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On August 26, 2024, China National Health Commission (NHC) announced to update the Catalogue of Substances Traditionally Considered as Both Food and Chinese Medicine by adding four new substances. Details are as follows:
Substance name | Plant name | Latin name | Family name | Part | Safe limit (mg/kg)a,b |
地黄 | 地黄 | Rehmannia glutinosa Libosch. | Scrophulariaceae | Root | Lead (Pb) ≤ 1.0 Cadmium (Cd) ≤ 0.5 Arsenic (As) ≤ 1.0 Mercury (Hg) ≤ 0.2 |
麦冬 | 麦冬 | Ophiopogon japonicus (L.f) Ker-Gawl. | Liliaceae | Root | Lead (Pb) ≤ 1.0 Cadmium (Cd) ≤ 0.5 Arsenic (As) ≤ 0.5 Mercury (Hg) ≤ 0.1 |
天冬 | 天冬 | Asparagus cochinchinensis (Lour.) Merr. | Liliaceae | Root | Lead (Pb) ≤ 1.0 Cadmium (Cd) ≤ 0.5 Arsenic (As) ≤ 1.0 Mercury (Hg) ≤ 0.1 Sulfur Dioxide (SO₂) ≤ 400 |
化橘红 | 化州柚 | Citrus grandis ‘Tomentosa’ | Rutaceae | Outer Peel | Lead (Pb) ≤ 1.0 Cadmium (Cd) ≤ 0.1 Arsenic (As) ≤ 0.5 Mercury (Hg) ≤ 0.1 |
柚 | Citrus grandis (L.) Osbeck |
Notes:
a Lead, cadmium, arsenic, mercury, and sulfur dioxide shall be measured according to the methods specified in GB 5009.12, GB 5009.15, GB 5009.11, GB 5009.17, and GB 5009.34, respectively. The pesticide limit shall comply with the relevant regulations of the Ministry of Agriculture and Rural Affairs;
b The limit value is determined based on dry products. While for fresh products, the limit value shall be translated based on the limit value of dry products by considering the moisture.
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