ESSENTIAL TRACE ELEMENTS AND LEAD ABSORBTION IN FRUITS AND OTHER SEA-BUCKTHORN ORGANS
Abstract
Fruits of sea-buckthorn (Hippophae rhamnoides L.) are widely used in Russia and abroad as raw material for the production of food, medicines and dietary supplements. More than 200 biologically active organic components have been found in sea-buckthorn, however its mineral composition is investigated insufficiently.
We studied elemental composition of fruit, leaves, bark and roots of several varieties of sea-buckthorn (Hippophae rhamnoides L. ssp. mongolica (Rousi)), as well as soil where they are grown. Concentration of vital (essential) Fe, Mn, Zn, Cu, Cr, Co, Mo, Se and toxic Pb was quantified by means of XRF-SR (X-ray fluorescence analysis with synchrotron radiation) method. Intensity of elements absorption was determined by ratio of their biological uptake from soil.
All parts of sea-buckthorn are characterized by high absorption rate of chromium, lack of which contributes to development of atherosclerosis, metabolic syndrome and diabetes. Content of Cr exceeds widely known medicinal plants - blue honeysuckle (Lonicera caerulea ssp. altaica (Pall) and shrubby cinquefoil (Kuril tea, Pentaphylloides fructicosa (L.) Therefore, not only fruit but also leaves, bark and roots of sea-buckthorn can serve as a valuable raw material for production of medicinal and prophylactic products, enriched by nutrient chromium.
It is shown that absorption intensity of soil lead in sea-buckthorn plant parts does not exceed this parameter in other plants involved.
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