期刊
JOURNAL OF ALTERNATIVE AND COMPLEMENTARY MEDICINE
卷 8, 期 3, 页码 325-332出版社
MARY ANN LIEBERT INC PUBL
DOI: 10.1089/10755530260128014
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Objectives: Grapefruit-seed extract (GSE(R)) Citricidal(R) has, in recent reports, been reported to be successful in combating a variety of common infectious agents. In our study, drops of concentrated grapefruit-seed extract were tested for antibacterial properties against a number of gram-positive and gram-negative organisms. Design: Sixty-seven (67) distinct biotypes were tested for their susceptibilities to the GSE as well as to 5 other topical antibacterials (Silvadene,(R) Sulfamylon,(R) Bactroban,(R) Nitrofurazone,(R) and Silvadene,(R) Nystatin). Wells were punched into Mueller-Hinton agar plates, which were then inoculated with the organism to be tested; each well was then inoculated with one of the antibacterial agents. After an overnight incubation period, the plates were checked for zones of bacterial susceptibility around the individual wells, with a measured susceptibility zone diameter of 10 mm. or more considered a positive result. Results: The GSE was consistently antibacterial against all of the biotypes tested, with susceptibility zone diameters equal to or greater than 15 mm in each case. Conclusions: Our preliminary data thus suggest an antibacterial characteristic to GSE that is comparable to that of proven topical antibacterials. Although the GSE appeared to have a somewhat greater inhibitory effect on gram-positive organisms than on gram-negative organisms, its comparative effectiveness against a wide range of bacterial biotypes is significant.
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