The Functions and Uses of Cooking Wine

　　Cooking wine serves several culinary functions, including flavor enhancement, improved sleep quality, tenderizing meat, aiding in the dissolution of seasonings, and promoting fermentation. Common applications include marinating ingredients, adding during cooking, preparing sauces and braising liquids, incorporating into cold salads, and using in soup preparation.

　　I. Functions of Cooking Wine

　　1. Flavor Enhancement

　　The primary flavor-enhancing functions of cooking wine are deodorization (removing fishy or gamey odors) and aroma enhancement. It imparts a pleasant fragrance to dishes and facilitates the full penetration of salty, sweet, and other flavors into food. This effect arises because ethanol—the main alcohol in wine—is volatile and effectively volatilizes odor-causing proteins and amines present in meats. Importantly, this process removes undesirable odors without compromising the integrity of meat proteins or lipids. Additionally, cooking wine contains abundant sugars and amino acids, which further contribute to aroma development and taste enhancement.

　　2. Improved Sleep Quality

　　Cooking wine is rich in eight essential amino acids required by the human body—including leucine, isoleucine, methionine, phenylalanine, and threonine. When heated, these amino acids generate various aromatic compounds reminiscent of fruits, flowers, and toasted bread. Notably, lysine and tryptophan serve as precursors for neurotransmitters in the brain, thereby supporting improved sleep quality. They also aid in fatty acid synthesis, benefiting children’s physical development.

　　3. Meat Tenderization

　　The alcohol and other components in cooking wine help relax and soften meat fibers. Ethanol penetrates deep into the meat tissue, partially breaking down proteins and resulting in a more tender, succulent texture. This tenderizing effect is especially pronounced in tougher, coarser-fibered meats such as beef and lamb.

　　4. Aid in Dissolving Seasonings

　　During cooking, cooking wine acts as a solvent, facilitating the dissolution and uniform dispersion of other seasonings throughout the dish. For instance, when preparing sauces or marinating ingredients, cooking wine helps salt, sugar, spices, and other seasonings penetrate more deeply into the food, thereby maximizing their flavor impact.

　　5. Promotion of Fermentation

　　In the preparation of fermented foods—such as kimchi or cured meats—cooking wine creates a favorable environment for microbial growth and supports the fermentation process. Its alcohol content inhibits harmful microorganisms while providing fermentable substrates for beneficial microbes, contributing to the development of distinctive, complex flavors.

　　II. Applications of Cooking Wine

　　1. Marinating Ingredients

　　Before cooking, ingredients can be marinated in cooking wine for a period of time to allow its flavor, deodorizing properties, and tenderizing effects to fully permeate the food.

　　2. Adding During Cooking

　　Cooking wine may be added at appropriate stages during stir-frying, braising, or stewing. In stir-frying, it is typically introduced shortly after ingredients hit the wok, leveraging its volatility to carry away unpleasant odors. In braising or stewing, it is commonly added after other seasonings have been incorporated.

　　3. Preparing Sauces and Braising Liquids

　　Cooking wine is an indispensable ingredient in sauce and braising liquid preparations. It is combined with soy sauce, sugar, spices, and other seasonings, then gently simmered to produce richly flavored sauces or braising broths.

　　4. Use in Cold Salads

　　Cooking wine can also be used in cold salads—but only in small quantities. Its primary role here is deodorization, while imparting a subtle, pleasant aroma of wine. Typically, it is mixed evenly with other dressings before being tossed with the salad ingredients.

　　5. Use in Soup Preparation

　　Adding cooking wine during soup preparation helps eliminate undesirable odors from ingredients and enhances overall umami richness. It is generally added at the beginning of the simmering process, allowing its aroma and functional benefits to fully integrate into the broth.

　　When cooking, avoid excessive use of cooking wine, as too much may overpower the natural flavors of the dish. Maintain a balanced diet in daily life, incorporating appropriate amounts of vegetables, fruits, meats, and other nutrient-rich foods to support optimal health.