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Production of bacterial cellulose from byproduct of citrus juice processing (citrus pulp) by Gluconacetobacter hansenii

文献类型： 外文期刊

作者： Cao, Yan 1 ; Lu, Shengmin 1 ; Yang, Ying 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Food Sci, Hangzhou 310021, Zhejiang, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Post Harvest Handling Fruits, Hangzhou 310021, Zhejiang, Peoples R China

3.Key Lab Fruits & Vegetables Postharvest & Proc Te, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Bacterial cellulose; Gluconacetobacter hansenii; Citrus pulp; Characteristics

期刊名称：CELLULOSE （ 影响因子：5.044； 五年影响因子：5.271 ）

ISSN： 0969-0239

年卷期： 2018 年 25 卷 12 期

页码：

收录情况： SCI

摘要： In this study, bacterial cellulose (BC) was produced by Gluconacetobacter hansenii and Gluconacetobacter xylinum using citrus pulp water (CPW) and coconut water (CW). The productivity and the characteristics of the BCs produced by different strains and media were investigated. The results showed that BC production could reach more than 8.0g DW L-1 by both G. hansenii and G. xylinum (8.42 +/- 0.54 and 8.77 +/- 0.64g L-1) using CPW medium, which was close to the industrial level (9.91 +/- 0.42g L-1) by G. xylinum in CW medium. Therefore, CPW medium had strong universal utilization ability for BC production by both G. hansenii and G. xylinum. On the other hand, BC produced by G. hansenii in CPW medium had low hardness and high water holding capacity, and the preferred orientation of microfiber crystallites in BCs obtained by G. hansenii and G. xylinum using CPW was different. This difference enabled the production of BC products with different physicochemical features based on the requirements. In addition, the economics of BC production using CPW and CW as the raw fermentation materials was analyzed and compared, and the result indicated that the former was more economical and would be a promising candidate for producing BC. Finally, producing BC using CPW to replace the traditional CW medium would expand the raw material collection regions, reduce transportation cost, and realize BC products diversity.

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