وثيقة

Essential oil composition and nutrient analysis of selected medicinal plants in Sultanate of Oman.

المعرف
DOI: 10.1016/S2222-1808(13)60095-X
مؤلف
المساهمون
الناشر
Elsevier.
ميلادي
2013-12
اللغة
الأنجليزية
الملخص الإنجليزي
Objective: To evaluate the nutrients and essential oils of five medicinal plants, Juniperus excelsa (J. excelsa), Dodonaea viscosa, Euryops pinifolius, Teucrium polium (T. polium), and Helianthemum lippii that were collected from Jabal Al Akhdar, Oman. Methods: Proximate parameters (moisture, dry matter, ash, crude fats, proteins, fibers, nitrogen, carbohydrates, and energy values) and nutrient analysis (K, Na, Ca, Fe, P, Mg etc.) were evaluated in the five medicinal plants using standard techniques. On the basis of these analysis, T. polium and J. excels were selected for essential oil analysis using a rapid solvent-free microwave extraction method and GC-MS. Results: The results showed that leaves of J. excelsa had highest proportion of crude fats, fibers and energy value while ash was highest in T. polium. J. excelsa was also rich in essential minerals such as calcium, magnesium, potassium and iron while the trace elements and heavy metals composition was marginal. A rapid solvent-free microwave extraction method to extract oil from medicinal plants species showed that only T. polium and J. excelsa yielded oil. The chemical composition of essential oils showed higher proportion of delta-3-carene, limonene, β-eudesmol, ledeneoxide (II), α-trans-bergamatene, linalyl acetate and germacrene. Conclusions: J. excelsa and T. polium are a good source of proximate, minerals and essential oils, which can be considered for healthy life besides their medicinal values.
ISSN
2222-1808
قالب العنصر
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