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#天然果蠟
NOW健康
藍莓表面白色粉末沒洗乾淨?天然「果粉」防菌保鮮 過度搓洗恐流失花青素
【NOW健康 辰蘊如/嘉義報導】市面上的藍莓表面總有一層白色霧狀物,許多人誤以為是農藥殘留或人工打蠟,拿起菜瓜布用力刷洗,甚至用鹽水、小蘇打或清潔劑浸泡,深怕洗不乾淨。根據衛福部食藥署邊境查驗統計,進口藍莓確實曾多次檢出農藥殘留超標,其中氟派瑞、布芬淨(殺蟲劑)等農藥依規定不得檢出,讓消費者格外警覺。天然果蠟是新鮮指標 破壞果皮得不償失藍莓表面的白色粉末稱為「果粉」,是植物自然分泌的蠟質,主要成分包括三萜類和長鏈脂肪酸,能形成保護層防止細菌黴菌入侵,也能減緩水分散失。嘉義大林慈濟醫院腫瘤中心賴思吟營養師指出,那層白粉其實是藍莓的天然保護層,過度清洗不但無助去除農藥,還會讓珍貴的營養成分大量流失。賴思吟營養師提醒這層果粉富含花青素等抗氧化物質,越新鮮的藍莓果粉越明顯,購買可選擇有CAS、有機、產銷履歷的藍莓較有品質。使用小蘇打、醋或清潔劑清洗,不但無法有效去除農藥,還可能破壞果皮完整性,讓表面的污染物質有機會進入果實;過度搓洗會讓果粉中的花青素和營養素大量流失,原本想吃得健康卻反而事倍功半。三分鐘浸泡加流動水 簡單清洗法最有效食藥署建議的正確清洗方式其實很簡單:將藍莓放入清水中浸泡約3分鐘,讓水溶性農藥溶解在水中,接著用流動清水輕柔沖洗即可,重點在於利用水流帶走表面殘留,而非用力搓揉。賴思吟營養師建議使用乾淨的流動水清洗,避免使用化學清潔劑。已經受損或發霉的藍莓應整顆丟棄,因為可能有肉眼看不到的細菌污染。清洗後的藍莓建議儘快食用,若要保存應先擦乾再冷藏並十天內吃完,才能同時確保食安和營養。# 首圖來源/Freepik更多NOW健康報導▸認識多發性骨髓瘤!醫:早期發現早期治療 長期存活新希望▸乾癬非單純皮膚病恐釀關節變形 早期介入治療精準穩控NOW健康:FB │ IG │ Threads │ YT │ 官方LINE │ 醫級邦 │ 健康安妞 Podcast❤溫馨提醒:歡迎轉傳「原始文章連結」分享,未經授權,請勿複製圖文轉貼本文。
2025/12/23
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