id	keyword
cet-14739	antioxidant
cet-14739	dpph
cet-14739	extraction
cet-14739	frap
cet-14739	solvent
cet-14739	tfc
cet-14739	purslane
cet-14739	activity
cet-14739	tpc
cet-14739	compounds
cet-14739	methanol