Objective:To study the influence of such chemical agents as acid, CO2 food sweetening agent and carboxymethyl cellulose (CMC) on the stability of the pigment of Solanum Nigrum.

• 目的：研究酸、二氧化碳、甜味剂、羧甲基纤维素等化学因素对龙葵色素稳定性影响。