TY - GEN AU - Xia,Wei AU - Chen,Xinzhi TI - [Isolation of beta-carotene from discarded tobacco leaves] SN - 1000-8713 PY - 2005///0913 KW - Chromatography, High Pressure Liquid KW - Plant Leaves KW - chemistry KW - Nicotiana KW - beta Carotene KW - analysis N1 - Publication Type: English Abstract; Journal Article ER -