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高麗菜內葉要洗嗎?營養師給答案:關鍵在吃法 做錯維生素C全流失

鏡週刊
2025/09/12 | 1分鐘閱讀

高麗菜內層葉片被包裹在裡面,看起來非常乾淨,是否需要清洗一直存在爭論。農民認為,因內葉被層層包覆,不易接觸灰塵與農藥,其實不必特別再洗;不過,多數消費者仍傾向沖洗後才安心食用。對此,營養師陳珮淳指出,是否清洗的關鍵在於吃法。

營養師陳珮淳在粉專「熊抱營養師|珮淳」發文表示,是否清洗內層葉片需依料理方式而定。外層葉因最容易殘留農藥與灰塵,必須清洗;內層葉若要生食(如沙拉、涼拌),也建議簡單沖洗,以確保食安。她提醒,若未洗乾淨,只能透過「久煮」來確保殺菌,但這會導致維生素C流失。相較之下,快速沖洗再以快炒、快燙處理,既能安全食用,也能最大程度保留營養。

事實上,高麗菜營養價值高,一碗高麗菜絲的維生素C含量甚至超過一顆小橘子;膳食纖維則有助維持腸道順暢;其中的植化素可協助身體代謝;葉酸則是造血關鍵營養素;鉀能幫助排鈉、減少水腫;維生素K則能強化骨骼。

在料理上,營養師陳珮淳也提供搭配建議,快炒搭橄欖油可減少營養流失;涼拌加檸檬汁能增添清爽並提升維生素C;與紅蘿蔔或堅果搭配則能補充植化素與好油;熬湯時維生素C雖受熱分解,但會溶入湯裡,建議「菜湯一起喝」避免浪費。

她強調,聰明洗菜加上聰明料理,才能真正吃進高麗菜的完整營養。

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