--- title: "味精對人體無害？　聽專家這麼說 - FoodNo1.com" description: "吃味精，有人會出現所謂的「中國餐館症候群」，但是又有很多婆婆媽媽喜歡用味精，覺得不加味精，菜餚就不夠味；到底味精對人體有何好處與壞處？有哪些人確實是要少吃呢？ 味精對人體的傷害並不..." url: "https://foodno1.com/foodno1dailyrecipes/dir/food-and-health/3245-2016-08-14-06-12-05.html" date: "2026-06-27T05:07:59+00:00" language: "zh-TW" --- # 味精對人體無害？ 聽專家這麼說 No.1 Admin [飲食健康](https://foodno1.com/foodno1dailyrecipes/dir/food-and-health.html) 2016年8月08日 點擊數: 1557 ![](https://foodno1.com/images/obhealthno1/2016-08/678bf85ff1.jpeg) 很多人都不愛吃味精，甚至有人會出現所謂的「中國餐館症候群」，但是又有很多婆婆媽媽喜歡用味精，覺得不加味精，菜餚就不夠味；到底味精對人體有何好處與壞處？有哪些人確實是要少吃呢？ #### 味精對人體的傷害並不大 吳家誠, 師大化學系教授, 表示，味精就是麩胺酸鈉，也稱為MSG，是一種麩胺酸的鈉鹽，麩胺酸又名麩酸，是一種胺基酸，但不是必須胺基酸，其實人體本身自然就會產生麩酸，流汗時電解質就有鈉，所以，絕大多數情況而言，味精對人體的傷害並不大。 #### 麩酸是一種神經傳導物質 嚴格來講，麩酸是人體所需要的物質，吳家誠教授表示，因為麩酸是一種神經傳導物質，全世界大約有百分之一的人在食用量過高時會產生敏感現象，因為神經傳導物質增加很多，而會有「中國餐廳症候群」，也就是會產生肩頸僵硬不舒服的感覺，但是一、二小時後會慢消失。 #### 鈉含量高對心血管疾病有壓力 吳家誠說，一餐味精用量達600毫克，就可能發生「中國餐廳症候群」；如果用餐時味精加太多，鈉含量會過高，對有心血管疾病的人會造成壓力，對血壓與腎臟也都不好，而有氣喘者也比教容易誘發氣喘。 #### 一餐吃超過600毫克味精就有問題 大致上而言，味精不是有害物質，吳家誠強調，不論歐美，味精都是可添加的物質，至於一天不可吃超過多少限量，則因種族不同而異，對味精敏感的人，通常一餐吃600毫克就有問題，三餐若是吃1800毫克就偏大；但是正常人承受到3000多毫克也不算量大。 #### 心血管疾病、中國餐廳症候群、氣喘者不宜吃多 值得注意的是，曾有動物實驗顯示，老鼠食用鹽巴致死劑量大約只要6公克，而食用味精的致死劑量則是要15公克；所以，對動物而言，味精不如鹽巴影響大。吳家誠教授則是提醒，雖然麩酸是身體中所需要，但也不要大量，而尤其是有高血壓、心血管疾病、中國餐廳症候群及氣喘病人，就不宜多吃。 ## Schema ```json { "@context": "https://schema.org", "@type": "Person", "@id": "https://foodno1.com/foodno1dailyrecipes/dir/food-and-health/3245-2016-08-14-06-12-05.html#person", "url": "https://foodno1.com", "description": "FoodNo1.com 創立於 1999 年，是全球領先的中華美食與健康生活資訊平台。專注於推廣「855 密碼」健康飲食、原創食譜、香料百科及食材知識，致力於結合傳統智慧與現代科技，為全球華人提供專業的廚藝與養生指南。 (English Version for SEO: Founded in 1999, FoodNo1.com is a leading global platform for Chinese cuisine and healthy living. We specialize in the "855 Code" diet, original recipes, herb & spice encyclopedia, and ingredient knowledge, blending traditional wisdom with modern technology to provide professional culinary and wellness guidance.)", "alternateName": "foodno1", "address": { "@type": "PostalAddress", "addressCountry": "CA", "addressLocality": "Toronto" }, "email": "FoodNo1.com@gmail.com", "image": "https://foodno1.com/images/fno1/fno1_quicklogo.jpg", "sameAs": [ "https://www.facebook.com/foodno1.com1999", "https://www.youtube.com/@Foodno1-veo" ] } ``` ```json { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "FoodNo1 主頁", "item": "https://foodno1.com" }, { "@type": "ListItem", "position": 2, "name": "每日"3 餸一湯"", "item": "https://foodno1.com/foodno1dailyrecipes.html" }, { "@type": "ListItem", "position": 3, "name": "食譜分類", "item": "https://foodno1.com/foodno1dailyrecipes/dir.html" }, { "@type": "ListItem", "position": 4, "name": "健康飲食", "item": "https://foodno1.com/foodno1dailyrecipes/dir/food-and-health.html" }, { "@type": "ListItem", "position": 5, "name": "味精對人體無害？　聽專家這麼說", "item": "https://foodno1.com/foodno1dailyrecipes/dir/food-and-health/3245-2016-08-14-06-12-05.html" } ] } ``` ```json { "@context": "https://schema.org", "@type": "Recipe", "name": "味精對人體無害？　聽專家這麼說", "image": "https://foodno1.com/", "description": "Meta Description", "prepTime": "PT15M", "cookTime": "PT10M", "totalTime": "PT25M", "keywords": "飲食, 食物, 食安, 味精, 麩胺酸鈉, 中國餐館症候群, 吳家誠, 師大, 化學系, 鈉鹽", "recipeCuisine": "中式料理", "recipeCategory": "味精對人體無害？　聽專家這麼說", "video": { "@type": "VideoObject", "name": "味精對人體無害？　聽專家這麼說", "description": "Meta Description", "thumbnailUrl": "https://foodno1.com/", "contentUrl": "https://foodno1.com/foodno1dailyrecipes/dir/food-and-health/3245-2016-08-14-06-12-05.html?markdown=1", "uploadDate": "2016-08-08T20:59:30-04:00" }, "author": { "@type": "Person", "name": "No.1 Admin", "url": "https://www.foodno1.com/about-us" }, "datePublished": "2016-08-08T20:59:30-04:00", "dateCreated": "2016-08-08T20:59:30-04:00", "dateModified": "2016-08-08T20:59:30-04:00" } ```