## Abstract In a search for cancer chemopreventive agents from natural sources, four lupane‐type and seven oleanane‐type triterpenoids, and ten synthetic analogs were screened as potential anti‐tumor promoters by using the __in vitro__ short‐term 12‐__O__‐tetradecanoylphorbol‐13‐acetate (TPA)‐induc
✦ LIBER ✦
New Cytotoxic Oleanane-Type Triterpenoids from the Cones of Liquidamber styraciflua
✍ Scribed by Sakai, Kuniyoshi; Fukuda, Yuko; Matsunaga, Shunyo; Tanaka, Reiko; Yamori, Takao
- Book ID
- 126795839
- Publisher
- American Chemical Society
- Year
- 2004
- Tongue
- English
- Weight
- 99 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0163-3864
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## Abstract In search for cancer chemopreventive agents from natural sources, three oleanane‐ and four known lupane‐type triterpenoids, and sitosterol from the stem bark of __Betula ermanii__ were tested for their inhibitory effects on __Epstein__–__Barr__ virus early antigen (EBV‐EA) activation in