Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TANAKA ShinzĂ´ and HARA Toshio,Determination of Conversion of Chlorophyll to Pheophytin in Green Tea,Chagyo Kenkyu Hokoku (Tea Research Journal),0366-6190,Japanese Society of Tea Science and Technology,1971-03-31,1971,35,84-87,https://cir.nii.ac.jp/crid/1390282679251518080,https://doi.org/10.5979/cha.1971.35_84