Buffering Capacity of Matcha Green Tea on Salivary PH After an Acidic Attack

"* Hot matcha brew will be prepared in usucha (thin consistency) version-2 grams of matcha powder (Dr.Baby) mixed with 30 mL of hot water (75 ̊C). The first step will be to massage the matcha powder with a small amount of water until a smooth paste forms, then additional 50 mL of hot water will be added to dilute down the concentration. The matcha will then be vigorously shaken in a lidded jar.~* After 5 minutes of the acidic attack, participants will be instructed to swish 25 mL of matcha tea 34 times then swallow, and saliva samples will be collected (T2).~* Then saliva will be collected after 10 (T3), 20 (T4), 30 (T5), and 40 (T6) minutes."

Water (elano) at 13 ̊C swished 34 times then swallowed.

25 mL of cold matcha brew prepared in usucha (thin consistency) version-2 grams of matcha powder (Dr.Baby) mixed with 80 mL of cold water (13 ̊C) swished 34 times then swallowed.