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Cinnamon Bark
Cinnamon Bark

Cinnamon Bark
Cinnamomum zeylanicum (also called verum): family Laureacae

Plant Origin: Madagascar
Method: Steam distilled from bark
Cultivation: Unsprayed (grown organically but not certified)
Chemical Family: Aldehydes/Phenols
Aroma: Richer aroma than ground cinnamon

Actual Key Constituents Lot #CNB-102
Cinnamaldehyde <E> 44.38%
Eugenol 3.35%
Cinnamyl acetate 11.27%
Linalool 4.44%
cymene <para> 3.31%
1,8 cineole 2.33%
Caryophyllene <trans> 7.37%
Benzaldehyde 0.43%
Terpineol <alpha> 0.78%
Camphene 1.25%

Children? Not suitable orally for children under 6 and low risk mucus membrane irritation with inhalation. Strong skin irritant for all ages. Dilute 0.07%.
Pregnancy/Lactation? Not suitable (Tisserand/Young).

Analysis Report Comments: Consistent with Cinnamomum zeylanicum Blume (C. verm L. Presl), fam. Laureaceae and no cassia adulteration was detected. Levels of Eugenol, linalool, 1,8-cineole, benzaldehyde, caryophyllene, cinnamyl acetate were consistent with zeylanicum. Neither coumarin nor 2-Methorxybenzaldehyde detected. Aroma and appearance were consistent with c. zeylanicum bark of aged tree. Sample evaluated was excellent.

The scent is extremely powerful and warm-spicy with an unusual sweetness. For aroma, blends well with citrus oils (especially orange) and Frankincense.

Kurt Schnaubelt writes in reference to reading or hearing "dire warnings about the use of Cinnamon and Clove oil, that the 'Never to be used' phrase attached to these two essential oils" is "resoundingly ignored by those who really used essential oils. The antibacterial effects of Cinnamon Bark oil make it one of the best options when a person encounters violent bacterial infections of the intestinal tract, especially while traveling in unfamiliar territory! The choice is between being pointlessly scared by the defensive writing of an author who probably had never been in a comparable situation or effectively ending the debilitating condition with a few drops of Cinnamon oil."

Effects of cinnamaldehyde on the glucose transport activity of GLUT1

Anti-inflammatory, powerfully anti-bacterial, anti-infectious (intestinal, urinary), anti-viral, anti-microbial, anti-oxidant, antiseptic, anti-fungal, anti-coagulant, circulatory stimulant, stomach protectant, immune stimulant, purifier and anti-parasitic (worms), Lyme disease.

Cold air diffusing Cinnamon Bark essential oil showed inhibitory effect against respiratory tract pathogens Haemophilus influenzae, Streptococcus pneumoniae, Streptococcus pyogenes and Staphylococcus aureus, including some penicillin-resistant strains. [View abstract]

Cinnamon and Clove essential oils showed strong inhibition of bacteria when tested for the possibility of creating a protective atmosphere by using natural compounds that could extend the shelf life of packaged foodstuffs. The oils were tested against Staphylococcus aureus, Bacillus cereus, Enterococcus faecalis, Listeria monocytogenes, Escherichia coli, Yersinia enterocolitica, Salmonella choleraesuis, and Pseudomonas aeruginosa. [View abstract]

Kurt Schnaubelt, Ph.D wrote in The Healing Intelligence of Essential Oils (p. 133) that 1 drop in honey can be taken once every 2 hours for acute infection.

May be helpful for cardiovascular issues, infectious diseases, viral infections (such as Herpes), digestive complaints, ulcers, warts, teeth and gums

Application Suggestions (See Essential Oil Usage for more information and a dilution chart.)
Topical: Dilute adequately with a carrier oil and apply as desired. Cinnamon Bark has a high risk for skin irritation and sensitization. To avoid skin irritation/sensitization risk, Tisserand/Young suggest that the maximum dermal use level is 0.07%. This would be about a 1 drop in a 2oz bottle (1 drop in 48mLs to be exact.)

Inhalation: Cinnamon Bark is typically added to other essential oils and diffused. May irritate nasal membranes if inhaled directly from diffuser or bottle.

Internal: Cinnamon Bark is suitable for internal use within safe parameters, if such use is deemed appropriate. We feel that internal use is rarely *needed* and should only be used with respect for how concentrated the oils are. HEO does not advocate internal use of essential oils without appropriate knowledge and understanding of how to administer, for what purpose, how much, which essential oils, safety concerns and so on. In our experience, essential oils are generally more effective used topically with proper dilution or inhaled. Kurt Schnaubelt Ph.D. notes that "French aromatherapy literature contains many references to using oils orally." He goes on to note that "generally 1 drop is always enough when ingesting essential oils." A potential toxicity hazard could occur when untrained people use essential oils orally and ingest too much. Keep in mind that while medical doctors or health care practitioners may prescribe essential oils for internal use, they are trained and experienced in the safe application of essential oils. It is not a matter of using "French aromatherapy" or "British" methods, it's a matter of experience and appropriate application. Click here for more information about internal usage.

Kurt Schnaubelt, Ph.D wrote in The Healing Intelligence of Essential Oils (p. 133) that 1 drop in honey can be taken once every 2 hours for acute infection.
Robert Tisserand wrote in Essential Oil Safety (p. 248) that the maximum adult daily oral dose should not exceed .22mL (about 6 drops).

1. I give my husband Cinnamon Bark oil orally twice a day, 3-5 drops in a gel capsule to prevent urinary tract infections. - Ami [HEO's comment: See "Internal Use" statement above. Doing this long-term may have adverse effects that have not been studied.]

2. I have a few customers who have severe allergic reactions to cinnamon, but they have no problem with Cinnamon Bark properly diluted in blends. - Elissa

Hopewell Essential Oil blends with Cinnamon Bark
Abundant Life
Ancient Healing
Chronic Fatigue
Mold Buster
Plague Defense
Vocal Victory

Children: Not for children orally six years old or under, and use with caution and in greater dilution for children older than six (Tisserand/Young p. 652-3). 
"Do not expose children of five years or less to strong essential oil vapors" (page 651).

Topical Use: May be sensitizing due to aldehydes. Moderate risk (Tisserand/Young p. 249). High risk of skin sensitization and irritation.

Pregnancy and Breastfeeding: Cinnamon Bark is contraindicated for pregnancy and breastfeeding because when it was fed to pregnant mice for two weeks it significantly reduced the number of nuclei and altered the distribution of embryos according to nucleus number (Tisserand/Young p. 249).

Oral Use Caution: Hemophilia or severe kidney or liver disease. Tisserand/Young (p. 248) wrote that the maximum adult daily oral dose should not exceed .22mL (about 6 drops).

Drug interaction: May inhibit blood clotting. Oral use cautions: diabetes medication, anticoagulant medication, major surgery, peptic ulcer, hemophilia and other bleeding disorders.

From Essential Oil Safety by Tisserand/Young, page 249:
"Cinnamon oil (type not known) caused poisoning after the ingestion of approximately 60mL by a 7-year-old boy who drank the oil when dared to by a friend. Symptoms included a burning sensation in the mouth, chest and stomach, dizziness, double vision and nausea. There was also vomiting and later collapse. The doctors involved considered that had vomiting not occurred the dose could have been fatal, but there were no serious consequences."

Avoid contact with the eyes and other sensitive areas. Essential oils are both lipophilic and hydrophobic. Lipophilic means they are attracted to fat—like the membranes of your eyes and skin. They are also hydrophobic, meaning they do not like water. Flushing with water will only send the essential oil back to the eye's membranes. Applying a carrier oil will create another fat for the essential oil to be attracted to other than the membranes of the eyes or skin. We’ve not known this to cause permanent injury or long-term discomfort, but if you feel concerned, please call your health care provider.

Schnaubelt, Kurt, The Healing Intelligence of Essential Oils, 2111, page 73.
Tisserand, Robert, Essential Oil Safety, 2nd Edition 2014, pages 152-153, 248-249, 652-653.