Shiqi Zhang, Yiming Jiang, Yanjun Tong, Juncai Leng, Tingyi Zhou, Zihan Gao, Han Liu, Chenlu Zhu, Wenbin Zhang, Ruijin Yang
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An Innovative Strategy of Comprehensive Utilization of Tiger Nuts (Cyperus esculentus L.): Simultaneous Extraction of Oil and Glucose Syrup by Amylolysis-Assisted Aqueous Extraction Process
The tiger nut (Cyperus esculentus L.) possesses a substantial nutrition yet its industrialization process is characterized by sluggishness. Herein, we introduced a green approach to achieve simultaneous extraction of oil and glucose syrup from tiger nuts via an amylolysis-assisted aqueous extraction process (AAEP). Briefly, tiger nut flour was rinsed with fivefold distilled water for 1 h to eliminate non-starch polysaccharides and separate the majority of the oil (64.02%). Subsequently, liquefaction was conducted using α-amylase (AMY), followed by saccharification employing amyloglucosidase (AMG) and pullulanase. The operating conditions of amylolysis were optimized which include enzyme dosage and time of liquefaction and saccharification. Eventually, the final yield of oil and glucose syrup reached 89.84% and 89.41%, respectively. Confocal laser scanning microscopy (CLSM) results demonstrated that starch hydrolysis promoted the release of encapsulated oil, which enhanced the extraction efficiency of oil. Overall, our findings highlight that AAEP is an effective industrial approach facilitating comprehensive utilization of tiger nuts.
期刊介绍：
Food and Bioprocess Technology provides an effective and timely platform for cutting-edge high quality original papers in the engineering and science of all types of food processing technologies, from the original food supply source to the consumer’s dinner table. It aims to be a leading international journal for the multidisciplinary agri-food research community.
The journal focuses especially on experimental or theoretical research findings that have the potential for helping the agri-food industry to improve process efficiency, enhance product quality and, extend shelf-life of fresh and processed agri-food products. The editors present critical reviews on new perspectives to established processes, innovative and emerging technologies, and trends and future research in food and bioproducts processing. The journal also publishes short communications for rapidly disseminating preliminary results, letters to the Editor on recent developments and controversy, and book reviews.
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