Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAGAWA MUNEYUKI,Pectic Substance in Green Tea and its Quantitative and Qualitative Change by Heating,NIPPON SHOKUHIN KOGYO GAKKAISHI,0366-6123,Japanese Society for Food Science and Technology,1976,23,9,415-418,https://cir.nii.ac.jp/crid/1390282681383237120,https://doi.org/10.3136/nskkk1962.23.415