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KMID : 1147820190080020071
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Journal of Naturopathy
2019 Volume.8 No. 2 p.71 ~ p.77
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A Study on Far-infrared Radiation and Proliferation of Ocherous Cotton Quilt Fabrics
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Lee Ku-Yeon
Lee Hyung-Hoan
Hahm Suk-Chan
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Abstract
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Purpose: The purpose of this study was to investigate the far-infrared emissivity of patented ocher quilt cot￢ton fabrics and to investigate the microorganisms that survived the washing of cotton fabrics up to 20 times.
Methods: A 16S rRNA assay was performed using a far-infrared radiometer and a single colony in which microorganisms grew in nutri￢ent media.
Results: The far-infrared emissivity of ocher quilt was 0.902 (90.2%) at 5~20 μm at 40℃, and the radiation energy was 3.63 × 102 w/㎡. The number of viable cells was 2.0 × 102 cells/ml in ocher duvet cotton fabric, and no viable bacteria found in regular cotton fabric. The base sequence of 16S rRNA of B-2 strain isolated into single colonies was 1,419 bases, and the base sequence of strain A-4 was 1,284 bases. The base sequence of 16S rRNA of these two strains showed high homology with Bacillus spp. The B-2 bacteria showed high homology with 99.0% of the 16S rRNA sequence of B. aryabhattai EF114313 and 99.0% of the A-4 bacteria of B. bingmayongensis AKCS01000011. Conse￢quently the colony strain B-2 finally identified as B. aryabhattai BJ-2 and A-4 as B. bingmayongensis BJ-4 strain.
Concusions: Soil Bacillus strains survived in ocher quilt cotton fabric after 20 washing. The material can be useful because quilt cotton fabric emits a large amount of far-infrared and far-infrared radiation energy.
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KEYWORD
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Ocher quilt cotton. Bacillus aryabhattai, Bacillus bingmayongensis, far-infrared, 16S rRNA
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