Group 1 - In the first half of the year, a total of 181,000 food-related illegal cases were investigated, resulting in fines and confiscations amounting to 740 million yuan, with 653 cases referred to judicial authorities [1] - The "Chongqing Munibolang Brewery illegal additive case" was highlighted, where a beer product was found to contain O-Propyl Vardenafil, a substance similar to the prescription drug Viagra, which is prohibited in food products [1] - The involved company, Munibolang Brewery (Chongqing) Co., Ltd., sold 67 boxes of the contaminated beer, leading to an administrative penalty of 150,000 yuan and referral of criminal responsibility to law enforcement [1] Group 2 - There have been multiple cases of illegal addition of O-Propyl Vardenafil in recent years, including a case in Hubei where a defendant produced and sold toxic food products containing the banned substance [2] - In July, a case in Xinjiang involved the production and sale of toxic beverages, resulting in the seizure of over 800 boxes of drinks containing prohibited ingredients and an estimated value of over 19 million yuan [2] - A criminal gang led by a person named Mai was found to have repeatedly added Vardenafil derivatives to beverages, leading to prison sentences ranging from 5 to 11 years for the main offenders [3]