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Suphiya Khan - One of the best experts on this subject based on the ideXlab platform.
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green synthesized nanoadditives in Jojoba biodiesel diesel blends an improvement of engine performance and emission
Renewable Energy, 2020Co-Authors: Swati Agarwal, Sonu Kumari, Anurag Mudgal, Suphiya KhanAbstract:Abstract During past five decades, the energy requirement has been mounting steadily and researchers believe that this will increase with time. Therefore, the amount of harmful emission gases will increase and cause global warming. In this study, we have green synthesized Fe3O4 NPs from waste Ziziphus mauritiana seeds and utilized these NPs to improve the Jojoba methyl ester blend properties. The chemical and physical properties of Jojoba methyl ester have indicated improved potential for using it as an alternative fuel. Firstly, blending of Jojoba methyl ester with diesel has proved an effective method for reducing the engine problems associated with the high viscosity of Jojoba oil. On the basis of viscosity and calorific value, B15 (1.95 cp and 42.62 MJ/kg) found to be the best blend which was further modified using Fe3O4 NPs as nanoadditives in different concentration (NP10, NP20, NP30, NP40, and NP50). Secondly, engine performance and harmful gas emissions were evaluated for the use of modified Jojoba methyl esters with Fe3O4 NPs. The results showed continuous increase in generated power, brake thermal efficiency and decreased concentration of released NOx, CO, HC and soot showed the suitability of Fe3O4 NPs additive Jojoba methyl ester blend as an alternative fuel for diesel engine.
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genetic diversity of 18 male and 18 female accessions of Jojoba simmondsia chinensis link schneider using est ssrs
Meta Gene, 2019Co-Authors: Swati Agarwal, Suphiya KhanAbstract:Abstract Jojoba [Simmondsia chinensis (Link) Schneider] is native shrub of northern Mexico and the southwestern United States, commercially utilized for the liquid wax stored in their seeds. It has polyploidy, dioecious, perennial producing, highly heterozygous individual seeds. That is a fact which creates a great mixing of genes when the pollens are blown long distances for fertilization. Genetic diversity is the main source of variability in any crop improvement program. The present study is aimed at evaluating the genetic variation of 18 male and 18 female Jojoba accessions using 22 genome-wide SSR markers. Genotyping of 36 Jojoba accessions produced a total of 31 alleles in male and 28 alleles in female accessions with an average value of 0.344 and 0.311 for male and female accessions, respectively. Primer BA00213364 showed highest polymorphism information content (PIC) and BA00213368 showed the highest resolving power (Rp) for both male and female accessions in comparison to other primers. Two accessions “879-154 and 40” showed diverse genetic makeup and are placed in a separate Operational Taxonomic Unit (OTU) in comparison to others. The resultant diverse accessions and polymorphic EST-SSRs in the present study will be used for the identification of economically important traits to be utilized in future molecular breeding programmes of Jojoba.
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comparative fatty acid and trace elemental analysis identified the best raw material of Jojoba simmondsia chinensis for commercial applications
Annals of Agricultural Sciences, 2018Co-Authors: Swati Agarwal, Deepti Arya, Suphiya KhanAbstract:Abstract Jojoba (Simmondsia chinensis) is an oil yielding desert shrub popularly known as desert gold. Jojoba based industries, mainly works in two sectors: lubricant and cosmetics. The high cost of Jojoba products could be lowered down by selecting the best raw material. So, we made our hypothesis to select the best raw material separately for cosmetics and lubricant industries. The purpose of the study was the comprehensive comparative phytochemical characterization of fifteen different accessions of Jojoba oil using Spectrophotometer, Atomic Absorption Spectroscopy (AAS) and Gas Chromatography – Mass Spectrometry (GC–MS). GC and MS identified 10 fatty acids (myristic, palmitic, palmitoleic, oleic, linoleic, arachidic, 11-eicosenoic, heneicosanoic, tricosanoic and nervonic acid s ). Differences were found in most of the parameters and correlation analysis was done to compare all biochemical traits with respect to oil yield. Accessions Q-104 was found to be the best for cosmetics, as it shows a high concentration of fatty acids (linoleic, oleic, arachidic, 11-eicosenoic and palmitic acids) together with good oil yield. Accessions Clone-64 was found to be the best for the lubricant purpose as it showed the good oil yield, lower elements, and phosphorus content. We concluded that accession Q-104 and Clone-64 could be used commercially for cosmetic and lubricant industry, respectively. Further, these accessions could be used for the genetic breeding program.
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Comparative fatty acid and trace elemental analysis identified the best raw material of Jojoba (Simmondsia chinensis) for commercial applications
'Elsevier BV', 2018Co-Authors: Swati Agarwal, Deepti Arya, Suphiya KhanAbstract:Jojoba (Simmondsia chinensis) is an oil yielding desert shrub popularly known as desert gold. Jojoba based industries, mainly works in two sectors: lubricant and cosmetics. The high cost of Jojoba products could be lowered down by selecting the best raw material. So, we made our hypothesis to select the best raw material separately for cosmetics and lubricant industries. The purpose of the study was the comprehensive comparative phytochemical characterization of fifteen different accessions of Jojoba oil using Spectrophotometer, Atomic Absorption Spectroscopy (AAS) and Gas Chromatography – Mass Spectrometry (GC–MS). GC and MS identified 10 fatty acids (myristic, palmitic, palmitoleic, oleic, linoleic, arachidic, 11-eicosenoic, heneicosanoic, tricosanoic and nervonic acids). Differences were found in most of the parameters and correlation analysis was done to compare all biochemical traits with respect to oil yield. Accessions Q-104 was found to be the best for cosmetics, as it shows a high concentration of fatty acids (linoleic, oleic, arachidic, 11-eicosenoic and palmitic acids) together with good oil yield. Accessions Clone-64 was found to be the best for the lubricant purpose as it showed the good oil yield, lower elements, and phosphorus content. We concluded that accession Q-104 and Clone-64 could be used commercially for cosmetic and lubricant industry, respectively. Further, these accessions could be used for the genetic breeding program. Keywords: AAS, Biochemical traits, Biofuel, Desert shrub, GC–MS, Jojob
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authentication of different accessions of simmondsia chinensis link schneider Jojoba by dna fingerprinting and chromatography of its oil
Industrial Crops and Products, 2016Co-Authors: Deepti Arya, Swati Agarwal, Suphiya KhanAbstract:Abstract Jojoba, Simmondsia chinensis (Link) Schneider, a desert shrub belongs to family Simmondsiaceae. In the current study the cumulative molecular and phytochemical approach is used to investigate 18 different accessions of Simmondsia chinensis collected from AJORP (Association of Rajasthan for Jojoba Plantation and Research Project), Rajasthan (Jaipur). The focus of this study was the correlation of molecular and phytochemical characters at the intraspecific level. DNA fingerprinting of Jojoba accessions was performed using RAPD markers along with the fatty acid profiling of its oil using GC–MS technique. Both molecular analysis and biochemical fingerprinting cumulatively revealed a significant level of variability among accessions. Ten major fatty acids were found in all the accessions, out of them oleic acid (OA) was in high concentration. Further OA content of individual accession was correlated with RAPD analysis data. High OA containing accessions were grouped together in a single cluster. On the basis of our results, it can be concluded that three accessions which were grouped in a single cluster 2a (82-18, 48-25 and 58-5) are the best. Thus, these accessions could be better candidates for different commercial applications. Our data strongly suggest that cumulative approach (molecular and biochemical) proved to be best for accessing the relationship between different accessions of Jojoba in future breeding programs.
Swati Agarwal - One of the best experts on this subject based on the ideXlab platform.
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green synthesized nanoadditives in Jojoba biodiesel diesel blends an improvement of engine performance and emission
Renewable Energy, 2020Co-Authors: Swati Agarwal, Sonu Kumari, Anurag Mudgal, Suphiya KhanAbstract:Abstract During past five decades, the energy requirement has been mounting steadily and researchers believe that this will increase with time. Therefore, the amount of harmful emission gases will increase and cause global warming. In this study, we have green synthesized Fe3O4 NPs from waste Ziziphus mauritiana seeds and utilized these NPs to improve the Jojoba methyl ester blend properties. The chemical and physical properties of Jojoba methyl ester have indicated improved potential for using it as an alternative fuel. Firstly, blending of Jojoba methyl ester with diesel has proved an effective method for reducing the engine problems associated with the high viscosity of Jojoba oil. On the basis of viscosity and calorific value, B15 (1.95 cp and 42.62 MJ/kg) found to be the best blend which was further modified using Fe3O4 NPs as nanoadditives in different concentration (NP10, NP20, NP30, NP40, and NP50). Secondly, engine performance and harmful gas emissions were evaluated for the use of modified Jojoba methyl esters with Fe3O4 NPs. The results showed continuous increase in generated power, brake thermal efficiency and decreased concentration of released NOx, CO, HC and soot showed the suitability of Fe3O4 NPs additive Jojoba methyl ester blend as an alternative fuel for diesel engine.
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genetic diversity of 18 male and 18 female accessions of Jojoba simmondsia chinensis link schneider using est ssrs
Meta Gene, 2019Co-Authors: Swati Agarwal, Suphiya KhanAbstract:Abstract Jojoba [Simmondsia chinensis (Link) Schneider] is native shrub of northern Mexico and the southwestern United States, commercially utilized for the liquid wax stored in their seeds. It has polyploidy, dioecious, perennial producing, highly heterozygous individual seeds. That is a fact which creates a great mixing of genes when the pollens are blown long distances for fertilization. Genetic diversity is the main source of variability in any crop improvement program. The present study is aimed at evaluating the genetic variation of 18 male and 18 female Jojoba accessions using 22 genome-wide SSR markers. Genotyping of 36 Jojoba accessions produced a total of 31 alleles in male and 28 alleles in female accessions with an average value of 0.344 and 0.311 for male and female accessions, respectively. Primer BA00213364 showed highest polymorphism information content (PIC) and BA00213368 showed the highest resolving power (Rp) for both male and female accessions in comparison to other primers. Two accessions “879-154 and 40” showed diverse genetic makeup and are placed in a separate Operational Taxonomic Unit (OTU) in comparison to others. The resultant diverse accessions and polymorphic EST-SSRs in the present study will be used for the identification of economically important traits to be utilized in future molecular breeding programmes of Jojoba.
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comparative fatty acid and trace elemental analysis identified the best raw material of Jojoba simmondsia chinensis for commercial applications
Annals of Agricultural Sciences, 2018Co-Authors: Swati Agarwal, Deepti Arya, Suphiya KhanAbstract:Abstract Jojoba (Simmondsia chinensis) is an oil yielding desert shrub popularly known as desert gold. Jojoba based industries, mainly works in two sectors: lubricant and cosmetics. The high cost of Jojoba products could be lowered down by selecting the best raw material. So, we made our hypothesis to select the best raw material separately for cosmetics and lubricant industries. The purpose of the study was the comprehensive comparative phytochemical characterization of fifteen different accessions of Jojoba oil using Spectrophotometer, Atomic Absorption Spectroscopy (AAS) and Gas Chromatography – Mass Spectrometry (GC–MS). GC and MS identified 10 fatty acids (myristic, palmitic, palmitoleic, oleic, linoleic, arachidic, 11-eicosenoic, heneicosanoic, tricosanoic and nervonic acid s ). Differences were found in most of the parameters and correlation analysis was done to compare all biochemical traits with respect to oil yield. Accessions Q-104 was found to be the best for cosmetics, as it shows a high concentration of fatty acids (linoleic, oleic, arachidic, 11-eicosenoic and palmitic acids) together with good oil yield. Accessions Clone-64 was found to be the best for the lubricant purpose as it showed the good oil yield, lower elements, and phosphorus content. We concluded that accession Q-104 and Clone-64 could be used commercially for cosmetic and lubricant industry, respectively. Further, these accessions could be used for the genetic breeding program.
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Comparative fatty acid and trace elemental analysis identified the best raw material of Jojoba (Simmondsia chinensis) for commercial applications
'Elsevier BV', 2018Co-Authors: Swati Agarwal, Deepti Arya, Suphiya KhanAbstract:Jojoba (Simmondsia chinensis) is an oil yielding desert shrub popularly known as desert gold. Jojoba based industries, mainly works in two sectors: lubricant and cosmetics. The high cost of Jojoba products could be lowered down by selecting the best raw material. So, we made our hypothesis to select the best raw material separately for cosmetics and lubricant industries. The purpose of the study was the comprehensive comparative phytochemical characterization of fifteen different accessions of Jojoba oil using Spectrophotometer, Atomic Absorption Spectroscopy (AAS) and Gas Chromatography – Mass Spectrometry (GC–MS). GC and MS identified 10 fatty acids (myristic, palmitic, palmitoleic, oleic, linoleic, arachidic, 11-eicosenoic, heneicosanoic, tricosanoic and nervonic acids). Differences were found in most of the parameters and correlation analysis was done to compare all biochemical traits with respect to oil yield. Accessions Q-104 was found to be the best for cosmetics, as it shows a high concentration of fatty acids (linoleic, oleic, arachidic, 11-eicosenoic and palmitic acids) together with good oil yield. Accessions Clone-64 was found to be the best for the lubricant purpose as it showed the good oil yield, lower elements, and phosphorus content. We concluded that accession Q-104 and Clone-64 could be used commercially for cosmetic and lubricant industry, respectively. Further, these accessions could be used for the genetic breeding program. Keywords: AAS, Biochemical traits, Biofuel, Desert shrub, GC–MS, Jojob
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authentication of different accessions of simmondsia chinensis link schneider Jojoba by dna fingerprinting and chromatography of its oil
Industrial Crops and Products, 2016Co-Authors: Deepti Arya, Swati Agarwal, Suphiya KhanAbstract:Abstract Jojoba, Simmondsia chinensis (Link) Schneider, a desert shrub belongs to family Simmondsiaceae. In the current study the cumulative molecular and phytochemical approach is used to investigate 18 different accessions of Simmondsia chinensis collected from AJORP (Association of Rajasthan for Jojoba Plantation and Research Project), Rajasthan (Jaipur). The focus of this study was the correlation of molecular and phytochemical characters at the intraspecific level. DNA fingerprinting of Jojoba accessions was performed using RAPD markers along with the fatty acid profiling of its oil using GC–MS technique. Both molecular analysis and biochemical fingerprinting cumulatively revealed a significant level of variability among accessions. Ten major fatty acids were found in all the accessions, out of them oleic acid (OA) was in high concentration. Further OA content of individual accession was correlated with RAPD analysis data. High OA containing accessions were grouped together in a single cluster. On the basis of our results, it can be concluded that three accessions which were grouped in a single cluster 2a (82-18, 48-25 and 58-5) are the best. Thus, these accessions could be better candidates for different commercial applications. Our data strongly suggest that cumulative approach (molecular and biochemical) proved to be best for accessing the relationship between different accessions of Jojoba in future breeding programs.
Eddy Decuypere - One of the best experts on this subject based on the ideXlab platform.
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4 demethyl simmondsin from simmondsia chinensis
Industrial Crops and Products, 2000Co-Authors: M Van Boven, Roger Busson, Marnix Cokelaere, Eddy DecuypereAbstract:Abstract Jojoba seed meal ( Simmondsia chinensis ) contains approximately 15% glucosides identified as simmondsin, 5-demethyl simmondsin, didemethyl simmondsin, along with simmondsin 2′-ferulate, 4-demethyl simmondsin 2′-ferulate, and 5-demethyl simmondsin ferulate. The new simmondsin derivative was isolated from Jojoba meal by a combination of column chromatography and preparative HPLC and identified by 2D-NMR and L-SIMS as 2-(cyanomethylene)-3,4-dihydroxy-5-methoxycyclohexyl β- d -glucoside or 4-demethyl simmmondsin.
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4 demethyl simmondsin from simmondsia chinensis
Abstracts of the International Conference on Diversity in Agricultural Products, 1999Co-Authors: M Van Boven, Roger Busson, Paul Daenens, Eddy Decuypere, Marnix CokelaereAbstract:Jojoba seed meal (Simmondsia chinensis) contains approximately 15% glucosides identified as simmondsin, 5-demethyl simmondsin, didemethyl simmondsin, along with simmondsin 2%-ferulate, 4-demethyl simmondsin 2%-ferulate, and 5-demethyl simmondsin ferulate. The new simmondsin derivative was isolated from Jojoba meal by a combination of column chromatography and preparative HPLC and identified by 2D-NMR and L-SIMS as 2-(cyanomethylene)-3,4-dihydroxy-5-methoxycyclohexyl b-D-glucoside or 4-demethyl simmmondsin. © 2000 Elsevier Science B.V. All rights reserved.
Ahmed I Elseesy - One of the best experts on this subject based on the ideXlab platform.
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improvement of combustion and emission characteristics of a diesel engine working with diesel Jojoba oil blends and butanol additive
Fuel, 2020Co-Authors: Ahmed I Elseesy, Hamdy Hassan, Dhinesh BalasubramanianAbstract:Abstract The main concerns of exploiting Jojoba oil in CI engines is that it has a high viscosity, low volatility, and high NOx formation. Therefore, this article purposes in endeavoring to improve the combustion and emission parameters of a CI engine working with diesel-Jojoba oil blends and n-butanol additives under various engine loads. A 10% by volume of n-butanol is combined with 5%, 10%, 15%, 20%, 25, 30 and 35% of Jojoba oil, and they are designated as DBJ5, DBJ10, DBJ15, DBJ20, DBJ25, DBJ30, and DBJ35, respectively. The experiments are divided into two steps, firstly, the viscosity of the fuel mixture is measured according to ASTM standards, and it is compared to ASTM D6751– 12 standers limits. Secondly, the Jojoba oil with volume fraction up to 15% is tested in a CI engine to evaluate the combustion and emission developments. The results indicate that the addition of n-butanol with diesel-Jojoba oil lowers the mixture viscosities by up to 85% compared to pure raw Jojoba oil. The findings display that there is an increase in pmax. and HRR for DBJ5, DBJ10, and DBJ15 blends compared to pure diesel fuel, whereas the combustion duration and ignition delay are slightly reduced. The brake specific fuel consumption is enlarged. The NOx, CO, and UHC formations are reduced by 50%, 30%, and 40% respectively for diesel-Jojoba oil-n-butanol mixtures. It can be deduced that combining high fractions of Jojoba oil with n-butanol (DBJ15) have the feasible to accomplish low emission formations in the interim having high thermal efficiency level.
A Dawood - One of the best experts on this subject based on the ideXlab platform.
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experimental evaluation of diesel engine performance and emission using blends of Jojoba oil and diesel fuel
Energy Conversion and Management, 2004Co-Authors: A S Huzayyin, A H Bawady, M A Rady, A DawoodAbstract:Abstract An experimental evaluation of using Jojoba oil as an alternate Diesel engine fuel has been conducted in the present work. Measurements of Jojoba oil chemical and physical properties have indicated a good potential of using Jojoba oil as an alternative Diesel engine fuel. Blending of Jojoba oil with gas oil has been shown to be an effective method to reduce engine problems associated with the high viscosity of Jojoba oil. Experimental measurements of different performance parameters of a single cylinder, naturally aspirated, direct injection, Diesel engine have been performed using gas oil and blends of gas oil with Jojoba oil. Measurements of engine performance parameters at different load conditions over the engine speed range have generally indicated a negligible loss of engine power, a slight increase in brake specific fuel consumption and a reduction in engine NO x and soot emission using blends of Jojoba oil with gas oil as compared to gas oil. The reduction in engine soot emission has been observed to increase with the increase of Jojoba oil percentage in the fuel blend.
