About MAKINO Rei
About Forestry and Forest Products Res. Inst. (FFPRI)
About HASHIDA Koh
About Forestry and Forest Products Res. Inst. (FFPRI)
About 森林総合研究所研究報告
About Salix
About tree (plant)
About bark
About tannin
About chemical property
About solvent extraction
About tree age
About cuttage
About Germination
About biomass resource
About polyphenol
About crushing
About Faintail willow
About fast growing tree
About educt
About Salix petsusu
About Salix pet-susu
About water extraction
About extraction process
About Forest botany
About Plant biochemistry
About Extraction
About 樹齢
About ヤナギ属
About 樹木
About 樹皮
About タンニン
About 化学特性
About 抽出法