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Temperature affect to essential oil extraction? 


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Temperature plays a crucial role in essential oil extraction processes, impacting both the yield and quality of the extracted oils. Research has shown that controlling temperatures during extraction can lead to improved outcomes. For instance, in studies focusing on various plants like ginger, mint, basil, and citronella, it was found that different temperatures during extraction influenced the composition, yield, and quality of essential oils. Optimal temperature control not only enhances extraction efficiency but also helps in preserving the bioactive compounds present in the oils. Utilizing techniques like microwave-assisted extraction and closed-loop temperature control systems can further enhance the extraction process by ensuring precise temperature regulation, resulting in higher extraction yields and improved essential oil quality.

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Temperature significantly impacts essential oil extraction, influencing both yield and quality. Varied temperatures (80°C, 90°C, 95°C, uncontrolled 100°C) result in distinct oil compositions, highlighting the importance of temperature control.
Temperature significantly affects essential oil extraction. Controlled steam temperature at 85°C improved citronella oil quality compared to uncontrolled extraction at 100°C, enhancing physical and chemical properties of the oil.
Temperature significantly impacts essential oil extraction. Higher temperatures can increase yield but may degrade oils; for instance, basil oil yield decreased at 215°C due to degradation.
Temperature control is crucial in essential oil extraction. The study developed a Microwave Assisted Hydrodistillation method with precise temperature control to enhance essential oil quality and yield.
Drying temperature impacts essential oil yield and phytochemical quality of Mentha x villosa Huds., with decreased yield at higher temperatures but no change in major compound content.

Related Questions

What is suitable temperature to extract fat from oreo cookie?5 answersThe suitable temperature for extracting fat from Oreo cookies can vary based on the desired outcome. Studies have shown that the effects of temperature on cookies are crucial for determining quality attributes. Additionally, the oxidative stability of fats used in baking cookies can be influenced by the heating temperature. Moreover, a low-temperature process utilizing a closed system has been proposed for extracting oil and fat, emphasizing the importance of maintaining low temperatures during extraction. Therefore, a temperature range that balances the preservation of nutrients and the extraction efficiency, such as temperatures below 15°C as suggested in the low-temperature extraction process, could be suitable for extracting fat from Oreo cookies while maintaining the quality of the extracted fats.
How does the water temperature affect the caffeine extraction process in tea?4 answersThe water temperature has a significant impact on the caffeine extraction process in tea. Higher brewing temperatures result in increased extraction efficiency, leading to a higher concentration of caffeine in the tea extract. For example, one study found that the highest yield of antioxidants, including caffeine, was achieved at 100 °C. Additionally, an increase in brewing temperature was shown to increase the volatile content in the headspace of tea, indicating a higher extraction efficiency. However, it is important to note that prolonged brewing times at high temperatures can lead to the degradation of antioxidants, including caffeine. Therefore, finding the optimal brewing temperature and time is crucial to achieve a higher concentration of caffeine in tea drinks.
What is the ideal time for extracting essential oils?4 answersThe ideal time for extracting essential oils varies depending on the plant material and the extraction method used. In the study by Barros et al., it was found that a distillation time of 30 minutes resulted in the best extraction yield for eucalyptus and rosemary oils. Jafari et al. optimized the extraction parameters for anise essential oil and found that a process time of 77.71 minutes yielded higher extraction efficiency compared to conventional hydrodistillation. The study by Halim et al. used subcritical water extraction and found that an extraction time of 29 minutes resulted in the optimal yield of Citrus hystrix essential oil. Elyemni et al. optimized the microwave-assisted hydrodistillation process for rosemary oil and found that an extraction time of 20 minutes gave the maximum yield. Overall, the ideal extraction time for essential oils can range from 20 to 30 minutes, depending on the specific plant material and extraction method used.
What are the effects of different water temperatures on the extraction of orange peel by mixing?5 answersThe effects of different water temperatures on the extraction of orange peel have been studied in several papers. Increasing the temperature of extraction has been found to increase the concentration of calcium (Ca) and potassium (K) in orange and lemon peel extracts. Subcritical water extraction (SWE) at temperatures ranging from 110 to 150 °C has been shown to be an efficient method for extracting flavonoids from defatted orange peel, with maximum yields obtained at 150 °C. The extraction rates of flavonoids from Citrus unshiu peel using subcritical water were found to increase with temperature, with extraction yields reaching their highest values at 160 °C. The effects of temperature on the extraction of pectin from sour orange peel have also been investigated, with the highest extraction yield obtained at a temperature of 95 °C. Overall, these studies suggest that higher temperatures can enhance the extraction of bioactive compounds from orange peel.
How do essential oils affect the taste of food?2 answersEssential oils (EO) are compounds that are used in food to provide flavor and aroma. They can improve the taste of food by enhancing the flavor, odor, and color when added to foods. Essential oils have been used directly or encapsulated in foods and packaging to obtain bacterial inhibition and prolong shelf life. They can delay food spoilage without changing the organoleptic properties of the food. Essential oils are also used as natural flavoring agents in food packaging materials. Active packaging incorporating essential oils helps to maintain temperature, moisture level, and microbial and quality control of the food. Overall, essential oils have the potential to enhance the taste of food by adding flavor, inhibiting bacterial growth, and maintaining the quality of the food during storage and transportation.
How temperature and irritation are important?1 answersTemperature and irritation are important factors that influence various aspects of skin and sensory perception. Studies have shown that the temperature of solutions can significantly affect the penetration of irritants through the skin, as well as the irritant potential of surfactants and detergents. Higher temperatures have been found to result in greater skin damage and increased skin irritation. Additionally, temperature can also impact the perception of taste and chemesthetic sensations, with heating enhancing the perception of irritation and cooling suppressing sensitization of irritation. These findings highlight the role of temperature in determining the onset of irritant contact dermatitis and the sensory perception of irritants.

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