Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Republic of Korea; Department of Chemical Engineering, College of Engineering, Dhofar University, Salalah, 211, Oman.
Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Republic of Korea; Department of Biomedical Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China.
Int J Biol Macromol. 2017 Sep;102:1166-1173. doi: 10.1016/j.ijbiomac.2017.04.110. Epub 2017 May 6.
Bacterial cellulose (BC) has received substantial attention because of its high purity, mechanical strength, crystallinity, liquid-absorbing capabilities, biocompatibility, and biodegradability etc. These properties allow BC to be used in various fields, especially in industries producing medical, electronic, and food products etc. A major discrepancy associated with BC is its high production cost, usually much higher than the plant cellulose. To address this limitations, researchers have developed several strategies for enhanced production of BC including the designing of advanced reactors and utilization of various carbon sources. Another promising approach is the production of BC from waste materials such as food, industrial, agricultural, and brewery wastes etc. which not only reduces the overall BC production cost but is also environment-friendly. Besides, exploration of novel and efficient BC producing microbial strains provides impressive boost to the BC production processes. To this end, development of genetically engineered microbial strains has proven useful for enhanced BC production. In this review, we have summarized major efforts to enhance BC production in order to make it a cost-effective biopolymer. This review can be of interest to researchers investigating strategies for enhanced BC production, as well as companies exploring pilot projects to scale up BC production for industrial applications.
细菌纤维素(BC)因其高纯度、机械强度、结晶度、吸液能力、生物相容性和可生物降解性等特点而受到广泛关注。这些特性使其可应用于各个领域,尤其是在生产医疗、电子和食品等产品的行业。BC 的一个主要缺点是生产成本高,通常比植物纤维素高得多。为了解决这一限制,研究人员开发了几种提高 BC 产量的策略,包括设计先进的反应器和利用各种碳源。另一种很有前途的方法是利用废物生产 BC,如食品、工业、农业和啤酒厂废物等,这不仅降低了整体 BC 生产成本,而且还环保。此外,探索新型高效的 BC 生产微生物菌株也为 BC 生产过程提供了巨大的推动力。为此,开发基因工程微生物菌株已被证明有助于提高 BC 的产量。在这篇综述中,我们总结了提高 BC 产量的主要努力,以使它成为一种具有成本效益的生物聚合物。这篇综述可能对研究提高 BC 产量的策略的研究人员以及探索用于工业应用的 BC 生产扩大试点项目的公司都有兴趣。