2-Methyltetrahydrofuran-3-one丨CAS 3188-00-9

2-Methyltetrahydrofuran-3-one丨CAS 3188-00-9 is a heterocyclic organic compound with a five-membered ring containing an oxygen atom and a ketone functional group. Also known as methyl-3-hydroxy-2-tetrahydrofuranone, it is a volatile, low molecular weight compound with significant relevance in flavor chemistry, fragrance design, and chemical synthesis. It is naturally found in small quantities in certain foods and is known for its pleasant, sweet, and caramel-like aroma, which has led to its use in the food and flavoring industry.

1. Flavor and Fragrance Industry
2-Methyltetrahydrofuran-3-one丨CAS 3188-00-9 is primarily used as a flavoring agent and fragrance additive due to its sweet, nutty, and caramel-like odor. It plays an important role in mimicking natural flavors in a wide range of consumer goods.
● Flavor enhancer: Found in flavor formulations resembling maple, caramel, roasted, or baked profiles.
● Natural occurrence: It occurs naturally in roasted coffee, cooked meats, soy sauce, and other heat-processed foods, which makes it a desirable synthetic alternative in processed food flavoring.
● Fragrance component: Occasionally included in perfume and aroma compositions to impart warm, gourmand notes.
2. Food Industry
Used in trace amounts as a flavoring substance, it is part of approved flavoring lists in some regulatory jurisdictions.
● Processed foods: Applied in the flavoring of products like confectionery, baked goods, dairy, and savory snacks.
● Regulatory status: Typically categorized as Generally Recognized as Safe (GRAS) when used within permitted levels, based on assessments of its natural occurrence and metabolic safety.
3. Aroma Research and Sensory Evaluation
2-Methyltetrahydrofuran-3-one丨CAS 3188-00-9 is extensively studied in sensory analysis and aroma chemistry for understanding flavor formation mechanisms, especially in thermal food processing.
● Maillard reaction studies: Plays a key role in the aroma profile resulting from Maillard reactions, which are responsible for the complex flavors in cooked foods.
● Aroma profiling: Frequently used as a marker compound in food science to indicate heat-induced aroma development.
4. Organic Synthesis Intermediate
Although not a large-scale industrial intermediate, this compound may be used in organic synthesis as a building block or starting material for creating more complex heterocyclic or chiral molecules.
● Synthetic chemistry: Potentially useful in the development of pharmaceutical intermediates, flavor analogs, or specialty chemicals where furan-based compounds are required.
5. Biotechnological and Natural Product Research
Due to its natural presence in foods and fermentation processes, 2-methyltetrahydrofuran-3-one is of interest in biotechnological applications.
● Fermentation studies: Appears as a volatile byproduct in microbial or enzymatic fermentation, and is thus monitored in research aimed at natural flavor production.
● Biosynthesis pathways: Investigated for its role in microbial biosynthesis of aroma compounds or as a target molecule in metabolic engineering.

1. Highly Effective Flavor Compound
Even in trace amounts, 2-Methyltetrahydrofuran-3-one丨CAS 3188-00-9 has a powerful aroma impact, contributing significantly to flavor perception.
● Low odor threshold: Its potency makes it a cost-effective and efficient ingredient in flavor formulations.
● Complex aroma profile: Contributes a nuanced caramelized, nutty, or roasted character, enhancing overall sensory appeal.
2. Naturally Occurring and Recognized for Safety
As a compound that occurs naturally in heat-treated foods, it aligns with consumer preferences for natural-identical flavoring agents.
● Food-safe history: Recognized in some jurisdictions as safe for use in food, especially when used at low concentrations mimicking its natural levels.
● Consumer-friendly: Used in "clean label" formulations where natural or naturally derived ingredients are preferred.
3. Versatile Sensory Applications
Its aroma is valued in both sweet and savory applications, making it highly versatile.
● Broad sensory spectrum: Complements both desserts and meat-flavored foods.
● Synergistic effects: Can enhance or modify the aroma impact of other flavor compounds in complex mixtures.
4. Useful in Analytical and Quality Control
Because of its specific sensory properties and formation in heat-processed foods, it can be used in analytical chemistry.
● Aroma markers: Acts as an indicator in quality control processes related to roasting, baking, and cooking.
● Analytical reference: Serves as a standard in GC-MS (Gas Chromatography-Mass Spectrometry) for identifying aroma components in food products.
5. Research Relevance
The compound continues to gain attention in scientific studies related to food chemistry, natural product chemistry, and flavor synthesis.
● Educational use: Often included in teaching laboratories focused on flavor science and aroma identification.
● Innovation potential: Provides insights into flavor generation and potential applications in artisanal or functional food design.

Conclusion
2-Methyltetrahydrofuran-3-one丨CAS 3188-00-9 is a potent aroma compound with broad applications in the food, flavor, and fragrance industries. Its distinct caramel-like, nutty aroma makes it ideal for use in baked goods, savory products, and confectionery, either as a flavor enhancer or a natural aroma mimic. Its versatility extends to research and biotechnological applications, making it an important compound in both industrial and academic settings. With a favorable sensory profile and recognition as a safe, naturally occurring compound, it remains a valuable tool in the formulation of appealing and high-quality flavor experiences.