Reserpine(利血平), a tranquilizer 镇定剂) and hypotensive agent, from the folklore remedy rauwolfia serpentina(萝芙木属蛇根碱) · Periwinkle(长春花), or vinca rosea, in the treatment of diabetes mellitus
• Reserpine （利血平）, a tranquilizer （镇定剂） and hypotensive agent, from the folklore remedy Rauwolfia serpentina（萝芙木属蛇根碱）. • Periwinkle（长春花）, or Vinca rosea, in the treatment of diabetes mellitus
Vinblastine(长春碱) and vincristine (长春新碱),fromⅥ nca rosea, exhibited antitumor capabilities Paclitaxel (Taxol), from an extract of the pacific yew(紫杉)tree, is used in the treatment of ovarian cancer
• Vinblastine （长春碱） and vincristine （ 长 春 新 碱 ） , from Vinca rosea, exhibited antitumor capabilities. • Paclitaxel (Taxol), from an extract of the Pacific yew （紫杉）tree, is used in the treatment of ovarian cancer
After the isolation and structural identification of active plant constituents organic chemists may recreate them by total synthesis in the laboratory TThe natural chemical could be also used as the starting material in the creation of slightly different chemical structures through molecular manipulation. The new structures, termed semisynthetic drugs
• After the isolation and structural identification of active plant constituents, organic chemists may recreate them by total synthesis in the laboratory. • The natural chemical could be also used as the starting material in the creation of slightly different chemical structures through molecular manipulation. The new structures, termed semisynthetic drugs
Animals have served humans in their search for drugs in a number of ways Hormonal substances, such as thyroid (甲状腺) extract., insulin,and pituitary(脑垂体) hormone obtained from the endocrine glands of cattle, sheep and swine The use of animals in the production of various biologic products, including serums antitoxins and vaccines
• Animals have served humans in their search for drugs in a number of ways. • Hormonal substances, such as thyroid （ 甲 状 腺 ） extract, insulin, and pituitary（脑垂体）hormone obtained from the endocrine glands of cattle, sheep, and swine. • The use of animals in the production of various biologic products, including serums, antitoxins, and vaccines
New vaccines for diseases as aids and cancer are being developed through the use of cell and tissue cultures A new era in the development of pharmaceutical products comes forth as a result of the advent of genetic engineering, the manipulation of the double helix, the spiral dna chain of life (药物产品发展的新时代到来由于基因工 生命DNA链的双螺旋操作的出现。)
• New vaccines for diseases as AIDS and cancer are being developed through the use of cell and tissue cultures. • A new era in the development of pharmaceutical products comes forth as a result of the advent of genetic engineering, the manipulation of the double helix, the spiral DNA chain of life. （药物产品发展的新时代到来由于基因工 程，生命DNA链的双螺旋操作的出现。）