中村隆典
中村隆典（Nakamura Takanori）
人物简介
以SHR大鼠实验发现杜仲茶抗高脂血症作用，并揭示杜仲叶活性成分季节动态。
事迹
中村隆典是日立造船杜仲茶开发团队的理学担当。他以SHR大鼠模型系统筛选杜仲叶茶的新药效，发现其抗高脂血症作用并取得专利，为日后'杜仲120'等特保食品的功能扩展提供了实验依据。
他与中泽庆久、野原稔弘合作的杜仲叶成分研究，首次把京尼平苷酸、松脂醇二葡萄糖苷确立为杜仲叶的有效指标成分，并查明采收期对含量的决定性影响——这一成果直接支撑了杜仲茶原料的品质管理，成为日本杜仲叶研究的经典文献。
重要活动 / 事件
- 1990年代 在日立造船生物事业部从事杜仲茶药理研究
- 1997年前后 发表杜仲叶有效成分HPLC定量研究
- 1998年12月 抗高脂血症食品专利公开（权利后归日立造船生物）
- 退社后任姬路独协大学教授，继续食品功能研究
代表贡献
- 1998年取得'具有抗高脂血症功能的食品'专利（特开平10-304848），以自发性高血压大鼠（SHR）实验发现杜仲茶抗高脂血症新药理作用
- 与中泽庆久、野原稔弘等首次从杜仲叶中确认京尼平苷酸（GA）与松脂醇二葡萄糖苷（SDG）为主要有效成分
- 用反相HPLC揭示杜仲叶GA、SDG含量随采收季节变化规律（GA以8月最高约2%，SDG以11月最高），为杜仲叶采收标准化提供依据
- 发现加热处理可防止杜仲叶有效成分在贮藏中下降
Profile
Discovered the anti-hyperlipidemic effect of Tochu tea in SHR rat experiments and revealed the seasonal dynamics of active constituents in Eucommia leaves.
Story
Nakamura Takanori was the science lead of Hitachi Zosen's Tochu tea development team. Using the SHR rat model, he systematically screened Eucommia-leaf tea for new pharmacological effects, discovered its anti-hyperlipidemic action, and obtained a patent—providing experimental grounds for the later functional expansion of FOSHU products such as 'Tochu 120'.
His collaborative research on Eucommia-leaf constituents with Nakazawa Yoshihisa and Nohara Toshihiro was the first to establish geniposidic acid and pinoresinol diglucoside as the active marker constituents of Eucommia leaves, and it clarified the decisive influence of harvest time on their contents—a result that directly underpinned quality control of Tochu tea raw material and became a classic of Japanese Eucommia-leaf research.
Milestones
- 1990s Conducted pharmacological research on Tochu tea in Hitachi Zosen's biotechnology division
- Around 1997 Published HPLC quantification studies of active constituents in Eucommia leaves
- December 1998 The anti-hyperlipidemic food patent was published (rights later assigned to Hitachi Zosen's biotechnology arm)
- After leaving the company, became a professor at Himeji Dokkyo University, continuing food-function research
Key Contributions
- In 1998 obtained the patent 'Food with anti-hyperlipidemic function' (JP H10-304848), having discovered a new anti-hyperlipidemic pharmacological action of Tochu tea in experiments on spontaneously hypertensive rats (SHR)
- With Nakazawa Yoshihisa, Nohara Toshihiro, and others, first identified geniposidic acid (GA) and pinoresinol diglucoside (SDG) as the principal active constituents of Eucommia leaves
- Using reversed-phase HPLC, revealed the seasonal variation of GA and SDG contents in Eucommia leaves (GA peaking at about 2% in August, SDG peaking in November), providing a basis for standardizing leaf harvest
- Discovered that heat treatment prevents the decline of active constituents in Eucommia leaves during storage
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