Optimization of Extraction of Shell Polyphenols by Quadratic Rotation Orthogonal and Antioxidant Activity from the Chestnut  
SONG Zhao-feng*, ZHU Feng, ZHAO Hai-quan
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2018, (6): 1021 -1029 .  DOI: 10.16333/j.1001-6880.2018.6.018