Phenolic constituents from twigs of Acer rubrum and their anti-oxidation and anti-α-glucosidase activities Phenolic Constituents from the Fruits of Areca catechu and Their Anti-bacterial Activities Studies on the Chemical Constituents from the Bud of Cleistocalyx operculatus Phenolic components from Dendrobium nobile Study on phenolic constituents of stems and leaves from Arachis hypogaea Studies on HPLC chromatogram of phenolic constituents of Cortex Magnoliae Officinalis Phenolic Compounds Iso。lated from。Root and Rhizoma of Aster tataricus Five phenolic constituents from roots of Elsholtzia bodinieri