广东微量元素科学
廣東微量元素科學
엄동미량원소과학
GUANGDONG TRACE ELEMENTS SCIENCE
2009年
11期
53-57
,共5页
赵西梅%肖忠峰%江良洪%蔡培军%李主江
趙西梅%肖忠峰%江良洪%蔡培軍%李主江
조서매%초충봉%강량홍%채배군%리주강
玫瑰花茶%火焰原子吸收光谱法%金属元素
玫瑰花茶%火燄原子吸收光譜法%金屬元素
매괴화다%화염원자흡수광보법%금속원소
rose tea%flame atomic absorption spectrometry%metal elements
采用V(HNO_3)+V(HClO_4)=5+1对玫瑰花茶进行消解,用火焰原子吸收光谱法测定了其中金属营养元素的含量.结果表明,玫瑰花茶中含有丰富的人体所必需的金属元素,其中钾、钙、钠、镁、铁、锰、铜、锌含量分别为11.655 9,6.564 2 mg/g,23.314 7 μg/g,2.053 3 mg/g,25.871 1,20.589 7,7.910 7,23.249 3 μg/g,各元素比例有利于人体吸收,具有较高的营养保健价值,为人们选用花茶提供了一定的理论依据.
採用V(HNO_3)+V(HClO_4)=5+1對玫瑰花茶進行消解,用火燄原子吸收光譜法測定瞭其中金屬營養元素的含量.結果錶明,玫瑰花茶中含有豐富的人體所必需的金屬元素,其中鉀、鈣、鈉、鎂、鐵、錳、銅、鋅含量分彆為11.655 9,6.564 2 mg/g,23.314 7 μg/g,2.053 3 mg/g,25.871 1,20.589 7,7.910 7,23.249 3 μg/g,各元素比例有利于人體吸收,具有較高的營養保健價值,為人們選用花茶提供瞭一定的理論依據.
채용V(HNO_3)+V(HClO_4)=5+1대매괴화다진행소해,용화염원자흡수광보법측정료기중금속영양원소적함량.결과표명,매괴화다중함유봉부적인체소필수적금속원소,기중갑、개、납、미、철、맹、동、자함량분별위11.655 9,6.564 2 mg/g,23.314 7 μg/g,2.053 3 mg/g,25.871 1,20.589 7,7.910 7,23.249 3 μg/g,각원소비례유리우인체흡수,구유교고적영양보건개치,위인문선용화다제공료일정적이론의거.
Metal elements in rose tea were determined with wet digestion V(HNO_3)+V(HClO_4)=5+1 by flame atomic absorption spectrometry.The results showed that the content of metal elements,such as K,Ca,Na,Mg,Fe,Mn,Cu,Zn was rich in rose tea,they was 11.655 9 mg/g,6.564 2 mg/g,23.314 7 μg/g,2.053 3 mg/g,25.871 1 μg/g,20.589 7 μg/g,7.910 7 μg/g,23.249 3 μg/g respectively,and the elemental proportion are beneficial to human,then the value of nutrition and health is very high.The results will provide a certain theory bases for peoples, reasonable choice of rose tea.
