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Wang QL, Yang Q, Kong XP, Chen HQ. Effect of pre-drying and post-frying holding treatments on the oil absorption and quality of fried batter-coated peanuts. Food Chem 2024; 443:138617. [PMID: 38309022 DOI: 10.1016/j.foodchem.2024.138617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 12/02/2023] [Accepted: 01/26/2024] [Indexed: 02/05/2024]
Abstract
In this study, the effect of pre-drying and post-frying holding treatments on the oil absorption and the quality of the fried batter-coated peanuts were explored. The results showed that hot air drying and microwave drying induced the gelatinization of starch in the batter before frying. The thermodynamic properties of starch in the batter after frying indicated that pre-drying could protect the orderliness of the starch. CLSM images showed that the pre-drying treatment reduced the number of large oil spots on the surface of batter of fried batter-coated peanuts. SEM observation revealed that the structure of the batter treated with pre-drying was denser and the number of large pores was reduced after frying. The post-frying holding treatment improved the color and texture of the batter-coated peanuts. In conclusion, the pre-drying and post-frying holding treatment can reduce the oil content and improve the fracturability of the fried batter-coated peanuts.
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Affiliation(s)
- Qing-Lian Wang
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China; School of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China
| | - Qin Yang
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China; School of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China
| | - Xiang-Ping Kong
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China; School of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China
| | - Han-Qing Chen
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China; School of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Hefei, Anhui 230601, PR China.
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