20857
Hinokitiol inhibited the phosphorylation of phospholipase C ( PLC ) gamma 2 , protein kinase C ( PKC ) , mitogen - activated protein kinases ( MAPKs ) , and Akt in collagen - activated human platelets , and significantly reduced intracellular calcium mobilization and hydroxyl radical ( OH ) formation .
 Hinokitiol, calcium, hydroxyl, OH
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Hinokitiol, calcium, hydroxyl, OH