Enzyme recycle and fed-batch addition for high-productivity soybean flour processing to produce enriched soy protein and concentrated hydrolysate of fermentable sugars
Despite having high protein and carbohydrate, soybean flour utilization is limited to partial replacement of animal feed to date. Enzymatic process can be exploited to increase its value by enriching protein content and separating carbohydrate for utilization as fermentation feedstock. Enzyme hydrolysis with fed-batch and recycle designs were evaluated here for achieving this goal with high productivities. Fed-batch process improved carbohydrate conversion, particularly at high substrate loadings of 250-375 g/L. In recycle process, hydrolysate retained a significant portion of the limiting enzyme alpha-galactosidase to accelerate carbohydrate monomerization rate. At single-pass retention time of 6 h and recycle rate of 62.5%, reducing sugar concentration reached up to 120 g/L using 4 ml/g enzyme. When compared with batch and fed-batch processes, the recycle process increased the volumetric productivity of reducing sugar by 36% (vs. fed-batch) to 57% (vs. batch) and that of protein product by 280% (vs. fed-batch) to 300% (vs. batch). (C) 2017 Elsevier Ltd. All rights reserved.
机构:
Ohio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Cheng, Chi
;
Zhou, Yipin
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Ohio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Bioproc Innovat Co, 4734 Bridle Path Ct, Dublin, OH 43017 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Zhou, Yipin
;
Lin, Meng
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Bioproc Innovat Co, 4734 Bridle Path Ct, Dublin, OH 43017 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Lin, Meng
;
Wei, Peilian
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Zhejiang Univ Sci Technol, Sch Biol & Chem Engn, Hangzhou 310023, Zhejiang, Peoples R ChinaOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Wei, Peilian
;
Yang, Shang-Tian
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Ohio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
机构:
Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Du, Jian
;
Cao, Yuan
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Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Cao, Yuan
;
Liu, Guodong
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Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Liu, Guodong
;
Zhao, Jian
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Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Zhao, Jian
;
Li, Xuezhi
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Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Li, Xuezhi
;
Qu, Yinbo
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Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Shandong Univ, Natl Glycoengn Res Ctr, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
机构:
Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Gao, Yueshu
;
Xu, Jingliang
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Xu, Jingliang
;
Yuan, Zhenhong
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Yuan, Zhenhong
;
Zhang, Yu
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Zhang, Yu
;
Liu, Yunyun
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Liu, Yunyun
;
Liang, Cuiyi
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
机构:
Ohio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Cheng, Chi
;
Zhou, Yipin
论文数: 0引用数: 0
h-index: 0
机构:
Ohio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Bioproc Innovat Co, 4734 Bridle Path Ct, Dublin, OH 43017 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Zhou, Yipin
;
Lin, Meng
论文数: 0引用数: 0
h-index: 0
机构:
Bioproc Innovat Co, 4734 Bridle Path Ct, Dublin, OH 43017 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Lin, Meng
;
Wei, Peilian
论文数: 0引用数: 0
h-index: 0
机构:
Zhejiang Univ Sci Technol, Sch Biol & Chem Engn, Hangzhou 310023, Zhejiang, Peoples R ChinaOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
Wei, Peilian
;
Yang, Shang-Tian
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h-index: 0
机构:
Ohio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USAOhio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA
机构:
Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Du, Jian
;
Cao, Yuan
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Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Cao, Yuan
;
Liu, Guodong
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Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Liu, Guodong
;
Zhao, Jian
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h-index: 0
机构:
Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Zhao, Jian
;
Li, Xuezhi
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机构:
Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Li, Xuezhi
;
Qu, Yinbo
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
Shandong Univ, Natl Glycoengn Res Ctr, Jinan 250100, Peoples R ChinaShandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China
机构:
Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Gao, Yueshu
;
Xu, Jingliang
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机构:
Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Xu, Jingliang
;
Yuan, Zhenhong
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Yuan, Zhenhong
;
Zhang, Yu
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Zhang, Yu
;
Liu, Yunyun
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Liu, Yunyun
;
Liang, Cuiyi
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China