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Valtcho D. Zheljazkov, Tess Astatkie, Barry O'Brocki and Ekaterina Jeliazkova

Anise ( Pimpinella anisum L.) is one of the most widely used plants in the world; anise seed is used as a spice ( Leela and Vipin, 2008 ), and anise seed essential oil has a number of applications as an aromatic agent in the food and liquor

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Valtcho D. Zheljazkov, Tess Astatkie, Thomas Horgan, Vicki Schlegel and Xavier Simonnet

Artemisia annua is a multiuse medicinal plant that contains several natural products such as essential oil and antioxidant flavonoids ( Ferreira et al., 2010 ) and is used currently as the only commercial source of artemisinin. Artemisinin is used

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Stephen S. Miller and Thomas Tworkoski

, including sodium chloride, LS, acetic acid, and soybean oil, have been found to have potential flower-thinning application for organic apple orchards ( Moran et al., 2000 ; Stopar, 2008 ). Tworkoski (2002) reported that an essential oil was effective as a

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Valtcho D. Zheljazkov, Tess Astatkie and Vicki Schlegel

( Kalies et al., 2010 ). The essential oil of ponderosa pine also has antimicrobial properties ( Himejima et al., 1992 ; Krauze-Baranowska et al., 2002 ). Ponderosa pine essential oil has a wide internal and international market. For example, Krauze

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Valtcho D. Zheljazkov, Tess Astatkie and Vicki Schlegel

Oregano ( Origanum vulgare L.) is a well-known medicinal, culinary, and essential oil plant that has been used as medicinal plant since ancient times in the Mediterranean region ( Stojanov, 1973 ). Indeed, the plant, the plant extract, and the

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Valtcho D. Zheljazkov, Tess Astatkie, Santosh Shiwakoti, Shital Poudyal, Thomas Horgan, Natasha Kovatcheva and Anna Dobreva

Garden sage ( Salvia officinalis L.) is a small herbaceous aromatic, medicinal, and culinary plant from the Lamiaceae family ( Pederson, 2000 ). Garden sage essential oil is extracted from the whole above-ground herbage and has numerous

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Valtcho D. Zheljazkov, Tess Astatkie and Ekaterina Jeliazkova

( Rumble and Gobeille, 2013 ; Scher, 2002 ). These animals play a major role in seed dispersal. Rocky Mountain juniper leaves contain a significant amount of strongly aromatic essential oil, which has been subject to some previous studies ( Adams and

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Victoria M. Anderson, Douglas D. Archbold, Robert L. Geneve, Dewayne L. Ingram and Krista L. Jacobsen

of calendula and other medicinal plants in a variety of contexts. Calendula grown for essential oil is often produced in semiarid and arid regions where agricultural water is limited (e.g., Khalid and Teixeira da Silva, 2010 ; Maleki et al., 2014

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Valtcho D. Zheljazkov and Tess Astatkie

., 2004 ; Clark, 1998 , Lawrence, 2007 ; Topalov and Zheljazkov, 1991 ; Zheljazkov et al., 1996a ). Japanese cornmint essential oil is rich in menthol and the species is currently the only commercial source for the production of natural menthol ( Clark

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Sara Atrash, Asghar Ramezanian, Majid Rahemi, Reza Mostofizadeh Ghalamfarsa and Elhadi Yahia

, oxygen and dissolved substances in food, and postpone their deterioration. Gum arabic is obtained from acacia branches especially Acacia senegal . A combination of gum arabic (10%) and cinnamon essential oil (4%) was effective for controlling papaya and