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Castañeda-Rodríguez R, Quiles A, Hernando I, Ozuna C. Cooking methods determine chemical composition and functional properties of squash blossoms: A study of microstructural and bioaccessibility changes. Food Res Int 2024; 180:114095. [PMID: 38395569 DOI: 10.1016/j.foodres.2024.114095] [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: 04/08/2023] [Revised: 01/20/2024] [Accepted: 01/24/2024] [Indexed: 02/25/2024]
Abstract
This research aimed to evaluate the effect of different cooking methods (boiling, stir-frying, and steaming) on the microstructure, moisture, fat, protein, and glucose-derived carbohydrate contents, and the bioactive compounds (total carotenoids: CAR, total chlorophyll: CHLO, and total phenolic compounds: TPC) and antioxidant capacity (AC) of squash blossoms. Furthermore, we characterized polyphenolic compounds using HPLC and evaluated their bioaccessibility via in vitro digestions. Our results show that steaming and boiling do not affect moisture content. Only stir-frying decreased (p < 0.05) this parameter by 8 %. Additionally, the cooking methods increased (p < 0.05) protein and glucose-derived carbohydrate contents. All cooking methods changed the microstructure of the blossoms, probably due to the thermal and mechanical variations that result in moisture loss and degradation of cell wall components. As for the functional properties, boiling caused a greater loss of TPC (up to 96 %) and AC (up to 91 %). Stir-frying caused the greatest loss of CAR (up to 81 %) and CHLO (up to 84 %). The in vitro digestion assays showed changes in the bioaccessibility of CAR, CHLO, TPC, and AC in the cooked flowers compared to the fresh ones. Finally, kaempferol and gallic acid were the most resistant polyphenols to the cooking methods and in vitro digestion.
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Affiliation(s)
- Rey Castañeda-Rodríguez
- Posgrado en Biociencias, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Irapuato-Silao km 9, Irapuato, Guanajuato 36500, Mexico; Departamento de Alimentos, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Irapuato-Silao km 9, Irapuato, Guanajuato 36500, Mexico
| | - Amparo Quiles
- Departamento de Tecnología de Alimentos, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Isabel Hernando
- Departamento de Tecnología de Alimentos, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - César Ozuna
- Posgrado en Biociencias, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Irapuato-Silao km 9, Irapuato, Guanajuato 36500, Mexico; Departamento de Alimentos, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Irapuato-Silao km 9, Irapuato, Guanajuato 36500, Mexico.
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Razzak A, Mahjabin T, Khan MRM, Hossain M, Sadia U, Zzaman W. Effect of cooking methods on the nutritional quality of selected vegetables at Sylhet City. Heliyon 2023; 9:e21709. [PMID: 38027907 PMCID: PMC10660054 DOI: 10.1016/j.heliyon.2023.e21709] [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: 12/09/2022] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 12/01/2023] Open
Abstract
The study was carried out to analyze the impacts of boiling, steaming, and microwave cooking on the physicochemical properties, the content of bioactive compounds, and boiling effect on mineral and heavy metal content of six widely consumed vegetables in Bangladesh's north-eastern region. In comparison to raw, boiled, and microwave-cooked vegetables, those that are steam-cooked retain a higher percentage of β-carotene with the exception of carrots. Boiling vegetables led to the most substantial reduction in ascorbic acid content (from 9.83 % to 70.88 %), with spinach experiencing the greatest decline. In contrast, microwaving had the mildest effect on ascorbic acid, preserving over 90 % of the initial content. The decrease in carotene content may be associated with color changes (decreasing greenness and increasing hue angle) in the chosen vegetables. The colorimeter shows the L* value (lightness/darkness) of all cooked vegetables significantly decreased. In terms of total polyphenol content (TPC) and total flavonoid content (TFC), boiling had a higher negative effect on most vegetables than the other two cooking methods, with losses of up to 70.3 % and 82.27 %, respectively. All cooked vegetables, with the exception of carrot and microwave pumpkin, had substantial reductions in free radicals scavenging activity, with losses ranging from 8.48 % to 56.73 %. In comparison to raw vegetables, boiled vegetables significantly lost minerals like potassium (K), magnesium (Mg), zinc (Zn), copper (Cu), and manganese (Mn). On the other hand, the calcium (Ca) and iron (Fe) content of all cooked vegetables, except for carrots and peas, exhibited an increase, ranging from 6 to 17 % and 6-12 %, respectively. The Cr concentration in all vegetables and the Zn, Fe, Mn, and Cd content in the spinach sample was higher than the FAO/WHO recommended maximum permissible level (MPL), whereas the accumulation of Cu and Ni content was lower in all vegetables. In conclusion, this study demonstrated that microwaving was the most effective method for retaining the nutritional value of vegetables, while steaming had a moderate impact.
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Affiliation(s)
- Abdur Razzak
- Bangladesh Institute of Research and Training on Applied Nutrition (BIRTAN), Regional Office, Sunamganj, 3000, Bangladesh
| | - Tasnima Mahjabin
- Bangladesh Institute of Research and Training on Applied Nutrition (BIRTAN), Regional Office, Sunamganj, 3000, Bangladesh
| | - Md Rashedul Munim Khan
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh
| | - Murad Hossain
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh
| | - Ummay Sadia
- Department of Botany, University of Dhaka, 1200, Bangladesh
| | - Wahidu Zzaman
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh
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Yang Z, Li X, Yu M, Jiang S, Qi H. Effects of Different Processing Methods on the Quality and Physicochemical Characteristics of Laminaria japonica. Foods 2023; 12:foods12081619. [PMID: 37107414 PMCID: PMC10137765 DOI: 10.3390/foods12081619] [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: 03/06/2023] [Revised: 04/02/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
The effects of four domestic cooking methods, including blanching, steaming, boiling, and baking treatments, on processing properties, bioactive compound, pigments, flavor components, and tissue structure of Laminaria japonica were investigated. The results showed that the color and structure of kelp changed most obviously after baking; steaming was most beneficial in reducing the color change of the kelp (ΔE < 1), while boiling was most effective in maintaining the texture of the kelp (its hardness and chewiness were close to that of raw kelp); eight volatile compounds were detected in raw kelp, four and six compounds were detected in blanched and boiled kelp, while eleven and thirty kinds of compounds were detected in steamed and baked kelp, respectively. In addition, the contents of phloroglucinol and fucoxanthin in kelp after the four processing methods were significantly reduced (p < 0.05). However, of all the methods, steaming and boiling were the best at preserving these two bioactive substances (phloroglucinol and fucoxanthin) in kelp. Therefore, steaming and boiling seemed more appropriate to maintain the original quality of the kelp. Generally, to improve the sensory characteristics of each meal of Laminaria japonica and to maximize the retention of active nutrients, several different processing methods are provided according to the respective effects.
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Affiliation(s)
- Zuomiao Yang
- National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing, Technology Research Center, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Xueting Li
- Haide College, Ocean University of China, Qingdao 266003, China
| | - Meiqi Yu
- National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing, Technology Research Center, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Shan Jiang
- National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing, Technology Research Center, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Hang Qi
- National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing, Technology Research Center, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
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Tejada L, Buendía-Moreno L, Villegas A, Cayuela JM, Bueno-Gavilá E, Gómez P, Abellán A. Nutritional and sensorial characteristics of zucchini (Cucurbita pepo L.) as affected by freezing and the culinary treatment. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2020. [DOI: 10.1080/10942912.2020.1826512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Luis Tejada
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, Guadalupe (Murcia), Spain
| | - Laura Buendía-Moreno
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, Guadalupe (Murcia), Spain
| | - Alba Villegas
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, Guadalupe (Murcia), Spain
| | - José M. Cayuela
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, Guadalupe (Murcia), Spain
| | - Estefanía Bueno-Gavilá
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, Guadalupe (Murcia), Spain
| | - Pablo Gómez
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, Guadalupe (Murcia), Spain
| | - Adela Abellán
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, Guadalupe (Murcia), Spain
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Bioactive compounds and in vitro antioxidant activity assessment of GM Bt eggplant-III (Noyantara) and stability upon boiling. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2020. [DOI: 10.1007/s11694-020-00388-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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