Inclusion Criteria:  Age more than 18 years World Health Organization Oral Mucositis Grading Scale =0 No using artificial salivary or activated salivary medicine more than 2 weeks No cumin, ginger, xylitol, glycerin allergy Have a willingness to participate in the study  Exclusion Criteria:  Uncontrolled disease Dry mouth Salivary gland disease, inflammation, or sialolith Pregnancy or lactation During participated in other study