22. References
Towada Best Products Data Base
http://www.city.towada.lg.jp/sangyou/hanbaisenryaku/towadasanpin_db/index.html
Health News & Views
http://healthvigil.blogspot.jp/2011/06/vegetal-plant-placenta-anti-aging.html
Ebara
http://www.ebarafoods.com/recipe/calendar/material/kisetsu_26.php
Izumo Kamiari net
http://www.izumo-kamiari.jp/blog/2010/02/08-1428.php
Hokkaido China Work
http://www.h-china.com/blog/2008/02/02/post_30.html
Geppo Yasai Joho
http://vegetable.alic.go.jp/yasaijoho/yasai/1212/yasai1.html
The Ministry of Health, Labour and Welfare
http://www.mhlw.go.jp/topics/yunyu/monitoring/2013/dl/03-130829-01.pdf
The Ministry of Agriculture, Forestry and Fisheries
http://www.maff.go.jp/kanto/seisan/engei/yasaiyunyu/pdf/getuhou_116.pdf
alic
http://vegetable.alic.go.jp/yasaijoho/kaigaijoho/1212/kaigaijoho01.html
Gobo Tengoku
http://goboutea.com/kenkou/
Ishinomaki City
http://www.city.ishinomaki.lg.jp/cont/10451000/6544/004.pdf
Ministry of Economy,Trade and Industry
http://www.meti.go.jp/topic/downloadfiles/e90121j.pdf