Analytical challenges in chemical characterization of medicinal and aromatic plants

Balabanova, Biljana (2019) Analytical challenges in chemical characterization of medicinal and aromatic plants. In: 2nd international meeting agriscience & practice (ASP 2019), 12 Apr 2019, Stip, Republic of North Macedonia.

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Metallic ions play an important role in the metabolism of the living organisms and are the integral components of plants. The safe use of medical and aromatic plants requires the absence of toxic heavy metals in the products. However, the toxic and heavy metals may be present in the plant products due to environmental contamination during production, harvesting and processing of the plant for manufacturing of the plant product. The World Health Organization (WHO) has thus established maximum concentration limits for these elements in order to ensure the safe use of herbs. Therefore, it is important to determine the current metal levels in herbs and their parts used for medical and nutritional applications in order to determine any potential contamination. These concentrations are in the trace and ultra-trace range; thus analytical experience is needed for appropriate sample preparation, subsequent measurement by a suitable method and finally the evaluation and interpretation of the data obtained. In this investigation, possible sample preparation methods as well as analytical methods suitable for the given analytical task were summarized. Based on the sample matrix, the metals to be determined and their expected concentration range, and the sample preparation method as well as the subsequent analytical instrument have to be carefully chosen, optimized and validated.

Item Type: Conference or Workshop Item (Speech)
Subjects: Natural sciences > Chemical sciences
Agricultural Sciences > Other agricultural sciences
Divisions: Faculty of Agriculture
Depositing User: Biljana Balabanova
Date Deposited: 20 Aug 2019 13:09
Last Modified: 20 Aug 2019 13:09

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