Аграрный вестник Урала № 05 (172) 2018Биология и биотехнологии
CONTENT OF ESSENTIAL ELEMENTS IN MYRTUS COMMUNIS L.’S RAW MATERIAL INTO MAIN PHENOLOGICAL PHASES
The content of K, Ca, Mg, Fe, Zn, Cu, Mn in myrtle leaves,fruits and one year shoots cut at the end of vegetation has been studied over themain developmental stages of the plant to determine the days of annual raw materialsgathering on the Southern coast of Crimea. The content of Ca and Mg were determined by a complexometric method using S-115 PKSatomic absorption spectrophotometer, the content of K – in emission mode; thecontent of Zn, Fe, Mn иCu – in absorption mode. The studied raw material ischaracterized by a high content of manganese (14.80 mg/kg in fruits, 56.25 mg/kgin one year shoots and 20.22–48.16 mg/kg in leaves) as well as of magnesium(1700 mg/kg in fruits, 2480 mg/kg in one year shoots and 2060–4460 mg/kg inleaves). The content of potassium varies between 1.65 and 3.25 maximum norms ofhuman daily use rate in 1 kgof the raw material: 4960 mg/kg in one-yearshoots, 6360 mg/kg in fruits and 6640–9750 mg/kg in leaves. Myrtus communis L.’s fruits are characterizedby the maximum content of Ferrum and zincin comparison with other samples – 121.6 mg/kg and 23.9 mg/kg respectively. Thecontent of these elements in one-year shootsis the lowest (10.62 mg/kg and 6.36 mg/kg respectively); the content of cuprum is the highest (6.07 mg/kg). The greatest amount of potassium, iron and copper inMyrtus communis L.’s leaves is contained in the vegetative growth phase; of calcium,zinc and manganese - in the flowering phase of the plant, and of magnesium - inthe phase of technological maturity.
Myrtus communis L., myrtle, essential elements, potassium, calcium, magnesium, Ferrum, zinc, cuprum, manganese, daily use rate.
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