Microbial and Heavy Metal Contaminant of Antidiabetic Herbal Preparations Formulated in Bangladesh

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Heavy metals</td><td align="center">Stated limit <br/>(PTWI, weekly)</td><td align="center">Calculated daily<br/> limit (adult, 70 kg)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Arsenic</td><td align="center">15 <i>μ</i>g inorganic arsenic/kg bw</td><td align="center">150 <i>μ</i>g</td></tr><tr><td align="left">Cadmium</td><td align="center">7 <i>μ</i>g cadmium/kg bw</td><td align="center">70 <i>μ</i>g</td></tr><tr><td align="left">Lead</td><td align="center">25 <i>μ</i>g lead/kg bw</td><td align="center">250 <i>μ</i>g</td></tr><tr><td align="left">Mercury</td><td align="center">1.6 <i>μ</i>g methylmercury/kg bw</td><td align="center">16 <i>μ</i>g</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>JECFA: The Joint FAO/WHO Expert Committee on Food Additives; PTWI: provisional tolerable weekly intake.<br/></td></tr></table>

JECFA heavy metal limits for herbal dietary supplements.

Evidence-Based Complementary and Alternative Medicine

tab7

Table 7

Table 7: Microbial and Heavy Metal Contaminant of Antidiabetic Herbal Preparations Formulated in Bangladesh 