Igarashi Yuko, Obara Taku, Ishikuro Mami, Matsubara Hiroko, Shigihara Michiko, Metoki Hirohito, Kikuya Masahiro, Sameshima Yoichi, Tachibana Hirofumi, Maeda-Yamamoto Mari, and Kuriyama Shinichi. 2017. “Randomized Controlled Trial of the Effects of Consumption of ‘Yabukita’ or ‘Benifuuki’ Encapsulated Tea-Powder on Low-Density Lipoprotein Cholesterol Level and Body Weight”. Food & Nutrition Research 61 (June). https://foodandnutritionresearch.net/index.php/fnr/article/view/1211.