Department of Food Science and Engineering, Northwest University, Xi'an, Shaanxi, China.
J Food Sci. 2013 Mar;78(3):C387-94. doi: 10.1111/1750-3841.12049.
We investigated and compared the physicochemical properties (moisture, color, ash, pH, electrical conductivity, free acidity, lactonic acidity, total acidity, fructose, glucose, sucrose, diastase activity, and HMF) and mineral contents (Al, Ca, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Na, Ni, As, Cd, Pb, and Zn), as well as total proline and total protein contents of 23 jujube honey samples collected from different regions of China. The mineral content was determined by inductively coupled plasma-optical emission spectrometry (ICP-OES). The physicochemical values were in the range of approved limits (conforming to EU legislation) in all 23 samples. The physicochemical properties of jujube honey showed significant variations among samples. The mean pH value of the jujube honeys was 6.71. The most abundant minerals were potassium, calcium, sodium, and magnesium, ranging between 1081.4 and 2642.9, 97.1 and 194.2, 7.79 and 127.8, and 10.36 and 24.67 mg/kg, respectively, and potassium made up 71% of the total mineral content. This study demonstrated remarkable variation in physicochemical parameters and mineral contents of jujube honey, mainly depending on its geographic source.
我们研究并比较了 23 个来自中国不同地区的蜜枣蜂蜜样本的理化性质（水分、颜色、灰分、pH 值、电导率、游离酸度、乳酸性、总酸度、果糖、葡萄糖、蔗糖、酶活性和 HMF）和矿物质含量（Al、Ca、Co、Cr、Cu、Fe、K、Li、Mg、Mn、Na、Ni、As、Cd、Pb 和 Zn），以及脯氨酸和总蛋白含量。矿物质含量通过电感耦合等离子体发射光谱法（ICP-OES）测定。23 个样本的理化值均在批准范围内（符合欧盟法规）。蜜枣蜂蜜的理化性质在样品间存在显著差异。蜜枣蜂蜜的平均 pH 值为 6.71。最丰富的矿物质是钾、钙、钠和镁，含量范围分别为 1081.4-2642.9、97.1-194.2、7.79-127.8 和 10.36-24.67mg/kg，钾占总矿物质含量的 71%。这项研究表明，蜜枣蜂蜜的理化参数和矿物质含量存在显著差异，主要取决于其地理来源。
