دریافت پاورپوینت (Essential oils (Pharmacognosy II روغن های ضروری – 29374

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پاورپوینت (Essential oils (Pharmacognosy II روغن های ضروری در قالب pptx و در حجم 40 اسلاید:


بخشی از متن:
What are essential oils?
Essential oils = essences = volatile oils = ethereal oils = oils
Complex composition
An essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds from plants.
Volatile in steam
Secondary metabolite
Chemical weapons …….. Essential oils
 -Repel herbivores like insects 
 -Protection against bacteria, fungi and viruses
 -To prevent other plants from growing to close
Attract pollinators
فهرست مطالب:
What are essential oils?
Primary metabolites
Secondary metabolite
Distribution of essential oils in plant families
Distribution of essential oils in plant organs
Distribution of essential oils
Oil cells
Glandular trichomes in Lamiaceae
Secretory cavities and ducts
Essential oils and Fixed oils
Physical properties
Menthol and Carvone
Uses of essential oils
Market for essential oils
Chemical Composition
A.  TERPENES
Isoprene (2-methyl-1,3-butadiene)
EXAMPLES OF TERPENES
B.  AROMATIC COMPOUNDS
C. Miscellaneous origins
Variability Factors of essential oils
Occurrence of Chemotypes 
Influence of the vegetative cycle
Influence of environmental factors
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