Chromosome doubling influences the morphological, physiological, biochemical and genetic traits related to essential oil biosynthesis of peppermint (Mentha piperita) under salinity stress

The flower industry depends on oil and fragrance, which is addressed in the current work. Different concentrations of NaCl (0, 250, 500, 1000, and 1500 ppm) were applied to Taif rose plants (Rosa damascena var. trigintipetala Dieck) to evaluate their effects on growth and essential oil content. Results clearly indicated the highest survival percentage (98.3%) was seen in untreated plants compared to plants under salinity stress. Moreover, increasing the NaCl levels induced an adverse effect on the growth parameters of Taif rose plants, while some essential oil contents were increased to the maximum degree of their tolerance to salinity stress. The extracted essential oils were analyzed using GC/MS. The essential oils of Taif rose plants treated with 500 ppm NaCl recorded the highest values of citronellol, geraniol and phenylethyl alcohol contents (16.56, 8.67 and 9.87%), respectively. NaCl at 250 ppm produced the highest values of heneicosane (13.12%), and then decreased to the lowest value (7.79%) with the increase of NaCl to 1500 NaCl, compared to the control and other NaCl levels. The current results could highlight the impact of salinity stress on Rosa damascena Miller var. trigintipetala Dieck for better economic and industrial applications.

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Is there any relationship between agronomic traits, soil properties and essential oil profile of peppermint ( Mentha piperita L.) treated by fertilizer treatments and irrigation regimes?

Annals of Applied Biology ◽

10.1111/aab.12707 ◽

2021 ◽

Author(s):

Hamed Keshavarz Mirzamohammadi ◽

Hamid Reza Tohidi‐Moghadam ◽

Seyed Jaber Hosseini

Keyword(s):

Essential Oil ◽

Soil Properties ◽

Agronomic Traits ◽

Mentha Piperita ◽

Irrigation Regimes

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The Investigation of Decontamination Effects of Ozone Gas on Microbial Load and Essential Oil of Several Medicinal Plants

Notulae Scientia Biologicae ◽

10.15835/nsb518297 ◽

2013 ◽

Vol 5 (1) ◽

pp. 34-38 ◽

Cited By ~ 1

Author(s):

Razieh VALI ASILL ◽

Majid AZIZI ◽

Maasome BAHREINI ◽

Hossein AROUIEE

Keyword(s):

Medicinal Plants ◽

Essential Oil ◽

Block Design ◽

Microbial Load ◽

Mentha Piperita ◽

Gas Treatment ◽

Zataria Multiflora ◽

Gas Concentration ◽

Mold And Yeast ◽

And Control

Today, Ozone as a disinfectant method, without putting on the harmful effects on human and plant products, it is alternative common methods for disinfection of plant material. The research as a factorial experiment was conducted on the basis of randomized complete block design with three replications and the effects of Ozone gas on decreasing the microbial load of some important medicinal plants include: Peppermint (Mentha piperita), Summer savory (Satureja hortensis), Indian valerian(Valeriana wallichii), Meliss (Melissa officinalis) and Iranian thyme (Zataria multiflora) were investigated. Medicinal plants leaves were treated with Ozone gas concentration 0.3, 0.6 and 0.9 ml/L at times of 10 and 30 then total count, coliform and mold and yeast of the samples were studied. The result showed that Ozone gas decreases microbial load of medicinal plants samples. But Ozone gas and Ozone gas in medicinal plants interaction effect had no effect on essential oil content. The lowest and the highest of microbial load were detected in samples treated with concentration of 0.9 ml/L of Ozone gas and control respectively. The highest and the lowest of microbial load were observed in Iranian thyme and Indian valerian respectively. Also result showed that Ozone gas treatment for 30 min had the greatest of effect in reducing the microbial load and 0.9 ml/L Ozone gas concentration had the lowest of microbial load. Results of this survey reflect that the use of Ozone as a method of disinfection for medicinal plants is a decontamination.

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