India s best quality Fresh Lemon from fresh farm . Lemon is a rich source of vitamin C, providing 64% of the Daily Value in a 100 g reference amount (table). Other essential nutrients are low in content. Lemons contain numerous phytochemicals, including polyphenols, terpenes, and tannins.Lemon juice contains slightly more citric acid than lime juice (about 47 g/L), nearly twice the citric acid of grapefruit juice, and about five times the amount of citric acid found in orange juice.[