真薰衣草的植物学名是Lavandula augustifolia，这个品种的化学组分很均衡，有足够的乙酸芳樟醇酯含量，有毒性的樟脑的含量很低；而穗花薰衣草的植物学名是Lavandula latifolia，乙酸芳樟醇酯含量低，而且樟脑含量高。所有芳疗师在使用精油时，要注意所选用的精油安全性。
At the level of brain cell, neurons are delivered neurotransmitters from one neuron to next neurons. Each neurotransmitters act some of its dominant emotions. For examples, endorphin makes our mind to excite. Serotonin induces happiness. Melatonin guides sleep. Cholecystokinine leads sufficiency. Dopamine generates joy. Oxytocin stimulates love feeling.
There are some known aromatic essential oils where and what neuropeptides working at and effecting on. For examples, clary and ylanylang oils work at hypothalamus and producing endorphin and to increase sexuality and pain control. Rose and jasmine oils act on thalamus and make enkephalin and to relieve depressive mood and increase self confidence. Peppermint and rosemarry oils stimulate hippocampus to deliver adrenalin and lead to increase concentration and memory. Lavender and chamomile oils influence on raphe nuclei and release serotonin and to set mind balance and harmony.
Each aromatic essential oils has many chemical ingredients with different proportional ratios.
For examples, lavender essential oil has more highly linalyl acetate ratio than other oils.
It means lavender oil acts chemically on our body more sedating and relaxing effects.
Regarding to immune system, cytokine works on hypothalamus and pituitary gland and produce anterior pituitary hormone, like IL-1, IL-2, IL-6, TNF and it activates HPA axis (hypothalamic- pituitary-thyroid) and inhibits growth hormone. Inflammation and other stress condition commonly induce hormonal changes, like hypercortisolism, hyperreninemia hypoaldosteronism, euthyroid sick syndrome and hypogonadism. (M.R. Irwin / Brain, Behavior, and Immunity 22 (2008) 129-139)
Aromatherapy massage and spa has also same effects on body. It removes fatigue, tension and stress. Aromatic lymph drainage massage is much effective to edema state. Swedish massage generally helps to enhance circulation.
So aromatherapy is beneficial by depending on its metabolic pathway. For examples, if some mental condition, like insomnia or depression then to use oils by vaporization or inhalation. If it is necessary to relief bodily pain, then use oils by skin massages and lotions.
Aromatherapy is well used to cure some diseases in hospitals. Many modalities of Alternative medicine including aromatherapy have been used to treat patients at Sloan Kattering Cancer Center in N.Y
Most of mental disorders, like anxiety disorder, panic disorder are good indications for aromatherapy.
Aromatherapy is also good for other physical disorders, like cardiac surgery as for fast recovery from surgical sequelaes.
I would like to introduce some representative aromatic essential oils useful to affect nervous system and helpful to cure mental and physical disorders.
Mandarin is common and easy oil to use for insomnia,stress and Depression.Melaleuca alternifolia, common name, Eucalyptus has highly strong antiseptic effects and also is very common and familial oil to energizing and neurotonic with enhancing immunity.
Roman Chamomile oil is one of best for insomnia and depression.Also it is good for relaxation and stress relief.
Lavender is most common and safe aromatic essential oil for mental problems also for physical sufferings.It is most safe oil chemically and very rare toxicity so it is easy to use for children and pregnant women.
Marjoram is very deeply working to functions of nervous system, so itinduces powerful and strong relaxation.
There are other more essentials, like Junifer berry, Sandalwood,Lemon, Ylanylang, Rose. But I have no time to explain it so I will skip When we use aromatic essential oils in some medical conditions, wemust be attention of its toxicity and safety.
For examples, the general name, lavender is so many, may be over ten kinds, but its Latin name is different.
Latin name Lavandula anguistifolia(or true lavender) is one of best oil because of its chemical ingredient is well properly composed as you seeing in the picture, enough proportion of linalyl acetate and very few camphor which is toxin. But Latin name lavandula latifolia but same lavender in general name has not sufficient percentage of linalyl acetate and too much toxic camphor in it.
This is one of world wide famous certified essential oil mark. Organic and 100% pure eco oils should be chosen for avoiding danger
So aromatherapist should be alert to check whether essential oils are safe or not.
Last part of this lecture,I will talk my experience of aromatherapy in my clinic. Here are cases of my practice of aromatherapy specially for mental disorders.
I have been used aromatic essential oils to my patients alone or combining with medication(drugs) and other alternative modalities.
I will show my prescriptions of aromatic essential oils for each conditions, like, Depression, Insomnia, ADHD(Attention Deficit Hyperactive Disorder), Panic disorder and Migraine, Autism, Social phobia, PTSD, Dementia.
Depression is fundamental and common background of most mental problems, like PTSD, Panic disorder, Social phobia, OCD, Anxiety disorder. So essential oils for depression are also useful for other mental disorders.
Some oils among such essential oils are chosen with proper ratio for depression.