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網路上流傳的洗農藥方法大整理!你的方法是對的嗎?

常常看到洗果蠟,洗農藥,洗蟲卵,網路上充斥的各種不同的說法,到底哪一種才可以真的清洗掉這些不好的東西呢?筆者這邊整理的目前網路上的說法,讓大家清楚的了解,這些方法的原理跟效果

常常看到洗果蠟,洗農藥,洗蟲卵,網路上充斥的各種不同的說法,到底哪一種才可以真的清洗掉這些不好的東西呢?筆者這邊整理的目前網路上的說法,讓大家清楚的了解,這些方法的原理跟效果。

第一點,鹽水可以洗農藥?

答:用鹽水洗菜主要作用是可以洗掉寄生蟲。不過若鹽的濃度不夠,寄生蟲不會死掉。而若鹽的濃度太高,會因為滲透壓的關係,把已經從菜上面沖到水中的農藥再度壓回蔬果的細胞裡面,反而增加蔬果農藥的比例。

第二點,小蘇打粉、醋可以洗農藥?

答:有說法指出小蘇打粉可以清洗農藥,最主要的原因是酸鹼中和的關係。農藥在相反酸鹼值的環境下降解(分解成自然元素)的速度會變快,這樣說起來好像小蘇打水可以快速清除酸性農藥,而醋則能快速清除鹼性農藥。但事實上,我們一般洗蔬果最多十幾分鐘,不可能降解所有的農藥,(需要完全降解至少需要一天的時間)效果其實不明顯,加上以醋清洗容易影響食物風味,另外使用到雜質較多的小蘇打粉,反而容易增加污染蔬果的機會。

第三點,洗米水可以洗農藥?

答:洗米水可以洗農藥,有些人會有認為澱粉酵素的部分有助於清洗農藥,但基本上,洗米水可能就殘留著農藥,而用殘留農藥的水清洗蔬果,無疑是越洗越髒。

第四點,浸泡洗菜比較乾淨?

答:浸泡可以使蔬果全面接觸到水,讓蔬果表面的農藥與髒污可以溶解,之後再沖水讓水把髒污農藥帶走,故浸泡對於清洗農藥是好的,但不能浸泡太久,超過30分鐘,可能使得溶解的髒污再次污染蔬果,以及蔬果本身的營養流失。如果要泡水的話,差不多五分鐘就夠了,建議還是使用流動的水,把農藥髒污給帶走。

第五點,蔬果清潔劑可以洗農藥?

答:相較之下,蔬果清潔劑洗滌的效果比上述好,但,要小心的就是清潔劑成分問題,若是石化添加的清潔劑,則有可能有殘留越洗越髒,吃下化學洗洗劑的風險。

常聽到農藥分成很多種,有接觸性系統性酸性鹼性水溶性、脂溶性,
每一種性都有不同的洗乾淨的方法,這邊整理的一下這些名詞

  • 接觸性,指的是在種植的過程中,農藥噴灑於蔬果表皮,使得害蟲不能侵害蔬果。
  • 系統性,指的是農藥透過與作物接觸後能在短時間內滲透進入植物組織中,並移行至植物各部位,進而殺死病原菌的藥劑。
  • 酸性跟鹼性,指的是農藥的酸鹼值。
  • 水溶性跟脂溶性,顧名思義指的是他們的內容質地。水溶性可以溶於水,被水帶走,而脂溶性則不溶於水。

這些不同的名詞,分別是不同狀況的形容,可能同一種農藥符合兩到三個名詞。可能既是接觸性也是酸性也是脂溶性的農藥。

我在查資料的時候,有看到關於茶葉擔心第一泡的問題,聲稱農藥幾乎都是脂溶性,並不會水溶,所以不用擔心第一泡喝到農藥。不過覺得這個說法實在太怪了。
另外請教了植病系的朋友,這個攸關農作物安全採收期,因為農藥也會隨著風吹日曬雨淋分解掉,這個部分取決於時間的長短,在規定的採收期內,相對安全無事,不過脂溶性農藥無法水溶也是真的。故如果我們買到提早採收的茶葉蔬果,其實水洗是沒有辦法的。

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如果說真的擔心上述的說法,其實最安全的狀態就是購買『有機蔬果』

全部上面都是買了毒物,再買解毒丹,怎麼樣都是挽救的做法。

不過有機蔬果也並不是這麼普遍,所以還是要了解這些清洗辦法。
另外要注意一點就是『假有機蔬果』,市面上有很多偽有機蔬果有被查出來,因為掛上有機身價就上升,所以有這種欺騙的行為,購買時也應該要特別注意,認明產地合格或者有標章認證較為安心。

 

 

參考來源:
天下雜誌:蔬果如何洗淨殘留農藥?安心享用
蔬果彩虹579:吃得更安心,減少農藥殘留
東森新聞:第一泡洗茶坊殘留
親子天下:正確洗菜清除篇
國家網路醫院:小蘇打清除農藥?
PCHome 網路新聞:毒物專家掃毒大公開
華人健康網:小蘇打加檸檬洗水果,醫:沒必要
早安健康:這樣洗超NG,四種你一定用過的東西,讓蔬果更危險
晨星健康養身網:清洗蔬果時,該用鹽還是小蘇打?
醫學百科:如何清洗蔬果農藥
康健:2大昭,幫蔬果卸農藥妝
蘋果新聞:洗米水切勿洗菜
農業知識網:農藥介紹
UDN新聞:系統性農藥的危害

 

 

作者: Chloe

淨毒五郎 Chef Clean創辦人,跟一般人一樣,喜歡懶懶得、喜歡旅遊、喜歡吃。分享我想要分享的內容,因為這就是我。勇於嘗試每一件你認為對的事!!

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