However, the concentration may vary according to the species, the degree of ripeness and the conditions of storage and treatment before consumption.
The foods richest in vitamin C are: some fresh fruits (sour fruits, citrus fruits, pineapples, kiwis, strawberries, cherries, etc.), some fresh vegetables (lettuce, radicchio, spinach, broccoli, etc.), some fresh vegetables (broccoli, cabbage, cauliflower, tomatoes, peppers), tubers (especially new potatoes).
The minimum amount of vitamin C to prevent scurvy in adults is about 10 mg / day.
According to the LARN, the recommended adult ration is 60 mg / day (more or less the same dose contained in a medium sized kiwi).
For the pregnant woman and the nurse the recommended ration is 70 and 90 mg / day respectively.
1 The upper limits of the age range are intended up to the completion of the next birthday, for example with "1 - 3 years" means from 1 year just turned up to the completion of the 4th year). The last age group of the woman it is "50 and more" because with menopause the needs of two important nutrients change: calcium and iron. In the "man" the last age group is "60 and over".
2 In infants, children and adolescents, the weight ranges are the reference values taken from table 1 of the "Energy" chapter: the lower limit of the interval corresponds to the weight of females in the lowest age class, while the upper limit corresponds to the weight of males in the older age group. In the adult, the average desirable weight of males and females in the Italian population was reported (see chapter "Energy").
