Gastric cancer (GC) is considered the 3rd most lethal cancer among cancer, followed by lung and colorectal cancer. The GC cases are increasing gradually, with an escalation rate of 5.7% approximately documented only in 2019. According to the record of 2015, the majority of the new cases, nearly 50% of patients were diagnosed in South and Central America, Eastern Europe, and East Asia. In comparison, North America, Africa, South Asia, Australia, and New Zealand found significantly fewer cases. Mushrooms have a long history to be used as a medicine and food source, believed a delicious and...