Ultrasonic Cleaner를 이용한 과일의 잔류농약 제거율을 알아보기 위해 사과를 유기 인계농약 3종(Fenitrothion, Chloropyrifos, Phenthoate)에 침지하여 물, 30% Ethanol, 0.2% Trio 를 세척용매로 하여 초음파 처리 시간별로 잔류농약 제거율을 조사한 결과는 다음과 같다. 물을 세척용매로 사용하여 초음파 ...
Ultrasonic Cleaner를 이용한 과일의 잔류농약 제거율을 알아보기 위해 사과를 유기 인계농약 3종(Fenitrothion, Chloropyrifos, Phenthoate)에 침지하여 물, 30% Ethanol, 0.2% Trio 를 세척용매로 하여 초음파 처리 시간별로 잔류농약 제거율을 조사한 결과는 다음과 같다. 물을 세척용매로 사용하여 초음파 처리했을때의 잔류농약 제거율은 초기 30초대에서 Fenitrothion 39.2%, Chloropyrifos 32.0%, Phenthoate 50.4% 이었으나, 초음파 세척시간이 증가하여도 잔류농약 제거율은 감소하는 경향을 나타내었다. Trio 를 세척용매로 사용하였을때의 잔류농약 제거율은 5분대에서 Fenitrothion 33.5%, Chloropyrifos 30.1%, Phenthoate 48.3% 이었으며, 30% Ethanol의 경우는 Fenitrothion이 15분대에서 66.2 %, Chloropyrifos, Phenthoate 는 10분대에서 각각 41.7%, 74.2% 로 3가지 세척용매 중에서 가장 우수한 것으로 나타났다. 결과적으로 30% Ethanol을 용매로 하여 10-15분간 Ultra sonic으로 세척하는 것이 가장 안전한 세척방법이라고 하겠다.
Ultrasonic Cleaner를 이용한 과일의 잔류농약 제거율을 알아보기 위해 사과를 유기 인계농약 3종(Fenitrothion, Chloropyrifos, Phenthoate)에 침지하여 물, 30% Ethanol, 0.2% Trio 를 세척용매로 하여 초음파 처리 시간별로 잔류농약 제거율을 조사한 결과는 다음과 같다. 물을 세척용매로 사용하여 초음파 처리했을때의 잔류농약 제거율은 초기 30초대에서 Fenitrothion 39.2%, Chloropyrifos 32.0%, Phenthoate 50.4% 이었으나, 초음파 세척시간이 증가하여도 잔류농약 제거율은 감소하는 경향을 나타내었다. Trio 를 세척용매로 사용하였을때의 잔류농약 제거율은 5분대에서 Fenitrothion 33.5%, Chloropyrifos 30.1%, Phenthoate 48.3% 이었으며, 30% Ethanol의 경우는 Fenitrothion이 15분대에서 66.2 %, Chloropyrifos, Phenthoate 는 10분대에서 각각 41.7%, 74.2% 로 3가지 세척용매 중에서 가장 우수한 것으로 나타났다. 결과적으로 30% Ethanol을 용매로 하여 10-15분간 Ultra sonic으로 세척하는 것이 가장 안전한 세척방법이라고 하겠다.
In order to determine the removal efficiency of pesticide residues in apple by ultra sonic cleaner, they were artificially treated with fenitrothion, chloropyrifos and phenthoate, and they were washed by the ultra sonic cleaner in the water, 30% ethanol and detergent solution(0.2% Trio solution) the...
In order to determine the removal efficiency of pesticide residues in apple by ultra sonic cleaner, they were artificially treated with fenitrothion, chloropyrifos and phenthoate, and they were washed by the ultra sonic cleaner in the water, 30% ethanol and detergent solution(0.2% Trio solution) the treatment ultra sonic cleaner for 0.5min in water removed 39.2% of fentrothion, 32% chloropyrifos and 50.4% phenthoate, respectively, however the removal efficiency was known to decrease greatly by longer treatment than 0.5min. 5min treatment in detergent solution was resulted that 33.5% of fenitrothion, 30.1 % of chloropyrifos and 48.3% of phenthoate were removed. However it's appeared that the longer the treatment in 30% ethanol solution the more pesticides from apples were removed. 64.7% of fenitrothion was removed by time of 15min. treatment, wereas 41.7% of chloropyrifos and 74.2% of phenthoate were removed for l0min. treatment in 20% ethanol solution.
In order to determine the removal efficiency of pesticide residues in apple by ultra sonic cleaner, they were artificially treated with fenitrothion, chloropyrifos and phenthoate, and they were washed by the ultra sonic cleaner in the water, 30% ethanol and detergent solution(0.2% Trio solution) the treatment ultra sonic cleaner for 0.5min in water removed 39.2% of fentrothion, 32% chloropyrifos and 50.4% phenthoate, respectively, however the removal efficiency was known to decrease greatly by longer treatment than 0.5min. 5min treatment in detergent solution was resulted that 33.5% of fenitrothion, 30.1 % of chloropyrifos and 48.3% of phenthoate were removed. However it's appeared that the longer the treatment in 30% ethanol solution the more pesticides from apples were removed. 64.7% of fenitrothion was removed by time of 15min. treatment, wereas 41.7% of chloropyrifos and 74.2% of phenthoate were removed for l0min. treatment in 20% ethanol solution.
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