Applied Biochemistry and Biotechnology

Journal Information
ISSN / EISSN : 0273-2289 / 1559-0291
Current Publisher: Springer Science and Business Media LLC (10.1007)
Former Publisher: Springer Science and Business Media LLC (10.1385) , Springer Science and Business Media LLC (10.1007) , Springer Singapore (10.1007) , Springer Science and Business Media LLC (10.1007) , Springer Science and Business Media LLC (10.1007)
Total articles ≅ 9,173
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Latest articles in this journal

Utku Devamoglu, Irem Duman, Ecem Saygili,
Applied Biochemistry and Biotechnology pp 1-10; doi:10.1007/s12010-021-03563-3

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Peng Yin, Tong Yu, Jing Liu,
Applied Biochemistry and Biotechnology pp 1-12; doi:10.1007/s12010-021-03549-1

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, Sounak Chanda
Applied Biochemistry and Biotechnology pp 1-13; doi:10.1007/s12010-021-03548-2

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, Jun Mei, Ling Lin, Wei Wang
Applied Biochemistry and Biotechnology pp 1-11; doi:10.1007/s12010-021-03551-7

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, Atef Diab, Hesham Abdulla
Applied Biochemistry and Biotechnology pp 1-18; doi:10.1007/s12010-021-03555-3

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Jieyu Zhou, Yanfei Wu, Qingye Zhang, Guochao Xu,
Applied Biochemistry and Biotechnology pp 1-17; doi:10.1007/s12010-021-03561-5

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, Rene Barbie Browne, Vedant Vikrom Borah, Jayanti Datta Roy
Applied Biochemistry and Biotechnology pp 1-23; doi:10.1007/s12010-021-03557-1

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Writtik Maity, Subhasish Maity, Soumen Bera,
Applied Biochemistry and Biotechnology pp 1-18; doi:10.1007/s12010-021-03562-4

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Jianming Guo, Jianglin Zhao, Ali Nawaz, Ikram Ul Haq, Wenhuan Chang,
Applied Biochemistry and Biotechnology pp 1-14; doi:10.1007/s12010-021-03550-8

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Natthaporn Chotigavin, , Surachai Yaiyen, Sanya Kudan
Applied Biochemistry and Biotechnology pp 1-11; doi:10.1007/s12010-021-03553-5

Abstract:
In this study, we increased β-glucan production from brewer’s yeast, Saccharomyces carlsbergensis RU01, by using tannic acid. High-pressure freezing and transmission electron microscopy (HPF-TEM) revealed that the yeast cell wall obtained from yeast malt (YM) medium supplemented with 0.1% w/v tannic acid was thicker than that of yeast cultured in YM medium alone. The production of β-glucan from S. carlsbergensis RU01 was optimized in 3% w/v molasses and 0.1% w/v diammonium sulfate (MDS) medium supplemented with 0.1% w/v tannic acid. The results showed that MDS medium supplemented with 0.1% w/v tannic acid significantly increased the dry cell weight (DCW), and the β-glucan production was 0.28±0.01% w/v and 11.99±0.04% w/w. Tannic acid enhanced the β-glucan content by up to 42.23%. β-Glucan production in the stirred tank reactor (STR) was 1.4-fold higher than that in the shake flask (SF) culture. Analysis of the β-glucan composition by Fourier transform infrared (FTIR) spectroscopy showed that the β-glucan of S. carlsbergensis RU01 cultured in MDS medium supplemented with 0.1% w/v tannic acid had a higher proportion of polysaccharide than that of the control. In addition, β-glucans from brewer’s yeast can be used as prebiotic and functional foods for human health and in animal feed.
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