Gellan gum as a versatile biopolymer: a 20-year bibliometric review with emerging insights into probiotic delivery

Mahmod, Zaleha and Zulkifli, Muhammad Faiz and Wan Ismail, Wan Iryani and Sharifudin, Mohd Ariff and Arzmi, Mohd Hafiz and Mat Amin, Khairul Anuar (2026) Gellan gum as a versatile biopolymer: a 20-year bibliometric review with emerging insights into probiotic delivery. Bioactive Carbohydrates and Dietary Fibre, 36 (1). pp. 1-11. ISSN 2212-6198 E-ISSN 2212-6198

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Abstract

Gellan gum is a versatile microbial polysaccharide distinguished by its tunable physicochemical properties, enabling its transformation from a traditional food hydrocolloid into an advanced functional biomaterial. In this review, a comprehensive bibliometric analysis of 2641 publications indexed in the Web of Science from 2004 to 2024, focusing on gellan gum developments and expanding biomedical relevance, has been conducted. The results reveal continuous and accelerating growth in research output, with Polymer Science, Applied Chemistry, and Food Science Technology identified as leading disciplinary drivers. Keyword network visualizations show shifting interest toward ion-responsive hydrogels, 3D biofabrication, antimicrobial applications, and particularly the emerging potential of gellan gum for probiotic encapsulation and delivery. Mechanistic insights highlight how structural differences between high- and low-acyl gellan gum govern gelation behavior, mechanical performance, and barrier functionality — advancing its suitability for site-specific gastrointestinal release. By mapping influential contributors, citation hotspots, and publication trajectories, this analysis establishes gellan gum as a promising biopolymer with emerging biomedical applications for potential microbiome targeted therapies and functional nutrition, while identifying knowledge gaps and strategic opportunities to accelerate translation from laboratory innovation to industrial application.

Item Type:	Article (Journal)
Uncontrolled Keywords:	Antimicrobial, Bibliometric analysis, Biopolymer, Gellan gum, Probiotic delivery
Subjects:	Q Science > QR Microbiology
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Dentistry Kulliyyah of Dentistry > Department of Fundamental Dental and Medical Sciences
Depositing User:	Prof Ts Dr Mohd Hafiz Arzmi
Date Deposited:	21 Jul 2026 00:54
Last Update:	21 Jul 2026 00:54
Queue Number:	2026-07-Q4114
URI:	http://irep.iium.edu.my/id/eprint/129998

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