味精, 谷氨酸钠
monosodium glutamate: a white crystalline substance derived from glutamic acid, used as a food additive and flavor enhancer
示例:
• Some people are sensitive to MSG and experience symptoms like headaches. 有些人对味精敏感，会出现头痛等症状。 • Many Asian dishes contain MSG to enhance their savory flavor. 许多亚洲菜肴都含有味精以增强其鲜味。