As per the study published in the Journal Frontiers in Microbiology in 2019, the seeds of an apple contain healthy bacteria, which is mostly neglected by people. A whole apple (including the core) contains approximately 100 million bacteria. Out of which the flesh alone contains 10 million.
The research suggests that the bacteria found in apples are quite healthy and are an important source of gut microbes. Having a healthy gut microbiota is considered good for your overall health and protects you from disease-causing foreign pathogens. Apple seeds also contain protein, fiber and oils. It is rich in antioxidants and anti-cancer compounds.