Microencapsulating Lacticaseibacillus rhamnosus GG by spray drying using pea protein, pectin, and tapioca flour: Probiotic viability, digestibility and thermal stability

IF 3.5 2区农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Food and Bioproducts Processing Pub Date : 2025-01-22 DOI:10.1016/j.fbp.2025.01.011

Newton Carlos Santos , Raphael Lucas Jacinto Almeida , Shênia Santos Monteiro , Thalis Leandro Bezerra de Lima , Alexandre da Silva Lúcio , Lídia Paloma da Silva Nogueira , Yaroslávia Ferreira Paiva , Mailson Gonçalves Gregório , Ana Carla de Oliveira Brito , Luanna Amado da Silva , Douglas Vinicius Pinheiro de Figueiredo , Rosenildo dos Santos Silva , Mércia Melo de Almeida Mota , Matheus Augusto de Bittencourt Pasquali , Severina de Sousa , Ana Paula Trindade Rocha

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引用次数: 0

Abstract

This study aimed to develop an efficient route for the encapsulation of the probiotic Lacticaseibacillus rhamnosus GG by spray drying, using a combination of pea protein, pectin, tapioca flour, and maltodextrin as wall materials. For this purpose, five formulations were prepared with 5 % cell suspension: F1 (5 % maltodextrin, 5 % pea protein, 5 % tapioca flour, and 1 % pectin), F2 (10 % maltodextrin, 4 % pea protein, and 2 % tapioca flour), F3 (10 % maltodextrin, 2 % pea protein, and 4 % tapioca flour), and F4 (7.5 % pea protein, 7.5 % tapioca flour, and 1 % pectin). The microparticles were evaluated for encapsulation efficiency (EE), structural characteristics, thermal resistance, in vitro simulated gastrointestinal digestion, physical characteristics, and probiotic viability during storage. All samples exhibited EE values ranging from 88.76 % to 94.58 %, low moisture content (5.19–6.70 %), high solubility (78.55–85.26 %), and hygroscopicity below 10 %. The microparticles exhibited an amorphous nature and varied morphological aspects; F2 showed a smooth and uniform surface with slight irregularities, which possibly contributed to its effective encapsulation properties. In thermal resistance tests, F1 showed the highest viability at 80 °C for 5 min (65.95 %), while at 60 °C for 30 min, survival ranged from 43.92 % (F2) to 61.18 % (F1) (p < 0.05). The F2 stood out for its greater resistance and significant number of viable cells during the in vitro digestive process. After 7 weeks of storage at 8 °C and 25 °C, the F1, stored at 8 °C, maintained the highest cell viability at the end of the period (8.02 log CFU/g). These findings demonstrate that the specific formulations developed, particularly F1 and F2, offer enhanced thermal resistance, encapsulation efficiency, and storage stability, making them highly suitable for potential applications in the food and pharmaceutical industries as probiotic delivery systems.

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来源期刊

Food and Bioproducts Processing 工程技术-工程：化工

CiteScore

9.70

自引率

4.30%

发文量

115

审稿时长

24 days

期刊介绍： Official Journal of the European Federation of Chemical Engineering: Part C FBP aims to be the principal international journal for publication of high quality, original papers in the branches of engineering and science dedicated to the safe processing of biological products. It is the only journal to exploit the synergy between biotechnology, bioprocessing and food engineering. Papers showing how research results can be used in engineering design, and accounts of experimental or theoretical research work bringing new perspectives to established principles, highlighting unsolved problems or indicating directions for future research, are particularly welcome. Contributions that deal with new developments in equipment or processes and that can be given quantitative expression are encouraged. The journal is especially interested in papers that extend the boundaries of food and bioproducts processing. The journal has a strong emphasis on the interface between engineering and food or bioproducts. Papers that are not likely to be published are those: • Primarily concerned with food formulation • That use experimental design techniques to obtain response surfaces but gain little insight from them • That are empirical and ignore established mechanistic models, e.g., empirical drying curves • That are primarily concerned about sensory evaluation and colour • Concern the extraction, encapsulation and/or antioxidant activity of a specific biological material without providing insight that could be applied to a similar but different material, • Containing only chemical analyses of biological materials.