Assertion: thymol's effect | /r/HasProperty | demonstrated by several authors
Facets:
Source sentences:
text: Recently the in vitro protoscolicidal effect of essential oil of Rosmarinus officinalis (rosemary), thymol (principal component of essential oils extracted from Origanum vulgare and Thymus vulgare), essential oil and extract of Pistacia khinjuk, and essential oil of Mentha spp. has been demonstrated by several authors .
text: On the other hand, the antibacterial effect of menthol (isomenthol’s isomer) was demonstrated by several authors .