How much caffeine does green tea contain?

Does green tea contain caffeine? In short, yes. But the important question is: How much? That’s a much harder question, because different studies have found that the caffeine content of any given cup of green tea varies.
Stain: The Tea Cup That Improves With Use

Stain is a unique tea cup created by Bethan Laura Wood, a designer from the UK. At first, the cup looks like any other cup, but the natural staining that comes from using the cup reveals a hidden pattern.
Thomas Lipton, James Taylor and the Origins of the Ceylon Tea Industry

It began with a parasite. Hemileia vastarix, or Coffee Rust, decimated 19th century Ceylon’s coffee crops in 1869, wreaking havoc on the island’s coffee plantations and sparking the birth of the tea industry, which remains vital to the Sri Lankan economy today.
Sniffing tea: How two weeks of shading affects a tea's aroma

I love sniffing tea. It tunes you into the subtle nuances between the types of tea. But when it comes to smelling the difference between sencha and gyokuro green teas, there’s nothing subtle about it.




