According to US FDA/CFSAN, the pH of lettuce is as follows: Lettuce 5.80 - 6.15 Lettuce, Boston 5.89 - 6.05 Lettuce, Iceberg 5.70 - 6.13 hope that'll help =)
Some lettuce does contain small amounts of citric acid, and the nutrient folic acid. But the pH of lettuce is usually not below 6, very weakly acidic.
Grape is the most acidic because it has to lowest pH.
Lettuce (Lactuca sativa) is grown as a leafy vegetable. It was first cultivated by the ancient Egyptians. Lettuce grows best in full sun in loose, nitrogen-rich soils with a pH between 6.0 and 6.8. Partial shade is important when growing lettuce during the warm season -- it keeps the lettuce from bolting (producing flowers and seeds).
The possessive form for the singular noun lettuce is lettuce's.
romaine lettuce is different because it is much fresher than reg lettuce.
The noun lettuce has varied usage in the plural. Traditionally the usage is "three heads of lettuce", but the alternative "three lettuces" has become very common during the last century. The collective noun is always "I like lettuce" or "this farmer grows lettuce".
The word "lettuce" is a noun.
lettuce with butter on it
No, lettuce has leaves.
Lettuce
Iceberg lettuce is quite delicious.