例句與造句

1. Hypericin and pseudohypericin have shown both antiviral and antibacterial activities.
2. Such compounds include : oligomeric procyanidines, flavonoids ( quercetin ), hypericin, and pseudohypericin.
3. The naphthodianthrones hypericin and pseudohypericin along with the phloroglucinol derivative hyperforin are thought to be among the numerous active constituents.
4. For years, researchers assumed that the key active ingredients are hypericin and pseudohypericin, but these chemicals do not seem to cross the blood-brain barrier, a membrane that protects the brain.
5. Hyperforin ( along with adhyperforin ) is believed to be one of the three chief active constituents of St . John's wort-the other two being hypericin ( along with pseudohypericin ) and several flavonoid constituents.
6. It's difficult to find pseudohypericin in a sentence. 用pseudohypericin造句挺難的