Study reveals reduced γ-glutamyl hydrolase activity as a key to higher folate levels in tomato
Tomato is the sixth most important globally grown crop and is rich in many nutraceuticals, especially the antioxidants lycopene and β-carotene. Vitamin B9 (folate) is an essential vitamin for all organisms. However, despite the high folate content in tomato leaves, the fruits contain only moderate levels.