The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass Spectrometry
As one of the oldest distillates in the world, flavor compounds of Chinese Baijiu (Chinese liquor) were extremely complex. Propyl lactate was firstly detected by direct injection and gas chromatography-mass spectrometry (GC-MS) in 72 Chinese Baijius. The objectives were to detect the contents of prop...
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MDPI AG
2015-10-01
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| Series: | Molecules |
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| Online Access: | http://www.mdpi.com/1420-3049/20/10/19002 |
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| author | Jihong Wu Yang Zheng Baoguo Sun Xiaotao Sun Jiyuan Sun Fuping Zheng Mingquan Huang |
| author_facet | Jihong Wu Yang Zheng Baoguo Sun Xiaotao Sun Jiyuan Sun Fuping Zheng Mingquan Huang |
| author_sort | Jihong Wu |
| collection | DOAJ |
| description | As one of the oldest distillates in the world, flavor compounds of Chinese Baijiu (Chinese liquor) were extremely complex. Propyl lactate was firstly detected by direct injection and gas chromatography-mass spectrometry (GC-MS) in 72 Chinese Baijius. The objectives were to detect the contents of propyl lactate and evaluate its contribution to the aroma of Chinese Baijiu based on odor activity values (OAVs). The levels of propyl lactate in these distillates were determined by internal standard method and selective ion monitoring (SIM), which ranged from 0.050 to 1.900 mg∙L−1 under investigation. Its detection threshold was determined by Three-Alternative Forced-Choice (3-AFC) and curve fitting (CF), which was 0.740 mg∙L−1 in 38% ethanol solution. The contribution of propyl lactate on the aroma of these distillate drinks was evaluated by their odor activity values (OAVs), which varied from 0.066 to 4.440. The OAVs of propyl lactate were found to exceed 1 in 13 Chinese Baijius, including 50° Jingzhi Guniang 5 years (4.440), 52° Jingzhi Guniang 10 years (3.024), Jingyanggang (2.568), Xianghe Ronghe Shaofang (2.313), and 1956 Laolang (1.431), which indicated that propyl lactate was one of odor-active components in these Chinese Baijius. |
| first_indexed | 2024-12-12T11:49:47Z |
| format | Article |
| id | doaj.art-5883dc4deb054cb1baba1d7a2974f9da |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-12-12T11:49:47Z |
| publishDate | 2015-10-01 |
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| series | Molecules |
| spelling | doaj.art-5883dc4deb054cb1baba1d7a2974f9da2022-12-22T00:25:20ZengMDPI AGMolecules1420-30492015-10-012010190021901310.3390/molecules201019002molecules201019002The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass SpectrometryJihong Wu0Yang Zheng1Baoguo Sun2Xiaotao Sun3Jiyuan Sun4Fuping Zheng5Mingquan Huang6School of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, ChinaSchool of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, ChinaSchool of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, ChinaSchool of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, ChinaSchool of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, ChinaSchool of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, ChinaSchool of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, ChinaAs one of the oldest distillates in the world, flavor compounds of Chinese Baijiu (Chinese liquor) were extremely complex. Propyl lactate was firstly detected by direct injection and gas chromatography-mass spectrometry (GC-MS) in 72 Chinese Baijius. The objectives were to detect the contents of propyl lactate and evaluate its contribution to the aroma of Chinese Baijiu based on odor activity values (OAVs). The levels of propyl lactate in these distillates were determined by internal standard method and selective ion monitoring (SIM), which ranged from 0.050 to 1.900 mg∙L−1 under investigation. Its detection threshold was determined by Three-Alternative Forced-Choice (3-AFC) and curve fitting (CF), which was 0.740 mg∙L−1 in 38% ethanol solution. The contribution of propyl lactate on the aroma of these distillate drinks was evaluated by their odor activity values (OAVs), which varied from 0.066 to 4.440. The OAVs of propyl lactate were found to exceed 1 in 13 Chinese Baijius, including 50° Jingzhi Guniang 5 years (4.440), 52° Jingzhi Guniang 10 years (3.024), Jingyanggang (2.568), Xianghe Ronghe Shaofang (2.313), and 1956 Laolang (1.431), which indicated that propyl lactate was one of odor-active components in these Chinese Baijius.http://www.mdpi.com/1420-3049/20/10/19002Chinese Baijiupropyl lactategas chromatography-mass spectrometry (GC-MS)thresholdodor activity values (OAVs) |
| spellingShingle | Jihong Wu Yang Zheng Baoguo Sun Xiaotao Sun Jiyuan Sun Fuping Zheng Mingquan Huang The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass Spectrometry Molecules Chinese Baijiu propyl lactate gas chromatography-mass spectrometry (GC-MS) threshold odor activity values (OAVs) |
| title | The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass Spectrometry |
| title_full | The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass Spectrometry |
| title_fullStr | The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass Spectrometry |
| title_full_unstemmed | The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass Spectrometry |
| title_short | The Occurrence of Propyl Lactate in Chinese Baijius (Chinese Liquors) Detected by Direct Injection Coupled with Gas Chromatography-Mass Spectrometry |
| title_sort | occurrence of propyl lactate in chinese baijius chinese liquors detected by direct injection coupled with gas chromatography mass spectrometry |
| topic | Chinese Baijiu propyl lactate gas chromatography-mass spectrometry (GC-MS) threshold odor activity values (OAVs) |
| url | http://www.mdpi.com/1420-3049/20/10/19002 |
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