Journal of the Korean Home Economics Association 2005;43(3):119-129.
감즙과 감즙염색 면직물의 항균성
the Antibacterial Activities of Persimmon Juice and Persimmon Juice Dyed Cotton Fabrics
Youngsook Han
Shinsung Girls' Highschool, Jeju
ABSTRACT
The antibacterial activities against Staphylococcus aureus of persimmon juice and persimmon juice dyed cotton fabrics were eveluated. We investigated the effects in pursuit of the proper treating conditions to use persimmon juice dye for comfortable and hygienic doffing. The antibacterial activities were estimated by test method KS K 0693 and the percentage reduction of bacteria at various contact conditions of test materials and bacteria. The results were as follows. no bacteriostatic activities (BS) of persimmon Juice were more than 99.98% and the increase was dose-dependent according to concentration from 1% to 10%. However, bactericidal activities (BC) were not found BS increased from 99.97% to 100% and BC from 79.74% to 100% with increasing persimmon juice concentration of cotton fabrics from 10% to 100%. Antibacterial effects were significantly shown at 10% of persimmon juices. BS increased from 75.69% to 100% and BC from 65.89% to 100% over 18 hours of contact time and continued for 50 hours. BS of 100% persimmon juice dyed cotton fabrics increased from 96.56% to 98.20% and BC from -136% to 65% at different incubation temperatures of 17±1℃, 27±1℃ and 37±1℃. BS ranged from 99.06% to 99.99% and BC from 84.31% to 95.10%, according to the initial bacterial density from 4.08×107 to 4.08×105. Sixty-seven percent of subjects of answered not to smell any odor from persimmon juice dyed cotton fabrics by subjective test.
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