7AYINAMPUDI S, DOMALA R, MERUGU R, et al. New ice- texane diterpenes with intestinal α-glucosidase inhibitory and free-radical scavenging activity isolated from Premna tomentosa roots [ J ]. Fitoterapia, 2012,83 ( 1 ) : 88-92.
8HU Z, XUE Y, YAO G, et al. Chemical constituents from the leaves of Premna microphylla turcz [ J ]. J Chin Pharmaceutical Sci ,2013,22 (5) :431-434.
9WILLATS W, KNOW J, MIKKELSON J. Pectin: new insig- hts into an old polymer are starting to gel [ J ]. Trends Food Sci Technol,2006,17 (3) :97-104.
10CHEN J, LIANG R, LIU W, et al. Extraction of pectin from Premna microphylla turcz leaves and its physicochemical properties [ J ]. Carbohydr Polym, 2014,102 ( 2 ) :376-384.