title: Quantitative determination of guggulsterone in existing natural populations of Commiphora wightii (Arn.) Bhandari for identification of germplasm having higher guggulsterone content.
abstract: Guggulsterone is an aromatic steroidal ketonic compound obtained from vertical rein ducts and canals of bark of Commiphora wightii (Arn.) Bhandari (Family - Burseraceae). Owing to its multifarious medicinal and therapeutic values as well as its various other significant bioactivities, guggulsterone has high demand in pharmaceutical, perfumery and incense industries. More and more pharmaceutical and perfumery industries are showing interest in guggulsterone, therefore, there is a need for its quantitative determination in existing natural populations of C. wightii. Identification of elite germplasm having higher guggulsterone content can be multiplied through conventional or biotechnological means. In the present study an effort was made to estimate two isoforms of guggulsterone i.e. E and Z guggulsterone in raw exudates of 75 accessions of C. wightii collected from three states of North-western India viz. Rajasthan (19 districts), Haryana (4 districts) and Gujarat (3 districts). Extracted steroid rich fraction from stem samples was fractionated using reverse-phase preparative High Performance Liquid Chromatography (HPLC) coupled with UV/VIS detector operating at wavelength of 250 nm. HPLC analysis of stem samples of wild as well as cultivated plants showed that the concentration of E and Z isomers as well as total guggulsterone was highest in Rajasthan, as compared to Haryana and Gujarat states. Highest concentration of E guggulsterone (487.45 μg/g) and Z guggulsterone (487.68 μg/g) was found in samples collected from Devikot (Jaisalmer) and Palana (Bikaner) respectively, the two hyper-arid regions of Rajasthan, India. Quantitative assay was presented on the basis of calibration curve obtained from a mixture of standard E and Z guggulsterones with different validatory parameters including linearity, selectivity and specificity, accuracy, auto-injector, flow-rate, recoveries, limit of detection and limit of quantification (as per norms of International conference of Hormonization). Present findings revealed the role of environmental factors on biosynthesis of guggulsterone isomers under natural conditions.
authors: Center for Plant Biotechnology, CCSHAU New Campus, Hisar, India ; Department of Bio and Nanotechnology, Guru Jambeshwar University of Science and Technology, Hisar, India.
authors: Alpana
authors: A
authors: Kulhari
authors: Center for Plant Biotechnology, CCSHAU New Campus, Hisar, India ; Department of Bio and Nanotechnology, Guru Jambeshwar University of Science and Technology, Hisar, India.
authors: Arun
authors: A
authors: Sheorayan
authors: Department of Bio and Nanotechnology, Guru Jambeshwar University of Science and Technology, Hisar, India.
authors: Ashok
authors: A
authors: Chaudhury
authors: Indian Agricultural Statistics Research Institute, Library Avenue, PUSA, New Delhi, India.
authors: Susheel
authors: S
authors: Sarkar
authors: Center for Plant Biotechnology, CCSHAU New Campus, Hisar, India ; Central Arid Zone Research Institute (CAZRI), Jodhpur, 342003 Rajasthan India.
authors: Rajwant K
authors: RK
authors: Kalia
keywords: Biochemical characterization; Burseraceae; Endangered species; Guggulsterone; Oleo-gum resin
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