Phenolic content in tea green tea. Catechins constitute about 25% of the dry mass of a fresh tea leaf, although total catechin content varies widely depending on species, clonal variation, growing location, season, light variation, and altitude. They are present in nearly all teas made from "Camellia sinensis", including white tea, green tea, black tea and oolong tea. Of all the catechins in tea, EGCG is the main subject of scientific study with regard to its potential health effects. 4-Hydroxybenzoic acid, 3,4-dihydroxybenzoic acid (protocatechuic acid), 3-methoxy-4-hydroxy-hippuric acid and 3-methoxy-4-hydroxybenzoic acid (vanillic acid) are the main catechins metabolites found in humans after consumption of green
Charleston Tea Plantation buying local products. It helped when the White House discovered the locally grown tea and since 1987, the American Classic Tea brand of the Charleston Tea Plantation has been the official tea of the White House. The Charleston Tea Plantation is located on Wadmalaw Island, outside of Charleston, South Carolina and is open to visitors every day of the week. Admission is free and they offer tours, tea tastings, and other amenities. The factory tour takes visitors inside the factory and covers history, harvesting, and production. The Trolley Tour covers the grounds and the growing of the "Camellia sinensis" plant