Chitosan and Its Derivatives: Preparation and Antibacterial Properties

Materials, Год журнала: 2023, Номер 16(18), С. 6076 - 6076

Опубликована: Сен. 5, 2023

This comprehensive review illuminates the various methods of chitosan extraction, its antibacterial properties, and multifarious applications in diverse sectors. We delve into chemical, physical, biological, hybrid, green extraction techniques, each which presents unique advantages disadvantages. The choice method is dictated by multiple variables, including desired properties chitosan, resource availability, cost, environmental footprint. explore intricate relationship between chitosan’s activity such as cationic density, molecular weight, water solubility, pH. Furthermore, we spotlight burgeoning chitosan-based materials like films, nanoparticles, nonwoven materials, hydrogels across food, biomedical, agricultural concludes highlighting promising future underpinned technological advancements growing sustainability consciousness. However, critical challenges optimizing production for efficiency remain to be tackled.

Язык: Английский

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Antioxidant and preservation effects of tea polyphenols on apple juice

Food Bioscience, Год журнала: 2024, Номер 60, С. 104288 - 104288

Опубликована: Май 7, 2024

Язык: Английский

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Larval Frass of Hermetia illucens as Organic Fertilizer: Composition and Beneficial Effects on Different Crops

Insects, Год журнала: 2024, Номер 15(4), С. 293 - 293

Опубликована: Апрель 20, 2024

Hermetia illucens has received a lot of attention as its larval stage can grow on organic substrates, even those that are decomposing. Black soldier fly breeding provides variety valuable products, including frass, mixture excrements, exuviae, and leftover feedstock, be used fertilizer in agriculture. Organic fertilizers, such bringing beneficial bacteria materials into the soil, improves health fertility. This comprehensive review delves comparative analysis frass derived from larvae fed different substrates. The composition micro- macro-nutrients, pH levels, matter content, electrical conductivity, moisture proportion dry under consideration. effect feeding substrates presence potentially for plant growth within is also reported. A critical feature examined this post-application impacts crops, highlighting agricultural benefits drawbacks introducing cultivation operations. One notable categorization crops studied distinct groups, which useful to simplify comparisons future research.

Язык: Английский

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Update on Chitin and Chitosan from Insects: Sources, Production, Characterization, and Biomedical Applications

Biomimetics, Год журнала: 2024, Номер 9(5), С. 297 - 297

Опубликована: Май 15, 2024

Insects, renowned for their abundant and renewable biomass, stand at the forefront of biomimicry-inspired research offer promising alternatives chitin chitosan production considering mounting environmental concerns inherent limitations conventional sources. This comprehensive review provides a meticulous exploration current state insect-derived chitosan, focusing on sources, methods, characterization, physical chemical properties, emerging biomedical applications. Abundant insect sources from Lepidoptera, Coleoptera, Orthoptera, Hymenoptera, Diptera, Hemiptera, Dictyoptera, Odonata, Ephemeroptera orders, were comprehensively summarized. A variety characterization techniques, including spectroscopy, chromatography, microscopy, used to reveal properties like molecular weight, degree deacetylation, crystallinity, laying solid foundation wide application, especially biomimetic design process. The examination extends into realm applications, highlighting unique advantages in wound healing, tissue engineering, drug delivery, antimicrobial therapies. Their intrinsic biocompatibility position them as candidates innovative solutions diverse medical interventions.

Язык: Английский

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Effect of gelatin and salicylic acid incorporated in chitosan coatings on strawberry preservation

International Journal of Biological Macromolecules, Год журнала: 2025, Номер unknown, С. 140918 - 140918

Опубликована: Фев. 1, 2025

Язык: Английский

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Peptide Fractions Extracted from the Hemolymph of Hermetia illucens Inhibit Growth and Motility and Enhance the Effects of Traditional Chemotherapeutics in Human Colorectal Cancer Cells

International Journal of Molecular Sciences, Год журнала: 2025, Номер 26(5), С. 1891 - 1891

Опубликована: Фев. 22, 2025

Cancer is a leading cause of death worldwide, characterized by uncontrolled cell growth and multiple mutations. Chemotherapy often associated with harmful side effects, cancer cells may become resistant through various mechanisms. New approaches, which are able to address both the toxicity resistance issues chemotherapy, primary importance in research. Antimicrobial peptides (AMPs), naturally occurring molecules innate immune system all living organisms, have wide spectrum cytotoxic activities against could be promising alternative actual chemotherapeutics. Here, we tested peptide fractions, rich AMPs, extracted from hemolymph larvae insect Hermetia illucens on HT29 HCT116 human colorectal cells, observing inhibition accumulation G2/M phase increased apoptosis. Furthermore, extract induced significant cytoskeleton reorganization, resulting reduced motility. These effects were more evident fractions obtained Escherichia coli-infected larvae. The also enhanced traditional Overall, results suggest presence biologically active H. larvae, confirming that insect-derived research area oncology.

Язык: Английский

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A comprehensive characterization of Hermetia illucens derived chitosan produced through homogeneous deacetylation

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 271, С. 132669 - 132669

Опубликована: Май 25, 2024

The increasing demand for chitin and chitosan is driving research to explore alternative sources crustaceans. Insects, particularly bioconverters as Hermetia illucens, are promising substitutes they process food industry waste into valuable molecules, including chitin. Chitosan can be produced by deacetylation: hot deacetylation obtain a heterogeneous chitosan, the commonly produced, cold homogeneous not widely available. two different treatments lead arrangement of amine acetyl groups in structure, affecting its molecular weight, degree, biological activity. This first report on production chemical-physical characterization homogenous derived from H. illucens larvae, pupal exuviae, adults. work, addition our group, completes overview chitosan. yield values obtained exuviae (3 7 %) range insect (2-8 crustaceans (4-15 evaluation antioxidant activity antimicrobial properties against Gram-negative (Escherichia coli) Gram-positive (Micrococcus flavus) bacteria confirmed great versatility biomedical industrial applications suitability an source

Язык: Английский

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Usage of chitosan from Hermetia illucens as a preservative for fresh Prunus species fruits: a preliminary analysis

Chemical and Biological Technologies in Agriculture, Год журнала: 2023, Номер 10(1)

Опубликована: Сен. 26, 2023

Abstract Background Fruit and vegetables are highly perishable. In an era where reducing food waste is absolutely essential, packaging important for maintaining the postharvest quality of these fresh products. Research working to reduce use synthetic materials, not safe environment human health. this perspective, chitosan emerges as a viable solution purpose, it biodegradable, biocompatible also application. The growing interest in using insects source chitin has allowed increased exploitation insect-based products recover valuable such biopolymers. black soldier fly ( Hermetia illucens L.) most widely reared species Europe feed production management. Results work, mature apricots Prunus armeniaca L.), nectarines persica vulgaris Mill.) yellow peaches var. laevis Gray) were coated with 0.5% 1% from pupal exuviae , applied by spraying stored at room temperature or 4 °C until they decay. Then, validate effectiveness polymer fruit preservation, several parameters including pH, TSS weight loss evaluated. Conclusions results showed that derived effective better than commercially available crustacean more stable some storage apricots, peaches. Thus, insects, especially confirmed alternative polymer. Graphical

Язык: Английский

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In vitro antifungal activity and in vivo edible coating efficacy of insect-derived chitosan against Botrytis cinerea in strawberry

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 279, С. 135158 - 135158

Опубликована: Авг. 28, 2024

Strawberry is a perishable fruit, susceptible to development of rot by range fungi, in particular Botrytis cinerea. Chitosan represents an alternative agrochemicals for improving shelf-life and fighting fungal pathogens. A chitosan-based coating derived from pupal exuviae Hermetia illucens has been recently formulated strawberry stored at 4 °C mixed condition (4 room temperature). The effects decolored (PEDEC) not (PEND) chitosan the black soldier fly were evaluated compared with commercial chitosans crustaceans (CCs), vitro vivo. An inhibition/reduction growth disturbance normal morphology observed, being MIC 0.5 mg mL

Язык: Английский

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Antimicrobial Edible Films of Emerging Hydrocolloids Extracted from Food Processing Waste

Elsevier eBooks, Год журнала: 2025, Номер unknown, С. 819 - 840

Опубликована: Янв. 1, 2025

Язык: Английский

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