To improve the shelf-life of Centella asiatica, Centella asiatica was treated with gel packs containing slow-released chlorine dioxide (ClO2) gas at 3-5 ppm for 20 days at 4℃. The weight loss rate, as well as the changes in pH, color, and texture of the treated samples, were investigated. The weight of the control and ClO2 gas-treated samples was decreased during the storage period. The change in weight of the control was slightly faster than that of the samples treated with 3 and 4 ppm ClO2 gas. The pH of the control and the ClO2 gas treated samples were decreased during the storage period and there was no significant difference between the control and ClO2 gas treated samples. Concerning color (lightness, redness, and yellowness) changes of Centella asiatica during the storage period, there was no significant difference between the control and ClO2 gas treated samples. The change in shear force in the leaf and stem of Centella asiatica during the storage period was slightly lower in the 4 ppm ClO2 gas treated samples (in the leaf) compared to the control and 3 and 4 ppm ClO2 gas treated samples (in the stem) compared to the control and 5 ppm ClO2 gas treated sample.

Abstract
서 론
재료 및 방법
    1. 재료
    2. 이산화염소 가스 처리
    3. 중량 변화
    4. pH 변화
    5. 색도 변화
    6. 전단력 변화
    7. 통계처리
결과 및 고찰
    1. 중량 변화
    2. pH 변화
    3. 색도 변화
    4. 전단력의 변화
요약 및 결론
References

• 이경행(한국교통대학교 식품영양학 전공 교수) | Kyung-Haeng Lee (Professor, Major in Food and Nutrition, Korea National University of Transportation, Jeungpyeong 27909, Korea) Corresponding author
• 유광원(한국교통대학교 식품영양학 전공 교수) | Kwang-Won Yu (Professor, Major in Food and Nutrition, Korea National University of Transportation, Jeungpyeong 27909, Korea)
• 배윤정(한국교통대학교 식품영양학 전공 부교수) | Yun-Jung Bae (Associate Professor, Major in Food and Nutrition, Korea National University of Transportation, Jeungpyeong 27909, Korea)
• 한기정(한국교통대학교 식품영양학 전공 학부생) | Ki-Jung Han (Student, Dept. of Food and Nutrition, Korea National University of Transportation, Jeungpyeong 27909, Korea)
• 장다빈(한국교통대학교 식품영양학 전공 학부생) | Da-Bin Jang (Student, Dept. of Food and Nutrition, Korea National University of Transportation, Jeungpyeong 27909, Korea)