slajd 1 - utok · title: slajd 1 author: ��pawe b created date: 5/21/2019 4:31:19 pm
TRANSCRIPT
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Photo: P. Staniszewski
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The forest that heals –
forest environment as a source of
herbal medicinal raw materials
Paweł Staniszewski1, Szczepan Kopeć1, Małgorzata Woźnicka1,
Emilia Janeczko1, Maciej Bilek2
Department of Forest Utilization, Faculty of Forestry, Warsaw University of Life Sciences - SGGW1
Department of Food and Agriculture Production Engineering, Faculty of Biology and Agriculture, Rzeszów University2
PUBLIC RECREATION AND LANDSCAPE PROTECTION – WITH SENSE HAND IN HAND...
REKREACE A OCHRANA PŘÍRODY – S ROZUMEM RUKU W RUCE...
13. - 15. května 2019, Křtiny
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Photo: P. Staniszewski
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The growing fashion for a healthy lifestyle
The search for natural products
coming from the least contaminated ecosystems
Forests!
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• forest fruits;
• edible mushrooms;
• ...
• medical herbs!
Photo: P. Staniszewski
Non-wood forest products!
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Photo: P. Staniszewski
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Aim:
to evaluate the usefulness of
medicinal plants found in Polish forest environment
in the context of herbal drugs and herbal drugs preparations
listed in the newest "European Pharmacopoeia 9"
in both the industrial/commercial context and in relation to
individual collection and use for collectors own needs.
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Pharmacopoeia: official list of authorized medicines
(allowed for trading).
Herbal drugs (= herbal substances): medicinal plant
raw materials: whole, cut, fragmented, (fresh or dried),
selected unprocessed exudates/secretions etc.
Herbal drugs preparations: homogeneous medicinal
products of vegetable origin obtained by extraction,
distillation, pressing, fractionation, purification,
concentration or fermentation.
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European Pharmacopoeia 9:
210 herbal drugs and 80 herbal drugs preparations monographs
(both native and exotic).
They come from 249 plant species, with 50 herbal drugs
and 17 herbal drugs preparations from 59 species
of medicinal plants found in Polish forest environment.
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!
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Forest:
Artemisia absinthium, Agrimonia eupatoria, Alchemilla vulgaris, Archangelica
officinalis, Arnica montana, Atropa belladonna, Betula pendula, B. pubsecens,
Polygonum bistorta, Chelidonium maius, Crataegus oxyacantha, C. monogyna,
Digitalis purpurea, Equisetum arvense, Filipendula ulmaria, Frangula alnus,
Fraxinus excelsior, F. oxyphylla, Hedera helix, Aesculus hippocastanum, Hypericum
perforatum, Juniperus communis, Cetraria islandica, Humulus lupulus, Malva
silvestris, M. neglecta, Menyanthes trifoliata, Vaccinium myrtillus, Ononis spinosa,
Polygonum aviculare, Primula veris, P. elatior, Quercus robur, Q. petraea, Q.
pubescens, Ribes nigrum, Rosa canina, R. pendulina, Salix purpurea, S.
daphnoides, S. fragilis, Sambucus nigra, Sanguisorba officinalis, Thymus
serpyllum, Solidago gigantea, S. Canadensis, S. virga-aurea, Taraxacum officnale,
Tilia cordata, T. platyphyllos, Potentilla tormentilla, Urtica dioica, U. urens,
Arctostaphylos uva-ursi, Valeriana officinalis, Viola tricolor, V. arvensis.
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Assignment of pharmacopoeial herbal drugs and herbal drugs preparations
from Polish forest areas (including the mid-forest clearings and the edge of
the forest) to the groups of phytochemicals
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Photo: P. Staniszewski
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Why this topic at this conference?
Collecting forest floor resources
is an element of recreation!
educational challenge!
Question:
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It seems that there is nothing simpler than to gather
a plant from the forest and make a medicinal herbal
infusion from it, but...
...quite a lot of threats!
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1. The risk of misdiagnosis
The main principle: correct diagnosis of the disease!
Threats
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However, if the patient suffer from viral diarrhea, the use of
bilberry fruit is ineffective and also postpones the
implementation of the proper treatment.
Example:
Dried bilberry (Vaccinium myrtillus) fruit is a tanning raw
material. It is often used, mainly for children, in mild bacterial
diarrhea.
Photo: P. Staniszewski
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2. The right dose of medicine and time of treatment
The key to properly performed treatment is the right
dose and timing of the drug, also in the case of
herbal medicines.
Threats
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However, if overdosed or used for too long, it may cause renal
irritation, haematuria, severe pain in the kidneys, irritation of the
gastric mucosa, uterine haemorrhage, convulsions, cardiac
disorders.
Example:
Semi-fruit of juniper (Juniperus communis), used in the right
dose, works diuretic and stimulates digestion.
Photo: P. Staniszewski
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3. Necessity to consider contraindications
Each chemical substance and each herbal raw
material with therapeutic effect have their
contraindications.
Threats
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However, due to the
irritating effect on the
mucous membranes
of the gastrointestinal
tract it cannot be
used in the presence
of gastrointestinal
bleeding, in acute
inflammation of the
stomach, gastric and
duodenal ulcer
disease, as well as
after surgery in the
gastrointestinal tract.
Example:
Primrose (Primula veris, P. elatior) root is used as an
expectorant in colds and inflammation of the airways.
Photo: P. Staniszewski
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4. The need to take into account side effects
Herbal raw materials used even after correct
diagnosis and taking into account contraindications
may have serious side effects. Most often they are
harmless complaints from the gastrointestinal tract,
but sometimes they are more serious.
Threats
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Photo: P. Staniszewski
Example:
Buckthorn (Frangula
alnus) bark used in
constipation may cause
irritation of the
gastrointestinal tract,
impaired absorption of
nutrients and well as
impaired absorption of
electrolytes (including
potassium), impaired
cardiac and muscular
function as well as
proteinuria and
hematuria. There is also
a risk of abortifacient
effects.
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5. The need to consider the risk of interaction with
other drugs
Medicinal plants, even if used after accurate
diagnosis and did not cause side effects, may
interact with other drugs.
Threats
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Example: Willow (Salix purpurea) bark intensifies the effect of
non-steroidal anti-inflammatory drugs and anticoagulants, which
may contribute to their side effects.
Photo: J. Adamczyk
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6. So-called special precautions
When using a herbal medicine, attention should be
paid to atypical dependencies associated with a
particular drug.
Threats
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Example:
The angelica
(Archangelica
officinalis) root
contains
components with
photosensitizing
properties. During
its use UV rays
cause
inflammation of the
skin, so you should
avoid sunbathing.
Photo: B. Łotocka
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So... please, be careful !
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The promotion of forest medicinal plants and the promotion
of the use of a herbal medicine cannot be carried out
uncritically.
Therefore, the use of medicinal plant raw materials without
consulting a doctor or pharmacist, should always be
considered as subject to health risks.
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Photo: P. Staniszewski
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The desire to spend free time in the forest is largely due to the
availability of mushrooms, fruit and other useful plants.
However, knowledge of the importance and proper use of
these goods is not satisfactory.
The education on non-wood forest products use,
conducted by foresters, is met with great public interest.
Conclusions
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Popularization of the gathering of medicinal plants in the forest
environment, both for the needs of the pharmaceutical industry
and collectors own purpose, will allow the implementation of a
new and very attractive concept in forest education of society:
"the forest that heals".
Conclusions
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However, it should be emphasized that the list of plants that
can be recommended for self-collection and use should be
limited. In practice, this applies to herbal raw materials with
safe prophylactic and not strictly healing effects. The key issue
is the safety of amateur users, whose knowledge about the
possible side effects of plant drugs, resulting from the multitude
of active substances presented in them, may be insufficient.
Of course, this does not exclude education in the field of
plants that are or may be used by the pharmaceutical industry -
but highlighting the risks associated with their improper use.
Conclusions
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However, it should be emphasized that the list of plants that
can be recommended for self-collection and use should be
limited. In practice, this applies to herbal raw materials with
safe prophylactic and not strictly healing effects. The key issue
is the safety of amateur users, whose knowledge about the
possible side effects of plant drugs, resulting from the multitude
of active substances presented in them, may be insufficient.
Of course, this does not exclude education in the field of
plants that are or may be used by the pharmaceutical industry -
but highlighting the risks associated with their improper use.
Conclusions
!
So: education and promotion – YES!
But...
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Photo: P. Staniszewski
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