Essential and non-essential/toxic trace elements in whey protein supplements

被引：12
|
作者：
Pinto, Edgar [1 ,2 ]
Ferreira, Isabel M. P. L. V. O. [2 ]
Almeida, Agostinho [3 ]
机构：
[1] P Porto, CISA Res Ctr Environm & Hlth, Dept Environm Hlth, Sch Hlth, P-4200072 Porto, Portugal
[2] P Porto, Sch Hlth, Dept Environm Hlth, LAQV REQUIMTE Lab Bromatol & Hydrol, Rua Dr Antonio Bernardino de Almeida 400, P-4200072 Porto, Portugal
[3] P Porto, Sch Hlth, Dept Environm Hlth, LAQV REQUIMTE Lab Appl Sci, Rua Dr Antonio Bernardino de Almeida 400, P-4200072 Porto, Portugal
来源：
JOURNAL OF FOOD COMPOSITION AND ANALYSIS | 2020年 / 86卷
关键词：
Whey protein; Trace elements; ICP-MS; Supplements; Permitted daily exposure; Food analysis; Food composition; CHOCOLATE; USAGE;
D O I：
10.1016/j.jfca.2019.103383
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Twenty-six (26) trace elements (essential and non-essential/toxic) were determined in 49 whey protein (WP) supplements available for sale in the Portuguese market by inductively coupled plasma - mass spectrometry. The most abundant essential trace element was Fe (13.7 +/- 16.7 mu g/g) and the least abundant was Co (0.040 +/- 0.028 mu g/g). The estimated daily intake was calculated and, considering a daily consumption of 50 g of WP supplement, on average, 100 % of the recommended dietary allowance for Mo and ca. 40 % for Se is met. A safety assessment was also performed based on the Permitted Daily Exposure limits settled by the USP, general chapter < 2232 >. The daily consumption of 50 g of WP supplement does not contribute for more than 12.1 % (Cd) of those limits, as regards As, Cd, Pb and Hg. Thus, WP supplements can be considered safe products, regarding the presence of potentially toxic elements.
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页数：10
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