1. Abdul Jaleel C, Manivannan P, Wahid A, Farooq M, AL-Juburi H J, Somasund R, Panneersel R. Drought stress in plants: A review on morphological characteristics and pigments composition. Int J Agric Biol. 2009;11:100-105.
2. Anjum S H, Xie X, Wang L C, Farrukh Saleem M, Man C, Lei W. Morphological, physiological and biochemical responses of plants to drought stress. Afr J Agric Res. 2011;6:2026-2032.
3. Nakayama N, Saneokai H, Moghaieb R E A, Premachander G S, Fujita K. Response of growth, photosynthetic gas exchange, translocation of 13C-labelled photosynthate and N accumulation in two soybean (Glycine max l. merrill) cultivars to drought stress. Int J Agric Biol. 2007;9:669-674.
4. Pirzad A, Shakiba M R S, Zehtab-Salmasi A, Mohammadi R, Darvishzadeh S, Samadi S. Effect of water stress on leaf relative water content, chlorophyll, proline and soluble carbohydrates in Matricaria chamomilla. J Med Plants Res. 2011;5:2483-2488.
5. Nogues S, Baker N R. Effect of drought on photosynthesis in Mediterranean plants grown under enhance UV-B radiation. J Exp Bot. 2000;51:1309-1317.
6. Yazdani D, Jamshidi H, Mojab F. Compare of essential oil yield and menthol existent in Peppermint (Mentha piperita L.) planted in different origin of Iran. J Med Plants. 2002;3:73-78.
7. Farhoudi R. Effect of drought stress on growth and essential oil yield of German chamomile. Res Crop. 2012;14:123-129.
8. Khorasaninejad S, Mousavi A, Soltanloo H, Hemmati K, Khalighi A. The effect of drought stress on growth parameters, essential oil yield and constituent of peppermint. J Med Plants Res. 2011;5: 5360-5365.
9. Hernández-Ceruelos A, Madrigal-Santillán E, Morales-González J A, Chamorro-Cevallos G, Cassani-Galindo M, Madrigal-Bujaidar E. Antigenotoxic effect of Chamomilla recutita essential oil in mouse spermatogonial cells and determination of its antioxidant capacity in vitro. Int J Mol Sci. 2010;11:3793-3802.
10. Tavassoli S K, Mousavi S M Z, Emam-Djomeh A, Razavi S H. Chemical composition and evaluation of antimicrobial properties of Rosmarinus officinalis L. essential oil. Afr J Biotechnol. 2011;10:13895-13899.
11. Moreno S, Scheyer T, Romano C S, Vojnov A A. Antioxidant and antimicrobial activities of rosemary extracts linked to their polyphenol composition. Free Radical Res. 2006;40:223-231.
12. Kadri A, Zarai Z, Ben Chobba I, Békir A, N. Gharsallah M, Damak R, Gdoura R. Chemical constituents and antioxidant properties of Rosmarinus officinalis L. essential oil cultivated from South-Western Tunisia. J Med Plants Res. 2010;5:5999-6004.
13. Gross J. Pigment in vegetables: chlorophylls and carotenoids. Van Nostrand Reinhold, New York, 1991.
14. Valentovic P, Luxova M, Kolarovi L, Gasparikora O. Effect of osmotic stress on compatible solutes content, memberane stability and water relation in two maize cultivars. Plant Soil Environ. 2006;52:186-191.
15. British Pharmacopoeia commission. British Approved Names. A dictionary of Drug Names for Regulatory use in the UK, second ed. The Stationary Office Publisher .2002.
16. Mazandarani M, Majidi Z, Zarghami- Moghadam P, Abrodi M, Hemati H, Fathiazad F. Essential oil composition, total flavonoid, anthocyanin and antioxidant activity in different parts of Artemisia annua in two location (north of Iran). J Med Plants By-prod. 2012;1:13-21.
17. Bersuder P, Hole M, Smith,G. Antioxidants from a heated histidineglucose model system I: Investigation of the antioxidant role of histidine and isolation of antioxidants by high performance liquid chromatography. J Am Oil Chem Soc. 1998;75:181-187.
18. Baghalian K, Abdoshah S, Khalighi-Sigaroodi F, Paknejad F. Physiological and phytochemical response to drought stress of German chamomile (Matricaria recutita L.). Plant Physiol Biochem. 2011;49:201-207.
19. Bua-In S , Paisooksantivatana Y. Essential oil and antioxidant activity of Cassumunar ginger (Zingiberaceae: Zingiber montanum) collected from various parts of Thailand. Kasetsart J. 2009;43:467 – 475.
20. Baghalian K, Haghiry A, Naghavi M R, Mohammadi A. Effect of saline irrigation water on agronomical and phytochemical characters of chamomile (Matricaria recutita L.). Scientia Hort. 2008;116:437–441.
21. Smelcorevic A, Lamshoeft M, Radulovic N, Ilic D, Palic R. LC/MS analysis of the essential oils of Achillea millefolium and Achillea crithmifolia. Chromatographia 2010;71:113-116.
22. Shabih F, Farooqi A H A, Ansari S R and Sharma S. Effect of water stress on growth and essential oil metabolism in Cymbopogon martinii cultivars. J. Essent Oil Res. 1999;11:491-496.
23. Razmjoo K, Heydarizadeh P, Sabzalian M R. Effect of salinity and drought stresses on growth parameters and essential oil content of Matricaria chamomilla. Int J Agric Biol. 2008;10:451-454.
24. Houghton P J. Activity and constituents of Sage relevant to the potential treatment of symptoms of Alzheimer’s disease. Herbal Gram. 2004;61:38-54.