Comparison of essential oil composition of Carum copticum obtained by supercritical carbon dioxide extraction and hydrodistillation methods

Cytotoxicity and effect of extraction methods on the chemical composition of essential oils of Moringa oleifera seeds

“…Consequently, the emergence of new compounds in the oil extracts of both techniques may be linked to the partial or complete degradation of some unsaturated components during oil extraction from the seeds. Khajeh et al (2004) earlier reported that the degradation of unsaturated fats in oil through thermal and/or hydrolytic process is disadvantage of steam and solvent extraction methods. The microwave irradiation highly accelerated the extraction process without causing considerable changes in the volatile oil composition, a phenomenon already described by Pare and Belanger (1997) and Okoh et al (2010).…”

“…Essential oils from plant sources have been isolated by traditional distillation using water, steam, water and steam, organic solvents such as alcohol, ether, hexane, or their mixtures at different concentrations. Essential oils have also been isolated by hydrodistillation (Khajeh et al, 2004;Okoh and Afolayan, 2011) and supercritical carbon dioxide extraction (Khajeh et al, 2004). Steam and solvent distillation has resulted in degradation and loss of several volatile compounds in addition to the formation of new compounds due to the prolonged extraction period (Okoh and Afolayan, 2011).…”

“…Steam and solvent distillation has resulted in degradation and loss of several volatile compounds in addition to the formation of new compounds due to the prolonged extraction period (Okoh and Afolayan, 2011). The degradation of unsaturated components of oils through thermal and/or hydrolytic processes is a disadvantage of these methods (Khajeh et al, 2004). Brenes and Roura (2010) reported the use of essential oil as a good antioxidant substance in diets.…”

Use of Microwave-assisted Hydrodistillation to Extract the Essential Oils from Satureja hortensis and Satureja montana

“…The conventional method for the extraction of essential oils is hydrodistillation (HD), in which the essential oils are evaporated by heating a mixture of water and plant materials followed by the liquefaction of the vapors in a condenser. However, this method suffers from several disadvantages including losses in the volatile compounds, long extraction time and degradation of some components through thermal and/or hydrolytic effects (Khajeh et al, 2004;. Because of these shortcomings, newer approaches such as microwave-assisted extraction (MAE,) with or without the use of a solvent, have been developed.…”

In vitro Plantlet Regeneration from Callus Culture of Trachyspermum copticum

“…Trachyspermum copticum (Umbelliferae/Apiaceae) is an annual herbaceous, 30 -70 cm in height, which grows in eastern India, Iran, Pakistan, Afghanistan and Egypt, with white flowers and small brownish seeds (Khajeh et al 2004, SharifiRada et al 2013, Rasooli et al 2008. Some biological effects of T. copticum such as anti-inflammatory (Thangam et al 2003), antifungal (Rasooli et al 2008), antiviral (Hussein et al 2000), anti-nociceptive (Hejazian et al 2008), anti-filarial (Mathew et al 2008), antioxidant activity (Bera et al 2004), analgesic (Kaur et al 2009), antimicrobial (Sharifi-Rada et al 2013) and also several therapeutic effects including anti-tussive (Devasankaraiah 1974), anti-vomiting (Gilani et al 2005), digestive stimulant (Boskabady et al 2003), hepatoprotective (Srivastava et al 1999) and lactogenic (Shaukat et al 2004) have been documented.…”