啤酒小麦渣作为益生菌载体：通过流化床造粒的理化特性（啤酒小麦渣用于乳酸菌封装）。

IF 3.3 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Journal of the Science of Food and Agriculture Pub Date : 2024-12-16 DOI:10.1002/jsfa.14082

Huei-Rong Guo, Cheng-Di Dong, Anil Kumar Patel, Vishal Sharma, Reeta Rani Singhania, Mei-Ling Tsai

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引用次数: 0

摘要

背景：近年来，在公认的健康益处的推动下，消费者对含有活菌的共生菌的偏好激增。啤酒酿造过程中产生的小麦残渣富含膳食纤维，仍是一种尚未开发的益生菌原料，可用于开发素食益生菌粉末产品。由于担心环境条件、脱水和干燥会影响细菌细胞的活力，研究人员对保护剂（麦芽糊精、l-阿拉伯糖、酪蛋白、乳清蛋白、脱脂奶）和流化床造粒微胶囊进行了研究，以提高植物乳杆菌 NKUST 817 的存活率：研究结果表明，以小麦渣为载体，加入 10%的难消化糊精 FB06，可起到最佳保护作用。研究了流化床造粒的最佳进气温度（45、55 和 65 °C）、细胞存活率以及益生菌粉末的特性，如水分、水活性、吸湿性、溶解性、体积密度和流动性。未添加保护剂的细菌存活率仅为 82.63%-86.96%。然而，添加 10% 难消化糊精 FB06 后，细菌的存活率（在 45-65 °C 下造粒）显著提高到 93.52-95.18%。微胶囊菌粉的水分（2.38-4.36%）和水活性（0.06-0.22）都很低。卡氏指数（10.87-13.62）和豪斯纳比率（1.13-1.16%）表明，粉末流动性良好。此外，粉末在 45 天内保持稳定，菌落形成单位对数为 7.29 log g-1，存活率为 88.69%：这项研究开创了素食益生菌产品开发的先河，同时也解决了优化菌株恢复能力的加工难题。这项研究确定了小麦渣作为益生菌载体的合适候选材料。© 2024 化学工业协会。

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Beer wheat residue as a probiotic carrier: physicochemical properties via fluid bed granulation (Beer wheat residue for lactic acid bacteria encapsulation).

Background: In recent years, consumer preference for symbiotics containing live bacteria has surged, driven by the acknowledged health benefits. Wheat residue from beer brewing, rich in dietary fiber, remains an unexplored prebiotic raw material for developing vegan probiotic powdered products. Concerns about ambient conditions, dehydration and drying affecting bacterial cell viability prompt the investigation of protective agents (maltodextrin, l-arabinose, casein, whey protein, skimmed milk) and fluidized bed granulation microencapsulation for enhancing the survival rate of Lactiplantibacillus plantarum NKUST 817.

Results: The results of the study show that wheat residue, when utilized as the carrier with 10% indigestible dextrin FB06, served as the optimal protective agent. Optimal air inlet temperature (45, 55 and 65 °C) for fluidized bed granulation was investigated along with cell survival rate and probiotic powder characteristics such as moisture, water activity, hygroscopicity, solubility, bulk density and flowability. Bacteria without protective agents showed a survival rate of only 82.63-86.96%. However, the addition of 10% indigestible dextrin FB06 significantly increased in the survival rate of bacteria (granulated at 45-65 °C) to 93.52-95.18%. The microencapsulated bacteria powder exhibited low moisture (2.38-4.36%) and water activity (0.06-0.22). Powder fluidity, indicated by Carr's index (10.87-13.62) and the Hausner ratio (1.13-1.16%), demonstrated good flowability. Furthermore, the powder remained stable for 45 days, with a viable bacteria count of 7.29 log colony-forming units g^-1 and a survival rate of 88.69%.

Conclusion: This study pioneers vegan probiotic product development at the same time as addressing processing challenges to optimize strain resilience. This research stablishes wheat residue as a suitable candidate for a probiotics carrier. © 2024 Society of Chemical Industry.

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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.