Zhang Qian was known for bringing grapes and alfalfa into China from the area around modern-day Uzbekistan, and Ban Chao made a similar contribution by introducing coriander and onions from regions to the west of the towering Pamir and Karakoram mountain ranges that mark the western border of modern-day China.
繼張騫從大宛帶回葡萄、苜蓿，蔥嶺以西的土產胡荽（芫荽）、紫蔥（洋蔥），也在班超出使後陸續傳入中國。