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Denben B, Sripinyowanich S, Ruangthai R, Phoemsapthawee J. Beneficial Effects of Asparagus officinalis Extract Supplementation on Muscle Mass and Strength following Resistance Training and Detraining in Healthy Males. Sports (Basel) 2023; 11:175. [PMID: 37755852 PMCID: PMC10537221 DOI: 10.3390/sports11090175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/29/2023] [Accepted: 09/01/2023] [Indexed: 09/28/2023] Open
Abstract
The phytoecdysteroid 20-hydroxyecdysone (20E) is widely used for resistance training (RT). Little is known about its potential ergogenic value and detraining effects post-RT. This study aimed to examine the effects of 20E extracted from Asparagus officinalis (A. officinalis) on muscle strength and mass, as well as anabolic and catabolic hormones following RT and detraining. Twenty males, aged 20.1 ± 1.1 years, were matched and randomly assigned to consume double-blind supplements containing either a placebo (PLA) or 30 mg/day of 20E for 12 weeks of RT and detraining. Before and after RT and detraining, muscle strength and mass and anabolic and catabolic hormones were measured. This study found that 20E reduced cortisol levels significantly (p < 0.05) compared to the PLA, yet no effect was observed on muscle mass, strength, or anabolic hormones after RT. Subsequent to 6 weeks of detraining, the 20E demonstrated a lower percentage change in 1RM bench press/FFM than the PLA (p < 0.05). Compared to the PLA, detraining throughout the 12 weeks resulted in a lower percentage change in thigh (p < 0.05) and chest (p < 0.01) circumferences, as well as reduced cortisol levels (p < 0.01), with 20E. Our findings demonstrate that 20E supplementation is a promising way to maintain muscle mass and strength during detraining. Accordingly, 20E may prevent muscle mass and strength loss due to detraining by lowering catabolic hormone levels.
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Affiliation(s)
- Barakat Denben
- Department of Sports Science and Health, Faculty of Sports Science, Kasetsart University, Nakhon Pathom 73140, Thailand; (B.D.); (R.R.)
| | - Siriporn Sripinyowanich
- Department of Science and Bioinnovation, Faculty of Liberal Arts and Science, Kasetsart University, Nakhon Pathom 73140, Thailand;
| | - Ratree Ruangthai
- Department of Sports Science and Health, Faculty of Sports Science, Kasetsart University, Nakhon Pathom 73140, Thailand; (B.D.); (R.R.)
| | - Jatuporn Phoemsapthawee
- Department of Sports Science and Health, Faculty of Sports Science, Kasetsart University, Nakhon Pathom 73140, Thailand; (B.D.); (R.R.)
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Ecdysteroid Content and Therapeutic Activity in Elicited Spinach Accessions. PLANTS 2020; 9:plants9060727. [PMID: 32526841 PMCID: PMC7356866 DOI: 10.3390/plants9060727] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/24/2020] [Accepted: 06/03/2020] [Indexed: 11/16/2022]
Abstract
While spinach is an established nutritionally important crop, its medicinal value is not as well known. Spinach is rich in ecdysteroids, insect hormone analogs with a number of medicinal properties including anti-oxidative, anti-inflammatory and even anabolic activity. However, the potential of spinach as a medicinal plant has not yet been developed. In this study, the ecdysteroid content of spinach was optimized to increase its therapeutic value. Spinach seeds from various sources were grown under controlled hydroponic conditions and analyzed for ecdysteroid content and related anabolic activity. Variations in ecdysteroid content and the related anabolic activity were observed among spinach accessions. A selected variety, Spinacia oleracea cv. Turkey, was exposed to various physical and chemical elicitors to increase and stabilize ecdysteroid content. A number of elicitors, including methyl salicylate and mechanical damage, significantly increased ecdysteroid content and anabolic activity 24 h after exposure. The effect was transient and disappeared 48 h thereafter. Further work is needed to identify the most suitable germplasm and elicitation conditions for optimal ecdysteroid content.
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Kapoor M, Gupta RC, Mawal P, Pradhan SK. Determination of sugar biomarkers in methanol root extracts of Asparagusspecies by high-performance thin-layer chromatography. JPC-J PLANAR CHROMAT 2019. [DOI: 10.1556/1006.2019.32.2.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Manish Kapoor
- Department of Botany, Punjabi University Patiala, Punjab 147002, India
| | | | - Pooja Mawal
- Department of Botany, Punjabi University Patiala, Punjab 147002, India
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Di Gioia F, Petropoulos SA. Phytoestrogens, phytosteroids and saponins in vegetables: Biosynthesis, functions, health effects and practical applications. ADVANCES IN FOOD AND NUTRITION RESEARCH 2019; 90:351-421. [PMID: 31445599 DOI: 10.1016/bs.afnr.2019.02.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Phytoestrogens are non-steroidal secondary metabolites with similarities in structure and biological activities with human estrogens divided into various classes of compounds, including lignans, isoflavones, ellagitannins, coumestans and stilbenes. Similarly, phytosteroids are steroidal compounds of plant origin which have estrogenic effects and can act as agonists, antagonists, or have a mixed agonistic/antagonistic activity to animal steroid receptors. On the other hand, saponins are widely distributed plant glucosides divided into triterpenoid and steroidal saponins that contribute to plant defense mechanism against herbivores. They present a great variation from a structural point of view, including compounds from different classes. In this chapter, the main vegetable sources of these compounds will be presented, while details regarding their biosynthesis and plant functions will be also discussed. Moreover, considering the significant bioactive properties that these compounds exhibit, special focus will be given on their health effects, either beneficial or adverse. The practical applications of these compounds in agriculture and phytomedicine will be also demonstrated, as well as the future prospects for related research.
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Affiliation(s)
- Francesco Di Gioia
- Department of Plant Science, Pennsylvania State University, University Park, PA, United States
| | - Spyridon A Petropoulos
- Department of Crop Production and Rural Environment, University of Thessaly, Volos, Greece.
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Acemosin- a cytotoxic 20-norsteroid from Asparagus racemosus. Fitoterapia 2018; 131:221-224. [PMID: 30414875 DOI: 10.1016/j.fitote.2018.11.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 10/31/2018] [Accepted: 11/06/2018] [Indexed: 11/20/2022]
Abstract
A novel cytotoxic 20-norsteroid with twenty-six carbon atoms named acemosin (1) was isolated and structural characterized together with two known compounds, asparacosin A (2) and stigmasterol (3) from the roots of Asparagus racemosus. Their structures were elucidated by a combination of 2D NMR, HR-MS and X-ray crystallographic analyses. Acemosin (1) possesses an unprecedented carbon skeleton, where the methyl group at C-20 is absent. Acemosin shows moderate cytotoxicity against HepG2 cancer cell line with its IC50 value of 87.3 μg/mL.
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Li D, Zhang Y, Cui Z, He L, Chen W, Meng Q, Ren L. Effects of Phytoecdysteroids (PEDS) Extracted from Cyanotis arachnoidea on Rumen Fermentation, Enzyme Activity and Microbial Efficiency in a Continuous-Culture System. PLoS One 2016; 11:e0153584. [PMID: 27082647 PMCID: PMC4833307 DOI: 10.1371/journal.pone.0153584] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 03/31/2016] [Indexed: 11/19/2022] Open
Abstract
The objective of this study was to evaluate the effects of supplementation of phytoecdysteroids (PEDS) extracted from Cyanotis arachnoidea on rumen fermentation, enzymes activity and microbial efficiency in a dual flow continuous-culture system. A single-factor experimental design was used with twelve fermenters in 4 groups with 3 replicates each. Fermenters were incubated for a total of 7 days that included first 4 days for adaptation and last 3 days for sampling. PEDS was added at levels of zero (as control), 5, 10, and 15 mg/g of the substrate (DM). The results showed that increasing supplementation levels of PEDS resulted in incremental digestibility of dry matter (DMD) (quadratic, P = 0.001) and organic matter (OMD) (quadratic, P = 0.031), but unchanged digestibility of neutral detergent fiber (NDFD), crude protein (CPD) and acid detergent acid (ADFD). As supplementation levels of PEDS increased, there were decreased response in the concentration of ammonia nitrogen (NH3-N) (linear, P = 0.015) and increased response in molar proportions of butyrate (linear, P = 0.004), but unchanged response in total volatile fatty acid (TVFA) and the molar proportion of acetate and propionate, respectively. Increasing PEDS supplementation levels decreased the ratio of acetate to propionate (linear, P = 0.038), suggesting an alteration of rumen fermentation pattern occurring due to PEDS supplementation in the diet. Supplementation of PEDS significantly increased activities of glutamate dehydrogenase (quadratic, P = 0.001), alanine dehydrogenase (quadratic, P = 0.004), glutamate synthase (linear, P = 0.038), glutamine synthetase (quadratic, P = 0.011), respectively. There were no discernible differences in the activity of carboxymethyl cellulose (CMCase), xylanase and protease regardless of the treatments. The daily production of microbial nitrogen (linear, P = 0.002) and microbial efficiency (MOEEF) (linear, P = 0.001) increased linearly as supplementation levels of PEDS increased. The decreased response of fluid NH3-N and the increased response of MN indicated that PEDS positively increased the synthesis of microbial proteins.
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Affiliation(s)
- Deyong Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Yawei Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Zhenliang Cui
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Liwen He
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Wanbao Chen
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Qingxiang Meng
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Liping Ren
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
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Bansode FW, Arya KR, Singh RK, Narender T. Dose-dependent effects of Asparagus adscendens root (AARR) extract on the anabolic, reproductive, and sexual behavioral activity in rats. PHARMACEUTICAL BIOLOGY 2015; 53:192-200. [PMID: 24963947 DOI: 10.3109/13880209.2014.913295] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
CONTEXT Asparagus adscendens Roxb (Liliaceae) has a promising role in modulation of various disorders such as leucorrhea, diarrhea, dysentery, diabetes, senile pruritus, asthma, fatigue antifilarial, antifungal, spermatorrhea, and sexual debility/seminal weakness. OBJECTIVE To investigate dose-dependent effects of Asparagus adscendens root (AARR) extract on anabolic, reproductive, and sexual behavioral activities with a view to emphasize the pharmacological basis. MATERIALS AND METHODS Rats were divided into five groups: Group I (control), Groups II-IV (AARR treated, 100, 200, and 300 mg/kg body weight, respectively, orally for 30 d) and Group V (standard control treated with sildenafil citrate, 5 mg/kg body weight). On day 31, copulatory and potency tests were carried out and an autopsy was done to study the reproductive function, namely, organ weights, spermatogenesis, daily sperm production rate (DSP), and epididymal sperm counts (ESC). RESULTS AARR extract (200 and 300 mg/kg doses) caused a significant increase in body (p < 0.02 and p < 0.001) and testes (p < 0.01 and p < 0.001, control versus treated) weights. Reproductive activity showed significant a increase in testicular tubular diameter (p < 0.005-0.001), the number of round/elongated spermatids (p < 0.02-0.001), DSP, and ESC (p < 0.05-0.001). The sexual behavioral parameters including mounting/intromission frequency (13.0 ± 0.32/11.8 ± 0.37 and 18.2 ± 2.12/14.8 ± 1.15 versus 11.2 ± 0.66/8.2 ± 1.16), ejaculation latency (187.4 ± 1.91 and 191.4 ± 1.72 versus 180.0 ± 3.47), and penile erections (13.5 ± 0.3 and 14.5 ± 0.5 versus 8.5 ± 0.2) showed a significant increase at 200 and 300 mg/kg doses (ED50 300 mg/kg), but less than a standard control. In contrast, 100 mg/kg dose caused an increase (p < 0.005) in mounting latency only. CONCLUSION These results indicate increased anabolic, reproductive, and sexual activities by AARR treatment. Thus, the data provide scientific rationale for its traditional use as an aphrodisiac or for sexual disorders.
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Mao X, Tang L, Tan T, Wan Y. Determination of plant growth regulators in pears by microwave-assisted extraction and liquid chromatography with electrospray ionization mass spectrometry. J Sep Sci 2014; 37:1352-8. [DOI: 10.1002/jssc.201301291] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 02/23/2014] [Accepted: 03/12/2014] [Indexed: 01/04/2023]
Affiliation(s)
- Xuejin Mao
- State Key Laboratory of Food Science and Technology; Nanchang University; Nanchang Jiangxi P.R. China
| | - Lijuan Tang
- Institute of Forensic Science; Guilin Security Bureau; Guilin Guangxi P.R. China
| | - Ting Tan
- Center of Analysis and Testing; Nanchang University; Nanchang Jiangxi P.R. China
| | - Yiqun Wan
- State Key Laboratory of Food Science and Technology; Nanchang University; Nanchang Jiangxi P.R. China
- Center of Analysis and Testing; Nanchang University; Nanchang Jiangxi P.R. China
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Sun YN, Qin XY, Lv YK, Li SZ, Wei C. Simultaneous Determination of Five Phytohormones in Mungbean Sprouts of China by Micellar Electrokinetic Chromatography. J Chromatogr Sci 2013; 52:725-9. [DOI: 10.1093/chromsci/bmt102] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Ghalib RM, Hashim R, Sulaiman O, Mehdi SH, Valkonen A, Rissanen K, Trifunović SR, Khadeer Ahamed MB, Majid AMSA, Kawamura F. A novel caryophyllene type sesquiterpene lactone from Asparagus falcatus (Linn.); structure elucidation and anti-angiogenic activity on HUVECs. Eur J Med Chem 2011; 47:601-7. [PMID: 22074984 DOI: 10.1016/j.ejmech.2011.10.037] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2011] [Revised: 10/07/2011] [Accepted: 10/18/2011] [Indexed: 11/17/2022]
Abstract
In this study the novel caryophyllene type sesquiterpene lactone (aspfalcolide) has been isolated from the leaves of Asparagus falcatus (Linn.) and characterized by IR, 1D NMR, 2D NMR, EI-MS, HR-ESI-MS and X-ray single crystal diffraction analysis. The aspfalcolide crystallizes in the orthorhombic space group P2(1)2(1)2(1) with a = 6.37360(10), b = 7.6890(2), c = 27.3281(6) Å, α = β = γ = 90(°) and Z = 4. One intermolecular O-H⋯O hydrogen bond enforces these natural molecules to form infinite chains through the crystal. Aspfalcolide was screened for its anti-angiogenic activity in human umbilical vein endothelial cells (HUVECs) and the result showed the remarkable inhibitory effect of aspfalcolide on the proliferation (IC(50) 1.82 μM), migration and tube formation of HUVECs.
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Affiliation(s)
- Raza Murad Ghalib
- School of Industrial Technology, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia.
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Guo XF, Zhou Y, Tu FQ, Xiong XJ, Wang H, Zhang HS. Determination of phytohormones in plant samples based on the precolumn fluorescent derivatization with 1,3,5,7-tetramethyl-8-aminozide-difluoroboradiaza-s
-indacene by HPLC for routine use. J Sep Sci 2011; 34:789-95. [DOI: 10.1002/jssc.201000865] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Revised: 01/16/2011] [Accepted: 01/17/2011] [Indexed: 11/06/2022]
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Hewawasam RP, Jayatilaka KA, Pathirana C. Effect ofAsparagus falcatuson Acetaminophen Toxicity in Mice: A Comparison of Antioxidative Effect WithN-Acetyl Cysteine. J Diet Suppl 2009; 5:1-19. [DOI: 10.1080/19390210802328933] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Wu JJ, Cheng KW, Wang H, Ye WC, Li ETS, Wang M. Simultaneous determination of three phytoecdysteroids in the roots of four medicinal plants from the genus Asparagus by HPLC. PHYTOCHEMICAL ANALYSIS : PCA 2009; 20:58-63. [PMID: 19086092 DOI: 10.1002/pca.1097] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
INTRODUCTION The genus Asparagus is known to contain phytoecdysteroids that have been shown to exhibit many beneficial pharmacological properties such as improving lipid metabolism, modulating immunological responses, etc. Currently, knowledge about the contents of phytoecdysteroids in the roots of Asparagus species is limited and HPLC methods for their analyses are unsatisfactory. OBJECTIVE To develop an HPLC method for the simultaneous determination of three phytoecdysteroids, 20-hydroxyecdysone, ecdysone and ajugasterone C, in the roots of four Asparagus species. METHODOLOGY Reference standards of phytoecdysteroids were isolated from the roots of Asparagus filicinus by open column chromatography. HPLC analysis was performed on an Alltima C(18) column with gradient elution using aqueous 0.2% formic acid solution containing 0.2% isopropanol and acetonitrile. RESULTS All calibration curves showed good linear correlation coefficients (r(2) > 0.9994) within the tested ranges. Limits of detection (S/N = 3) and quantification (S/N = 10) for the three analytes were less than 2.7 and 9.9 ng, respectively. Intra- and inter-day RSDs of retention times and peak areas were less than 2.61%. The recoveries were between 93.2 and 107.5%, and the RSDs were less than 3.83% for the root samples of A. filicinus. CONCLUSION The HPLC method established is appropriate for the efficient quantitative and qualitative analyses of important phytoecdysteroids in Asparagus species. This study showed that A. filicinus is rich in phytoecdysteroids, especially 20-hydroxyecdysone. However the three studied phytoecdysteroids were not detected in A. cochinchinensis, A. officinalis and A. setaceus.
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Affiliation(s)
- Jia-Jun Wu
- Department of Phytochemistry, China Pharmaceutical University, Nanjing 210038, People's Republic of China
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Sautour M, Canon F, Miyamoto T, Dongmo A, Lacaille-Dubois MA. A new ecdysteroid and other constituents from two Dioscorea species. BIOCHEM SYST ECOL 2008. [DOI: 10.1016/j.bse.2008.03.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Wang S, Jia L, Xing D, Chen D, Zhao J. On-line concentration and pressurized capillary electrochromatographic analysis of phytohormones in corn. J Sep Sci 2008; 31:859-64. [DOI: 10.1002/jssc.200700519] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Bopana N, Saxena S. Asparagus racemosus--ethnopharmacological evaluation and conservation needs. JOURNAL OF ETHNOPHARMACOLOGY 2007; 110:1-15. [PMID: 17240097 DOI: 10.1016/j.jep.2007.01.001] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2006] [Revised: 01/02/2007] [Accepted: 01/02/2007] [Indexed: 05/07/2023]
Abstract
Asparagus racemosus Willd. (Asparagaceae) is an important medicinal plant of tropical and subtropical India. Its medicinal usage has been reported in the Indian and British Pharmacopoeias and in traditional systems of medicine such as Ayurveda, Unani and Siddha. Asparagus racemosus is mainly known for its phytoestrogenic properties. With an increasing realization that hormone replacement therapy with synthetic oestrogens is neither as safe nor as effective as previously envisaged, the interest in plant-derived oestrogens has increased tremendously making Asparagus racemosus particularly important. The plant has been shown to aid in the treatment of neurodegenerative disorders and in alcohol abstinence-induced withdrawal symptoms. In Ayurveda, Asparagus racemosus has been described as a rasayana herb and has been used extensively as an adaptogen to increase the non-specific resistance of organisms against a variety of stresses. Besides use in the treatment of diarrhoea and dysentery, the plant also has potent antioxidant, immunostimulant, anti-dyspepsia and antitussive effects. Due to its multiple uses, the demand for Asparagus racemosus is constantly on the rise; however, the supply is rather erratic and inadequate. Destructive harvesting, combined with habitat destruction in the form of deforestation has aggravated the problem. The plant is now considered 'endangered' in its natural habitat. Therefore, the need for conservation of this plant is crucial. This article aims to evaluate the biological activities, pharmacological applications and clinical studies of Asparagus racemosus in an attempt to provide a direction for further research. Keeping in mind the fact that it is the active principle that imparts medicinal value to a plant; consistency in quality and quantity needs to be maintained to ensure uniform drug efficacy. Also, deliberate or inadvertent adulteration needs to be dealt with at an early stage. To overcome these prevalent problems, the availability of genetically superior and uniform planting material is essential. This can be obtained by a combination of various biotechnological tools involving chemoprofiling, tissue culture and use of molecular markers. Along with the application of these methods, proper agro-techniques and adequate marketing opportunities would encourage cultivation of Asparagus racemosus and thereby contribute to its conservation. There are also several gaps in the existing literature with regard to the pharmacological actions of Asparagus racemosus. These include an incomplete understanding about the interaction/synergy between Asparagus racemosus and other plant constituents in polyherbal formulations; lack of information regarding the mode of action of the various constituents of Asparagus racemosus, etc. Consequently, we have suggested a 'systems biology' approach that includes metabolite profiling, metabolic fingerprinting, metabolite target analysis and metabonomics to enable further research.
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Affiliation(s)
- Nishritha Bopana
- TERI University, Darbari Seth Block, Habitat Place, Lodhi Road, New Delhi 110003, India
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Mohamed NR, Elmegeed GA, Younis M. Studies on Organophosphorus Compounds VII1,2: Transformation of Steroidal Ketones with Lawesson's Reagent into Thioxo and Heterofused Steroids. Results of Antimicrobial and Antifungal Activity. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426500390228693] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Jiang TF, Lv ZH, Wang YH, Yue ME. Separation of Plant Hormones from Biofertilizer by Capillary Electrophoresis Using a Capillary Coated Dynamically with Polycationic Polymers. ANAL SCI 2006; 22:811-4. [PMID: 16772676 DOI: 10.2116/analsci.22.811] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A new, simple and rapid capillary electrophoresis (CE) method, using hexadimethrine bromide (HDB) as electroosmotic flow (EOF) modifier, was developed for the identification and quantitative determination of four plant hormones, including gibberellin A3 (GA3), indole-3-acetic acid (IAA), alpha-naphthaleneacetic acid (NAA) and 4-chlorophenoxyacetic acid (4-CA). The optimum separation was achieved with 20 mM borate buffer at pH 10.00 containing 0.005% (w/v) of HDB. The applied voltage was -25 kV and the capillary temperature was kept constant at 25 degrees C. Salicylic acid was used as internal standard for quantification. The calibration dependencies exhibited good linearity within the ratios of the concentrations of standard samples and internal standard and the ratios of the peak areas of samples and internal standard. The correlation coefficients were from 0.9952 to 0.9997. The relative standard deviations of migration times and peak areas were < 1.93 and 6.84%, respectively. The effects of buffer pH, the concentration of HDB and the voltage on the resolution were studied systematically. By this method, the contents of plant hormone in biofertilizer were successfully determined within 7 min, with satisfactory repeatability and recovery.
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Affiliation(s)
- Ting-Fu Jiang
- Marine Drug and Food Institute, Ocean University of China, Qingdao, P. R. China
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Thibout E, Pierre D, Mondy N, Lecomte C, Biémont JC, Auger J. Host-plant finding by the asparagus fly, Plioreocepta poeciloptera (Diptera: Tephritidae), a monophagous, monovoltine tephritid. BULLETIN OF ENTOMOLOGICAL RESEARCH 2005; 95:393-9. [PMID: 16197559 DOI: 10.1079/ber2005370] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The role of various olfactory and visual stimuli was studied in host-plant finding by the asparagus fly Plioreocepta poeciloptera (Schrank), a monophagous monovoltine tephritid causing serious damage to asparagus spears. Volatiles released by asparagus plants were extracted by diethyl ether after cryotrapping concentration, and identified by gas chromatography-mass spectrometry. Twelve of the 13 compounds identified were tested using electroantennography to measure the response of the fly. Behavioural response was analysed using two different flight tunnels according to circadian rhythm, age and sex of adults, presence of the plant and of different coloured lures, presence of a male congener, or exposure to four pure asparagus odour compounds that elicited responses in electroantennography, i.e. hexanal, (E)-2-hexenal, (Z)-2-hexen-1-ol and decanal. Data showed that males locate the host plant more quickly than females. Females are attracted mainly by the blend of plant odour and male pheromone. Both sexes respond to a complex of stimuli only during the afternoon. These findings will be helpful in developing new and effective approaches to control this pest insect.
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Affiliation(s)
- E Thibout
- IRBI, UMR CNRS 6035, Université F. Rabelais, Faculté des Sciences, Parc Grandmont, 37200 Tours, France
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Liu BF, Zhong XH, Lu YT. Analysis of plant hormones in tobacco flowers by micellar electrokinetic capillary chromatography coupled with on-line large volume sample stacking. J Chromatogr A 2002; 945:257-65. [PMID: 11860141 DOI: 10.1016/s0021-9673(01)01503-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Micellar electrokinetic capillary chromatography was developed to analyze plant hormones including gibberellic acid, abscisic acid, indole-3-acetic acid, alpha-naphthaleneacetic acid, 2,4-dichlorophenoxyacetic acid, kinetin-6-furfurylaminopurine and N6-benzyladenine. The influences of some crucial parameters including buffer concentration, pH value, micelle concentration and applied voltage on electrophoretic separation were investigated. Under optimum conditions (50 mM borate as the running buffer containing 50 mM sodium dodecylsulfate, pH 8.0; separation voltage: -15 kV; injection: hydrodynamic injection, 5 s at 50 mbar; temperature: 25 degrees C), a complete separation of seven plant hormones was accomplished within 30 min. Emphasis was placed on improving detection sensitivity in order to detect small amounts of hormones in plant tissue. Multiple wavelength detection and expanded bubble cell capillary were used with enrichment factors of 2 and 3, respectively. In addition, an on-line concentration method of large volume sample stacking was designed. Enrichment factors of up to approximately 10-600 were achieved for these hormones with detection limits down to 0.306 ng/ml. The method was successfully applied to analyzing abscisic acid in flowers of transgenic tobacco.
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Affiliation(s)
- Bi-Feng Liu
- Key Laboratory of MOE for Plant Developmental Biology, Center for Developmental Biology, College of Life Science, Wuhan University, PR China
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Dinan L, Whiting P, Savchenko T. Phytoecdysteroids in seeds of Lloydia serotina (Liliaceae). BIOCHEM SYST ECOL 2001; 29:923-928. [PMID: 11445293 DOI: 10.1016/s0305-1978(01)00021-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Seeds of a number of species in the Liliaceae (sensu Brummitt, 1992) were examined for the presence of ecdysteroid agonist and antagonist activities. No species were antagonistic to 20-hydroxyecdysone action on the ecdysteroid-responsive Drosophila melanogaster B(II) cell line and only one extract, that of Lloydia serotina, was agonistic. This activity is attributable to the presence of phytoecdysteroids as detected by ecdysteroid-specific radioimmunoassay and the agonist version of the B(II) bioassay. HPLC in conjunction with radioimmunoassay and bioassay have been used to determine the ecdysteroid profile. The major ecdysteroids present are identified as 20-hydroxyecdysone and polypodine B (5beta,20-dihydroxyecdysone).
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Affiliation(s)
- L Dinan
- Department of Biological Sciences, University of Exeter, Hatherly Laboratories, Prince of Wales Road, Exeter, EX4 4PS, Devon, UK
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