Mitten Extracts THCA Tropicana Cookies 88.2% THCa Our THCA isolate is created by removing all impurities through a special refinement process, leaving a flawless THCA powder in its most pure and potent form. Tropicana Cookies has a scent and taste that justify its name. It has a terpene profile that gives it a remarkably citrusy smell resembling oranges and a taste that’s both sweet and slightly floral while having those citrusy undertones as well.