examples of resources are presented, such as grape marc, banana peels, or mango seeds. The commercial and technological potential of smart packaging in the food industry is undeniable and most importantly, this paper highlights the possibility of integrating the by-products derived compounds to intelligent packaging elements (sensors, indicators, radio frequency identification).

scholarly journals An Intelligent IoT-Based Food Quality Monitoring Approach Using Low-Cost Sensors

Symmetry ◽  
2019 ◽  
Vol 11 (3) ◽  
pp. 374 ◽  
Author(s):  
Alexandru Popa ◽  
Mihaela Hnatiuc ◽  
Mirel Paun ◽  
Oana Geman ◽  
D. Hemanth ◽  
...  
Keyword(s):  
Food Industry ◽  
Food Packaging ◽  
Low Cost ◽  
Storage Period ◽  
Original System ◽  
Gas Temperature ◽  
Essential Information ◽  
Food Monitoring ◽  
And Storage

The evolution of multipurpose sensors over the last decades has been investigated with the aim of developing innovative devices with applications in several fields of technology, including in the food industry. The integration of such sensors in food packaging technology has paved the way for intelligent food packaging. These integrated systems are capable of providing reliable information about the quality of the packed products during their storage period. To accomplish this goal, intelligent packs use a variety of sensors suited for monitoring the quality and safety of food products by recording the evolution of parameters like the quantity of pathogen agents, gases, temperature, humidity and storage period. This technology, when combined with IoT, is able to provide a lot more information than conventional food inspection technologies, which are limited to weight, volume, color and aspect inspection. The original system described in this work relies on a simple but effective method of integrated food monitoring, right at the client home, suitable for user prepared vacuum-packed foods. It builds upon the IoT concept and is able to create a network of interconnected devices. By using this approach, we are able to combine actuators and sensing devices also providing a common operating picture (COP) by sharing information over the platforms. More precisely, our system consists of gas, temperature and humidity sensors, which provide the essential information needed for evaluating the quality of the packed product. This information is transmitted wirelessly to a computer system providing an interface where the user can observe the evolution of the product quality over time.

scholarly journals Integrated Efforts for the Valorization of Sweet Potato By-Products within a Circular Economy Concept: Biocomposites for Packaging Applications Close the Loop

Polymers ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 1048
Author(s):  
Micaela Vannini ◽  
Paola Marchese ◽  
Laura Sisti ◽  
Andrea Saccani ◽  
Taihua Mu ◽  
...  
Keyword(s):  
Sweet Potato ◽  
Circular Economy ◽  
Food Packaging ◽  
Previous Treatment ◽  
Sweet Potatoes ◽  
Melt Mixing ◽  
Hydrogen Bond Interactions ◽  
Potato Waste ◽  
Potato Products ◽  
By Products

With the aim to fully exploit the by-products obtained after the industrial extraction of starch from sweet potatoes, a cascading approach was developed to extract high-value molecules, such as proteins and pectins, and to valorize the solid fraction, rich in starch and fibrous components. This fraction was used to prepare new biocomposites designed for food packaging applications. The sweet potato residue was added to poly(3-hydroxybutyrate-co-3-hydroxyvalerate) in various amounts up to 40 wt % by melt mixing, without any previous treatment. The composites are semicrystalline materials, characterized by thermal stability up to 260 °C. For the composites containing up to 10 wt % of residue, the tensile strength remains over 30 MPa and the strain stays over 3.2%. A homogeneous dispersion of the sweet potato waste into the bio-polymeric matrix was achieved but, despite the presence of hydrogen bond interactions between the components, a poor interfacial adhesion was detected. Considering the significant percentage of sweet potato waste used, the biocomposites obtained show a low economic and environmental impact, resulting in an interesting bio-alternative to the materials commonly used in the packaging industry. Thus, according to the principles of a circular economy, the preparation of the biocomposites closes the loop of the complete valorization of sweet potato products and by-products.

scholarly journals Saccharomyces cerevisiae growth kinetics study dairy byproduct

2013 ◽  
pp. 169-172
Author(s):  
Erika Sulyok ◽  
Györgyi Bró ◽  
János Tamás
Keyword(s):  
Food Industry ◽  
Low Cost ◽  
Organic Matter Content ◽  
Oxygen Demand ◽  
Optimization Methods ◽  
Matter Content ◽  
Kinetics Study ◽  
Storage Tanks ◽  
Milk Whey ◽  
By Products

By guess, annual volume of milk whey is 185–190 million tons and this volume probably will increase next years. Whey has significant biochemical oxygen demand due to its high organic matter content so whey as sewage is one of the most pollutant by-products in the food industry. Apart from environmental pollution, benefit of several whey constituents for human health is another reason to utilize whey. Corn and potato, as well as the processing of milk in the food industry in large quantities of by-products generated by low cost, substantial quantities of starch and lactic acid, which are due to high biological oxygen demand are considered as hazardous waste. Some of them are destroyed sewage storage tanks, and those products are excellent substrates for the growth of microorganisms could be. The traditional nutrient solution optimization methods are solution and time-consuming and are not able to determine the real optimum because of the interaction of factors involved.

Oilseed Cakes in the Food Industry: A Review on Applications, Challenges, and Future Perspectives

2021 ◽  
Vol 17 ◽  
Author(s):  
Amirhossein Abedini ◽  
Adel Mirza Alizadeh ◽  
Aida Mahdavi ◽  
S. Amirhossein Golzan ◽  
Mahla Salimi ◽  
...  
Keyword(s):  
Food Industry ◽  
Raw Materials ◽  
Low Cost ◽  
Palm Kernel ◽  
Poultry Feed ◽  
Food Sector ◽  
Novel Foods ◽  
Current Review ◽  
Wide Range ◽  
By Products

: By-products from the food sector now have a wide range of applications. Low-cost raw materials, followed by low-cost goods, are regarded as one of the sectors’ top goals. Because of its economic relevance, reduced price, and nutrients such as protein, fiber, carbs, and antioxidants, oilseed cakes (OCs) have found a desirable place in livestock and poultry feed. Furthermore, because the cake has the same desirable nutrients, its usage in the food business is unavoidable. However, its use in this sector is not simply for nutritious purposes and has it has different impacts on flavor, texture, color, and antioxidant qualities. Therefore, as a result of its desirable qualities, the cake can be more useful in extensive applications in the food business, as well as in the manufacture of supplements and novel foods. The current review looks at the reapplications of byproducts obtained from oilseeds (soybean, sunflower, sesame, canola, palm kernel, peanut, mustard, and almond) in the food sector in the future. Furthermore, allergenicity, toxicity, antinutritional compounds, and techniques of extracting cakes from oilseeds have been discussed.

scholarly journals Synthesis of Lipophilic Esters of Tyrosol, Homovanillyl Alcohol and Hydroxytyrosol

Antioxidants ◽  
2019 ◽  
Vol 8 (6) ◽  
pp. 174 ◽  
Author(s):  
Roberta Bernini ◽  
Isabella Carastro ◽  
Francesca Santoni ◽  
Mariangela Clemente
Keyword(s):  
Circular Economy ◽  
Room Temperature ◽  
Dimethyl Carbonate ◽  
Low Cost ◽  
Aqueous Media ◽  
Low Molecular Weight ◽  
Health Promoting ◽  
Hydrophilic Character ◽  
Valuable Compounds ◽  
By Products

Low-molecular weight phenols such as tyrosol, homovanillyl alcohol and hydroxytyrosol are valuable compounds that exhibit a high number of health-promoting effects such as antioxidant, anti-inflammatory and anticancer activity. Despite these remarkable properties, their applications such as dietary supplements and stabilizers of foods and cosmetics in non-aqueous media are limited for the hydrophilic character. With the aim to overcome this limitation, the paper describes a simple and low-cost procedure for the synthesis of lipophilic esters of tyrosol, homovanillyl alcohol and hydroxytyrosol. The reactions were carried out under mild and green chemistry conditions, at room temperature, solubilizing the phenolic compounds in dimethyl carbonate, an eco-friendly solvent, and adding a little excess of the appropriate C2–C18 acyl chloride. The final products were isolated in good yields. Finally, according to the “circular economy” strategy, the procedure was applied to hydroxytyrosol-enriched extracts obtained by Olea europaea by-products to prepare a panel of lipophilic extracts that are useful for applications where solubility in lipid media is required.

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