The crude protein was obtained by extracting the leaves of Blechnum orientale with PBS and precipitating with (NH 4) 2SO 4. The crude protein was purified by Sephadex G-100 filtration after treatment through active carbon column.是什么意思_The crude protein was obtained by extracting the leaves of Blechnum orientale with PBS and precipitating with (NH 4) 2SO 4. The crude protein was purified by Sephadex G-100 filtration after treatment through active carbon column.在线翻译_英语_读音_用法_例句