Assertion: semen | /r/MadeOf | zinc
Facets:
Source sentences:
text: Semen contains citric acid, free amino acids, fructose, enzymes, phosphorylcholine, prostaglandin, potassium, and zinc.
text: Semen does contain protein, but it also contains all kinds of chemicals and minerals, including water, sugar, calcium, chlorine, magnesium, nitrogen, vitamin B12, and zinc.
text: Semen in itself is harmless but it contains components such as citric acid, fructose, zinc and enzymes that will irritate your sensitive eye tissue.