Application of Taro (Colocasia esculenta) Mucilage as a Promising Antimicrobial Agent to Extend the Shelf Life of Fresh-Cut Brinjals (Eggplants)

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dc.authoridGoksen, Gulden/0000-0002-5432-7936
dc.authoridTosif, Mansuri M./0000-0002-9077-5429
dc.authoridTrif, Monica/0000-0001-6538-0815
dc.authoridRusu, Alexandru/0000-0002-0026-6138
dc.authoridchawla, Prince/0000-0002-2383-7925
dc.authoridALI, NEMAT/0000-0001-6525-4202
dc.contributor.authorTosif, Mansuri M.
dc.contributor.authorBains, Aarti
dc.contributor.authorGoksen, Gulden
dc.contributor.authorAli, Nemat
dc.contributor.authorRusu, Alexandru Vasile
dc.contributor.authorTrif, Monica
dc.contributor.authorChawla, Prince
dc.date.accessioned2025-03-17T12:25:15Z
dc.date.available2025-03-17T12:25:15Z
dc.date.issued2023
dc.departmentTarsus Üniversitesi
dc.description.abstractTaro rhizomes are a rich source of polysaccharides, including starch and mucilage. However, mucilage has excellent anti-microbial efficacy, and unique gel-forming and techno-functional properties. Therefore, this study aimed to extract and utilize taro mucilage (TM), which is viscous and has a gel-like texture, for the shelf-life enhancement of fresh-cut brinjals (eggplants). Mucilage was extracted using hot-water extraction and the yield was calculated to be 6.25 +/- 0.87% on a dry basis. Different formulations of coating gel solutions were prepared: 1, 2, 3, 4, 5, 6, and 7%. The selection of the coating gel solution was carried out based on particle size. The smallest particle size was observed in treatment T5 (154 +/- 0.81 nm) and zeta potential -27.22 +/- 0.75 mV. Furthermore, cut brinjals were coated with the prepared mucilage gel solution and this showed a significant effect on the overall physicochemical properties of cut brinjals. Maximum weight loss occurred on the 10th day (12.67 +/- 0.24%), as compared with coated brinjals (8.99 +/- 0.42%). Minor changes were observed in pH, for the control sample significantly decreased from 4.58 +/- 0.45 to 2.99 +/- 0.75 on the 0th day to the 10th day, respectively. Titrable acidity of coated and uncoated cut brinjals was found to be at 0.31 +/- 0.44% on the 0th day, which increased up to 0.66 +/- 0.20% for the control and 0.55 +/- 0.68% for coated brinjals on the 10th day. The taro mucilage coating gel (TMCG) solution showed pseudo-plastic behavior or shear-thinning fluid behavior. FTIR data confirmed the existence of several functional groups including various sugars, proteins, and hydroxylic groups. Antioxidant activity of coated and uncoated cut brinjals was found to be 22.33 +/- 0.37% and 22.15 +/- 0.49%, respectively. The TMCG solution showed effective results towards the various food pathogenic microorganisms. Overall, it is a natural, renewable resource that is biodegradable. This makes it an environmentally friendly alternative to synthetic additives or thickeners. It is cost effective, easily available, eco-friendly, and non-toxic. This can be an attractive feature for consumers looking for sustainable and eco-friendly options.
dc.description.sponsorshipKing Saud University [RSPD2023R940]; King Saud University, Riyadh, Saudi Arabia
dc.description.sponsorshipThe authors would like to extend their sincere appreciation to Researchers Supporting Project Number (RSPD2023R940), King Saud University, Riyadh, Saudi Arabia.
dc.identifier.doi10.3390/gels9110904
dc.identifier.issn2310-2861
dc.identifier.issue11
dc.identifier.pmid37998994
dc.identifier.scopus2-s2.0-85178126939
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.3390/gels9110904
dc.identifier.urihttps://hdl.handle.net/20.500.13099/1582
dc.identifier.volume9
dc.identifier.wosWOS:001114556000001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofGels
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250316
dc.subjectanti-microbial
dc.subjectmucilage
dc.subjectpolysaccharide
dc.subjectedible coatings
dc.subjectgel forming
dc.titleApplication of Taro (Colocasia esculenta) Mucilage as a Promising Antimicrobial Agent to Extend the Shelf Life of Fresh-Cut Brinjals (Eggplants)
dc.typeArticle

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