Ethyl valerate is an organic compound with CAS 539-82-2 and the chemical formula C7H14O2. Its molecular weight is 130.18, and it is a colorless oily liquid that is slightly soluble in water. Pure ethyl valerte appears as a colorless liquid with an apple aroma. The density of this substance is 0.875 g/mL at 25 ° C (lit.), the boiling point is 144-145 ° C (lit.), and the refractive index is n20/D 1.401 (lit.), making it a flammable substance. It is mainly used as food flavor, in strawberry, apple, jackfruit and other essence, as well as as solvent, chromatographic reagent and organic synthesis intermediate. It can be used as one of the objects of chemical research to study its chemical properties, reaction mechanisms, etc. This helps to gain a deeper understanding of the characteristics and potential applications of ethyl valrate. It can be used as one of the tools for biological research. By studying the effects and mechanisms of ethyl valrate on living organisms, new ideas and methods can be provided for biomedical research.
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Chemical Formula |
C7H14O2 |
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Exact Mass |
130.10 |
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Molecular Weight |
130.19 |
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m/z |
130.10 (100.0%), 131.10 (7.6%) |
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Elemental Analysis |
C, 64.58; H, 10.84; O, 24.58 |
Ethyl valerate is widely and variously used in food flavors. Its unique aroma characteristics make it a key component of a variety of food essence.
Core application of fruit essence
It plays a crucial role in the fruit essence. It can add fresh and sweet aroma to a variety of fruit essence, making food more close to real fruit in taste and aroma.
Strawberry essence:
it is one of the important ingredients of strawberry essence. The aroma of strawberries is complex and unique, containing various esters, alcohols, and aldehydes. As one of the ester compounds, it can form the aroma characteristics of strawberries together with other components. In the formulation of strawberry essence, its dosage and proportion need to be precisely controlled to ensure that the aroma of the final product is similar to the real strawberry.
Apple essence:
It is also contained in apple essence. The aroma of apples is mainly composed of ester compounds, among which this product is a relatively important one. Its addition can enhance the aroma intensity and persistence of apple essence, making it more close to the aroma of real apples. In the production process of apple essence, its dosage and extraction method need to be strictly controlled to ensure the aroma quality of the final product.
Jackfruit essence:
Jackfruit is a tropical fruit with rich and unique aroma. It also plays an important role in jackfruit essence. By adding an appropriate amount of this substance, the aroma characteristics of jackfruit can be simulated, making the essence more realistic and attractive.
Artificial fruit sauce is a food that simulates the taste of real fruit sauce, and its aroma and taste are crucial for consumer acceptance. Ethyl valerte plays an important role as an edible flavoring in the production of artificial fruit sauce.
Aroma blending: In the production process of artificial fruit sauce, it can be blended with other spices to create a realistic fruit aroma. By precisely controlling its dosage and proportion, the aroma characteristics of different fruits can be simulated, making the fruit sauce more realistic and tempting.
Taste improvement: Not only can it enhance the aroma quality of artificial fruit sauce, but it can also improve its taste. Its addition can make the taste of fruit sauce more delicate and smooth, enhancing consumers' consumption experience.
Application in other food essence
In addition to fruit essence and artificial jam, it is also widely used in other food essence to add unique aroma and flavor to food.
Beverage essence: It can be used to prepare various beverage essence, such as carbonated drinks, fruit juice drinks, etc. By adding an appropriate amount, the aroma intensity and durability of the beverage can be enhanced, improving the consumer's drinking experience.
Candy essence: Candy is a sweet food loved by consumers, and its aroma and taste are crucial to the attractiveness of products. It can be used to mix various candy essence, such as hard candy, soft candy, etc. By precisely controlling the dosage and proportion, it is possible to simulate the aroma characteristics of different candies, making them more tempting.
Bakery essence: Bakery products such as bread and cake also need to add essence to enhance the aroma and taste. It can be used to mix essence of baked food to make baked food more sweet and delicious.
The preparation of food essence needs to master certain skills to ensure the aroma quality and taste of the final product.
Dosage control: the dosage needs to be precisely controlled according to the needs of specific food essence. Insufficient dosage may not achieve the expected aroma effect, while excessive dosage may lead to overly strong aroma or produce off flavors. Therefore, it is necessary to strictly follow the formula ratio during the blending process to ensure that the dosage is appropriate.
Pairing with other spices: usually used in conjunction with other spices to create a complex aroma system. In the process of blending, it is necessary to reasonably mix various spices to create a synergistic effect between them, thereby enhancing the aroma intensity and durability of the food.
The selection of extraction method: The extraction method of this substance has a significant impact on its aroma quality. Common extraction methods include water distillation, solvent extraction, etc. When selecting the extraction method, comprehensive consideration should be given to its characteristics and the needs of food essence to ensure the aroma quality and safety of the final product.
Ethyl valerate, as an important edible flavoring ingredient, has broad application prospects in the food industry. Its unique aroma characteristics make it one of the key ingredients of a variety of food essence. By precise control of dosage and proportion, reasonable combination of other spices, and selection of appropriate extraction methods, the aroma quality and taste of the final product can be ensured to meet the needs of consumers. In the future, with the increasing awareness of food safety and health among consumers and the continuous development of the food industry, its applications in the food industry will become more extensive and diversified. Meanwhile, technological innovation will also provide broader space and opportunities for the application of ethyl valrate.
The characteristic of the continuous esterification process of ethyl valrate is that it includes the following steps:
Mix n-pentanoic acid solution, ethanol solution, and sulfuric acid in a molar ratio of (31-34): (39-42): 1 to prepare the base material;
Mix the n-pentanoic acid solution and ethanol solution in a molar ratio of (0.9-1.1): (0.5-0.6) to prepare a supplementary solution;
Heat the reaction kettle, add the bottom material into the reactor, and maintain a balance between the dripping amount and the liquid release amount;
Heat the reaction kettle, add the bottom material into the reactor, and maintain a balance between the dripping amount and the liquid release amount;
When the internal temperature T1 of the reaction kettle is 130-134 ℃ and the top temperature T2 of the reaction kettle is 91-95 ℃, gradually reduce the pressure to P=-0.035~-0.055Mpa, continuously add feed solution, and continue to reflux and discharge;
After the discharge of the supplementary liquid is completed and the reaction is finished, export the prepared crude ethyl valrate;
The crude ethyl n-pentate was purified by atmospheric distillation to obtain the finished ethyl n-pentate.
The purification of this substance includes the following steps:
(1) Washing;
(2) Wash with saturated sodium chloride solution;
(3) Drying: Add desiccant, stir continuously, and let it sit for 10-15 hours;
(4) Filtration: The filtrate is dried again with metallic sodium, left for 10-15 hours, and filtered to separate the metallic sodium;
(5) Distillation: The filtrate is distilled to obtain a 144-145 ℃ fraction, which is high-purity food standard ethyl valerate.
Frequently Asked Questions
How harmful is ethyl butyrate?
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Contact can irritate the skin. * Exposure to Ethyl Butyrate can irritate the eyes, nose, and throat. * Overexposure may cause headache, nausea, vomiting and make you feel dizzy and lightheaded. Higher levels can make you pass out.
What is ethyl pentanoate used for?
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Industrially, ethyl pentanoate is used as a flavouring agent and has a pleasant apple or pineapple-like aroma or scent and a strawberry or pineapple-like taste. It can also be found in tropical-scented cosmetics.
What is ethyl Ethanoate used for?
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Ethyl acetate is used as a solvent for varnishes, lacquers, dry cleaning, stains, fats and nitrocellulose. It is released during the production of artificial silk and leather, and during the preparation of photographic films and plates.
Who should not take butyrate?
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Some healthcare providers suggest avoiding butyric acid supplements if you're pregnant or breastfeeding. Butyrate has also been shown to trigger symptoms in people with bloating or a sensitive gut (food intolerance) who need lower fiber levels.
Is ethyl butyrate natural?
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Natural availability :
Ethyl Butyrate is present in apple, banana, Tagetes EO, kiwi, pineapple and many other vegetables. It can be obtained in its natural state only from plants from which an extract can be obtained.
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