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Li K, Wang J, Zhuang Y, Yuan G, Li Y, Zhu X. Glucose-Histidine Heyns compound: Preparation, characterization and fragrance enhancement. Carbohydr Res 2023; 532:108922. [PMID: 37573726 DOI: 10.1016/j.carres.2023.108922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 08/15/2023]
Abstract
N-(2-Deoxy-D-glucos-2-yl)-L-histidine (Glu-His), one of Heyns rearrangement products (HRPs), was prepared by condensation, dehydration and rearrangement using l-Histidine and d-Fructose as raw materials with methanol as solvent. The response surface method (RSM) was used to improve yield of product and the optimal reaction condition was as following: the original ratio of Fru:His was 1.2:1 and the temperature and time of reaction was 73.2 °C and 4.7 h, and the yield of final product was 74.10% with the purity of 99.7%. The structure of product was identified by IR, NMR and conformed as C12H19N3O7 (317.1 Da) by high-resolution mass spectrometry (HRMS) and UPLC-MS/MS. The pyrolysis behavior of Glu-His showed that its initial pyrolysis temperature was 145.2 °C and the total weight loss reached 70.61% at 800 °C. The number of pyrolysis products increased with the increase of temperature, and the main pyrolysis products were pyrans, furans, pyrazines, pyrroles, pyridines, indoles and etc. with burnt-sweet, baking, nutty, sweet and floral aroma features. At last, the fragrance enhancement effect of Glu-His in the preparation of reconstructed tobacco stem (RTS) was investigated and the result of sensory evaluation showed that the smoke of RTS cigarettes brought about more sweet and moist, less irritation, better flavor and comfort with the addition of Glu-His (0.25%, w/w).
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Affiliation(s)
- Kuan Li
- Research Center of Tobacco and Health, University of Science and Technology of China, Hefei, 230052, China
| | - Jinling Wang
- Center of Technology, China Tobacco Jiangsu Industrial Corporation, Nanjing, 210019, China.
| | - Yadong Zhuang
- Center of Technology, China Tobacco Jiangsu Industrial Corporation, Nanjing, 210019, China
| | - Guangxiang Yuan
- Jiangsu Xinyuan Reconstituted Tobacco Co., Ltd., Huaian, 223002, China
| | - Yuxiu Li
- Research Center of Tobacco and Health, University of Science and Technology of China, Hefei, 230052, China
| | - Xiaolan Zhu
- Research Center of Tobacco and Health, University of Science and Technology of China, Hefei, 230052, China.
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Yan X, Pan S, Liu X, Tan M, Zheng X, Du W, Wu M, Song Y. Profiling the Major Aroma-Active Compounds of Microwave-Dried Jujube Slices through Molecular Sensory Science Approaches. Foods 2023; 12:3012. [PMID: 37628011 PMCID: PMC10453604 DOI: 10.3390/foods12163012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/27/2023] Open
Abstract
To discriminate the aroma-active compounds in dried jujube slices through microwave-dried treatments and understand their sensory attributes, odor activity value (OAV) and detection frequency analysis (DFA) combined with sensory analysis and analyzed through partial least squares regression analysis (PLSR) were used collaboratively. A total of 21 major aromatic active compounds were identified, among which 4-hexanolide, 4-cyclopentene-1,3-dione, 5-methyl-2(5H)-furanone, 4-hydroxy-2,5-dimethyl-3(2H)furanone, 3,5-dihydroxy-2-methyl-4-pyrone were first confirmed as aromatic compounds of jujube. Sensory evaluation revealed that the major characteristic aromas of dried jujube slices were caramel flavor, roasted sweet flavor, and bitter and burnt flavors. The PLSR results showed that certain compounds were related to specific taste attributes. 2,3-butanedione and acetoin had a significant positive correlation with the roasted sweet attribute. On the other hand, γ-butyrolactone, 4-cyclopentene-1,3-dione, and 4-hydroxy-2,5-dimethyl-3(2H)furanone had a significant positive impact on the caramel attributes. For the bitter attribute, 2-acetylfuran and 5-methyl-2(5H)-furanone were positively correlated. Regarding the burnt flavor, 5-methyl-2-furancarboxaldehyde and 3,5-dihydroxy-2-methyl-4-pyrone were the most influential odor-active compounds. Finally, 2-furanmethanol and 2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one were identified as the primary sources of the burnt and bitter flavors. Importantly, this work could provide a theoretical basis for aroma control during dried jujube slices processing.
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Affiliation(s)
- Xinhuan Yan
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
| | - Shaoxiang Pan
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
| | - Xuemei Liu
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
| | - Mengnan Tan
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
| | - Xiaodong Zheng
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
| | - Wenyu Du
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
| | - Maoyu Wu
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
| | - Ye Song
- Jinan Fruit Research Institute, All China Federation of Supply & Marketing Co-Operatives, Jinan 250014, China; (X.Y.); (S.P.); (X.L.); (M.T.); (X.Z.); (W.D.); (M.W.)
- Shandong Province Fruit and Vegetable Storage and Processing Technology Innovation Center, Jinan 250014, China
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Moussa Z, Rashad EM, Elsherbiny EA, Al-Askar AA, Arishi AA, Al-Otibi FO, Saber WIA. New Strategy for Inducing Resistance against Bacterial Wilt Disease Using an Avirulent Strain of Ralstonia solanacearum. Microorganisms 2022; 10:1814. [PMID: 36144416 PMCID: PMC9504442 DOI: 10.3390/microorganisms10091814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/05/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Ralstonia solanacearum is one of the globally significant plant pathogens that infect a wide host range of economically important plants. A study was conducted to evaluate the hypothesis that an avirulent strain of R. solanacearum can act as a biocontrol mediator for managing potato bacterial wilt. Virulent R. solanacearum was isolated and identified (GenBank accession number; OP180100). The avirulent strain was obtained from the virulent strain through storage for 3 weeks until the development of deep red colonies. The virulent strain had higher lytic activity than the avirulent strain. Tubers' treatments by the avirulent strain of R. solanacearum, (supernatant, boiled supernatant, and dead cells) significantly reduced plant disease rating and increased the growth, physiological activities, and biomass of potato compared to the untreated, infected control. The major components detected by GC-MS in the supernatant revealed 10.86% palmitic acid (virulent), and 18.03% 1,3-dioxolane, 2,4,5-trimethyl- (avirulent), whereas the major component in the boiled supernatant was 2-hydroxy-gamma-butyrolactone in the virulent (21.17%) and avirulent (27.78%) strains. This is the first research that assessed the influence of boiled supernatant and dead cells of virulent and avirulent R.solanacearum strains in controlling bacterial wilt disease. Additional work is encouraged for further elucidation of such a topic.
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Affiliation(s)
- Zeiad Moussa
- Microbial Activity Unit, Microbiology Department, Soils, Water and Environment Research Institute, Agricultural Research Center, Giza 12619, Egypt
| | - Ehsan M. Rashad
- Department of Seed Pathology Research, Plant Pathology Research Institute, Agricultural Research Center, Giza 12619, Egypt
| | | | - Abdulaziz A. Al-Askar
- Department of Botany and Microbiology, Faculty of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Amr Abker Arishi
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
| | - Fatimah O. Al-Otibi
- Department of Botany and Microbiology, Faculty of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - WesamEldin I. A. Saber
- Microbial Activity Unit, Microbiology Department, Soils, Water and Environment Research Institute, Agricultural Research Center, Giza 12619, Egypt
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