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3. 3) Standard Tables of Food Composition in Japan 2020(8th Edition)Analysis Manual, Ministry of Education, Culture, Sports, Science and Technology. https://www.mext.go.jp/a_menu/syokuhinseibun/mext_01110.html
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5. 5) Ministry of Health, Labor and Welfare Notification. Japanese Pharmacopoeia, 18th ed. Pharmaceutical Articles (Chemicals, etc.), No. 64, 2016, p. 1359.