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學習快評丨qibao666888　　蔬?(shu)菜??(cai)水??(shui)果??(guo)的?(de)鉀??(jia)含??(han)量??(liang)通??(tong)常??(chang)在?(zai)100—400毫??(hao)克??(ke)/100克??(ke)??，再??(zai)加??(jia)上??(shang)每??(mei)天?(tian)攝??(she)入??(ru)量??(liang)很??(hen)大??(da)??，因??(yin)此??(ci)是??(shi)鉀??(jia)最??(zui)重??(zhong)要??(yao)的??(de)食??(shi)物??(wu)來??(lai)源??(yuan)??。??　　鉀??(jia)能??(neng)促??(cu)進??(jin)鈉??(na)從??(cong)尿??(niao)中??(zhong)排??(pai)出??(chu)??，并??(bing)抑??(yi)制??(zhi)腎??(shen)素??(su)—血??(xue)管??(guan)緊??(jin)張??(zhang)素??(su)系??(xi)統(tǒng)??(tong)??，從??(cong)而??(er)降?(jiang)低??(di)血??(xue)管??(guan)壓??(ya)力??(li)??。??該??(gai)系??(xi)統(tǒng)??(tong)是??(shi)人??(ren)體??(ti)內(nèi)??(nei)重??(zhong)要??(yao)的??(de)體??(ti)液??(ye)調(diào)??(tiao)節(jié)?(jie)系??(xi)統(tǒng)?(tong)??，被??(bei)過??(guo)度??(du)激??(ji)活??(huo)是??(shi)產(chǎn)??(chan)生??(sheng)高??(gao)血??(xue)壓??(ya)的??(de)原??(yuan)因??(yin)之??(zhi)一??(yi)??。。