1548
Cellular reactive oxygen species production induced by tBHP was attenuated by pretreatment with chrysin , apigenin , and luteolin ( P < . 05 ) , and this protection was reversed by the GCL inhibitor l - buthionine - S - sulfoximine and the HO - 1 inhibitor zinc protoporphyrin .
 Chemical: oxygen; Chemical: tBHP; Chemical: chrysin; Chemical: apigenin; Chemical: luteolin; Chemical: l - buthionine - S - sulfoximine; Chemical: zinc protoporphyrin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: oxygen; Chemical: tBHP; Chemical: chrysin; Chemical: apigenin; Chemical: luteolin; Chemical: l - buthionine - S - sulfoximine; Chemical: zinc protoporphyrin