鈣質對人體很重要 你知道嗎?
鈣是(shi)人體(ti)的生(sheng)(sheng)命之源,是(shi)人體(ti)含量豐(feng)富的無機(ji)元(yuan)素,總量超過(guo)1千克,有人體(ti)“生(sheng)(sheng)命元(yuan)素”的美譽。
人體中(zhong)的鈣99%沉(chen)積在骨骼和(he)牙齒中(zhong),促(cu)進(jin)其(qi)生長(chang)發育,維(wei)持其(qi)形(xing)態與硬度;l%存在于血液和(he)軟組織細胞中(zhong),發揮調節生理功能(neng)的作(zuo)用。
鈣(gai)離子(zi)(zi)(zi)(zi)的生理(li)作(zuo)用(yong)(yong)(yong)決(jue)定(ding)了(le)它對(dui)人(ren)類生命(ming)(ming)活動(dong)的重(zhong)(zhong)(zhong)要(yao)性:鈣(gai)離子(zi)(zi)(zi)(zi)對(dui)血(xue)(xue)液凝固有(you)(you)(you)重(zhong)(zhong)(zhong)要(yao)作(zuo)用(yong)(yong)(yong)。缺(que)鈣(gai)時,血(xue)(xue)凝發生障(zhang)礙,人(ren)體(ti)(ti)(ti)會(hui)出現牙(ya)齦出血(xue)(xue)、皮下出血(xue)(xue)點、不規則子(zi)(zi)(zi)(zi)宮出血(xue)(xue)、月經(jing)(jing)過(guo)多、尿(niao)血(xue)(xue)、嘔血(xue)(xue)等(deng)癥(zheng)狀(zhuang)。鈣(gai)離子(zi)(zi)(zi)(zi)對(dui)神(shen)經(jing)(jing)、肌肉的興(xing)奮和神(shen)經(jing)(jing)沖(chong)動(dong)的傳導有(you)(you)(you)重(zhong)(zhong)(zhong)要(yao)作(zuo)用(yong)(yong)(yong)。缺(que)鈣(gai)時人(ren)體(ti)(ti)(ti)會(hui)出現神(shen)經(jing)(jing)傳導阻(zu)滯(zhi)和肌張(zhang)力異常等(deng)癥(zheng)狀(zhuang)。鈣(gai)離子(zi)(zi)(zi)(zi)對(dui)細(xi)胞(bao)(bao)的粘著(zhu)、細(xi)胞(bao)(bao)膜(mo)功能(neng)的維(wei)持有(you)(you)(you)重(zhong)(zhong)(zhong)要(yao)作(zuo)用(yong)(yong)(yong)。細(xi)胞(bao)(bao)膜(mo)既是(shi)細(xi)胞(bao)(bao)內(nei)容物(wu)的屏(ping)障(zhang),更是(shi)各(ge)種(zhong)營養物(wu)質和氧氣(qi)進(jin)入細(xi)胞(bao)(bao)的載體(ti)(ti)(ti)。正常含量的鈣(gai)離子(zi)(zi)(zi)(zi)能(neng)保證細(xi)胞(bao)(bao)膜(mo)順利地把營養物(wu)質“泵”到細(xi)胞(bao)(bao)內(nei)。鈣(gai)離子(zi)(zi)(zi)(zi)對(dui)人(ren)體(ti)(ti)(ti)內(nei)的酶反應(ying)有(you)(you)(you)激活作(zuo)用(yong)(yong)(yong)。大家都知(zhi)道,酶是(shi)人(ren)體(ti)(ti)(ti)各(ge)種(zhong)物(wu)質代謝(xie)過(guo)程的催化(hua)劑,是(shi)人(ren)體(ti)(ti)(ti)一(yi)種(zhong)重(zhong)(zhong)(zhong)要(yao)的生命(ming)(ming)物(wu)質,鈣(gai)缺(que)乏(fa)即會(hui)影響正常的生理(li)代謝(xie)過(guo)程。鈣(gai)離子(zi)(zi)(zi)(zi)對(dui)人(ren)體(ti)(ti)(ti)內(nei)分(fen)泌腺激素的分(fen)泌有(you)(you)(you)決(jue)定(ding)性作(zuo)用(yong)(yong)(yong),對(dui)維(wei)持循(xun)環、呼吸(xi)、消化(hua)、泌尿(niao)、神(shen)經(jing)(jing)、內(nei)分(fen)泌、生殖等(deng)系統器(qi)官(guan)的功能(neng)至關重(zhong)(zhong)(zhong)要(yao)。
總之(zhi),鈣是(shi)(shi)人(ren)(ren)體(ti)不可或(huo)缺的(de)微量元素,它既是(shi)(shi)身(shen)體(ti)的(de)構(gou)造者(zhe),又是(shi)(shi)身(shen)體(ti)的(de)調節(jie)者(zhe),是(shi)(shi)我們人(ren)(ren)體(ti)的(de)生(sheng)命之(zhi)源。
建議:吃(chi)鈣(gai)(gai)片時可和維(wei)生(sheng)素D一起吃(chi),或(huo)者多曬曬太陽,那樣有助于(yu)鈣(gai)(gai)的(de)吸收。睡前也可補一定量的(de)鈣(gai)(gai),喝杯牛奶,既能(neng)安神,又能(neng)促進鈣(gai)(gai)的(de)吸收。同(tong)時,由(you)于(yu)睡前人(ren)體的(de)含鈣(gai)(gai)量較(jiao)少,這時攝(she)取的(de)鈣(gai)(gai)質能(neng)很快被(bei)吸收。