Clinical and investigative medicine. Medecine clinique et experimentale · 1993
Digoxin-like factors in herbal teas.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Longerich L, Johnson E, Gault M H
Аннотация
Forty-six commercially packaged teas and 78 teas prepared from purchased herbs were assayed for digoxin-like factors (DLF) by their crossreactivity with digoxin antibody (immuno-crossreactive DLF) and by their inhibition of ouabain binding to membrane Na,K-ATPase (NKA inhibitory DLF). Three packaged teas and 3 herbs gave NKA inhibitory DLF values > 30 micrograms digoxin equivalents/cup. Two packaged teas and 3 herbs gave immuno-crossreactive DLF values > .050 micrograms digoxin equivalent/cup. One herb, pleurisy root, had a crossreactive DLF value of 187 micrograms/cup and NKA inhibitory DLF equivalent to 3658 micrograms/cup. Plasma digoxin-like factors were measured after ingestion of the 3 commercially packaged herbal teas with highest values for NKA inhibitory DLF. After ingestion of each of the 3 teas, plasma NKA inhibitory DLF increase, in one case more than 100-fold. Two teas produced a measurable increase in plasma immuno-crossreactive DLF after ingestion. Some digoxin-like factors in human plasma may have a dietary source.