Studies at the San Martín State University of Tarapoto, Peru, show that 100 grams of pulp from the most acid lemon has 44 milligrams of ascorbic acid, while the same amount of azarole has 4,600 milligrams.
Penelitian di Universitas Negara Bagian San Martin di Tarapoto, Peru, memperlihatkan bahwa 100 gram daging buah lemon yang paling asam mengandung 44 miligram asam askorbat, sedangkan 100 gram azarole mengandung 4.600 miligram asam askorbat.