09/10/2026
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【誰說不重要?膳食纖維有益整體健康!🌾】
近日有人於電視節目中聲稱「人類不需要纖維」,其後被 #通訊局 裁定內容具誤導性。
其實,膳食纖維不只是幫助排便,更與腸道健康、體重管理、血糖穩定及心血管健康息息相關。今日香港營養師協會帶你快速拆解!
💡 甚麼是膳食纖維?
膳食纖維是植物性食物中,人體無法完全消化或吸收的部分,主要來自水果、蔬菜、全穀類、豆類、堅果及種子。
主要分為兩類:
水溶性纖維 :有助延緩消化、穩定血糖及降低 LDL「壞」膽固醇。
非水溶性纖維 :有助增加糞便體積、促進腸道蠕動,幫助預防或紓緩便秘。
📊 每日要食幾多?
成人一般建議每日攝取約 25–30 克或以上膳食纖維。亦可參考每攝取 1,000 千卡熱量,約需 14 克膳食纖維;換言之,日常能量需要越高,纖維需要量亦會相應增加。
不過,大部分人日常纖維攝取量都未必足夠,建議由少至多、逐步增加。
🥦 高纖食物例子
蔬菜:菜心、西蘭花、菠菜、秋葵
水果:奇異果、蘋果、梨、橙、藍莓
全穀類:燕麥、糙米、紅米、全麥麵包
豆類:紅豆、綠豆、鷹嘴豆、黑豆、枝豆
堅果及種子:奇亞籽、南瓜籽、杏仁、核桃
✨ 膳食纖維的好處
✅ 預防及紓緩便秘
✅ 支持腸道健康及益菌生長
✅ 增加飽腹感,幫助體重管理
✅ 有助降低 LDL「壞」膽固醇
✅ 幫助穩定血糖
✅ 支持心血管及代謝健康
🍽️ 日常加「纖」貼士
早餐選燕麥或全麥麵包
主食加入糙米、紅米或藜麥
每餐加一份蔬菜
選原個水果,少飲果汁
小食選無鹽堅果或奇亞籽
⚠️ 營養師提醒
增加纖維要循序漸進,並配合足夠飲水,以免肚脹或腸胃不適。
如有腸胃疾病、曾接受腸胃手術,或需遵從低纖飲食,請先諮詢醫生或註冊營養師。
由今日開始,每餐加多一點高纖食物,為整體健康打好基礎!
#膳食纖維 #高纖飲食 #腸道健康 #註冊營養師
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【Who says it’s not important? Dietary fibre supports overall health! 🌾】
Recently, a TV programme claimed that “humans don’t need fibre,” which was later ruled misleading by the Communications Authority.
Dietary fibre does more than support bowel movement — it also helps gut health, weight management, blood sugar control, and heart health.
💡 What is dietary fibre?
Dietary fibre is the part of plant foods that the body cannot fully digest or absorb. It mainly comes from fruits, vegetables, whole grains, legumes, nuts, and seeds.
Two main types:
Soluble fibre
Helps slow digestion, stabilise blood sugar, and lower LDL “bad” cholesterol.
Insoluble fibre
Adds bulk to stool, supports bowel movement, and helps prevent constipation.
📊 How much do we need?
Adults are generally recommended to have 25–30 g or more per day — but most people don’t get enough.
🥦 High-fibre foods
Vegetables: choy sum, broccoli, spinach, okra
Fruits: kiwi, apple, pear, orange, blueberries
Whole grains: oats, brown rice, red rice, whole wheat bread
Legumes: red beans, mung beans, chickpeas, black beans, edamame
Nuts & seeds: chia seeds, pumpkin seeds, almonds, walnuts
✨ Benefits of dietary fibre
✅ Relieves constipation
✅ Supports gut health
✅ Increases fullness
✅ Helps lower LDL cholesterol
✅ Supports blood sugar control
✅ Promotes heart and met