DL-Alanine
DL-Alanine has a subtle sweet taste (about 60% of the sweetness of sucrose) and the ability to enhance umami (savory) flavors—a key advantage that makes it a popular flavor adjuvant. It works by:
Synergizing with other umami substances (e.g., monosodium glutamate, MSG; inosinic acid, IMP) to amplify the savory taste of food, reducing the required dosage of high-cost umami additives while maintaining or improving flavor intensity.
Masking unpleasant off-flavors, such as the bitterness of plant extracts (e.g., soy protein isolates) or the metallic taste of some food fortifiers (e.g., iron, zinc salts).
Typical Applications:
Seasonings & Condiments: Added to soy sauce, oyster sauce, chicken essence, bouillon cubes, and salad dressings. For example, adding 0.1%–0.3% DL-Alanine to soy sauce enhances its mellow umami and reduces the salty aftertaste.
Snacks: Used in potato chips, roasted nuts, and savory biscuits to balance flavors and enhance the "richness" of taste.
Processed Meats: Mixed into sausages, ham, and bacon to improve the meaty flavor and mask the taste of preservatives (e.g., nitrites) or additives.
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