Publications by authors named "Ambika Poudel"

As part of our continuing interest in the essential oil compositions of gymnosperms, particularly the distribution of chiral terpenoids, we have obtained the foliar essential oils of (two samples), (three samples), and (six samples) from locations in the state of Oregon, USA. The essential oils were obtained via hydrodistillation and analyzed by gas chromatographic techniques, including chiral gas chromatography-mass spectrometry. The major components in foliar essential oil were limonene (27.

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As part of our interest in the volatile phytoconstituents of aromatic plants of the Great Basin, we have obtained essential oils of (three samples), (12 samples), and (six samples) from the Owyhee Mountains of southwestern Idaho. Gas chromatographic analyses (GC-MS, GC-FID, and chiral GC-MS) were carried out on each essential oil sample. The essential oils of were dominated by monoterpene hydrocarbons, including α-pinene (36.

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Blue lotus, also known as (Nymphaeaceae), is a water lily found globally in lakes and rivers. With its long history of use in Egyptian culture, blue lotus has been associated with spiritual rituals and health benefits. Nowadays, blue lotus is still consumed as a tea or tincture to induce relaxation and heightened spiritual awareness.

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Frankincense is an oleo-gum-resin collected from wild spp. trees, and widely used in perfumery, cosmetics, aromatherapy, incense, and other industries. , growing in Ethiopia, Somalia, and Kenya, is one source of frankincense, but is little-commercialized compared to species such as , , and .

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is an arid lands herb that has been used in Native American traditional medicine, is a potential source of pharmacologically active compounds, and has been explored as a source of biofuel. The purpose of this work was to examine the essential oil composition of from southern Idaho. Gas chromatographic methods revealed the essential oil of var.

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Conifers are of great economic value in terms of lumber production, important for construction and other uses such as pulp and paper. They are also important sources of essential oils. Conifer species have been vital to the ethnobotany and traditional herbal medicine of many different Native American groups.

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Cymbopogon species essential oil (EO) carries significant importance in pharmaceuticals, aromatherapy, food, etc. The chemical compositions of Cymbopogon spp. Viz.

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is a critically endangered species of frankincense tree, restricted to a small area of the Shabelle river valley in southern Ethiopia. It has only been recorded from two botanical collecting trips, in 1972 and 2006, with no indication of the abundance, threats, or population status of the trees, and it was listed on the IUCN Red List of Endangered Species as "Critically Endangered" in 2018. More recent expeditions, in 2019 and 2021, were not able to locate the species, raising concerns about its continued survival.

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Sweet Birch () has several economic and medicinal uses. Very little is known about the chemical composition of . In this study, the volatile compositions of the bark of from authentic and commercial sources were assessed by gas chromatography-mass spectrometry (GC-MS) and gas chromatography-flame ionization detection (GC-FID).

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Virginia mountain mint () is a peppermint-flavored aromatic herb of the Lamiaceae and is mainly used for culinary, medicinal, aromatic, and ornamental purposes. North Alabama's climate is conducive to growing mint for essential oils used in culinary, confectionery, and medicinal purposes. There is, however, a need for varieties of that can be adapted and easily grown for production in North Alabama.

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Background: Patan Academy of Health Sciences intended to implement problem based learning in proficiency certificate level nursing program who have just completed grade 10. Presently in Nepal, the available literature on use of problem based learning as teaching learning methods is limited to undergraduate medicine who have passed 10+2 or equivalent. It was conducted to measure the perception of students and faculty on problem based learning in nursing program.

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Turmeric ( L.) is an important spice, particularly is Asian cuisine, and is also used in traditional herbal medicine. Curcuminoids are the main bioactive agents in turmeric, but turmeric essential oils also contain health benefits.

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Frankincense, the oleo-gum resin of Boswellia species, has been an important element of traditional medicine for thousands of years. Frankincense is still used for oral hygiene, to treat wounds, and for its calming effects. Different Boswellia species show different chemical profiles, and B.

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The essential oil from the aerial parts of Blumea lacera collected from Biratnagar, Nepal, has been obtained by hydrodistillation and analyzed by gas chromatography - mass spectrometry. The major component from the oil, (Z)-lachnophyllum ester, was isolated by preparative silica gel chromatography. B.

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The essential oil from the dried rhizome of Nardostachys grandiflora, collected from Jaljale, Nepal, was obtained in 1.4% yield, and a total of 72 compounds were identified constituting 93.8% of the essential oil.

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This work examines the biological activity of essential oils of Cinnamomum camphora leaves, C. glaucescens fruit, and C. tamala root from Nepal.

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Four essential oils from the leaf (P23) and rhizomes (P19, P22, P24) of Acorus calamus L., collected from various parts of Nepal, were obtained by hydrodistillation and analyzed by GC-MS. From a total of 61 peaks, 57 compounds were identified among the four essential oils accounting for 94.

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