AK Bhattacherjee, DK Tandon - Guava: Botany, Production …, 2021 - cabidigitallibrary.org
Guava fruit is an excellent source of ascorbic acid or vitamin C (about 4–5 times higher than
orange), niacin or vitamin B3, carotenoids or provitamin A (pink-or red-pulped), pantothenic …