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Peilong Sun - One of the best experts on this subject based on the ideXlab platform.
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microwave assisted extraction and antioxidant activity of star Anise oil from illicium verum hook f
International Journal of Food Science and Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Xiangyang Guo, Peilong SunAbstract:Summary In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g−1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.
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Microwave-assisted extraction and antioxidant activity of star Anise oil fromIllicium verum Hook.f
International Journal of Food Science & Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Xiangyang Guo, Peilong SunAbstract:In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g-1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.Department of Applied Biology and Chemical Technolog
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Microwave‐assisted extraction and antioxidant activity of star Anise oil from Illicium verum Hook.f
International Journal of Food Science and Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Guo Xiangyang, Peilong SunAbstract:Summary In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g−1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.
Ming Cai - One of the best experts on this subject based on the ideXlab platform.
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microwave assisted extraction and antioxidant activity of star Anise oil from illicium verum hook f
International Journal of Food Science and Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Xiangyang Guo, Peilong SunAbstract:Summary In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g−1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.
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Microwave-assisted extraction and antioxidant activity of star Anise oil fromIllicium verum Hook.f
International Journal of Food Science & Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Xiangyang Guo, Peilong SunAbstract:In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g-1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.Department of Applied Biology and Chemical Technolog
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Microwave‐assisted extraction and antioxidant activity of star Anise oil from Illicium verum Hook.f
International Journal of Food Science and Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Guo Xiangyang, Peilong SunAbstract:Summary In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g−1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.
Michel W. F. Nielen - One of the best experts on this subject based on the ideXlab platform.
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Rapid control of Chinese star Anise fruits and teas for neurotoxic anisatin by Direct Analysis in Real Time high resolution mass spectrometry.
Journal of chromatography. A, 2012Co-Authors: Y. Shen, Teris A. Van Beek, F.w. Claassen, Han Zuilhof, Bo Chen, Michel W. F. NielenAbstract:After ingestion, products containing Chinese star Anise (Illicium verum) contaminated or adulterated with Japanese star Anise (Illicium anisatum) or other Illicium species, can cause epilepsy, hallucinations, and nausea due to the rare neurotoxic sesquiterpene dilactone anisatin that is present in Japanese star Anise. Thus a rapid, simple and unambiguous method for distinguishing between the morphologically similar Chinese star Anise and toxic Japanese star Anise is important for food safety issues. Direct Analysis in Real Time (DART) ambient ionisation coupled with orbitrap high resolution mass spectrometry allowed the recording of mass spectra of anisatin in solid star Anise fruits in seconds without any prior sample pretreatment. Spectra could be obtained in both positive ([M+NH(4)](+) at m/z 346.1496, C(15)H(24)NO(8)) and negative mode ([M-H](-) at m/z 327.1074, C(15)H(19)O(8)) and gave the same outcome provided a mass resolution of at least 27,000 is available. The anisatin signal was typically >1000 times larger in Japanese star Anise than in Chinese star Anise thus allowing an unequivocal qualitative determination. Herbal teas containing star Anise fragments too small to be visually recognised, could be analysed by preparing a tea in 6 min and subsequently sampling ∼2 μL of tea on a glass rod. None of the 8 investigated retail teas contained significant quantities of anisatin. Spiking a complex herbal tea containing Chinese star Anise with an equally concentrated tea prepared from Japanese star Anise provided a linear calibration curve (R(2) ≥ 0.995) after normalising on a native constituent of Chinese star Anise (standard addition method). This showed that adulteration down to 1% (w/w) is still measurable. Compared with existing PCR, TLC, GC-MS and HPLC-ESI-MS/MS procedures, the proposed DART-HRMS procedure is faster and simpler and moreover measures the actual biotoxin.
Barbara M. Garcia Peña - One of the best experts on this subject based on the ideXlab platform.
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Neurotoxicities in infants seen with the consumption of star Anise tea.
Pediatrics, 2004Co-Authors: Diego Ize-ludlow, Sean Ragone, Isaac S. Bruck, Jeffrey N. Bernstein, Michael Duchowny, Barbara M. Garcia PeñaAbstract:Chinese star Anise (Illicium verum Hook f.) is a well-known spice used in many cultures. Many populations use it as a treatment for infant colic. Japanese star Anise (Illicium anisatum L), however, has been documented to have both neurologic and gastrointestinal toxicities. Recently, concern has been raised regarding the adulteration of Chinese star Anise with Japanese star Anise. We report 7 cases of adverse neurologic reactions in infants seen with the home administration of star Anise tea. In addition, we have found evidence that Chinese star Anise has been contaminated with Japanese star Anise. More strict federal regulation of the import of star Anise into the United States is warranted. Star Anise tea should no longer be administered to infants because of its potential danger in this population.
Hanhua Liang - One of the best experts on this subject based on the ideXlab platform.
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microwave assisted extraction and antioxidant activity of star Anise oil from illicium verum hook f
International Journal of Food Science and Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Xiangyang Guo, Peilong SunAbstract:Summary In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g−1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.
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Microwave-assisted extraction and antioxidant activity of star Anise oil fromIllicium verum Hook.f
International Journal of Food Science & Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Xiangyang Guo, Peilong SunAbstract:In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g-1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.Department of Applied Biology and Chemical Technolog
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Microwave‐assisted extraction and antioxidant activity of star Anise oil from Illicium verum Hook.f
International Journal of Food Science and Technology, 2013Co-Authors: Ming Cai, Hanhua Liang, Guo Xiangyang, Peilong SunAbstract:Summary In this study, microwave-assisted extraction with ethanol (MAEE) of star Anise oil from Illicium verum Hook.f. has been optimised by response surface methodology (RSM). A maximum yield of star Anise oil was obtained at an optimum condition: the ratio of solvent to sample 17 mL g−1, extraction time 16 min and microwave power 505 W. Accordingly, the highest yield of star Anise oil was about 24.98%, which was much higher than that of steam distillation (SD), 7.17%. Oxygenated organic compounds in representative of trans-anethole are a major component in star Anise oil, nearly 94.21% for SD and 86.66% for MAEE, identified and determined by GC-MS. The oils extracted by SD and MAEE both have strong antioxidant activities that were demonstrated by the DPPH and ABTS assays.