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| Influence of peanut varieties on the distribution of oil and protein in the aqueous phase system during oil extraction by aqueous enzymatic method |
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| DOI：10.19902/j.cnki.zgyz.1003-7969.230583 |
| KeyWord:peanut variety aqueous enzymatic method aqueous phase system oil distribution protein distribution |
| FundProject:国家自然科学基金区域创新发展联合基金重点支持项目（U21A20270） |
| Author Name | Affiliation | | In order to clarify the influence of peanut varieties on oil extraction by aqueous enzymatic method, the basic compositions of different varieties of peanuts(Yuhua 23,Yuhua 37, Yuhua 9326) were determined, and the effects of peanut varieties as well as the process conditions for oil extraction by aqueous enzymatic method on the distribution of oil and protein in the aqueous phase system were investigated.The results showed that among the three peanut varieties, Yuhua 37 had the highest content of oil, moisture, ash, soluble sugar and soluble total phenol, Yuhua 23 had the highest content of protein (25.36%), and Yuhua 9326 had the highest content of crude fiber (6.59%); the peanut varieties had a significant effect on the distribution of oil and protein in the aqueous phase system; the optimal process conditions for aqueous enzymatic method were obtained by taking the low oil and high protein distribution in the aqueous phase system as a guideline: pulverization time of Yuhua 37 90 s, Yuhua 23 and Yuhua 9326 120 s, enzyme dosage 10%, enzymatic hydrolysis time 2 h, and enzymatic hydrolysis temperature 50 ℃. Under these conditions, the oil distributions of Yuhua 23, Yuhua 37, and Yuhua 9326 in the aqueous phase system were 6.21%, 4.19%, 419%, and the protein distributions were 5099%, 75.68% and 63.84%, respectively. In conclusion, Yuhua 37 can make less oil distribution and more protein distribution in the aqueous phase system in the oil extraction by aqueous enzymatic method in shorter pulverization time, which is more suitable for oil extraction by aqueous enzymatic method. | (1.College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001,China
2.Jining Machinery Design and Research Institute, Jining 272000, Shandong, China) |
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| Abstract: |
| In order to clarify the influence of peanut varieties on oil extraction by aqueous enzymatic method, the basic compositions of different varieties of peanuts(Yuhua 23,Yuhua 37, Yuhua 9326) were determined, and the effects of peanut varieties as well as the process conditions for oil extraction by aqueous enzymatic method on the distribution of oil and protein in the aqueous phase system were investigated.The results showed that among the three peanut varieties, Yuhua 37 had the highest content of oil, moisture, ash, soluble sugar and soluble total phenol, Yuhua 23 had the highest content of protein (25.36%), and Yuhua 9326 had the highest content of crude fiber (6.59%); the peanut varieties had a significant effect on the distribution of oil and protein in the aqueous phase system; the optimal process conditions for aqueous enzymatic method were obtained by taking the low oil and high protein distribution in the aqueous phase system as a guideline: pulverization time of Yuhua 37 90 s, Yuhua 23 and Yuhua 9326 120 s, enzyme dosage 10%, enzymatic hydrolysis time 2 h, and enzymatic hydrolysis temperature 50 ℃. Under these conditions, the oil distributions of Yuhua 23, Yuhua 37, and Yuhua 9326 in the aqueous phase system were 6.21%, 4.19%, 419%, and the protein distributions were 5099%, 75.68% and 63.84%, respectively. In conclusion, Yuhua 37 can make less oil distribution and more protein distribution in the aqueous phase system in the oil extraction by aqueous enzymatic method in shorter pulverization time, which is more suitable for oil extraction by aqueous enzymatic method. |
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