The lemon is ellipsoidal yellow fruit. The fruit is used for culinary and non-culinary purposes throughout the world-primarily for its juice, though the pulp and the rind are also used, mainly in cooking and baking. Lemon juice is about 5% to 6% ( approximately 0.3 M) Citric acid , which gives lemons a sour taste.
Limes are roughly two inches in a diameter . Their Kelly green skin is often blushed with yellow, a sign of repines , the thin peel is smooth , leathery and filled with sour aromatic oils . The segmented seed-bearing flesh contains a sweet-tart Juice.