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HERB STRUCTURE OF SELECTED MEDICINAL AND SPICES RAW MATERIALS AND AGROTECHNICAL P OSSIBILITIES OF ITS SHAPING

Key words:
herbal raw material, herb structure, leaves share, share of rubbed herb, stems share.

Summary
The herb structure of selected medicinal plants and spices was estimated, according to
three methods appropriate for further processing of the raw material: (1) share of leaves in the
herb: mint, sweet balm, basil, nettle and sage, (2) share of rubbed herb in the herb: marjoram,
thyme, oregano, savory, (3) share of leaves, flowers and stems: St. John's wort, motherwort,
feverfew and celandine. The average share of leaves and rubbed herbs was over 55% of all
tested raw materials, the highest share recorded for the herb leaf sage (74%), and the oregano
rubbed herb (73%). The lowest values were nettle and savory (55%). Of the 3. groups of raw
materials the most leaves (57%) and least the stems (35%) contained celandine herbs, while
the most flowers (32%) and stems (45%) – motherwort herbs.
Standard of the herb structure for different species does not seem warranted, because the
scope of the contribution of each fraction in subsequent samples of herb is high (from 10 to
28%), and the literature data shows that the major influence on this parameter have the condi-
tions of cultivation and harvesting raw materials. From among agrotechnical factors the herb
structure mostly depends on harvest time and foliar fertilization.

Anna KIEŁTYKA-DADASIEWICZ, Barbara KROCHMAL-MARCZAK
Garden of Cosmetics Plant and Raw Material
Research & Science Innovation Center, Poland
State Higher Vocational School in Krosno, Poland
Beata KRÓL
University of Life Science in Lublin, Poland

Additional information