White tea is the least processed, with young leaves and buds, offering a delicate flavor and high antioxidants. It is lightly oxidized with a subtle, sweet taste.
Oolong tea is partially oxidized, offering a range of flavors from floral to toasty due to unique processing. It falls between green and black tea in oxidation and taste complexity.
Black tea is fully oxidized, producing a dark color and bold flavor, ranging from sweet to smoky. It has the highest caffeine content and is the most processed.
Green tea is unoxidized, retaining a green color and high antioxidants, with a fresh, grassy flavor. It offers various health benefits and can be sweet or astringent.