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冬季超級食物!「這食物」含豐富花青素 專家:抗氧化兼顧血糖

鏡週刊
2025/12/05 | 1分鐘閱讀

隨著氣溫逐漸轉涼,不少民眾開始尋找更健康、能增加飽足感的季節食材,其中色澤鮮豔的紫薯近年受到愈來愈多人關注。食安專家楊世煒在臉書粉絲專頁「韋恩的食農生活」指出,紫薯不僅營養價值高,也是一項適合日常替代主食的「超級食物」。

他表示,紫薯富含花青素與膳食纖維,不僅兼具抗氧化效果,也對血糖較為友善,適合在冬季作為溫和甜味又高飽足感的主食選擇。

紫薯4大主要功效
  1. 強抗氧化能力:紫薯含豐富花青素,有助降低慢性發炎與細胞氧化壓力。
  2. 高膳食纖維:纖維含量高,可延緩血糖上升,並提升飽足感。
  3. 促進腸道健康:多種益生質有助益菌生長,改善排便規律。
  4. 低熱量密度:相較於許多主食熱量更低,是體重管理期間的良好替代選擇。

楊世煒提醒,由於紫薯本身甜味自然、營養密度高,加上熱量不高,同時兼具抗氧化和控血糖,是寒冬中既能暖胃又能補充營養的食材,建議民眾可適量加入日常飲食中。

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