About KOJIMA KOJI
About secondary metabolite
About terpenoid
About alkaloid
About polyphenol
About flavonoid
About organic substance
About cell physiology
About fat-soluble vitamin
About quinone
About carotenoid
About chemical synthesis
About reaction path
About food ingredient
About nitrogen heterocyclic compound
About drug
About tobacco alkaloid
About unsaturated fatty acid
About phenolic compound
About olefin compound
About carboxamide
About phenol ether
About sterol
About alicyclic alcohol
About plant secondary metabolites
About catechins
About phenylpropanoid
About synthetic pathways
About functional ingredient
About Food chemistry,nutritional value
About Plant biochemistry
About Terpenoids in general
About Nicotine
About Capsaicin
About Cholesterol
About 食品
About イソプレノイド
About 役割