E-HERBARIA

  • Name : Lavendar
  • English Name :Lavender, French Lavender, Spanish Lavender, Topped Lavender
  • Scientific Name :Lavandula stoechas

Habitat:

This herb occurs naturally in Mediterranean countries.

Morphology Description:

An evergreen shrub, it usually grows to 30?100 cm (12?39 in)30?100 cm tall and wide, occasionally up to 2 m (7 ft) high in the subspecies luisieri. Theleaves are 1?4 cm long, greyish and tomentose.

The flowers, which appear in late spring and early summer, are pink to purple, produced on spikes 2? cm long at the top of slender, leafless stems 10?30 cm (4?12 in) long; each flower is subtended by a bract 4?8 mm long. At the top of the spike are a number of much larger, sterile bracts (no flowers between them), 10?50 mm long and bright lavender purple (rarely white).1

Parts Used:            Flowers

Phytochemistry:

The chemical compositions of the essential oils obtained by hydrodistillation from the dried leaves and flowers of Lavandula stoechas L. ssp.stoechas were separately identified by GC-FID and GC-MS analyses. The main components were alpha-fenchone (41.9 +/- 1.2%), 1,8-cineole (15.6 +/- 0.8%), camphor (12.1 +/- 0.5%), and viridiflorol (4.1 +/- 0.4%) in the leaves; and alpha-fenchone (39.2 +/- 0.9%), myrtenyl acetate (9.5 +/- 0.4%), alpha-pinene (6.1 +/- 0.09%), camphor (5.9 +/- 0.05%) and 1,8-cineole (3.8 +/- 0.1%) in the flowers. Overall, 55 and 66 constituents were identified in the leaf and flower essential oils representing more than 90% and 94% of the total, respectively.2

Pharmacological Actions:

Lavender oil is antibacterial, antifungal, carminative (smooth muscle relaxing), sedative, antidepressive and effective for burns and insect bites.

Central Nervous System: 

i. In aromatherapy, Lavender oil exerts relaxing effects. It causes significant decreases of blood pressure, heart rate, and skin temperature, which indicates a decrease of autonomic arousal. Lavender oil inhalation makes one feel more active, fresher and more relaxed than inhalation of base oils.3

ii. Mitigates anxiety.4,5

iii. Antioxidant and antiapoptotic activities of the lavender essential oils are the major mechanisms for their potent neuroprotective effects against experimentally-induced oxidative stress.6

Reproductive System: 

i. Lavender aromatherapy has been observed to be a potential therapeutic modality that could alleviate premenstrual emotional symptoms, which, at least in part, is attributable to the improvement of parasympathetic nervous system activity.7

Others

i. The flower essential oil possesses significant antibacterial and anticandidal activities.2

ii. Exhibits significant free radical scavenging activity.8

iii. Aromatherapy with lavender essential oil has been observed to decrease the number of required analgesics following tonsillectomy in pediatric patients.9

Indications:

 Stress, Anxiety and allied disorders

References:

1. http://en.wikipedia.org/wiki/Lavandula_stoechas

2. Kirmizibekmez H, Demirci B, Yeşilada E, et al. Chemical composition and antimicrobial activity of the essential oils of Lavandula stoechas L. ssp. stoechasgrowing wild in Turkey. Nat Prod Commun. 2009 Jul;4(7):1001-6.

3. Sayorwan W, Siripornpanich V, Piriyapunyaporn T, et al. The effects of lavender oil inhalation on emotional states, autonomic nervous system, and brain electrical activity. J Med Assoc Thai. 2012 Apr;95(4):598-606.

4. Kasper S. An orally administered lavandula oil preparation (Silexan) for anxiety disorder and related conditions: an evidence based review. Int J Psychiatry Clin Pract. 2013 Nov;17 Suppl 1:15-22.

5. Schuwald AM, N?ldner M, Wilmes T, et al. Lavender oil-potent anxiolytic properties via modulating voltage dependent calcium channels. PLoS One. 2013 Apr 29;8(4):e59998.

6. Hancianu M, Cioanca O, Mihasan M, Hritcu L. Neuroprotective effects of inhaled lavender oil on scopolamine-induced dementia via anti-oxidative activities in rats. Phytomedicine. 2013 Mar 15;20(5):446-52.

7. Matsumoto T, Asakura H, Hayashi T. Does lavender aromatherapy alleviate premenstrual emotional symptoms?: a randomized crossover trial. Biopsychosoc Med. 2013 May 31;7(1):12.

8. Iihami Gulcin, I.Gungor Sat, Sukru Beydemir, et al. Comparison of antioxidant activity of clove (Eugenia caryophylata Thunb) buds and lavender (Lavandula stoechas L.). Food Chemistry. 2004; 87(3): 393-400.

9. Soltani R, Soheilipour S, Hajhashemi V, et al. Evaluation of the effect of aromatherapy with lavender essential oil on post-tonsillectomy pain in pediatric patients: a randomized controlled trial. Int J Pediatr Otorhinolaryngol. 2013 Sep;77(9):1579-81.

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