Glycyrrhizin an increase in blood pressure, may cause irregular heart rhythm, and adverse interactions with prescription medicines. The effects on body fluids are related to the inhibition of cortisol metabolism within the kidney, subsequent stimulation of the mineralocorticoid receptors, and decrease in blood levels of renin, potassium, and aldosterone, which collectively lead to increases in blood pressure. Depending on amount and frequency of ingesting black licorice, other side effects may include: Glycyrrhizin is under laboratory and preliminary clinical research for its possible activity against common viruses, such as hepatitis C. In vitro, glycyrrhizin inhibits the enzyme 11β-hydroxysteroid dehydrogenase. After oral ingestion,
Phyllostegia glabra perhaps in rugged habitat that has not been surveyed recently. Phyllostegia glabra Phyllostegia glabra is a species of flowering plant in the mint family known by the common name ulihi phyllostegia. It is endemic to Hawaii. One variety of this species, var. "lanaiensis", is federally listed as an endangered species of the United States. It is a perennial herb with reddish or red-veined green leaves and white or white-tinged flowers. It differs from the variety "glabra" in the size of its sepals and leaves. The rare variety "lanaiensis" has not been seen since a single specimen was recorded on Lanai