Abstract
This study was aimed to analyze chemical components of essential oil from whole fruits of Citrus unshiu and its fragrance and to investigate its bio-functions as a skin-health finishing agent to textiles. The components of oil and fragrance were respectively determined by using both FT-IR and GC-MS. As for bioactive properties, the skin irritancy from oil was assessed by Kawai’s method and antimicrobial activity was evaluated by MIC (minimum inhibitory concentration). As results, major component of the citrus oil was identified as D1-limonene which also constituted most of its fragrance. Any skin reaction was not found by Kawai’s method, which means that the citrus oil does not cause irritancy on human skin. As for microbial activity against S. aureus, K. pneumoniae, and P. acnes, the lowest minimum inhibitory concentrations were 0.50 mg/ml, 0.28 mg/ml, and 0.23 mg/ml, respectively. These results suggest that Citrus unshiu’s essential oil could be utilized as a bioactive natural finishing agent for skin-healthcare textiles.
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