Microbial alchemy: upcycling of brewery spent grains into high-value products through fermentation.

IF 8.1 2区 工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Critical Reviews in Biotechnology Pub Date : 2024-11-01 Epub Date: 2024-01-01 DOI:10.1080/07388551.2023.2286430
Vishal Ahuja, Shikha Chauhan, Sukhvinder Singh Purewal, Sanjeet Mehariya, Anil Kumar Patel, Gopalakrishnan Kumar, Mallavarapu Megharaj, Yung-Hun Yang, Shashi Kant Bhatia
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引用次数: 0

Abstract

Spent grains are one of the lignocellulosic biomasses available in abundance, discarded by breweries as waste. The brewing process generates around 25-30% of waste in different forms and spent grains alone account for 80-85% of that waste, resulting in a significant global waste volume. Despite containing essential nutrients, i.e., carbohydrates, fibers, proteins, fatty acids, lipids, minerals, and vitamins, efficient and economically viable valorization of these grains is lacking. Microbial fermentation enables the valorization of spent grain biomass into numerous commercially valuable products used in energy, food, healthcare, and biomaterials. However, the process still needs more investigation to overcome challenges, such as transportation, cost-effective pretreatment, and fermentation strategy. to lower the product cost and to achieve market feasibility and customer affordability. This review summarizes the potential of spent grains valorization via microbial fermentation and associated challenges.

微生物炼金术:通过发酵将酿酒废弃谷物转化为高价值产品。
废谷物是大量可利用的木质纤维素生物质之一,被酿酒厂作为废物丢弃。酿造过程中会产生约 25%-30% 不同形式的废物,仅废谷物就占废物总量的 80%-85%,在全球范围内造成了巨大的废物量。尽管这些谷物含有人体必需的营养成分,如碳水化合物、纤维、蛋白质、脂肪酸、脂类、矿物质和维生素,但目前还缺乏高效且经济可行的谷物增值技术。微生物发酵可将废弃谷物生物质转化为多种具有商业价值的产品,用于能源、食品、医疗保健和生物材料等领域。然而,这一过程仍需要更多的研究,以克服运输、具有成本效益的预处理和发酵策略等挑战。本综述总结了通过微生物发酵实现废谷物资源化的潜力及相关挑战。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Critical Reviews in Biotechnology
Critical Reviews in Biotechnology 工程技术-生物工程与应用微生物
CiteScore
20.80
自引率
1.10%
发文量
71
审稿时长
4.8 months
期刊介绍: Biotechnological techniques, from fermentation to genetic manipulation, have become increasingly relevant to the food and beverage, fuel production, chemical and pharmaceutical, and waste management industries. Consequently, academic as well as industrial institutions need to keep abreast of the concepts, data, and methodologies evolved by continuing research. This journal provides a forum of critical evaluation of recent and current publications and, periodically, for state-of-the-art reports from various geographic areas around the world. Contributing authors are recognized experts in their fields, and each article is reviewed by an objective expert to ensure accuracy and objectivity of the presentation.
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