HORTICULTURE

Detailed explanation-1: -Natural xanthine derivatives such as caffeine, theophylline and theobromine are purine based nitrogenous compounds which possess certain medicinal properties that are being exploited in broader ways. These derivatives are usually known as methyl xanthine derivative commonly produced by both plants and animals [4, 5].

Detailed explanation-2: -ARTICLE HIGHLIGHTS: Caffeine is a purine alkaloid from plants and it has a broad use in current pharmacology. Caffeine is a competitive antagonist of neurotransmitter adenosine on adenosine receptors. The substance is added as a supplementary to drugs and food.

Detailed explanation-3: -Caffeine. Caffeine is a crystalline xanthine alkaloid that acts as a stimulant in the brain. Caffeine is found in many plants and natural products around the globe.

Detailed explanation-4: -Xanthine is a product on the pathway of purine degradation. It is created from guanine by guanine deaminase. It is created from hypoxanthine by xanthine oxidoreductase. It is also created from xanthosine by purine nucleoside phosphorylase.