A sugarcane-derived protein is powering a new artificial saliva that can shield teeth from acid and bacteria. Credit: Shutterstock A new type of artificial saliva, delivered as a mouthwash and made using a lab-modified sugarcane protein called CANECPI-5, could help protect the teeth of patients with head and neck cancer. These patients often undergo radiotherapy near the mouth, which can damage salivary glands and reduce saliva production. Because saliva plays a key role in controlling bacteria