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Simultaneous analysis of metals in various types of medicinl herbs commonly used to produce functional foods by ICP-MS

Pham Cong Hieu Nguyen Minh Chau Lu Thi Minh Hien Tran Ngoc Tu Pham Thu Giang Le Van Tang Phung Vu Phong Dinh Viet Chien Le Van Ha
Received: 06 Jan 2020
Revised: 12 Feb 2020
Accepted: 15 Mar 2020
Published: 31 Mar 2020

Article Details

How to Cite
Pham Cong Hieu, Nguyen Minh Chau, Lu Thi Minh Hien, Tran Ngoc Tu, Pham Thu Giang, Le Van Tang, Phung Vu Phong, Dinh Viet Chien, Le Van Ha. "Simultaneous analysis of metals in various types of medicinl herbs commonly used to produce functional foods by ICP-MS". Vietnam Journal of Food Control. vol. 3, no. 1, pp. 29-37, 2020

Main Article Content


ICP-MS method was optimized for the simultaneous analysis of 16 metals (Pb, Cd, As, Hg, Sn, Sb, Co, Ni, Cr, Mn, Mo, Se, Cu, Fe, Zn , Al) in types of medicinal herbs commonly used to produce functional foods. The conditions of samples digestion in a closed system using a microwave and an opened system in Kjeldahl method have been studied in order to flexibly apply different methods of sample preparation in practice. The method was validated with parameters such as calibration curve, limit of detection, limit of quantitation, repeatability RSDr % (0.98 - 19.7%), reproducibility RSDR% (2.72 - 23.5%) and recovery R% (80.3 -109%) meeting the AOAC performance requirements. The method was applied to determine heavy metals in 40 samples of medicinal herbs of apart from the risk of pollution with some toxic heavy metals such as lead and cadmium in medicinal herbs.


ICP-MS, method, metals, heavy metals, minerals, medicinal herbs


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