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17:20:42","wemediaEAccountId":"549505","source":"","sourceUrl":"","author":"","summary":"吃黑芝麻能使白發變黑?","imagesInContent":[],"bdImg":"http://x0.ifengimg.com/ucms/2019_38/AC5B8A2AE18AB61C7067AFFDBBCD12D16295DDA2_w121_h75.jpg","pcUrl":"http://uc737.com/c/8iCRU5l2wVQ","url":"http://uc737.com/c/8iCRU5l2wVQ","commentUrl":"ucms_8iCRU5l2wVQ","skey":"6aff89","voteId":"ucms_8iCRU5l2wVQ","isOriginal":"0","contentData":{"contentList":[{"data":"\u003cp>來源:北京青年報\u003c/p>\u003cp>市場上琳瑯滿目的黑芝麻類食品,已成為不少人眼中的養生必備。特別是“吃黑芝麻養發”的說法,更讓人們對其產生了“逆轉白發”的期盼。然而,吃黑芝麻并不能拯救白發。\u003c/p>\u003cp>\u003cstrong>頭發顏色由它說了算\u003c/strong>\u003c/p>\u003cp>毛發顏色是由毛囊中的黑色素細胞決定的。正常情況下,毛囊中的黑素細胞分泌黑色素(真黑色素、褐黑色素)會使頭發呈現黑色、棕色等不同顏色。這種分泌功能受遺傳、壓力、年齡增長、疾病、營養狀況等因素影響,不同個體毛發顏色的深淺不同。\u003c/p>\u003cp>在上述因素的影響下,黑色素細胞功能會不同程度受損、衰退或死亡,進而出現毛發變白,一旦毛囊停止生成黑色素,毛發變白便不可逆轉。\u003c/p>\u003cp>由此看出,毛發黑色素生成的關鍵是毛囊功能。如果毛囊的黑色素細胞只是受損沒有死亡,通過補充營養,毛發顏色可以恢復;一旦毛囊中的黑色素細胞死亡,就不會再產生黑色素。\u003c/p>\u003cp>\u003cstrong>黑芝麻確有養發作用\u003c/strong>\u003c/p>\u003cp>芝麻的營養價值豐富,尤其是黑芝麻,富含蛋白質、不飽和脂肪酸、維生素E、B族維生素,以及鈣、鐵、鋅、銅等礦物質。其中維生素E具有抗氧化作用,可延緩毛囊老化;銅、鐵在其他營養素協同下參與黑色素合成;不飽和脂肪酸和蛋白質為頭發提供營養,改善干枯、脆弱等問題。\u003c/p>\u003cp>因此,適量進食黑芝麻可輔助改善頭發光澤和韌性。\u003c/p>\u003cp>\u003cstrong>靠吃逆轉白發有難度\u003c/strong>\u003c/p>\u003cp>雖說吃黑芝麻能養發,但其并不能讓已衰退死亡的黑色素細胞再生,也就不能逆轉白發。白發成因復雜,單一食物無法解決遺傳、衰老等根本問題。\u003c/p>\u003cp>為避免過早出現白發,要保持膳食均衡,尤其注意蛋白質、維生素及礦物質的均衡攝入。同時要減少毛發損傷,避免頻繁染燙、暴曬、過度拉扯,也要注意減少熬夜、緩解壓力。必要時,可咨詢專業醫生。\u003c/p>\u003cp>文/付蘭芹(北京協和醫院)\u003c/p>","type":"text"}],"currentPage":0,"pageSize":1},"editorName":"吳琳","faceUrl":"http://ishare.ifeng.com/mediaShare/home/549505/media","vestAccountDetail":{},"subscribe":{"type":"vampire","cateSource":"","isShowSign":0,"parentid":"0","parentname":"社會","cateid":"549505","catename":"鳳凰網江西頻道","logo":"https://x0.ifengimg.com/ucms/2022_50/F86BD5D2B95579CB3A28BEFA8E62676479A3460F_size8_w200_h200.jpg","description":"鳳凰網江西頻道是江報傳媒集團和鳳凰新媒體進行的一體化戰略合作","api":"http://api.3g.ifeng.com/api_wemedia_list?cid=549505","show_link":1,"share_url":"https://share.iclient.ifeng.com/share_zmt_home?tag=home&cid=549505","eAccountId":549505,"status":1,"honorName":"","honorImg":"http://x0.ifengimg.com/cmpp/2020/0907/1a8b50ea7b17cb0size3_w42_h42.png","honorImg_night":"http://x0.ifengimg.com/cmpp/2020/0907/b803b8509474e6asize3_w42_h42.png","forbidFollow":0,"forbidJump":0,"fhtId":"53826662","view":1,"sourceFrom":"","declare":"","originalName":"","redirectTab":"article","authorUrl":"https://ishare.ifeng.com/mediaShare/home/549505/media","newsTime":"2025-04-01 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吃黑芝麻能使白發變黑?
江西
江西 > 健康養生 > 正文

吃黑芝麻能使白發變黑?

來源:北京青年報

市場上琳瑯滿目的黑芝麻類食品,已成為不少人眼中的養生必備。特別是“吃黑芝麻養發”的說法,更讓人們對其產生了“逆轉白發”的期盼。然而,吃黑芝麻并不能拯救白發。

頭發顏色由它說了算

毛發顏色是由毛囊中的黑色素細胞決定的。正常情況下,毛囊中的黑素細胞分泌黑色素(真黑色素、褐黑色素)會使頭發呈現黑色、棕色等不同顏色。這種分泌功能受遺傳、壓力、年齡增長、疾病、營養狀況等因素影響,不同個體毛發顏色的深淺不同。

在上述因素的影響下,黑色素細胞功能會不同程度受損、衰退或死亡,進而出現毛發變白,一旦毛囊停止生成黑色素,毛發變白便不可逆轉。

由此看出,毛發黑色素生成的關鍵是毛囊功能。如果毛囊的黑色素細胞只是受損沒有死亡,通過補充營養,毛發顏色可以恢復;一旦毛囊中的黑色素細胞死亡,就不會再產生黑色素。

黑芝麻確有養發作用

芝麻的營養價值豐富,尤其是黑芝麻,富含蛋白質、不飽和脂肪酸、維生素E、B族維生素,以及鈣、鐵、鋅、銅等礦物質。其中維生素E具有抗氧化作用,可延緩毛囊老化;銅、鐵在其他營養素協同下參與黑色素合成;不飽和脂肪酸和蛋白質為頭發提供營養,改善干枯、脆弱等問題。

因此,適量進食黑芝麻可輔助改善頭發光澤和韌性。

靠吃逆轉白發有難度

雖說吃黑芝麻能養發,但其并不能讓已衰退死亡的黑色素細胞再生,也就不能逆轉白發。白發成因復雜,單一食物無法解決遺傳、衰老等根本問題。

為避免過早出現白發,要保持膳食均衡,尤其注意蛋白質、維生素及礦物質的均衡攝入。同時要減少毛發損傷,避免頻繁染燙、暴曬、過度拉扯,也要注意減少熬夜、緩解壓力。必要時,可咨詢專業醫生。

文/付蘭芹(北京協和醫院)