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【證據不足】網傳「吃鳳梨會割舌頭,因為有針狀的草酸鈣細針」?
1 year ago
56
【報告將隨時更新 2023/6/9版】 台灣媒體引述一段TikTok影片,宣稱「科學家」指出,吃鳳梨會咬舌頭是因為有細針。 專家說明如下: 一、專家協助檢視影片,影片是電子顯微鏡觀察到的鳳梨草酸鈣針狀結晶,但影像未解釋比例且有嚇人的視覺效果,實際上「針狀結晶」小到無法以肉眼辨識;而草酸鈣結晶也不是鳳梨獨有,多種蔬果均含有草酸鈣結晶,食用時卻無明顯刺痛感。 二、專家分析,鳳梨刮舌頭的原因有多種說法,目前最主流說是鳳梨含有鳳梨酵素,鳳梨酵素會分解口腔黏膜的蛋白質造成刺激感,草酸鈣針狀結晶可能會讓刺激感加乘,但並非刮舌的主要因素。 三、專家表示,當鳳梨加熱、泡鹽水或經品種改良,降低鳳梨酵素活性時,鳳梨就不會刮舌,也可推斷鳳梨酵素應是刮舌的主要原因。 四、查核中心檢視網傳影片,影片未自稱為科學家,影片呈現也不科學,但媒體報導卻冠名為科學家,缺乏驗證。 媒體引述傳言影片訊息且冠名科學家,均缺乏驗證。其中,傳言影片宣稱鳳梨刮舌是因為針狀結晶,但其影片呈現方式並不科學,且目前對鳳梨刮舌的主流看法是鳳梨酵素影響,傳言的說法片面且缺乏足夠證據。
事實查核報告
證據不足
科學研究
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【證據不足】網傳「吃鳳梨會割舌頭,因為有針狀的草酸鈣細針」?
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