Quality evaluation of grape seed extract Oligomeric and polymeric proanthocyanidins from Hippophae rhamnoides seed Cancer prevention and anticancer activity of proanthocyanidins Dynamic Changes of Polyphenols and Their Relationship with Antioxidant Capacity in the Muscat Hamburg Grapevine Dynamic Changes of Polyphenols and Their Relationship with Antioxidant Capacity in the Muscat Hamburg Grapevine Progress on the Polymerization Mechanism of Proanthocyanidins during Their Biosynthesis HPLC determination of proanthocyanidins in Ginkgo Folium preparation Effect of hawthorn proanthocyanidins and vitimin C on liver oxidative stress in insulin-resistance rats Ultrasound-assisted subcritical water extraction of proanthocyanidins from defatted grape seed and its antioxidant activity Proanthocyanidins Inhibit Seed Germination by Maintaining High Level of Abscisic Acid in Arabidopsis thaliana Influence of Nelumbinis Receptaculum from different regions and picking times on content of proanthocyanidins Comparison of in vitro release behavior of proanthocyanidins flexiblenanoliposomes and general nanoliposomes