100元一碗的面馆，被立案调查！后厨画面曝光，地面包浆、食材变质过期......

Core Viewpoint - The article highlights the regulatory actions taken by the Shanghai Xuhui District Market Supervision Bureau against a popular restaurant, "Mingcheng Yellow Fish Noodle Shop," due to serious hygiene violations and the use of expired food ingredients [1][3][5]. Group 1: Regulatory Actions - The Xuhui District Market Supervision Bureau conducted an enforcement inspection at the "Mingcheng Yellow Fish Noodle Shop," revealing a dirty kitchen environment and unclean food preparation areas [3]. - During the inspection, expired food items were discovered, including rotten tomatoes and expired tofu, leading to a formal investigation by the authorities [5][8]. - The restaurant has been placed on the Xuhui District's dining red and black list due to these violations [10]. Group 2: Financial Implications - According to relevant laws and regulations, the use of expired food materials can result in the confiscation of illegal gains, with fines ranging from 50,000 to 100,000 yuan for violations involving goods valued under 10,000 yuan [8].