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Chelidonii herba has long been known in herbal medicine for its choleretic, cholagogue, spasmolytic and antiviral activities. It is important to monitor the amount of mineral elements in Chelidonii herba preparations consumed mainly for their phytotherapeutical effects. In addition to organic compounds, dissoluble mineral elements in the teas and tinctures of herbs may also have a role in therapy. The concentration of 24 elements (Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, Hg, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Ti, V, Zn) in crude drugs (herb and root), in their aqueous solutions (infusion, decoction) and alcoholic extracts were studied by ICP-OES. The difference between the concentration of elements in extracts - except for copper, manganese and sodium - was highly significant. It has been found that the root contains higher concentrations of mineral elements except for boron, copper, phosphorus and sulphur. The infusion contained most elements in the highest concentration and proved to be the best source for obtaining minerals. The same tendency was observed in the case of dissolutions. In aqueous extracts, the dissolution of mineral elements was between 10% and 65% for most elements, especially for potassium (65%) and phosphorus (54%). The dissolution of mineral elements in the case of tinctures decreased with increasing alcohol concentration. It may be stated that the presence of macro- and microelements in extracts greatly contribute to their therapeutical value.

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Acta Alimentaria
Authors: Zs. Hajdu, L. Lorántfy, N. Jedlinszki, K. Boros, J. Hohmann, and D. Csupor

The radish-like hypocotyls of Maca (Lepidium meyenii Walp., Brassicaceae) are widely consumed as common vegetable in the Andean highlands. It is considered as healthy food, rich in carbohydrates and protein, a herbal medicine with a general invigorating reputation and fertility and sexual performance enhancer. The latter is the most popular contemporary application of the plant in Europe. The number and variety of industrial products on the market is increasing. Here we report the development of a simple and reliable analytical protocol for the qualitative and quantitative analysis of maca content of preparations and for the detection of synthetic phosphodiesterase inhibitors. Fourteen products were analysed by the method based on TLC and HPLC-DAD analysis developed by us. Our experiments revealed that beside good-quality products, the majority of the multicomponent preparations did not contain the declared herbal component or the quantity of the measured macamide was very low. Furthermore, one preparation is adulterated with a synthetic phosphodiesterase inhibitor. The presented method is suitable for quality control of L. meyenii products.

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76 Beusky, D. & Gamble, A. (1986): Chinese herbal medicine . Materia Medica, Eastland Press, Seattle, pp. 82–83. Gamble A

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. & Yoon, K. Y. (1993): A survey for aldose reductase inhibition of herbal medicines. Fitoterapia, LXIV , 130-133. A survey for aldose reductase inhibition of herbal medicines Fitoterapia

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Acta Alimentaria
Authors: E. Rapavi, K. Szentmihályi, A. Lugasi, E. Vági, É. Bányai, A. Balázs, É. Szőke, and A. Blázovics

EDZARD, E. (2002): Toxic heavy metals and undeclared drugs in Asian herbal medicines. Trends pharmacol. Sci. , 23 , 136-139. Toxic heavy metals and undeclared drugs in Asian herbal medicines Trends

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herbal medicines and prescribed drugs: a systematic review. Drugs , 61 , 2163–2175. Ernst E. Interactions between herbal medicines and prescribed drugs: a systematic review

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. A Clin. Mol. Teratol. , 73 , 487 – 497 . IARC ( 2002 ): Monographs on the evaluation of carcinogenic risks of chemicals to human, some traditional herbal medicines, some mycotoxins, naphthalene and styrene

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and metabolic effects of Aloe vera - in: Benzie I.F.F & Wachtel-Galor , S. (Eds) Herbal medicine: Biomolecular and clinical aspects . 2 nd ed. Boca Raton (FL) : CRC Press/Taylor & Francis Group, Boca Raton . pp. 37 - 54 . 10.1201/b

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