Jiang, Bao, and Zhen-Wen Zhang. “Phenolic Compounds and Antioxidant Properties of Grape Berries and Wines in Loess Plateau Region (China)”. Asian Journal of Chemistry 23, no. 6 (March 3, 2011): 2558–2564. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/10485.