Carbohydrate Polymer Technologies and Applications最新文献_第10页

Xylooligosaccharides production from hardwood xylans: Effects of ball-milling and ozone pretreatments on enzymatic depolymerization 硬木木聚糖制备低聚木糖：球磨和臭氧预处理对酶解聚的影响

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-05 DOI: 10.1016/j.carpta.2025.100747

André E.P. Cunha, Rogério M.S. Simões

{"title":"Xylooligosaccharides production from hardwood xylans: Effects of ball-milling and ozone pretreatments on enzymatic depolymerization","authors":"André E.P. Cunha, Rogério M.S. Simões","doi":"10.1016/j.carpta.2025.100747","DOIUrl":"10.1016/j.carpta.2025.100747","url":null,"abstract":"<div><div>The biorefinery of hemicellulose is being explored to produce bioethanol and xylooligosaccharides from lignocellulosic materials. Among the various methods, enzymatic hydrolysis of xylans is recognized as an environmentally friendly approach.</div><div>Utilizing by-products from the pulp and paper industry as substrates for xylanase enhances sustainability and reduces waste, providing a cost-effective raw material source. However, the direct application of xylanase on these substrates often yields low amounts of xylooligosaccharides. To address this, xylopentaose was used to evaluate reaction extent and accessibility, achieving a 61 % conversion and producing 57 % xylobiose (X2) and xylotriose (X3). Improvements in yield were observed when substrates were modified (by pretreatments), doubling the yield of X2 and X3 in commercial xylan to 44 %.</div><div>In Kraft pulp treatment, ozonation increased yields from 18 % to 27 %. Different substrates required tailored pretreatments, such as ball milling for solid commercial xylan and ozone treatment for soluble xylan from Kraft pulp. Additionally, direct treatment of high-hemicellulose-content pulp converted 25 % of hemicellulose, with 44 % yielding X2 and X3, resulting in an overall yield of 11 %. These findings support the potential for industrial applications in biotechnological processes.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"10 ","pages":"Article 100747"},"PeriodicalIF":6.2,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143593822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characterization of carboxymethyl microcrystalline cellulose derived from sustainable kenaf fiber 源自可持续红麻纤维的羧甲基微晶纤维素的表征

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-04 DOI: 10.1016/j.carpta.2025.100745

Aatikah Meraj , Mohammad Jawaid , Zoheb Karim , Omar Awayssa , Hassan Fouad , Balbir Singh

{"title":"Characterization of carboxymethyl microcrystalline cellulose derived from sustainable kenaf fiber","authors":"Aatikah Meraj , Mohammad Jawaid , Zoheb Karim , Omar Awayssa , Hassan Fouad , Balbir Singh","doi":"10.1016/j.carpta.2025.100745","DOIUrl":"10.1016/j.carpta.2025.100745","url":null,"abstract":"<div><div>Microcrystalline cellulose (MCC) extracted from kenaf fiber (KNF) was utilized as an alternative biomaterial for producing carboxymethyl microcrystalline cellulose (CMMCC). The well-known etherification of KNF using monochloroacetic acid, sodium, and hydroxide produced MCC. The yield of produced MCC was 32 %. In addition, high crystallinity index (92 %) and low degree of substitution was recorded compared to final product, i.e., CMMCC. Characterization of CMMCC, MCC, and KNF fibers were performed. FTIR analysis revealed a significant absorption peak at 1620.2 cm<sup>−1</sup>, indicating vibrational stretch of carboxyl groups (COO−), and another peak at 1423.8 cm<sup>−1</sup> corresponding to salts of COO− in CMMCC. The XRD analysis revealed significant reduction in crystalline structure of CMMCC post-synthesis, characteristic peaks of native cellulose became nearly indistinguishable, indicating a transition to an amorphous form. SEM images displayed ruptured and deformed surface morphology of CMMCC powder, with visible cracks due to breakdown of polymer chains when treated with 40 % NaOH. EDX analysis confirmed cellulose in each fiber sample was highly pure because of chemical treatments. Furthermore, CMMCC powder demonstrated stable thermal behavior with high decomposition peak temperature analyzed using TGA and relatively uniform horizontal curve on DSC pattern. Thus, obtained CMMCC exhibits promise candidate in food additive and pharmaceutical industries.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"10 ","pages":"Article 100745"},"PeriodicalIF":6.2,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143593854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Polyvinyl alcohol films incorporating cellulose nanocrystals, chitosan, and mesoporous silica nanoparticles for enhanced stability and controlled release of beet extracts 聚乙烯醇薄膜结合纤维素纳米晶体，壳聚糖和介孔二氧化硅纳米颗粒，以提高甜菜提取物的稳定性和控制释放

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-02 DOI: 10.1016/j.carpta.2025.100740

Solmaz Pourbarghi Soufiani , Shima Yousefi , Masoud Honarvar , Weria Weisany , Gholamhassan Asadi

{"title":"Polyvinyl alcohol films incorporating cellulose nanocrystals, chitosan, and mesoporous silica nanoparticles for enhanced stability and controlled release of beet extracts","authors":"Solmaz Pourbarghi Soufiani , Shima Yousefi , Masoud Honarvar , Weria Weisany , Gholamhassan Asadi","doi":"10.1016/j.carpta.2025.100740","DOIUrl":"10.1016/j.carpta.2025.100740","url":null,"abstract":"<div><div>Despite advancements in polymer-based sustainable materials, developing food packaging that balances mechanical strength, flexibility, antioxidant activity, solubility, and antibacterial efficacy remains challenging. This study examines the effects of chitosan (CH), mesoporous silica nanoparticles (MSNPs), cellulose nanocrystals (CNC), and beet extract (BE) on biodegradable films. LC-MS analysis identified Pirola beet extract as the richest source of antioxidants, particularly 7-hydroxymatairesinol (20.56 %) and apigenin derivatives (15.07 %). Films containing 2 % CH, 2 % MSNPs, 1 % CNC, and 15 % BE exhibited the highest antioxidant activity (52.97 µmol) and improved solubility (4.20 g m⁻²). Water vapor permeability remained stable (1.07–1.14 g mm m⁻² day kPa), while tensile strength peaked at 36.20 MPa in films with 2 % CH, 0 % MSNPs, and 0.5 % CNC. Elastic modulus reached 1.33 MPa, and elongation improved with CNC, achieving 55.96 % in films with 1 % CNC and 10 % BE. The strongest antibacterial efficacy was observed in films with 2 % CH, 2 % MSNPs, 1 % CNC, and 15 % BE, significantly inhibiting <em>Staphylococcus aureus</em> and <em>Listeria monocytogenes</em>. These findings highlight the potential of these films to enhance food preservation, extend shelf life, and reduce environmental impact, underscoring the need to optimize component concentrations for multifunctional, sustainable packaging solutions.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"10 ","pages":"Article 100740"},"PeriodicalIF":6.2,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143593820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Carboxymethyl chitosan oligosaccharide prevents the progression of chronic kidney disease as a Nrf2-dependent apoptosis inhibitor 羧甲基壳聚糖低聚糖作为nrf2依赖性细胞凋亡抑制剂可预防慢性肾脏疾病的进展

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 DOI: 10.1016/j.carpta.2025.100728

Xiaozheng Yuan , Huan He , Youtao Xu, Xinru Chen, Jiawen Wu, Xianpeng Zhong, Xiyu Li, Jing Qiao

{"title":"Carboxymethyl chitosan oligosaccharide prevents the progression of chronic kidney disease as a Nrf2-dependent apoptosis inhibitor","authors":"Xiaozheng Yuan , Huan He , Youtao Xu, Xinru Chen, Jiawen Wu, Xianpeng Zhong, Xiyu Li, Jing Qiao","doi":"10.1016/j.carpta.2025.100728","DOIUrl":"10.1016/j.carpta.2025.100728","url":null,"abstract":"<div><div>Chronic Kidney Disease (CKD) has become a global public health problem, for which satisfactory treatments remain an urgent need. Carboxymethyl chitosan oligosaccharide (CMCOS) is a small molecule derivative of the natural product chitin, which is easy to absorb with variety of biological activities. Our previous research has demonstrated the renal protective effects of CMCOS, while the underlying mechanism is poorly understood. This study reports that the renal protective effects of CMCOS are associated with anti-apoptosis in glomerular podocytes and renal tubular epithelial cells, which maintains the integrity of renal structure and function. Furthermore, CMCOS suppresses tissue oxidative stress and intracellular accumulation of reactive oxygen species both in vitro and in vivo, demonstrating positive correlations with its apoptosis inhibition. Mechanistically, CMCOS enhances endogenous antioxidant defense and relieves oxidative stress in the renal microenvironment through activation of the nuclear factor-erythroid 2-related factor 2 (Nrf2)/heme oxygenase-1 (HO-1) signaling pathway. Specific inhibition of Nrf2 abolishes the apoptosis-inhibitory effect of CMCOS, indicating a dependence on this pathway. In conclusion, CMCOS activates Nrf2/HO-1 signaling pathway to inhibited oxidative stress-related apoptosis in renal parenchymal cells, thereby alleviating the progression of CKD. Our findings provide a new basis for the medicinal development of carbohydrates.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100728"},"PeriodicalIF":6.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143510189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tailored biopolymer films based on cellulose acetate and cobalt ferrite nanoparticles: Dye adsorption and antimicrobial activity 基于醋酸纤维素和钴铁氧体纳米颗粒的定制生物聚合物薄膜：染料吸附和抗菌活性

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 DOI: 10.1016/j.carpta.2025.100716

Mohamed S. Hasanin , Miroslawa El Fray , O.A. Al-Qabandi , Mohamed Bassyouni , N. Almutlaq , Qihui Zhou , Tomy Muringayil Joseph , Monica Toderaș , Sherief A. Al Kiey

{"title":"Tailored biopolymer films based on cellulose acetate and cobalt ferrite nanoparticles: Dye adsorption and antimicrobial activity","authors":"Mohamed S. Hasanin , Miroslawa El Fray , O.A. Al-Qabandi , Mohamed Bassyouni , N. Almutlaq , Qihui Zhou , Tomy Muringayil Joseph , Monica Toderaș , Sherief A. Al Kiey","doi":"10.1016/j.carpta.2025.100716","DOIUrl":"10.1016/j.carpta.2025.100716","url":null,"abstract":"<div><div>In this work, easy-collect adsorbent strips were developed based on the inclusion of cellulose acetate and poly(ԑ-caprolactone) (CA/PCL) as a template for cobalt ferrite nanoparticles (CoFe<sub>2</sub>O<sub>4</sub>NPs) with different concentrations (1, 3, and 5 %). The formulated strips and their parent components were characterized using FTIR and XRD. In addition, topographical analysis, including TEM for CoFe<sub>2</sub>O<sub>4</sub>NPs and SEM and EDX, was performed for formulated strips. The kinetics and the isotherm models were applied to explain the adsorption mechanism. The antimicrobial activity of the formulated strips was studied against the popular water-contaminated microorganism strains. The antimicrobial activity of the strips was presented as a broad spectrum antibacterial activity, and antifungal activity against unicellular and filaments was increased in parallel with CoFe<sub>2</sub>O<sub>4</sub>NPs concentration. The kinetics and isotherm models emphasized that the cationic dye was fitted with a pseudo-first-order and that the anionic dye was fitted with a pseudo-second-order. Moreover, the Langmuir and Freundlich isotherm models were fitted to cationic and anionic dyes. CA/PCL@CoFe<sub>2</sub>O<sub>4</sub>NPs (5 %) stripe recorded q<sub>m</sub> as 1567 and 908 mg g<sup>-1</sup> for methylene blue (MB) and methyl orange (MO), respectively. These findings recommended these stripes for multi-dye adsorption.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100716"},"PeriodicalIF":6.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143509559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advancing the application of chitosan in the pharmaceutical field 推进壳聚糖在医药领域的应用

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 DOI: 10.1016/j.carpta.2024.100597

Luca Casettari

引用次数: 0

Cellulose oligomer synthesis: Primer effects on structural characteristics in the cellodextrin phosphorylase-catalyzed reverse reaction 纤维素低聚物的合成：引物对纤维糊精磷酸化酶催化的反向反应结构特征的影响

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 DOI: 10.1016/j.carpta.2025.100731

Tatsuhiro Konishi , Atsushi Sasaki , Ryosuke Kusumi , Masahisa Wada , Kayoko Kobayashi

{"title":"Cellulose oligomer synthesis: Primer effects on structural characteristics in the cellodextrin phosphorylase-catalyzed reverse reaction","authors":"Tatsuhiro Konishi , Atsushi Sasaki , Ryosuke Kusumi , Masahisa Wada , Kayoko Kobayashi","doi":"10.1016/j.carpta.2025.100731","DOIUrl":"10.1016/j.carpta.2025.100731","url":null,"abstract":"<div><div>The synthesis of cellulose oligomers catalyzed by cellodextrin phosphorylase (CDP) can easily yield microcrystals with functional groups exposed on their surfaces using glucose derivatives with various functional groups at the C1 position as primers. In this study, we examined and compared the effects of primers with various structures on the structural characteristics of the resulting synthetic products. The yield of the synthetic products positively correlated with the CDP activity toward the primer, whereas the degree of polymerization (DP) and molecular weight distribution showed an inverse correlation. However, deviations from these trends were observed, suggesting the influence of varying solubilities and crystallization behaviors due to the introduction of functional groups. The obtained microcrystals exhibited a primarily plate-like shape with a thickness increasing in proportion to the DP, resulting in larger plate-like crystals at higher DP values. These findings provide insights into strategies for controlling the structure of the resulting cellulose oligomers.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100731"},"PeriodicalIF":6.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143519321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Amorphous calcium phosphate reinforced alginate-dialdehyde-gelatin (ADA-GEL) bioink for biofabrication of bone tissue scaffolds 无定形磷酸钙增强海藻酸-二醛-明胶（ADA-GEL）生物链用于骨组织支架的生物制造

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 DOI: 10.1016/j.carpta.2025.100710

Abhishek Indurkar , Susanne Heid , Julian Bauer , Kristaps Rubenis , Oliver Friedrich , Janis Locs , Aldo R. Boccaccini

{"title":"Amorphous calcium phosphate reinforced alginate-dialdehyde-gelatin (ADA-GEL) bioink for biofabrication of bone tissue scaffolds","authors":"Abhishek Indurkar , Susanne Heid , Julian Bauer , Kristaps Rubenis , Oliver Friedrich , Janis Locs , Aldo R. Boccaccini","doi":"10.1016/j.carpta.2025.100710","DOIUrl":"10.1016/j.carpta.2025.100710","url":null,"abstract":"<div><div>The aim of this work was to develop a nanocomposite bioink closely resembling the nanostructure of bone incorporating amorphous calcium phosphate (ACP) as an inorganic counterpart, specifically, citrate stabilized ACP (ACP_CIT) and non-stabilized ACP (ACP_ACE) in an organic hydrogel matrix consisted of alginate dialdehyde-gelatin (ADA-GEL). The hydrogel's physical properties were evaluated, confirming the reinforcement effect of ACP. The frequency sweep analysis showed that G' and G\" of ADA-GEL were 99 ± 9 Pa and 9 ± 1 Pa, respectively. By the addition of ACP_ACE, G' and G\" increased. Overall, the viscoelastic and mechanical properties of ADA-GEL hydrogel were enhanced by ACP. ACP_CIT was more effective than ACP_ACE. Further, printing parameters were optimized. The bioink was formulated by embedding MC3T3-E1 cells in ADA-GEL and ACP-reinforced ADA-GEL hydrogels, followed by fabricating scaffolds at optimized printing parameters (pressure: 65 kPa, speed: 5 mm/s). Crosslinking was performed by immersing constructs in CaCl<sub>2</sub> and microbial transglutaminase solution. Post-printing analysis was performed using the printability index and average pore area analysis. The lowest structural stability was observed in ADA-GEL constructs. The highest structural stability was noted in ADA-GEL-ACP_CIT constructs. Epifluorescence and two-photon microscopy of Rhodamine/Phalloidin stained constructs confirmed the cytocompatibility of the bioinks.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100710"},"PeriodicalIF":6.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143510188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydroxyapatites and nano-hydroxyapatites as scaffolds in drug delivery towards efficient bone regeneration: A review 羟基磷灰石和纳米羟基磷灰石作为高效骨再生药物递送支架的研究进展

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 DOI: 10.1016/j.carpta.2025.100692

Amir Hatami kaleshtari , Samira Farjaminejad , Melika Hasani , Rosana Farjaminejad , Amin Foroozandeh , Majid Abdouss , Mohammad Hasanzadeh

{"title":"Hydroxyapatites and nano-hydroxyapatites as scaffolds in drug delivery towards efficient bone regeneration: A review","authors":"Amir Hatami kaleshtari , Samira Farjaminejad , Melika Hasani , Rosana Farjaminejad , Amin Foroozandeh , Majid Abdouss , Mohammad Hasanzadeh","doi":"10.1016/j.carpta.2025.100692","DOIUrl":"10.1016/j.carpta.2025.100692","url":null,"abstract":"<div><div>Bone regeneration is a complex process that requires materials capable of supporting structural integrity, promoting cell proliferation, and enabling effective drug delivery. Nano-hydroxyapatite (nHA), with its biocompatibility and close resemblance to natural bone minerals, has emerged as a promising material in bone tissue engineering. nHA enhances osteoconductivity, mechanical strength, and drug-loading capacity, making it an effective tool for treating bone defects. Therefore, the potential of combining nHA with bioactive agents and polymers offers new opportunities for long-term, targeted treatments for bone diseases and injuries. This review highlights the role of nHA in drug-delivery systems for bone regeneration, focusing on its properties, synthesis methods, and interactions with bone tissue. Then, key challenges include optimizing scaffold porosity, controlling degradation rates, and improving mechanical stability. Next, advanced applications, such as gene therapy and intelligent drug delivery systems, are also explored. Additionally, some research gaps on the utilization of nHA in drug delivery of bone regeneration were surveyed. Finally, future perspectives on the nHA-based scaffolds for smart drug delivery in the reconstruction and repair of bone were discussed.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100692"},"PeriodicalIF":6.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143529132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microwave assisted extraction of chitosan from Agaricus bisporus: techno-functional and microstructural properties 微波辅助提取双孢蘑菇壳聚糖：技术功能和微观结构特性

IF 6.2

Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 DOI: 10.1016/j.carpta.2025.100730

Adity Bahndral , Rafeeya Shams , Kshirod Kumar Dash , Pintu Chaudhary , Ayaz Mukarram Shaikh , Kovács Béla

{"title":"Microwave assisted extraction of chitosan from Agaricus bisporus: techno-functional and microstructural properties","authors":"Adity Bahndral , Rafeeya Shams , Kshirod Kumar Dash , Pintu Chaudhary , Ayaz Mukarram Shaikh , Kovács Béla","doi":"10.1016/j.carpta.2025.100730","DOIUrl":"10.1016/j.carpta.2025.100730","url":null,"abstract":"<div><div>Chitosan, a copolymer of glucosamine and N-acetyl glucosamine, is primarily derived from chitin. The present research was conducted to generate and analyze chitosan derived from white button mushroom waste (<em>Agaricus bisporus</em>) using microwave assisted extraction. Dried mushroom waste powder was demineralized in diluted acid using 3 M HCl in 1:10 w/v at 540 W for 8 min and deproteinated at 180 W using 10% NaOH in 1:10 w/v for 8 min to remove proteins and lipids. The extracted chitin was deacetylated using 50% NaOH in 1:20 w/v at 360 W to convert it into chitosan. Chitin from the aforesaid process was deacetylated in concentrated alkaline medium at 360 W for 8 min to yield chitosan by converting acetyl groups to -NH<sub>2</sub> groups. The pH and solubility of fresh chitosan were 7.5 and 75%, respectively. Extracted chitosan had maximum 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activity of 53.97% and reducing power of 3.58. The microwave irradiation method produced chitosan having degree of deacetylation of 79.94% and crystallinity index of 1.09. The spectra bands confirmed existence of NH<sub>2</sub>, OH, C<img>O, CH, and C<img>N functional groups. The X-ray diffraction analysis of the chitosan sample discovered distinct peaks at 2θ values between 10 and 20 °, indicating its semi-crystalline nature.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100730"},"PeriodicalIF":6.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143527264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0