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"Sous-vide cooking."
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Sous-Vide as a Technique for Preparing Healthy and High-Quality Vegetable and Seafood Products
Sous-vide is a technique of cooking foods in vacuum bags under strictly controlled temperature, offering improved taste, texture and nutritional values along with extended shelf life as compared to the traditional cooking methods. In addition to other constituents, vegetables and seafood represent important sources of phytochemicals. Thus, by applying sous-vide technology, preservation of such foods can be prolonged with almost full retention of native quality. In this way, sous-vide processing meets customers’ growing demand for the production of safer and healthier foods. Considering the industrial points of view, sous-vide technology has proven to be an adequate substitute for traditional cooking methods. Therefore, its application in various aspects of food production has been increasingly researched. Although sous-vide cooking of meats and vegetables is well explored, the challenges remain with seafoods due to the large differences in structure and quality of marine organisms. Cephalopods (e.g., squid, octopus, etc.) are of particular interest, as the changes of their muscular physical structure during processing have to be carefully considered. Based on all the above, this study summarizes the literature review on the recent sous-vide application on vegetable and seafood products in view of production of high-quality and safe foodstuffs.
Journal Article
Effects of Sous-Vide on Quality, Structure and Flavor Characteristics of Tilapia Fillets
To investigate the effects of traditional high-temperature cooking and sous-vide cooking on the quality of tilapia fillets, muscle microstructure, texture, lipid oxidation, protein structure, and volatile compounds were analyzed. In comparison with samples subjected to traditional high-temperature cooking, sous-vide-treated samples exhibited less protein denaturation, a secondary structure dominated by α-helices, a stable and compact structure, a significantly higher moisture content, and fewer gaps in muscle fibers. The hardness of the sous-vide-treated samples was higher than that of control samples, and the extent of lipid oxidation was significantly reduced. The sous-vide cooking technique resulted in notable changes in the composition and relative content of volatile compounds, notably leading to an increase in the presence of 1-octen-3-ol, α-pinene, and dimethyl sulfide, and a decrease in the levels of hexanal, D-limonene, and methanethiol. Sous-vide treatment significantly enhanced the structural stability, hardness, and springiness of muscle fibers in tilapia fillets and reduced nutrient loss, enriched flavor, and mitigated effects on taste and fishy odor.
Journal Article
Sous vide made simple : 60 everyday recipes for perfectly cooked meals
With affordable home machines becoming widely available, sous vide cooking has dramatically increased in popularity. And with this popularity, there is more demand for weeknight-friendly sous vide recipes. Sous Vide Made Simple satisfies this demand with foolproof master recipes for flawless meat, poultry, fish, and vegetables that can be made quickly and easily (and in advance!) with your home sous vide machine, and then 50 spin-off recipes for turning these into crowd-pleasing full meals. Unlike the competition, Sous Vide Made Simple isn't just meat and potatoes, instead, it's packed with vegetables, lighter fare, and globally inspired food, like Salmon Tacos with Avocado and Chipotle, Cauliflower Steak with Capers and Lemon, Carnitas Quesadilla, and Thai Red Curry, as well as improved stand-bys like New England Pot Roast. From a tested author and trusted sous vide maker, and with every recipe photographed, this book makes sous vide cooking accessible to every home cook-- Provided by publisher.
Book
Physical Aspects of Meat Cooking: Time Dependent Thermal Protein Denaturation and Water Loss
Selective denaturation of meat proteins - essential to reach desired textures - requires cooking temperatures corresponding to their different structure and interactions. Sous-vide cooking allows precise control over the denaturation state of meat proteins (and thus the cooking state of meat products) due to the possibility to cook at very well defined temperatures. Additionally, kinetic effects also play an important role. Differential scanning calorimetry (DSC) has been used here to follow the denaturation state of proteins in pork filet (
Musculus psoas major
), which had been heat treated at different time (10–2880 min) and temperature (45–74 °C) combinations. Additionally, the water loss (cooking loss) occurring during heat treatments has been determined. Four endothermic peaks have been observed in the DSC curves. Their individual time and temperature dependent enthalpies show that proteins become denatured at temperatures well below the peak temperatures if kept there for long times. This observation is underlined by statistical arguments. Cooking loss increases with time and temperature, while the main water loss occurs during the first 240 min and at temperatures above 60 °C. Due to the different kinetics found for protein denaturation and cooking loss, it is not possible to directly correlate the two quantities.
Journal Article
Simple sous vide : 200 modern recipes made easy
\"Make it easy, make it sous vide. You don't have to be a high-end chef to bring the wonder of sous vide into your home. You can use the wildly popular water-immersion cooking technique to make juicy chicken, tender, evenly cooked steak, and sweet, straightforward desserts that won't suffer from drying, charring, or uneven temperatures. Learn the best practices of using your sous vide circulator to create tasty dinners, sides, desserts, and infusions. From BBQ-Style Pulled Pork and Herb-Crusted Flank Steak, to Glazed Rainbow Carrots and Cinnamon-Vanilla Crème Brûlée, you'll find tons of delicious, no-fuss recipes using ingredients that can be found in any grocery store. Make sous vide your go-to cooking process and enjoy endless flavor Vide\"--Page 4 of cover.
Book
Survival of Campylobacter jejuni, Salmonella, and Listeria monocytogenes and Temperature Change in Low-Temperature–Longtime-Cooked Chicken Meat
Low-temperature and longtime (LT-LT) cooking, also known as sous vide cooking, is the process in which meat is sealed in a bag and cooked in hot water at a relatively low temperature of around 60°C. This cooking method has increased in popularity, and low-temperature cookers for home use are now commercially available. However, after LT-LT cooking, if any foodborne bacteria remain, they could cause infection and foodborne illnesses. Therefore, in the present study, the aim was to determine the appropriate LT-LT cooking methods for chicken by assessing temperature changes and studying the bacteria in LT-LT-cooked chicken meat. At set cooking temperatures of 60 and 65°C, the temperatures were measured at the surface and in the centers of single- and double-layer samples of 300 g of chicken breast meat. The times required to reach 50°C were 5 to 14 min at the surface, 25 min in the center of the single-layer sample, and 33 to 35 min in the center of the double-layer sample. The time taken to reach 50°C was fastest in the surface of single-layer chicken meat, followed by the center of single-layer and double-layer chicken meat (P < 0.05). When the meat was LT-LT cooked at 60 and 65°C for 60 min, color changes in the meat and heating of the meat were observed all the way to the interior. Campylobacter jejuni, Salmonella O7, and Listeria monocytogenes were inoculated into chicken breasts, which were then cooked at set temperatures of 60 and 65°C for 15, 30, 60, 90, and 120 min. C. jejuni survived for up to 30 min of cooking, Salmonella O7 survived for up to 60 min of cooking at 60°C and 30 min at 65°C, and L. monocytogenes survived for up to 90 min of cooking at 60°C and 60 min at 65°C. Thus, to prevent infection and illness caused by the three tested bacteria species, LT-LT cooking for 120 min at 60°C and 90 min at 65°C is recommended.
Journal Article
Ultrasonic Treatment Improves the Tenderness and Retains Organoleptic Properties of Squid (Illex argentinus) before and after High/Low Temperature Cooking
Traditional squid products often exhibit a firm texture, which adversely affecting their palatability. This study investigated the potential of ultrasound pretreatment and sous-vide cooking as alternatives to the conventional sodium tripolyphosphate pretreatment and high-temperature cooking methods, aiming to better preserve the color, tenderness, flavor, and overall sensory attributes of squid products. Results showed that treating squid with ultrasound at 200 W and 25 kHz for 15 min yielded tenderness comparable to that obtained from soaking in a 1% sodium tripolyphosphate solution for 2 h. After ultrasound treatment, the hardness of the squid initially decreased and then increased as sous-vide cooking time extended. The squid exhibited the lowest hardness and optimal color when cooked at 70 °C for 20 min. Compared to traditional high-temperature cooking, sous-vide cooking retained higher free amino acids content, which allowed more formation of umami and sweet-tasting amino acids. The radar plots from electronic nose detection also indicated that sous-vide process presented a more pronounced flavor profile. Therefore, the combination of ultrasound pretreatment and sous-vide cooking significantly enhanced the edible quality and flavor characteristics of squid, demonstrating substantial potential to replace traditional squid processing methods.
Journal Article
Changes in Textural Quality and Water Retention of Spiced Beef under Ultrasound-Assisted Sous-Vide Cooking and Its Possible Mechanisms
The present study investigated the effects of ultrasound (28 kHz, 60 W at 71 °C for 37 min) combined with sous-vide cooking (at 71 °C for 40, 60, 80, 100, 120 min) on the textural quality, water distribution, and protein characteristics of spiced beef. Results showed that the spiced beef treated with conventional cooking (CT) had the highest cooking loss (41.31%), but the lowest value of shear force (8.13 N), hardness (55.66 N), springiness (3.98 mm), and chewiness (64.36 mJ) compared to ultrasound-assisted sous-vide (USV) and sous-vide cooking (SV) groups. Compared with long-time thermal treatment, USV heating within 100 min enhanced the water retention of spiced beef by maintaining the lower values of cooking loss (16.64~25.76%), T2 relaxation time (242.79~281.19 ms), and free water content (0.16~2.56%), as evident by the intact muscle fibers. Moreover, the USV group had relatively lower carbonyl content, but higher sulfhydryl content compared to CT and SV groups. More protein bands coupled with a minor transformation from α-helixes to β-turns and random coils occurred in USV40~USV80. In conclusion, these results indicated that USV treatment within 100 min positively affected the textural quality and water retention of spiced beef by moderate protein oxidation.
Journal Article