دورية أكاديمية
أعرض في EDS

Biopolymeric Films of Amphiphilic Derivatives of Chitosan: A Physicochemical Characterization and Antifungal Study.

التفاصيل البيبلوغرافية
العنوان: Biopolymeric Films of Amphiphilic Derivatives of Chitosan: A Physicochemical Characterization and Antifungal Study.
المؤلفون: Alves ACRS; Department of Chemistry and Environmental Sciences, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054-000, Brazil., Lima AMF; Department of Chemistry and Environmental Sciences, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054-000, Brazil., Tiera MJ; Department of Chemistry and Environmental Sciences, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054-000, Brazil., Aparecida de Oliveira Tiera V; Department of Chemistry and Environmental Sciences, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054-000, Brazil. vera.oliveira-tiera@unesp.br.
المصدر: International journal of molecular sciences [Int J Mol Sci] 2019 Aug 26; Vol. 20 (17). Date of Electronic Publication: 2019 Aug 26.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI, [2000-
مواضيع طبية MeSH: Membranes, Artificial*, Biopolymers/*chemistry , Chitosan/*chemistry , Surface-Active Agents/*chemistry, Antifungal Agents/chemistry ; Antifungal Agents/pharmacology ; Biopolymers/pharmacology ; Chemical Phenomena ; Mechanical Phenomena ; Solubility ; Steam ; Surface-Active Agents/pharmacology ; Thermogravimetry
مستخلص: The chemical modification of chitosan has been an active subject of research in order to improve the physicochemical and antifungal properties of chitosan-based films. The aim of this study was to evaluate the physiochemical and antifungal properties of films prepared with chitosan and its derivatives containing diethylaminoethyl (DEAE) and dodecyl groups (Dod). Chitosans and selected derivatives were synthesized and characterized, and their films blended with glycerol and sorbitol (5%, 10%, and 20%). They were studied by means of the evaluation of their mechanical, thermal, barrier, and antifungal properties. The collected data showed that molecular weight (Mw), degree of acetylation, and grafting with DEAE and Dod groups greatly affected the mechanical, thickness, color, and barrier properties, all of which could be tailored by the plasticizer percentage. The antifungal study against Aspergillus flavus , Alternaria alternata , Alternaria solani , and Penicillium expansum showed that the films containing DEAE and Dod groups exhibited higher antifungal activity than the non-modified chitosans. The mechanical properties of highly soluble films were improved by the plasticizers at percentages of 5% and 10%, indicating these derivatives as potential candidates for the coating of seeds, nuts and fruits of various crops.
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معلومات مُعتمدة: 2016/15736-0 Fundação de Amparo à Pesquisa do Estado de São Paulo; PNPD 1267244 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
فهرسة مساهمة: Keywords: antifungal activity; chitosan; coating; derivatives; edible films; films
المشرفين على المادة: 0 (Antifungal Agents)
0 (Biopolymers)
0 (Membranes, Artificial)
0 (Steam)
0 (Surface-Active Agents)
9012-76-4 (Chitosan)
تواريخ الأحداث: Date Created: 20190829 Date Completed: 20200122 Latest Revision: 20200225
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC6747211
DOI: 10.3390/ijms20174173
PMID: 31454961
قاعدة البيانات: MEDLINE
الوصف
تدمد:1422-0067
DOI:10.3390/ijms20174173