Methylcellulose is a natural polymer that gels on heating.?Methylcellulose is not toxic.

Senkyunolide N exhibits prostaglandin H endoperoxide synthase-I (COX-I) and endoperoxide synthase-II (COX-II)) Inhibitory activity at pH 7 and at a concentration of 250 pg ml(-1) .

4'',5''-Dehydroisopsoralidin is a β-glucuronidase inhibitor (IC50: 6.3 μM). 4'',5''-Dehydroisopsoralidin has anti-inflammatory and anti-oxidative effects. 4'',5''-Dehydroisopsoralidin can be used in the research of inflammation and cancners.