juice from 1 lemon

Lemon juice is the liquid extract from the fruit of Citrus limon, a small, yellow citrus fruit native to South Asia and widely cultivated in Mediterranean climates. The juice comprises approximately 5-8% citric acid by weight, which imparts its characteristic sharp, acidic taste. Lemons also contain ascorbic acid (vitamin C), flavonoids, and aromatic compounds that contribute to their distinctive flavor profile. The juice ranges from pale to golden yellow and can be extracted fresh from the fruit or obtained in bottled, pasteurized, or concentrate forms.

Fresh lemon juice is preferred in culinary applications for its bright, clean flavor and superior aroma compared to processed alternatives. The juice develops complexity when exposed to air and can vary in acidity depending on the lemon variety, ripeness, and growing conditions.

Lemon juice functions as both an acidulant and flavor enhancer across virtually all global cuisines. It is essential in Mediterranean cooking for dressings, marinades, and finishing dishes, particularly fish and poultry. In Asian cuisines, it provides brightness to curries, stir-fries, and soups. The juice prevents enzymatic browning in fruits and vegetables, emulsifies vinaigrettes, tenderizes proteins through acid denaturation, and balances richness in cream-based sauces and desserts. It is fundamental to beverages ranging from lemonades to cocktails, and integral to preservation through pickling and curing.

Beyond flavor, lemon juice's acidity serves crucial chemical functions: it curdles milk for fresh cheese production, activates baking soda in baked goods, and denatures proteins in ceviche preparation.