Lemon is a yellow colored fruit most commonly used for its juice. Usually found in an oval shape, lemons are tarty and acidic. It has 5-6% of citric acid content in it. The lemon is used for its juice, rind and zest in sweet or savoury dishes and also in drinks. A lovely ingredient to bring some freshness to a dull dish. Store in the refrigerator for up to 2 weeks. Besides its culinary use lemons also make for an excellent household cleanser and deodorizer.