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Bian Y, Pan J, Gao D, Feng Y, Zhang B, Song L, Wang L, Ma X, Liang L. Bioactive metabolite profiles and quality of Rosa rugosa during its growing and flower-drying process. Food Chem 2024; 450:139388. [PMID: 38640529 DOI: 10.1016/j.foodchem.2024.139388] [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: 12/07/2023] [Revised: 04/08/2024] [Accepted: 04/14/2024] [Indexed: 04/21/2024]
Abstract
Rosa rugosa is extensively cultivated in China for its remarkable fragrance and flavor, however, the metabolic changes in roses during growth and drying remain unclear. Our results revealed significant variations in phenol and flavonoid contents and antioxidant capacity in roses (Rosa rugosa f. plena (Regel) Byhouwer) under different conditions. Phenol contents were positively correlated with antioxidant capacity, with phytochemicals being most prominent in unfolded petals. The highest antioxidant capacity and phenol and flavonoid contents were observed in April. Considering their greater consumption value, whole flowers were more suitable than petals alone. Furthermore, considerable sensory and nutritional differences were observed in dried roses. Different drying methods increased their total phenol content of roses by 4.2-5.4 times and the antioxidant capacity by 2.9 times. Metabolomics revealed the altered contents of flavonoids, anthocyanins, lipids, amino acids, and saccharides. This study provides baseline data for the potential of roses as a natural source of antioxidants in the food and pharmaceutical industries.
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Affiliation(s)
- Yanli Bian
- Shandong Academy of Pesticide Sciences Institute of Residue Technology, Shandong Academy of Agricultural Sciences, Jinan 250033, China
| | - Jinju Pan
- Shandong Academy of Pesticide Sciences Institute of Residue Technology, Shandong Academy of Agricultural Sciences, Jinan 250033, China
| | - Deliang Gao
- Shandong Academy of Pesticide Sciences Institute of Residue Technology, Shandong Academy of Agricultural Sciences, Jinan 250033, China
| | - Yizhi Feng
- Shandong Academy of Pesticide Sciences Institute of Residue Technology, Shandong Academy of Agricultural Sciences, Jinan 250033, China
| | - Bingjie Zhang
- Shandong Academy of Pesticide Sciences Institute of Residue Technology, Shandong Academy of Agricultural Sciences, Jinan 250033, China
| | - Le Song
- Institute of Quality Standard and Testing Technology, BAAFS (Beijing Academy of Agriculture and Forestry Sciences), Beijing 100097, China
| | - Lei Wang
- Shandong Agricultural Ecology and Resource Protection Station, Jinan 250033, China
| | - Xingang Ma
- Shandong Academy of Pesticide Sciences Institute of Residue Technology, Shandong Academy of Agricultural Sciences, Jinan 250033, China
| | - Lin Liang
- Shandong Academy of Pesticide Sciences Institute of Residue Technology, Shandong Academy of Agricultural Sciences, Jinan 250033, China.
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Li X, Zhou Y, Dong H, Sun T, Liu Y, Cheng S, Chen G. Effects of ultrasonication and freeze-thaw pretreatments on the vacuum freeze-drying process and quality characteristics of apricot ( Prunus armeniaca L. cv. Diaoganxing). Food Chem X 2024; 22:101357. [PMID: 38623517 PMCID: PMC11016973 DOI: 10.1016/j.fochx.2024.101357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 03/22/2024] [Accepted: 04/03/2024] [Indexed: 04/17/2024] Open
Abstract
The combination of pretreatment and vacuum freeze-drying (VFD) technology is an effective technique for extending the shelf life of apricots, reducing costs and energy consumption. However, the impact of pretreatment on the freeze-drying and quality characteristics of apricots is still unclear. The effects of ultrasound (US), freeze-thaw (FT), and their combination (FT-US) on water migration and quality characteristics of apricot slices on VFD were studied. LR-NMR and SEM showed that pretreatment significantly reduced the time (19.05%-33.33%) and energy consumption (17.67%-35.66%) of the VFD process. Compared with the control group, the US, FT, and FT-US improved the color, texture, rehydration ability, and flavor of apricot slices. Among them, FT-US retained the most biologically active substances and antioxidant capacity, with the highest sensory score. Overall, FT-US pretreatment induced changes in the microstructure and chemistry of apricots, which contributed to the production of high-quality VFD apricot slices.
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Affiliation(s)
- Xin Li
- College of Food, Shihezi University, Shihezi 832000, PR China
- Research Center of Xinjiang Characteristic Fruit and Vegetable Storage and Processing Engineering, Ministry of Education, Shihezi, Xinjiang 832000, PR China
| | - Yan Zhou
- College of Food, Shihezi University, Shihezi 832000, PR China
- Research Center of Xinjiang Characteristic Fruit and Vegetable Storage and Processing Engineering, Ministry of Education, Shihezi, Xinjiang 832000, PR China
| | - Hao Dong
- Shihezi Testing Institute of Quality and Metrology, Shihezi 832000, PR China
| | - Tongrui Sun
- College of Food, Shihezi University, Shihezi 832000, PR China
- Research Center of Xinjiang Characteristic Fruit and Vegetable Storage and Processing Engineering, Ministry of Education, Shihezi, Xinjiang 832000, PR China
| | - Yuxing Liu
- College of Food, Shihezi University, Shihezi 832000, PR China
- Research Center of Xinjiang Characteristic Fruit and Vegetable Storage and Processing Engineering, Ministry of Education, Shihezi, Xinjiang 832000, PR China
| | - Shaobo Cheng
- College of Food, Shihezi University, Shihezi 832000, PR China
- Research Center of Xinjiang Characteristic Fruit and Vegetable Storage and Processing Engineering, Ministry of Education, Shihezi, Xinjiang 832000, PR China
| | - Guogang Chen
- College of Food, Shihezi University, Shihezi 832000, PR China
- Research Center of Xinjiang Characteristic Fruit and Vegetable Storage and Processing Engineering, Ministry of Education, Shihezi, Xinjiang 832000, PR China
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Zhao Y, Qiao S, Zhu X, Guo J, Peng G, Zhu X, Gu R, Meng Z, Wu Z, Gan H, Guifang D, Jin Y, Liu S, Sun Y. Effect of different drying methods on the structure and properties of porous starch. Heliyon 2024; 10:e31143. [PMID: 38813237 PMCID: PMC11133660 DOI: 10.1016/j.heliyon.2024.e31143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 05/08/2024] [Accepted: 05/10/2024] [Indexed: 05/31/2024] Open
Abstract
In order to investigate the effects of different drying methods on the properties of porous starch. The present study used four drying methods, namely hot air drying (HD), spray drying (SPD), vacuum freeze drying (FD) and supercritical carbon dioxide drying (SCD) to prepare maize and kudzu porous starch. Findings indicated that the physicochemical properties (e.g., morphology, crystallinity, enthalpy value, porosity, surface area and water absorption capacity as well as dye absorption capacity, particle size) of porous starch were significantly affected by the drying method. Compared with other samples, SCD-treated porous starch exhibited the highest surface areas of the starch (2.943 and 3.139 m2/g corresponding to kudzu and maize, respectively), amylose content (22.02 % and 16.85 % corresponding to kudzu and maize, respectively), MB and NR absorption capacity (90.63 %, 100.26 % and 90.63 %, 100.26 %, corresponding to kudzu ad maize, respectively), and thermal stability, whereas HD-treated porous starch showed the highest water-absorption capacity (123.8 % and 131.31 % corresponding to kudzu and maize, respectively). The dye absorption of the maize and kudzu porous starch was positively correlated with surface area, according to Pearson's correlation analysis. Therefore, in this study, our aim was to explore the effects of different drying methods on the Structure and properties of porous starch, and provide reference for selecting the best drying method for its application in different fields.
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Affiliation(s)
- Yuanyuan Zhao
- Anhui Medical University, Hefei, 230000, China
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Simo Qiao
- Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Xiaohui Zhu
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Jinnan Guo
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Guanqun Peng
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Xiaoxia Zhu
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Ruolan Gu
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Zhiyun Meng
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Zhuona Wu
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Hui Gan
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Dou Guifang
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Yiguang Jin
- Anhui Medical University, Hefei, 230000, China
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Shuchen Liu
- Anhui Medical University, Hefei, 230000, China
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Yunbo Sun
- Anhui Medical University, Hefei, 230000, China
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
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Cheng Y, Dai L, Zhang L, Yu B, Yang C, Zhou L, Lou B. Study on the Drying Kinetics of Zinc Smelting Iron Slag Assisted by Ultrasonic Waves. ACS OMEGA 2024; 9:2578-2584. [PMID: 38250423 PMCID: PMC10795127 DOI: 10.1021/acsomega.3c07344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/29/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024]
Abstract
This study investigates the impact of ultrasonic treatment on the drying kinetics of zinc smelting iron slag. Through the Arrhenius equation, it was found that the reaction order of zinc smelting iron slag remains constant at 1/2 before and after ultrasonic treatment, indicating a proportional relationship between the reaction rate and the square root of the reactant concentration. Despite the increased drying rate of the iron slag due to ultrasonic pretreatment, the reaction order remains at 1/2. Additionally, it was observed that the drying kinetics of untreated iron slag aligns with the Wang and Singh model, while the drying kinetics of ultrasonically pretreated iron slag fits the Page model. The Page model facilitates the prediction of drying rate and drying time for ultrasonically pretreated iron slag, enabling the optimization of the drying process, enhancing efficiency, and comparing drying performance under different conditions. Using ultrasonic pretreatment, the subsequent drying process of iron slag can significantly shorten the time and save energy. These findings provide essential theoretical foundations for optimizing the drying process of zinc smelting iron slag.
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Affiliation(s)
- Yue Cheng
- National
Local Joint Laboratory of Engineering Application of Microwave Energy
and Equipment Technology, Kunming, Yunnan 650093, China
- Faculty
of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Linqing Dai
- National
Local Joint Laboratory of Engineering Application of Microwave Energy
and Equipment Technology, Kunming, Yunnan 650093, China
- Faculty
of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Libo Zhang
- National
Local Joint Laboratory of Engineering Application of Microwave Energy
and Equipment Technology, Kunming, Yunnan 650093, China
- Faculty
of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Bo Yu
- National
Local Joint Laboratory of Engineering Application of Microwave Energy
and Equipment Technology, Kunming, Yunnan 650093, China
- Faculty
of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Chuxuan Yang
- National
Local Joint Laboratory of Engineering Application of Microwave Energy
and Equipment Technology, Kunming, Yunnan 650093, China
- Faculty
of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Liang Zhou
- National
Local Joint Laboratory of Engineering Application of Microwave Energy
and Equipment Technology, Kunming, Yunnan 650093, China
- Faculty
of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Baichuan Lou
- Nanjing
Greentown Real Estate Co Ltd., Nanjing, Jiangsu 210000, China
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5
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Suo K, Feng Y, Zhang Y, Yang Z, Zhou C, Chen W, Shi L, Yan C. Comparative Evaluation of Quality Attributes of the Dried Cherry Blossom Subjected to Different Drying Techniques. Foods 2023; 13:104. [PMID: 38201132 PMCID: PMC10778660 DOI: 10.3390/foods13010104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Choosing an appropriate drying method is crucial for producing dried cherry blossoms with desirable quality. This study is designed to assess the effects of seven different drying methods-hot-air drying (HAD), infrared hot-air drying (IHAD), catalytic infrared drying (CID), relative humidity drying (RHD), pulsed vacuum drying (PVD), microwave vacuum drying (MVD), and vacuum freeze drying (VFD)-on drying time and various attributes of cherry blossoms, such as appearance, bioactive compounds, antioxidant activity, α-glucosidase activity, and sensory properties. Our findings revealed that MVD recorded the shortest drying time, followed by PVD, CID, IHAD, RHD, HAD, and VFD. In qualities, VFD-dried petals exhibited superior appearance, bioactive compounds, antioxidant activity, and α-glucosidase inhibitory capability; MVD-dried petals were a close second. Furthermore, the quality of tea infusions prepared from the dried petals was found to be significantly correlated with the quality of the dried petals themselves. Regarding sensory attributes, VFD-dried petals produced tea infusions most similar in flavor and taste to those made with fresh petals and received the highest sensory evaluation scores, followed by MVD, PVD, RHD, CID, IHAD, and HAD. These results could offer a scientific foundation for the mass production of high-quality dried cherry blossoms in the future.
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Affiliation(s)
- Kui Suo
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China (Z.Y.)
| | - Yabin Feng
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China (Z.Y.)
| | - Yang Zhang
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China (Z.Y.)
| | - Zhenfeng Yang
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China (Z.Y.)
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Wei Chen
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China (Z.Y.)
| | - Liyu Shi
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China (Z.Y.)
| | - Chunfeng Yan
- Haishu Agricultural Extension Center of Zhejiang, Ningbo 315100, China
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Chen Y, Yang D, Ouyang N, Lei S, Liu H, Huang Y, Wu J. Optimization of limonin invertase production by scaling up Aspergillus tubingensis UA13 fermentation to a 5-l scale. Lett Appl Microbiol 2023; 76:ovad133. [PMID: 38037435 DOI: 10.1093/lambio/ovad133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 11/13/2023] [Accepted: 11/29/2023] [Indexed: 12/02/2023]
Abstract
The enzymatic approach is a highly effective and the major scientific method to eliminating bitter components in citrus-derived products nowadays. Microbial production of limonin invertase stands out due to its pivotal role in the removal of the bitter substance, limonin. The optimization of fermentation parameters and the study of scale-up fermentation are imperative for product commercialization. In this study, we focused on optimizing stirring speed, fermentation temperature, and initial pH to enhance the growth and limonin invertase production by the Aspergillus tabin strain UA13 in a 5-l stirred-tank bioreactor. Our results revealed the following optimal parameters are: a stirring speed of 300 rpm, a fermentation temperature of 35°C and a pH 5.0. Under these optimized conditions, the limonin invertase activity reached its peak at 63.38 U ml-1, representing a 1.67-fold increase compared to the unoptimized conditions (38.10 U ml-1), while also reducing the fermentation duration by 12 h. Furthermore, our research demonstrated that limonin invertase effectively hydrolyze limonin in grapefruit juice, reducing its content from 13.28 to 2.14 μg ml-1, as determined by HPLC, resulting in a 6.21-fold reduction of the bitter substance.
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Affiliation(s)
- Yuting Chen
- College of Biological and Pharmaceutical, China Three Gorges University, Yichang 443002, China
| | - Dandan Yang
- College of Biological and Pharmaceutical, China Three Gorges University, Yichang 443002, China
| | - Nongfei Ouyang
- College of Biological and Pharmaceutical, China Three Gorges University, Yichang 443002, China
| | - Shengjiao Lei
- College of Biological and Pharmaceutical, China Three Gorges University, Yichang 443002, China
- Hubei Key Laboratory of Natural Products Research and Development, China Three Gorges University, Yichang 443002, China
| | - Haiyan Liu
- College of Biological and Pharmaceutical, China Three Gorges University, Yichang 443002, China
| | - Yiwei Huang
- College of Biological and Pharmaceutical, China Three Gorges University, Yichang 443002, China
| | - Junqian Wu
- College of Biological and Pharmaceutical, China Three Gorges University, Yichang 443002, China
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Yao J, Chen W, Fan K. Novel Efficient Physical Technologies for Enhancing Freeze Drying of Fruits and Vegetables: A Review. Foods 2023; 12:4321. [PMID: 38231776 DOI: 10.3390/foods12234321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 01/19/2024] Open
Abstract
Drying is the main technical means of fruit and vegetable processing and storage; freeze drying is one of the best dehydration processes for fruit and vegetables, and the quality of the final product obtained is the highest. The process is carried out under vacuum and at low temperatures, which inhibits enzymatic activity and the growth and multiplication of micro-organisms, and better preserves the nutrient content and flavor of the product. Despite its many advantages, freeze drying consumes approximately four to ten times more energy than hot-air drying, and is more costly, so freeze drying can be assisted by means of highly efficient physical fields. This paper reviews the definition, principles and steps of freeze drying, and introduces the application mechanisms of several efficient physical fields such as ultrasonic, microwave, infrared radiation and pulsed electric fields, as well as the application of efficient physical fields in the freeze drying of fruits and vegetables. The application of high efficiency physical fields with freeze drying can improve drying kinetics, increase drying rates and maintain maximum product quality, providing benefits in terms of energy, time and cost. Efficient physical field and freeze drying technologies can be well linked to sustainable deep processing of fruit and vegetables and have a wide range of development prospects.
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Affiliation(s)
- Jianhua Yao
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Wenjuan Chen
- National Polymer Materials Industry Innovation Center Co., Ltd., Guangzhou 510530, China
| | - Kai Fan
- College of Life Science, Yangtze University, Jingzhou 434025, China
- Institute of Food Science and Technology, Yangtze University, Jingzhou 434025, China
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Hu D, Liu X, Qin Y, Yan J, Li R, Yang Q. The impact of different drying methods on the physical properties, bioactive components, antioxidant capacity, volatile components and industrial application of coffee peel. Food Chem X 2023; 19:100807. [PMID: 37780243 PMCID: PMC10534175 DOI: 10.1016/j.fochx.2023.100807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 10/03/2023] Open
Abstract
This study evaluated the effects of hot air drying (HAD), microwave drying (MD), vacuum drying (VD), sun drying (SD) and vacuum freeze drying (VFD) on the physical properties, bioactive components, antioxidant capacity, volatile components and industrial application of coffee peel. The results showed VFD could retain the appearance color, total phenolics (19.49 mg GAE/g DW), total flavonoids (9.65 mg CE/g DW), caffeine (3.15 mg/g DW), trigonelline (2.71 mg/g DW), and antioxidant capacities of fresh sample to the greatest extent, but its operating cost was significantly higher than other treatments and total volatile components were in the minimum levels. HAD and SD exhibited the highest loss rates of total phenols and antioxidant capacities, exceeding 50%. MD offered the lowest operating cost, superior retention of bioactive components, and the richest variety and quantity of volatile compounds. Therefore, it is recommended to use MD to dehydrate the coffee peel in actual production.
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Affiliation(s)
- Dongsheng Hu
- Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, PR China
| | - Xiaogang Liu
- Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, PR China
| | - Yuyue Qin
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, PR China
| | - Jiatong Yan
- College of Biomass Science and Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Rongmei Li
- Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, PR China
| | - Qiliang Yang
- Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, PR China
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Wang T, Ying X, Zhang Q, Xu Y, Jiang C, Shang J, Zang Z, Wan F, Huang X. Evaluation of the Effect of Ultrasonic Pretreatment on the Drying Kinetics and Quality Characteristics of Codonopsis pilosula Slices Based on the Grey Correlation Method. Molecules 2023; 28:5596. [PMID: 37513468 PMCID: PMC10385178 DOI: 10.3390/molecules28145596] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/11/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Ultrasonic (US) maltreatment was performed before the vacuum far-infrared drying (VFID) of Codonopsis pilosula (CP) slices to investigate the effects of different US parameters on the drying characteristics and nutrients of CP slices. The grey correlation method with relative correlation degree (ri) as the evaluation measure was used to construct a model for the evaluation of the pretreatment quality of CP and to determine the optimal pretreatment conditions. The results showed that with the increase in US frequency and power, the drying rate increased. Under the conditions of US power of 180 W, frequency of 60 kHz and a pre-treatment time of 30 min, the drying time reduced by 28.6%. The contents of polysaccharide and syringin in dried CP slices pretreated by US increased by 14.7% and 62.0%, respectively, compared to the non-pre-treated samples, while the total flavonoid content decreased by 10.0%. In terms of colour, pretreatment had a certain protective effect on the red colour of dried products. The highest relative correlation (0.574) and the best overall quality of performance were observed at 180 W, 60 kHz and 30 min. Overall, US technology is suitable for the pretreatment processing of CP, which is of great significance to the drying of CP.
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Affiliation(s)
- Tongxun Wang
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Xinyu Ying
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Qian Zhang
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Yanrui Xu
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Chunhui Jiang
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Jianwei Shang
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Zepeng Zang
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Fangxin Wan
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Xiaopeng Huang
- College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou 730070, China
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10
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Wang M, Li X, Ding H, Chen H, Liu Y, Wang F, Chen L. Comparison of the volatile organic compounds in Citrus reticulata 'Chachi' peel with different drying methods using E-nose, GC-IMS and HS-SPME-GC-MS. FRONTIERS IN PLANT SCIENCE 2023; 14:1169321. [PMID: 37265640 PMCID: PMC10231685 DOI: 10.3389/fpls.2023.1169321] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 04/17/2023] [Indexed: 06/03/2023]
Abstract
Introduction Citrus reticulata 'Chachi' peel (CRCP), which is named "Guangchenpi" in China, is a geographical indication product with unique flavor properties. CRCP has been used for centuries as a traditional genuine herb because of its excellent therapeutic effects. In addition, owing to its unique odor and high nutrition, it is widely used in various food preparations. Volatile organic compounds (VOCs) are regarded as an important quality marker for CRCP and are highly susceptible to effects in the drying process due to their thermal instability. Methods In the current study, the main VOCs in CRCP were processed using different drying methods, including sun-drying, hot air drying, and vacuum-freeze drying. The VOCs were identified by the electronic nose (E-nose), gas chromatography-ion mobility spectrometry (GC-IMS), and headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). Results The results showed that the CRCP dried by vacuum-freeze exhibited the highest VOCs contents and retained the richest compounds compared to those dried by other methods, which indicated that vacuum-freeze drying is the most suitable for CRCP production. Furthermore, the chemometrics analysis revealed that the primary differential metabolites of the samples generated using different drying methods were terpenes and esters. Discussion Overall, our study would help better understand the VOCs present in CRCP with different drying methods. The outcomes of the current study would guide the drying and processing of CRCP, which is beneficial for large-scale storage and industrial production of CRCP.
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Affiliation(s)
| | | | | | | | | | - Fu Wang
- *Correspondence: Fu Wang, ; Lin Chen,
| | - Lin Chen
- *Correspondence: Fu Wang, ; Lin Chen,
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Guo X, Hao Q, Qiao X, Li M, Qiu Z, Zheng Z, Zhang B. An evaluation of different pretreatment methods of hot-air drying of garlic: Drying characteristics, energy consumption and quality properties. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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12
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Santos NC, Almeida RLJ, Saraiva MMT, de Alcântara Ribeiro VH, de Sousa FM, de Lima TLB, de Alcântara Silva VM, André AMMCN, Leite Filho MT, de Almeida Mota MM. Application of microwave-assisted freeze–thaw pretreatment in kiwi drying: mass transfer, X-ray diffraction and bioaccessibility of phenolic compounds. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2023. [DOI: 10.1007/s11694-023-01895-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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13
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Application of ultrasonication as pre-treatment for freeze drying: An innovative approach for the retention of nutraceutical quality in foods. Food Chem 2023; 404:134571. [DOI: 10.1016/j.foodchem.2022.134571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 09/23/2022] [Accepted: 10/08/2022] [Indexed: 11/22/2022]
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14
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Bai G, Cao X, Zhu D, Li J. Effect mechanism of freeze–thaw cycles on browning of “Nanguo” pears peel. J FOOD PROCESS ENG 2023. [DOI: 10.1111/jfpe.14308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Affiliation(s)
- Ge Bai
- College of Food Science and Technology, Bohai University National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products Jinzhou Liaoning China
| | - Xuehui Cao
- College of Food Science and Technology, Bohai University National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products Jinzhou Liaoning China
| | - Danshi Zhu
- College of Food Science and Technology, Bohai University National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products Jinzhou Liaoning China
| | - Jianrong Li
- College of Food Science and Technology, Bohai University National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products Jinzhou Liaoning China
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15
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Influence of Ultrasound-Assisted Vacuum Drying on Physicochemical Characteristics, Antioxidant Activity, and α-Glucosidase Inhibition Activity of Flos Sophorae Immaturus. Foods 2023; 12:foods12030671. [PMID: 36766199 PMCID: PMC9914521 DOI: 10.3390/foods12030671] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Flos Sophorae Immaturus (FSI) contains a large number of bioactive substances with antioxidant and hypoglycaemic activity. However, a feasible drying process plays an important role in the retention of its biological activity. The present work investigated the effects of ultrasound-assisted vacuum drying (UAVD) on FSI samples in terms of drying time, colour, microstructure, and total flavonoid content (TFC). Meanwhile, the antioxidant activity and α-glucosidase inhibition activity were also evaluated. The results show that the drying time of UVAD samples was decreased by 40% compared to that of the single vacuum-dried (VD) samples (600 W for 10 min). The cellular porous structures of FSI tissue were formed by UAVD, which promoted the migration of water from the inside to the outside. Furthermore, samples treated by UAVD exhibited better antioxidant activities and α-glucosidase and α-amylase inhibition capacities, with DPPH (81.86%), ABTS (88.61%), FRAP (83.05%), α-glucosidase inhibition capacity (89%), α-amylase (85%), drying time (3 h), and total aberration (ΔE) (1.63) being the highest characteristic traits. In this condition, the highest levels of total flavonoid content (TFC), rutin, quercetin, kaempferol, isorhamnetin, and genistein were obtained with 266.94, 239.46, 35.56, 8.54, 10.37, and 5.64 mg/g DW, respectively. The results confirm that UAVD is a novel method that significantly reduced the VD time and promoted the release of the bioactive substances of FSI.
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16
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Yue-han Z, Yi-peng C, Zhao-hua H. Effect of different drying techniques on rose ( Rosa rugosa cv. Plena) proteome based on label-free quantitative proteomics. Heliyon 2023; 9:e13158. [PMID: 36747566 PMCID: PMC9898662 DOI: 10.1016/j.heliyon.2023.e13158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/22/2023] Open
Abstract
To explore the molecular mechanisms of different processing technologies on rose tea (Rosa rugosa cv. Plena), we investigated the rose tea proteome (fresh rose tea [CS], vacuum freeze-drying rose tea [FD], and vacuum microwave rose tea [VD]) using label-free quantification proteomics (LFQ). A total of 2187 proteins were identified, with 1864, 1905, and 1660 proteins identified in CS, FD, and VD, respectively. Of those, 1500 proteins were quantified. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) annotation and enrichment analysis of differential expression proteins (DEPs) in VD vs. CS, FD vs. CS, and FD vs. VD showed that these pathways were associated with energy metabolism, the metabolic breakdown of energy substances and protein biosynthesis, such as oxidative phosphorylation, citrate cycle, carbon metabolism pathways, and ribosome and protein processing in endoplasmic reticulum. FD could ensure the synthesis of protein translation and energy metabolism, thereby maintaining the high quality of rose tea.
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17
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Xu B, Feng M, Chitrakar B, Cheng J, Wei B, Wang B, Zhou C, Ma H. Multi-frequency power thermosonication treatments of clear strawberry juice: Impact on color, bioactive compounds, flavor volatiles, microbial and polyphenol oxidase inactivation. INNOV FOOD SCI EMERG 2023. [DOI: 10.1016/j.ifset.2023.103295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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18
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Feng M, Xu B, Nahidul Islam M, Zhou C, Wei B, Wang B, Ma H, Chang L. Individual and synergistic effect of multi-frequency ultrasound and electro-infrared pretreatments on polyphenol accumulation and drying characteristics of edible roses. Food Res Int 2023; 163:112120. [PMID: 36596088 DOI: 10.1016/j.foodres.2022.112120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/28/2022] [Accepted: 11/06/2022] [Indexed: 11/13/2022]
Abstract
The freeze-dried (FD) edible roses with high content of bioactive substances and superior flavor have been favored by consumers. Nevertheless, the development of freeze-dried rose industry has been plagued by a long drying time and low efficiency. This study investigated the effects of ultrasonic pretreatment (UP) in multi-frequency modes and electro-infrared pretreatment (EIP) prior to FD on polyphenol accumulation and drying characteristics of roses. The mechanism was explored by the changes in microstructure, equivalent circuit parameters, and phenol identifications of rose. The results showed that the FD time of roses decreased by 26 % after ultrasonic-infrared sequential synergistic pretreatment (UP + EIP) due to the damage of cell membrane permeability from UP. The quality attributes of UP + EIP products including color, phenols, and antioxidant activity (DPPH and ABTS radical scavenging rates) remarkably improved. UP + EIP significantly (p < 0.05) increased the content of polyphenols, namely quercetin-3β-d-glucoside, phlorizin, procyanidin B2, gallicacid, and rutin in the FD roses quantified by ultra-high performance liquid chromatography-quadrupole time of flight mass spectrometry (UPLC-qTOF-MS/MS). Therefore, UP + EIP is an effective pretreatment method for shortening FD time and producing high-quality FD rose products with enhanced polyphenol content.
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Affiliation(s)
- Min Feng
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Baoguo Xu
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 212013 Zhenjiang, Jiangsu, China.
| | - Md Nahidul Islam
- Department of Agro-Processing, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Benxi Wei
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Bo Wang
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Lu Chang
- Shandong Huamei Biology Science &Technology Co, 250400 Pingyin, Shandong, China
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19
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Bassey EJ, Cheng JH, Sun DW. Thermoultrasound and microwave-assisted freeze-thaw pretreatments for improving infrared drying and quality characteristics of red dragon fruit slices. ULTRASONICS SONOCHEMISTRY 2022; 91:106225. [PMID: 36375374 PMCID: PMC9661387 DOI: 10.1016/j.ultsonch.2022.106225] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/11/2022] [Accepted: 11/06/2022] [Indexed: 06/16/2023]
Abstract
The effects of thermoultrasound (US-FT), microwave (MW-FT), and room temperature (RT-FT) freeze-thaw pretreatments were evaluated for improving drying kinetics and quality during infrared drying (IRD) of red dragon fruit slices (RDFS). Results indicated that microstructural alterations induced by the different pretreatments improved the moisture removal rate and effective diffusivity, and significantly reduced the drying time. US-FT pretreatments prompted more efficient drying and presented an overall enhancement in the quality of RDFS, particularly at low temperatures of 25 and 50 ℃, while enhancements in TFC, FRAP, and CUPRAC were associated with RT-FT. High-power (500 W) MW-FT pretreatments improved colour and structural properties, while low-power (100, 300 W) improved TPC, TFC, ascorbic acid, betalains, and antioxidant activity. Overall, cellular and chemical alterations prompted by pretreatments improved the drying process but presented adverse effects on betaxanthin. The study presented the fundamental background for improving the IRD of foods from the use of improved thawing approaches during freeze-thaw pretreatments.
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Affiliation(s)
- Edidiong Joseph Bassey
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, and Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Jun-Hu Cheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, and Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Da-Wen Sun
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, and Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China; Food Refrigeration and Computerized Food Technology, University College Dublin, National University of Ireland, Agriculture and Food Science Centre, Belfield, Dublin 4, Ireland.
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20
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Yu H, Mei J, Xie J. New ultrasonic assisted technology of freezing, cooling and thawing in solid food processing: A review. ULTRASONICS SONOCHEMISTRY 2022; 90:106185. [PMID: 36201934 PMCID: PMC9535316 DOI: 10.1016/j.ultsonch.2022.106185] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/23/2022] [Accepted: 09/28/2022] [Indexed: 05/30/2023]
Abstract
Solid foods include fish, shrimp, shellfish, and other aquatic products, fruits, and vegetables. These products are commonly used for food freezing, cooling, and thawing. However, traditional freezing, cooling, and thawing of solid food technologies have limitations in quality, such as protein denaturation and water loss in food. Ultrasound-assisted technology has become a useful method in solid food processing due to improved preservation quality of solid food. This paper comprehensively reviews the mechanism and application of ultrasonic in solid food processing technology. Although the application of ultrasound-assisted ultrasound in solid food processing is relatively comprehensive, the energy saving of food cold processing is essential for practical application. This paper analyzes the optimization of ultrasonic in solid food processing, including orthogonal/multi-frequency technology and the combination of ultrasonic and other technologies, which provides new ideas for freezing, cooling, and thawing of solid food processing.
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Affiliation(s)
- Huan Yu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering Shanghai Ocean University, Shanghai 201306, China
| | - Jun Mei
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai 201306, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai 201306, China; Shanghai Professional Technology Service Platform on cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China.
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21
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Yuan L, Lao F, Shi X, Zhang D, Wu J. Effects of cold plasma, high hydrostatic pressure, ultrasound, and high-pressure carbon dioxide pretreatments on the quality characteristics of vacuum freeze-dried jujube slices. ULTRASONICS SONOCHEMISTRY 2022; 90:106219. [PMID: 36371874 PMCID: PMC9664403 DOI: 10.1016/j.ultsonch.2022.106219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 08/16/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
Pretreatment combined with vacuum freeze-drying is an effective technique to extend the storage period of jujube fruits and reduce energy consumption and cost; however, the effects of pretreatment on the quality characteristics of jujube during vacuum freeze-drying remain unknown. In this study, the effects of cold plasma (CP), high hydrostatic pressure (HHP), ultrasound (US), high-pressure carbon dioxide (HPCD), and conventional blanching (BC) as pretreatments on the performance of vacuum freeze-dried jujube slices were investigated. The results indicated that the application of different pretreatments decreased the water activity and increased the rehydration capacity, owing to the pretreatment etching larger and more porous holes in the microstructure. Freeze-dried jujube slices pretreated with HPCD retained most of their quality characteristics (color, hardness, and volatile compounds), followed by the HHP- and US-pretreated samples, whereas samples pretreated with BC showed the greatest deterioration in quality characteristics, and hence, BC is not recommended as a pretreatment for freeze-dried jujube slices. Sensory evaluation based on hedonic analysis showed that jujube slices pretreated with HPCD and US were close to the control sample and scored highest. Compared to other pretreated samples and the control, freeze-dried jujube slices pretreated with HPCD showed the least degradation (4.93%) of cyclic adenosine monophosphate (cAMP), the highest contents of total phenol, total flavonoid, and l-ascorbic acid, and the highest antioxidant capacity. Partial least squares-discriminant analysis (PLS-DA) was performed to screen all the quality characteristic data of different pretreated samples, and 12 volatile compounds, including ethyl hexanoate and (E)-2-hexenal, along with color, l-ascorbic acid content, and cAMP content were found suitable to be used as discriminators for pretreated freeze-dried jujube slices. Therefore, non-thermal pretreatments, including HPCD, US, and HHP pretreatments, are promising techniques for the vacuum freeze-drying of jujube products.
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Affiliation(s)
- Lin Yuan
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China; Key Laboratory of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; Beijing Key Laboratory for Food Non-thermal Processing, Beijing 100083, China
| | - Fei Lao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China; Key Laboratory of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; Beijing Key Laboratory for Food Non-thermal Processing, Beijing 100083, China
| | - Xun Shi
- Haoxiangni Health Food Co., Ltd., Xinzheng 451100, China
| | - Donghao Zhang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China; Key Laboratory of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; Beijing Key Laboratory for Food Non-thermal Processing, Beijing 100083, China
| | - Jihong Wu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China; Key Laboratory of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; Beijing Key Laboratory for Food Non-thermal Processing, Beijing 100083, China.
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22
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Zielinska S, Staniszewska I, Cybulska J, Zdunek A, Szymanska-Chargot M, Zielinska D, Liu ZL, Pan Z, Xiao HW, Zielinska M. Modification of the cell wall polysaccharides and phytochemicals of okra pods by cold plasma treatment. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Ma Y, Yi J, Jin X, Li X, Feng S, Bi J. Freeze-Drying of Fruits and Vegetables in Food Industry: Effects on Phytochemicals and Bioactive Properties Attributes - A Comprehensive Review. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2122992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Youchuan Ma
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS)/Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Jianyong Yi
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS)/Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Xin Jin
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS)/Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Xuan Li
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS)/Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Shuhan Feng
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS)/Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Jinfeng Bi
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS)/Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
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24
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Feng M, Chitrakar B, Chen J, Islam MN, Wei B, Wang B, Zhou C, Ma H, Xu B. Effect of Multi-Mode Thermosonication on the Microbial Inhibition and Quality Retention of Strawberry Clear Juice during Storage at Varied Temperatures. Foods 2022; 11:foods11172593. [PMID: 36076780 PMCID: PMC9455229 DOI: 10.3390/foods11172593] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/29/2022] Open
Abstract
Strawberry juice, which is rich in nutrients and charming flavor, is favored by consumers. To explore whether multi-mode thermosonication (MTS) can ensure the quality stability of strawberry clear juice (SCJ) during storage, the effects of microbial inhibition, enzyme activity, and physicochemical properties of SCJ pretreated by MTS were evaluated during storage at 4, 25, and 37 °C in comparison with thermal pretreatment (TP) at 90 °C for 1 min. The MTS, including dual-frequency energy-gathered ultrasound pretreatment (DEUP) and flat sweep-frequency dispersive ultrasound pretreatment (FSDUP), were conducted at 60 °C for 5 and 15 min, respectively. Results showed that the total phenols, flavonoids, anthocyanins, ascorbic acid, and DPPH free radical scavenging ability of SCJ decreased during the storage period. The control sample of SCJ was able to sage for only 7 days at 4 °C based on the microbiological quality, while the FSDUP and DEUP group extended the storage period up to 21 and 14 days, respectively. The polyphenol oxidase in SCJ pretreated by MTS did not reactivate during the storage period. The MTS remarkably (p < 0.05) reduced the color deterioration, browning degree, and nutrient degradation during the storage period. Moreover, the FSDUP group exhibited the maximum shelf life with a minimum loss of quality, demonstrating that it was the most suitable processing method for obtaining high-quality SCJ. It can be concluded that the MTS has the potential to inhibit enzymatic browning, inactivating microorganisms, preserve original quality attributes, and prolong the shelf life of SCJ.
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Affiliation(s)
- Min Feng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China
| | - Bimal Chitrakar
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, China
| | - Jianan Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Md. Nahidul Islam
- Department of Agro-Processing, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
| | - Benxi Wei
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Bo Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China
| | - Baoguo Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China
- Correspondence: ; Fax: +86-(0)511-88780201
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25
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Zongo PA, Khalloufi S, Mikhaylin S, Ratti C. Pulsed Electric Field and Freeze-Thawing Pretreatments for Sugar Uptake Modulation during Osmotic Dehydration of Mango. Foods 2022; 11:foods11172551. [PMID: 36076739 PMCID: PMC9455069 DOI: 10.3390/foods11172551] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/30/2022] Open
Abstract
Osmotic dehydration kinetics depends on food tissue microstructure; thus, modulation of mango porosity could help selectively enhance water removal over sugar gain. In this present study, pretreatments of freeze-thawing (freezing at −36 °C for 2 weeks and thawing at 4 °C for 24 h) and pulsed electric field (1 kV/cm, 10 and 30 pulse numbers), were applied to mango 1 cm-thickness slices prior to osmotic dehydration conducted at 40 °C for 4 h. Three different 60 °Brix agave syrup solutions with or without added polysaccharides (inulin or xanthan gum) were used in the osmotic dehydration operation. Water loss (WL), sugar gain (SG) and microstructure images were used to compare the effects of pretreatments on mango osmotic dehydration efficiency. Results indicated that pulsed electric field (PEF) pretreatment increased slightly WL during osmotic dehydration, contrary to freeze-thawing (F-T), which for most cases led to a decrease. As for solids uptake, due to higher damage induced by F-T to mango tissue, SG was higher than for fresh and PEF pretreated mangoes. Using xanthan gum as additive to agave syrup solution, helped to decrease sugar uptake in frozen-thawed mango due to an increase in solution viscosity. A similar WL/SG ratio was obtained with frozen-thawed mango in solution with xanthan gum. Therefore, in the case of frozen-thawed mango, it is recommended to use an osmotic solution with high viscosity to obtain low sugar uptake in the final product. The novelty of this contribution is twofold: (i) using pretreatments (F-T or PEF) to minimize sugar uptake during osmotic dehydration, and (ii) using agave syrup with added polysaccharides to enrich final product with inulin.
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Affiliation(s)
- Pingdwendé Assana Zongo
- Food Science Department, Institute of Nutrition and Functional Foods, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Seddik Khalloufi
- Soils and Agri-Food Engineering Department, Institute of Nutrition and Functional Foods, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Sergey Mikhaylin
- Food Science Department, Institute of Nutrition and Functional Foods, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Cristina Ratti
- Soils and Agri-Food Engineering Department, Institute of Nutrition and Functional Foods, Université Laval, Quebec City, QC G1V 0A6, Canada
- Correspondence: ; Tel.: +1-418-656-2131; Fax: +1-418-656-3723
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26
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Xu B, Feng M, Chitrakar B, Wei B, Wang B, Zhou C, Ma H, Wang B, Chang L, Ren G, Duan X. Selection of drying techniques for Pingyin rose on the basis of physicochemical properties and volatile compounds retention. Food Chem 2022; 385:132539. [PMID: 35278739 DOI: 10.1016/j.foodchem.2022.132539] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/21/2022] [Accepted: 02/21/2022] [Indexed: 11/19/2022]
Abstract
Awareness of edible rose being beneficial for health has attracted researchers in exploring different rose products. The study aimed to investigate effects of vacuum freeze drying (VFD), hot air drying (HAD), heat pump drying (HPD), relative humidity drying (RHD) and catalytic infrared drying (CID) on the physicochemical properties, and volatile organic compounds (VOCs) of Pingyin roses. Results showed that the VFD roses had significantly (p < 0.05) bright color, complete tissue cells, low shrinkage, and good plasma membrane permeability. CID roses showed the highest total phenols content (164.09 ± 0.88 mg/g) and the strongest antioxidant activity. Besides, the odor is the most crucial indicator for dried roses. VFD can well prevent the odor from diminishing/destroying and preserve the natural smell of rose. Thermal drying including HAD, HPD, RHD, and CID, could cause significant losses of VOCs. Consequently, the findings can provide the scientific basis for future large-scale production of dried rose products.
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Affiliation(s)
- Baoguo Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Min Feng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Bimal Chitrakar
- College of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei 071001, China
| | - Benxi Wei
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Bo Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Bin Wang
- Shandong Huamei Biology Science &Technology Co., Pingyin, Shandong 250400, China
| | - Lu Chang
- Shandong Huamei Biology Science &Technology Co., Pingyin, Shandong 250400, China
| | - Guangyue Ren
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, China
| | - Xu Duan
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, China
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27
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Zhang L, Hu Y, Wang X, Zhang A, Abiola Fakayode O, Ma H, Zhou C. Hybrid techniques of pre and assisted processing modify structural, physicochemical and functional characteristics of okra pectin: Controlled-temperature ultrasonic-assisted extraction from preparative dry powders and its field monitoring. ULTRASONICS SONOCHEMISTRY 2022; 88:106080. [PMID: 35759950 PMCID: PMC9240375 DOI: 10.1016/j.ultsonch.2022.106080] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/16/2022] [Accepted: 06/18/2022] [Indexed: 05/21/2023]
Abstract
Diversiform okra dry powders were prepared and controlled-temperature ultrasonic-assisted extraction (CTUAE) was then utilized to obtain okra pectin (OP) from the preparative powders. During processing of hybrid techniques, 6 types of dry powders were prepared through different drying technologies (hot air drying, HD; freeze-drying, FD) and meshes (60, 80, 120 meshes) at first. Next, the extraction yield, physicochemical and function characteristics, and molecular structure of OP were analyzed with or without CTUAE technique. Meanwhile, the time-frequency domains of acoustic fields during extraction process of OP were monitored to analyze the effects of ultrasonic fields. Results showed that OP main chains with less cracking by FD than that by HD; the yield, GalA, esterification degree (DE), Mw and viscosity of OP increased, but its particle size decreased. Water holding capacity (WHC) and oil holding capacity (OHC) of OP by HD were more prominent. Secondly, HD OP had dendritic rigid chains, while FD OP had flexible chains with multiple branches. For HD OP, as meshes of okra dry powders decreased, GalA, viscosity and emulsification ability decreased; while gel strength and thermal stability increased. For FD OP, the reduction of meshes improved thermal stability. Above all, CTUAE technique increased the yield and GalA, and decreased DE, Mw and particle size of OP. In terms of functional characteristics, the technique also improved gel strength, resilience and viscoelasticity, enhanced emulsifying stability, WHC and thermal stability, and reduced viscosity. Finally, the correlation between functional and structural characteristics of OP was quantified, and some suggestions were made for its application in food areas.
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Affiliation(s)
- Lei Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China
| | - Yang Hu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xue Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ao Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Olugbenga Abiola Fakayode
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; Department of Agricultural and Food Engineering, University of Uyo, Uyo 520001, Nigeria
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang 212013, China.
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28
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Xu Q, Pan H, Shui Y, Xing Y, Wu L, Zheng F, Fan X, Bi X. Effect of different drying technologies on the characteristics and quality of lemon slices. J Food Sci 2022; 87:2980-2998. [PMID: 35638346 DOI: 10.1111/1750-3841.16194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/21/2022] [Accepted: 04/24/2022] [Indexed: 11/28/2022]
Abstract
This experiment aimed to investigate the effects of four drying methods, namely, hot air drying (HAD), microwave drying (MD), vacuum drying (VD), and microwave vacuum drying (MVD), on the quality of lemon slices. The relevant indicators, including total phenolic content, ascorbic acid content, browning, color, reducing sugar content, volatile component measurements, and principal component analysis of 0 and 30 days storage, were compared after exposure to the four drying methods. The shortest time of 64 min was used to treat the lemon slices via MVD at 1 KW. These samples displayed the least damage after drying and the highest rehydration ratio of 4.12. The contents of VC, reducing sugars, and total phenols of MVD samples were significantly higher than those in the HAD, VD, and MD groups, retaining 105.94 mg/100 g, 21.35 g/100 g, and 77.81 mg GAE/g, respectively, while their color difference values were also the smallest, with a browning degree of 3.55, significantly lower than those in the other treatment groups (p < 0.05), and the degree of browning of the samples in the HAD treatment group was the most serious; in terms of volatile flavor substances, the lemon slice samples in the MVD and HAD treatment groups were more diverse and of better quality. The order of product sensory evaluation was: MVD > VD > HAD > MD. The final scores after comprehensive analysis revealed the order of the four drying methods as MVD, HAD, VD, and MD. Therefore, MVD had a better effect on the sensory perception and nutritional properties of the lemon slices, providing a useful alternative to the conventional drying method. PRACTICAL APPLICATION: Lemon slices during drying are affected by various aspects, leading to changes in its color, aroma substances, and nutrient composition. The results of this work will not only provide a technical reference for the future production of high-quality dried lemon slices, but also have important implications for fresh-cut lemons in processing and storage. It also generates important implications for fresh-cut lemons in processing and storage.
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Affiliation(s)
- Qinglian Xu
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Hongjie Pan
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Yuru Shui
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Yage Xing
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Lin Wu
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Faying Zheng
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Xiangfeng Fan
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Xiufang Bi
- Key Laboratory of Grain and Oil Processing and Food Safety of Sichuan Province, College of Food and Bioengineering, Xihua University, Chengdu, China.,Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
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29
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Effects of ultrasound and ultra-high pressure pretreatments on volatile and taste compounds of vacuum-freeze dried strawberry slice. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113232] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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30
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Chao E, Li J, Fan L. Enhancing drying efficiency and quality of seed-used pumpkin using ultrasound, freeze-thawing and blanching pretreatments. Food Chem 2022; 384:132496. [PMID: 35245751 DOI: 10.1016/j.foodchem.2022.132496] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 02/11/2022] [Accepted: 02/15/2022] [Indexed: 11/17/2022]
Abstract
Effects of blanching (BL), ultrasound (US) and freeze-thawing (FT) pretreatments prior to far-infrared drying (FIRD) on drying characteristics, water distribution, and quality parameters of seed-used pumpkin (SUP) slices were investigated in this study. US, BL and FT pretreatments significantly accelerated drying rate due to the destruction of cell structure. Modified Page model was the fittest model for predicting the FIRD process. Low field nuclear magnetic resonance (LF-NMR) results revealed that T2 distribution curves of all pretreated samples moved rapidly to the positive x-axis direction, indicating an increase in the rate of water migration. The color of US-FIRD was closer to fresh SUP. BL-FIRD exhibited the highest free polyphenols content (241.28 ± 1.11 mg GAE/100 g DW) and total carotenoids content (129.69 ± 2.49 μg/ g DW), increasing by 45% and 34% respectively compared to the untreated sample.
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Affiliation(s)
- Erpeng Chao
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China
| | - Jinwei Li
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China
| | - Liuping Fan
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China.
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31
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Hu R, Zhang M, Liu W, Mujumdar AS, Bai B. Novel synergistic freezing methods and technologies for enhanced food product quality: A critical review. Compr Rev Food Sci Food Saf 2022; 21:1979-2001. [PMID: 35179815 DOI: 10.1111/1541-4337.12919] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/19/2021] [Accepted: 01/04/2022] [Indexed: 11/28/2022]
Abstract
Freezing has a long history as an effective food preservation method, but traditional freezing technologies have quality limitations, such as the potential for water loss and/or shrinkage and/or nutrient loss, etc. in the frozen products. Due to enhanced quality preservation and simpler thawing operation, synergistic technologies for freezing are emerging as the optimal methods for frozen food processing. This article comprehensively reviewed the recently developed synergistic technologies for freezing and pretreatment, for example, ultrasonication, cell alive system freezing, glass transition temperature regulation, high pressure freezing, pulsed electric field pretreatment, osmotic pretreatment, and antifreeze protein pretreatment, etc. The mechanisms and applications of these techniques are outlined briefly here. Though the application of new treatments in freezing is relatively mature, reducing the energy consumption in the application of these new technologies is a key issue for future research. It is also necessary to consider scale-up issues involved in large-scale applications as much of the research effort so far is limited to laboratory or pilot scale. For future development, intelligent freezing should be given more attention. Freezing should automatically identify and respond to different freezing conditions according to the nature of different materials to achieve more efficient freezing. PRACTICAL APPLICATION: This paper provides a reference for subsequent production and research, and analyzes the advantages and disadvantages of different novel synergistic technologies, which points out the direction for subsequent industry development and research. At the same time, it provides new ideas for the freezing industry.
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Affiliation(s)
- Rui Hu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China.,Jiangsu Province International Joint Laboratory on Fresh Food Smart Processing and Quality Monitoring, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Min Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Wenchao Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Arun S Mujumdar
- Department of Bioresource Engineering, Macdonald Campus, McGill University, Ste. Anne decBellevue, Quebec, Canada
| | - Baosong Bai
- Yechun Food Production and Distribution Co., Ltd., Yangzhou, Jiangsu, P. R. China
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32
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Samakradhamrongthai RS, Nortuy N, Jannu T, Supawan T, Chanakun P, Yimkaew Y, Renaldi G. Influence of three drying methods on physicochemical properties of okra (
Abelmoschus esculentus
L.) powder. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Rajnibhas Sukeaw Samakradhamrongthai
- Food Science and Technology Program, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
- Agro‐Industrial Product Development Research Unit, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
- Cluster of Innovation Food and Agro‐Industry Faculty of Agro‐Industry Chiang Mai University Chiang Mai Thailand
| | - Nutthamon Nortuy
- Agro‐Industrial Product Development Research Unit, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
| | - Taruedee Jannu
- Agro‐Industrial Product Development Research Unit, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
| | - Thanyapohn Supawan
- Agro‐Industrial Product Development Research Unit, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
| | - Phruttinan Chanakun
- Food Science and Technology Program, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
| | - Yadaporn Yimkaew
- Food Science and Technology Program, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
| | - Gerry Renaldi
- Food Science and Technology Program, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
- Agro‐Industrial Product Development Research Unit, Faculty of Agro‐Industry Prince of Songkla University Hat Yai Thailand
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33
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Ma Y, Yi J, Bi J, Wu X, Li X, Li J, Zhao Y. Understanding of osmotic dehydration on mass transfer and physical properties of freeze‐dried apple slices: A comparative study of five saccharides osmotic agents. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Youchuan Ma
- Laboratory of Agro‐ Products Processing, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Food Science and Technology Chinese Academy of Agricultural Sciences (CAAS) Beijing People’s Republic of China
| | - Jianyong Yi
- Laboratory of Agro‐ Products Processing, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Food Science and Technology Chinese Academy of Agricultural Sciences (CAAS) Beijing People’s Republic of China
| | - Jinfeng Bi
- Laboratory of Agro‐ Products Processing, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Food Science and Technology Chinese Academy of Agricultural Sciences (CAAS) Beijing People’s Republic of China
| | - Xinye Wu
- Laboratory of Agro‐ Products Processing, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Food Science and Technology Chinese Academy of Agricultural Sciences (CAAS) Beijing People’s Republic of China
| | - Xuan Li
- Laboratory of Agro‐ Products Processing, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Food Science and Technology Chinese Academy of Agricultural Sciences (CAAS) Beijing People’s Republic of China
| | - Jiangkuo Li
- Institute of Agricultural Products Preservation and Processing Technology Tianjin Academy of Agricultural Sciences Tianjin People’s Republic of China
| | - Yuanyuan Zhao
- Laboratory of Agro‐ Products Processing, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Food Science and Technology Chinese Academy of Agricultural Sciences (CAAS) Beijing People’s Republic of China
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34
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An NN, Shang N, Lv WQ, Li D, Wang LJ, Wang Y. Effects of carboxymethyl cellulose/pectin coating combined with ultrasound pretreatment before drying on quality of turmeric (Curcuma longa L.). Int J Biol Macromol 2022; 202:354-365. [PMID: 35033525 DOI: 10.1016/j.ijbiomac.2022.01.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/17/2021] [Accepted: 01/06/2022] [Indexed: 01/24/2023]
Abstract
Turmeric is an herb with multiple bioactive substances and health benefits. Drying is one of the most important steps of its processing and sales. In order to obtain high-quality turmeric products, we used five different pretreatment methods to treat turmeric prior to pulse-spouted microwave vacuum drying (PSMVD), including carboxymethyl cellulose coating (CMC), pectin coating (P), ultrasound (US) and their combination (CMCUS or PUS). The effect of different pretreatments on the drying kinetics, quality attributes and microstructure of turmeric were evaluated. Results showed that the US pretreatment had the shortest drying time (60 min), while coating treatment did not significantly affect drying rate. Dried turmeric with coating pretreatment had lower rehydration ratio and water adsorption capacity compared with individual ultrasound treatment. Carboxymethyl cellulose coating protected bioactive substances better than pectin coating. Moreover, CMCUS pretreatment showed significantly lower total color change, higher curcumin content, total phenols and flavonoid content as well as antioxidant capacity in all dried samples. Microstructure observation showed that the polysaccharide coating covering the surface of turmeric might reduce the degradation of bioactive compounds. Therefore, the CMCUS pretreatment before PSMVD of turmeric was recommended due to the efficiency and quality protections.
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Affiliation(s)
- Nan-Nan An
- College of Engineering, Beijing Advanced Innovation Center for Food Nutrition and Human Health, National Energy R & D Center for Non-food Biomass, China Agricultural University, P. O. Box 50, 17 Qinghua Donglu, Beijing 100083, China
| | - Nan Shang
- College of Engineering, Beijing Advanced Innovation Center for Food Nutrition and Human Health, National Energy R & D Center for Non-food Biomass, China Agricultural University, P. O. Box 50, 17 Qinghua Donglu, Beijing 100083, China
| | - Wei-Qiao Lv
- College of Engineering, Beijing Advanced Innovation Center for Food Nutrition and Human Health, National Energy R & D Center for Non-food Biomass, China Agricultural University, P. O. Box 50, 17 Qinghua Donglu, Beijing 100083, China
| | - Dong Li
- College of Engineering, Beijing Advanced Innovation Center for Food Nutrition and Human Health, National Energy R & D Center for Non-food Biomass, China Agricultural University, P. O. Box 50, 17 Qinghua Donglu, Beijing 100083, China.
| | - Li-Jun Wang
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Functional Food from Plant Resources, China Agricultural University, Beijing, China.
| | - Yong Wang
- School of Chemical Engineering, UNSW, Sydney, NSW 2052, Australia
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35
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Ozyalcin ZO, Kipcak AS. The Ultrasound Effect on the Drying Characteristics of Loligo vulgaris by the Methods of Oven and Vacuum-oven. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2022. [DOI: 10.1080/10498850.2021.2024634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Zehra Ozden Ozyalcin
- Department of Chemical Engineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Azmi Seyhun Kipcak
- Department of Chemical Engineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
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36
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Zhang L, Yu X, Arun S M, Zhou C. Effect of freeze-thaw pretreatment combined with variable temperature on infrared and convection drying of lotus root. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112804] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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37
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Zhang L, Wang X, Hu Y, Abiola Fakayode O, Ma H, Zhou C, Hu Z, Xia A, Li Q. Dual-frequency multi-angle ultrasonic processing technology and its real-time monitoring on physicochemical properties of raw soymilk and soybean protein. ULTRASONICS SONOCHEMISTRY 2021; 80:105803. [PMID: 34689067 PMCID: PMC8551839 DOI: 10.1016/j.ultsonch.2021.105803] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 05/21/2023]
Abstract
To improve the soybean protein content (SPC), flavor and quality of soymilk, the effects of dual-frequency ultrasound at different angles (40 + 20 kHz 0°, 40 + 20 kHz 30°, 40 + 20 kHz 45°) on physicochemical properties and soybean protein (SP) structure of raw soymilk were mainly studied and compared with the conventional single-frequency (40 kHz, 20 kHz) ultrasound. Furthermore, the intensity of the ultrasonic field in real-time was monitored via the oscilloscope and spectrum analyzer. The results showed that 40 + 20 kHz 45° treatment significantly increased SPC. The ultrasonic field intensity of 40 + 20 kHz 0° treatment was the largest (8.727 × 104 W/m2) and its distribution was the most uniform. The emulsifying stability of SP reached the peak value (233.80 min), and SP also had the largest particle size and excellent thermal stability. The protein solubility of 40 + 20 kHz 30° treatment attained peak value of 87.09%. 20 kHz treatment significantly affected the flavor of okara. The whiteness and brightness of raw soymilk treated with 40 kHz were the highest and the system was stable. Hence, the action mode of ultrasonic technology can be deeply explored and the feasibility for improving the quality of soymilk can be achieved.
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Affiliation(s)
- Lei Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xue Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yang Hu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Olugbenga Abiola Fakayode
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; Department of Agricultural and Food Engineering, University of Uyo, Uyo 520001, Akwa Ibom State, Nigeria
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Zhenyuan Hu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Aiming Xia
- Zhenjiang New Mill Bean Industry Co. LTD, Zhenjiang 212000, China
| | - Qun Li
- Zhenjiang New Mill Bean Industry Co. LTD, Zhenjiang 212000, China
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38
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Xu X, Zhang L, Yagoub AEA, Yu X, Ma H, Zhou C. Effects of ultrasound, freeze-thaw pretreatments and drying methods on structure and functional properties of pectin during the processing of okra. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106965] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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39
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Zhu L, Liang X, Lu Y, Tian S, Chen J, Lin F, Fang S. Effect of Freeze-Thaw Cycles on Juice Properties, Volatile Compounds and Hot-Air Drying Kinetics of Blueberry. Foods 2021; 10:foods10102362. [PMID: 34681411 PMCID: PMC8535103 DOI: 10.3390/foods10102362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 09/30/2021] [Accepted: 10/01/2021] [Indexed: 11/18/2022] Open
Abstract
This paper studied the effects of freeze-thaw (FT) cycles on the juice properties and aroma profiles, and the hot-air drying kinetics of frozen blueberry. After FT treatment, the juice yield increased while pH and total soluble solids of the juice keep unchanged. The total anthocyanins contents and DPPH antioxidant activities of the juice decreased by FT treatments. The electronic nose shows that FT treatments significantly change the aroma profiles of the juice. The four main volatile substances in the fresh juice are (E)-2-hexenal, α-terpineol, hexanal and linalyl formate, which account for 48.5 ± 0.1%, 17.6 ± 0.2%, 14.0 ± 1.5% and 7.8 ± 2.7% of relative proportions based on total ion chromatogram (TIC) peak areas. In the FT-treated samples, the amount of (E)-2-hexenal and hexanal decreased significantly while α-terpineol and linalyl formate remained almost unchanged. Repeated FT cycles increased the ethanol content and destroyed the original green leafy flavor. Finally, the drying kinetics of FT-treated blueberries was tested. One FT treatment can shorten the drying time by about 30% to achieve the same water content. The Deff values of the FT-treated sample are similar, which are about twice as large as the value of the fresh sample. The results will be beneficial for the processing of frozen blueberry into juice or dried fruits.
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Affiliation(s)
- Lin Zhu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Xuezheng Street No. 18, Hangzhou 310018, China; (L.Z.); (Y.L.); (S.T.); (J.C.); (F.L.)
| | - Xianrui Liang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China;
| | - Yushuang Lu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Xuezheng Street No. 18, Hangzhou 310018, China; (L.Z.); (Y.L.); (S.T.); (J.C.); (F.L.)
| | - Shiyi Tian
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Xuezheng Street No. 18, Hangzhou 310018, China; (L.Z.); (Y.L.); (S.T.); (J.C.); (F.L.)
| | - Jie Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Xuezheng Street No. 18, Hangzhou 310018, China; (L.Z.); (Y.L.); (S.T.); (J.C.); (F.L.)
| | - Fubin Lin
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Xuezheng Street No. 18, Hangzhou 310018, China; (L.Z.); (Y.L.); (S.T.); (J.C.); (F.L.)
| | - Sheng Fang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Xuezheng Street No. 18, Hangzhou 310018, China; (L.Z.); (Y.L.); (S.T.); (J.C.); (F.L.)
- Correspondence: ; Tel.: +86-13093752831
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40
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Xu B, Chen J, Sylvain Tiliwa E, Yan W, Roknul Azam SM, Yuan J, Wei B, Zhou C, Ma H. Effect of multi-mode dual-frequency ultrasound pretreatment on the vacuum freeze-drying process and quality attributes of the strawberry slices. ULTRASONICS SONOCHEMISTRY 2021; 78:105714. [PMID: 34411845 PMCID: PMC8379497 DOI: 10.1016/j.ultsonch.2021.105714] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/11/2021] [Accepted: 08/04/2021] [Indexed: 05/09/2023]
Abstract
The effects of osmotic pretreatment assisted by ultrasound in different frequency modes before vacuum freeze-drying (VFD) on moisture migration and quality characteristics of strawberry slices were investigated. The frequency modes are single-frequency modes under 20, 40 kHz (SM-20, SM-40), and dual-frequency under 20/40 kHz including sequential mode (SeDM) and simultaneous mode (SiDM). The quality characteristics of dried strawberry products including rehydration, hardness, color, flavor, total anthocyanins, total phenols, vitamin C content, and active antioxidant components (DPPH and -OH) were determined. Results showed that drying time of the strawberry slices irradiated by ultrasound was reduced by 15.25%-50.00%, compared to the control samples. Besides, dual-frequency ultrasound shortened the drying time more than single-frequency ultrasound. The drying time of SeDM was the shortest. In addition to vitamin C content, the quality characteristics including rehydration, hardness, color, flavor, total anthocyanins, total phenols, and antioxidant activity of dried strawberry products pretreated by SeDM were significantly (p < 0.05) better than those of control and other pretreated samples. It can be concluded that the SeDM was an effective pretreatment method to produce high-quality vacuum freeze-dried strawberry products.
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Affiliation(s)
- Baoguo Xu
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 212013 Zhenjiang, Jiangsu, China.
| | - Jianan Chen
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | | | - Weiqiang Yan
- Institute of Crop Breeding and Cultivation, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - S M Roknul Azam
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Jun Yuan
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huaian 223003, Jiangsu, China
| | - Benxi Wei
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 212013 Zhenjiang, Jiangsu, China
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41
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Zhou C, Okonkwo CE, Inyinbor AA, Yagoub AEA, Olaniran AF. Ultrasound, infrared and its assisted technology, a promising tool in physical food processing: A review of recent developments. Crit Rev Food Sci Nutr 2021; 63:1587-1611. [PMID: 34404303 DOI: 10.1080/10408398.2021.1966379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Traditional food processing techniques can no longer meet the ever increasing demand for high quality food across the globe due to its low process efficiency, high energy consumption and low product yield. This review article is focused on the mechanism and application of Infrared (IR) and ultrasound (US) technologies in physical processing of food. We herein present the individual use of IR and US (both mono-frequency and multi-frequency levels) as well as IR and US supported with other thermal and non-thermal technologies to improve their food processing performance. IR and US are recent thermal and non-thermal technologies which have now been successfully used in food industries to solve the demerits of conventional processing technologies. These environmentally-friendly technologies are characterized by low energy consumption, reduced processing time, high mass-transfer rates, better nutrient retention, better product quality, less mechanical damage and improved shelf life. This work could be, with no doubt, useful to the scientific world and food industries by providing insights on recent advances in the use of US and IR technology, which can be applied to improve food processing technologies for better quality and safer products.
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Affiliation(s)
- Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Clinton E Okonkwo
- Department of Agricultural and Biosystems Engineering, College of Engineering, Landmark University, Omu-Aran, Kwara state, Nigeria
| | - Adejumoke A Inyinbor
- Department of Physical Sciences, Industrial Chemistry Programme, Landmark University, Omu-Aran, Kwara State, Nigeria
| | - Abu ElGasim A Yagoub
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Abiola F Olaniran
- Department of Food Science and Nutrition, College of Agricultural Sciences, Landmark University, Omu-Aran, Kwara state, Nigeria
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42
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Yue T, Xing Y, Xu Q, Yang S, Xu L, Wang X, Yang P. Physical and chemical properties of purple cabbage as affected by drying conditions. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2021. [DOI: 10.1080/10942912.2021.1953070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Tianyi Yue
- Key Laboratory of Food Bio-technology, College of Food and Bioengineering, Xihua University, Chengdu, China
- Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Yage Xing
- Key Laboratory of Food Bio-technology, College of Food and Bioengineering, Xihua University, Chengdu, China
- Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Qinglian Xu
- Key Laboratory of Food Bio-technology, College of Food and Bioengineering, Xihua University, Chengdu, China
| | - Shuang Yang
- Key Laboratory of Food Bio-technology, College of Food and Bioengineering, Xihua University, Chengdu, China
| | - Lin Xu
- Key Laboratory of Food Bio-technology, College of Food and Bioengineering, Xihua University, Chengdu, China
| | - Xiaomin Wang
- Key Laboratory of Food Bio-technology, College of Food and Bioengineering, Xihua University, Chengdu, China
- Key Laboratory of Food Non-Thermal Technology, Engineering Technology Research Center of Food Non-Thermal, Yibin Xihua University Research Institute, Yibin, China
| | - Ping Yang
- Key Laboratory of Food Bio-technology, College of Food and Bioengineering, Xihua University, Chengdu, China
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43
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Zhang L, Yu X, Yagoub AEA, Owusu-Ansah P, Wahia H, Ma H, Zhou C. Effects of low frequency multi-mode ultrasound and it's washing solution's interface properties on freshly cut cauliflower. Food Chem 2021; 366:130683. [PMID: 34343952 DOI: 10.1016/j.foodchem.2021.130683] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 06/05/2021] [Accepted: 07/20/2021] [Indexed: 11/17/2022]
Abstract
This study investigated the effect of single and dual frequency ultrasound washing on freshly cut cauliflower, by pulsed and sweep frequency modes, with or without the addition of zinc acetate (ZA), tea saponin (TS) and ethanol (ET). Results showed that the surface microorganisms were efficiently decreased by sweep dual frequency ultrasound washing. Moreover, the use of 0.5% ZA, or 0.06% TS or 5% ET as washing solution improved the bacterial reduction efficiency. Reducing the interfacial tension, viscosity and contact angle of washing solution may strengthen ultrasound cavitation. Nearly 2.0 log CFU/g natural microorganisms were decreased, and shelf life was extended from 2 to 4-8 days under 4 °C. Physicochemical parameters of bioactive compounds content, enzyme activity, antioxidant ability, freshness were analyzed. Results showed that 0.5% ZA as washing solution of ultrasound washing was beneficial to the quality maintenance during storage period.
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Affiliation(s)
- Long Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Xiaojie Yu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Abu ElGasim A Yagoub
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
| | - Patrick Owusu-Ansah
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Hafida Wahia
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China.
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Combined Hot Air, Microwave, and Infrared Drying of Hawthorn Fruit: Effects of Ultrasonic Pretreatment on Drying Time, Energy, Qualitative, and Bioactive Compounds' Properties. Foods 2021; 10:foods10051006. [PMID: 34064476 PMCID: PMC8147953 DOI: 10.3390/foods10051006] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/19/2021] [Accepted: 04/29/2021] [Indexed: 01/09/2023] Open
Abstract
The present study aimed to examine the effect of ultrasonic pretreatment and hot air, microwave–hot-air, infrared–hot air, and freeze-drying on the drying time, specific energy (SE), qualitative properties (i.e., color, shrinkage, and rehydration ratio), and bioactive compounds’ properties (i.e., antioxidant activity, phenolic, and flavonoid contents) of hawthorn fruit. Drying of hawthorn was conducted from 45 min for the ultrasonic + microwave–hot-air drying to 1280 min for the freeze-drying method. The lowest amount of SE was obtained using the ultrasonic-microwave–hot-air drying method, which was 47.57 MJ/kg. The lowest values in color changes (12.25) and shrinkage (17.21%) were recorded for the freeze-drying method, while the highest amounts for these traits were 45.57% and 66.75% in the HA drying, respectively. In general, the use of different drying methods reduces the antioxidant capacity (AC), total phenolic content (TPC), and total flavonoid content (TFC) during processing compared to fresh samples. The highest values for AC, TPC, TFC, and the rehydration ratio were 30.69%, 73.07 mg-GAE/gdw, 65.93 mg-QE/gdw, and 2.02 for the freeze-drying method, respectively.
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Abstract
Drying is among the most important processes and the most energy-consuming techniques in the food industry. Dried food has many applications and extended shelf life. Unlike the majority of conventional drying methods, lyophilization, also known as freeze-drying (FD), involves freezing the food, usually under low pressure, and removing water by ice sublimation. Freeze-dried materials are especially recommended for the production of spices, coffee, dried snacks from fruits and vegetables and food for military or space shuttles, as well as for the preparation of food powders and microencapsulation of food ingredients. Although the FD process allows obtaining dried products of the highest quality, it is very energy- and time consuming. Thus, different methods of pretreatment are used for not only accelerating the drying process but also retaining the physical properties and bioactive compounds in the lyophilized food. This article reviews the influence of various pretreatment methods such as size reduction, blanching, osmotic dehydration and application of pulsed electric field, high hydrostatic pressure or ultrasound on the physicochemical properties of freeze-dried food and drying rate.
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