An Evaluation of the Quality and Microstructure of Biodegradable Composites as Contribution towards Better Management of Food Industry Wastes

Zdanowska, Paulina; Florczak, Iwona; Słoma, Jacek; Tucki, Karol; Orynycz, Olga; Wasiak, Andrzej; Świć, Antoni

doi:10.3390/su11051504

Cited by 7 publications

(6 citation statements)

References 18 publications

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“…The structure of biocomposites obtained consisted of pressed particles of post-extraction rapeseed meal (RP) and MCC cellulose particles, melted into the polymer matrix. A similar structure of pressed rapeseed pomace was observed by other researchers [26]. The exact structure is illustrated by the photograph of the sample "bend", showing a visibly layered structure (Figure 4a).…”

Section: Sem Analysissupporting

confidence: 80%

The Rape Pomace and Microcrystalline Cellulose Composites Made by Press Processing

et al. 2020

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This paper presents the results of research on biocomposites resulting from the combination of post-extraction rapeseed meal (RP) and microcrystalline cellulose (MCC). The products were fabricated using a press machine with a mould heating system. The biocomposites were then subjected to stress tests, their surface wettability was determined and color analyses were conducted. Fourier Transform Infrared Spectroscopy (FTIR), a cross-section observed by scanning electron microscope (SEM) and thermogravimetric analysis (TGA) were used to examine the structure and thermomechanical properties of the material obtained. The research results showed that an increase in the share of MCC to 8% and increasing the process temperature to 140 • C improved the strength parameters of the products obtained, as well as their thermal resistance. It was also found that the wettability of products was affected both by process temperature and addition of cellulose; similar wettability results were obtained for MCC 8% (120 • C) and MCC 2% (140 • C). Photographs taken using a scanning electron microscope revealed that the biocomposite surface was the smoothest in the case of materials fabricated under the highest process temperature and with the highest MCC proportion.

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Section: Sem Analysissupporting

confidence: 80%

The Rape Pomace and Microcrystalline Cellulose Composites Made by Press Processing

et al. 2020

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“…Submerged fermentation of B. subtilis WX-17 with BSG B. subtilis WX-17 was previously isolated from natto according to [12] and subsequently cultured in nutrient broth for a day at 37 C. BSG were provided by Asia Pacific Breweries (Singapore) Pte. Ltd. and stored at À80 C. With minor modifications from [13], BSG were grinded into 5 mm mesh size using ceramic mortar and pestle. Ten grams of autoclaved, grinded BSG were inoculated with B. subtilis WX-17 (10 6 CFU/g) and 50 mL sterile water in an Erlenmeyer flask.…”

Section: Methodsmentioning

confidence: 99%

Potential novel nutritional beverage using submerged fermentation with Bacillus subtilis WX-17 on brewers’ spent grains

Tan

Mok

Chen

2020

Heliyon

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Food processing generates side streams that are not fully utilized and typically treated as waste materials. One of such food by-product, brewers' spent grains (BSG) are disposed in huge quantities from the beer industry annually. Submerged fermentation of BSG using Bacillus subtilis WX-17, without supplementary components, is herein employed. The fermentation products were extracted in the liquid phase, resulting in a potential novel nutritional beverage containing Bacillus subtilis WX-17. Bacillus subtilis WX-17, was still viable after a period of 6 weeks with a final cell count of 9.86 log CFU/mL. Gas chromatography-mass spectrophotometry (GC-MS) was employed for identification of the metabolites produced from the growth of Bacillus subtilis WX-17. Seven essential amino acids and citric acid cycle (TCA) intermediates were found to have increased significantly (p < 0.05) whereas all carbohydrates decreased significantly (p < 0.05) in the beverage after submerged fermentation. Additionally, antioxidant activity quantified using DPPH radical scavenging activity, increased by 2.08-fold while total phenolic content increased from 125.7 AE 0.74 μg/mL to 446.74 AE 1.26 μg/mL. The results proved the potential of employing submerged fermentation of BSG using Bacillus subtilis WX-17 to produce a novel and highly nutritious beverage.

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“…In particular, the direct production of biodegradable composites by the extrusion of a mix between two food wastes, namely rapeseed cake and brewer's threshing (barley husk) in different proportions (30:70, 50:50, 70:30) has also been anticipated, the advantage being that the material did not require any additional processing [59]. The question in this regard is the density of agglomerates, which is seen as increasing with rapeseed content.…”

Section: Seed-based Fillers/reinforcementsmentioning

confidence: 99%

Sustainable Biocomposites: Harnessing the Potential of Waste Seed-Based Fillers in Eco-Friendly Materials

Fragassa,

Vannucchi de Camargo,

Santulli

2024

Sustainability

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With the growing concerns over environmental degradation and the increasing demand for sustainable materials, eco-friendly composites have gained considerable attention in recent years. This review paper delves into the promising realm of seed-based fillers, reinforcements and polysaccharidic matrices in the production of biocomposites that are yet focusing on those seeds, which can be considered industrial process waste. Seeds, with their inherent mechanical properties and biodegradability, which are often the waste of production systems, offer a compelling solution to reduce the environmental impact of composite materials. This paper explores the properties of various seeds considered for composite applications and investigates the processing techniques used to incorporate them into composite matrices. Furthermore, it critically analyzes the influence of seed fillers on the mechanical and physical properties of these eco-friendly composites, comparing their performance with traditional counterparts. The environmental benefits, challenges, and limitations associated with seed-based composites from waste seeds are also discussed, as well as their potential applications in diverse industries. Through an assessment of relevant case studies and research findings, this review provides valuable insights into the outlook of seed-based composites as a sustainable alternative in the composite materials landscape, emphasizing their role in promoting a greener and more responsible approach to materials engineering.

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An Evaluation of the Quality and Microstructure of Biodegradable Composites as Contribution towards Better Management of Food Industry Wastes

Cited by 7 publications

References 18 publications

The Rape Pomace and Microcrystalline Cellulose Composites Made by Press Processing

The Rape Pomace and Microcrystalline Cellulose Composites Made by Press Processing

Potential novel nutritional beverage using submerged fermentation with Bacillus subtilis WX-17 on brewers’ spent grains

Sustainable Biocomposites: Harnessing the Potential of Waste Seed-Based Fillers in Eco-Friendly Materials

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