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Feng X, Wang H, Zhu Y, Ma J, Ke Y, Wang K, Liu Z, Ni L, Lin CC, Zhang Y, Liu Y. New Insights into the Umami and Sweet Taste of Oolong Tea: Formation of Enhancer N-(1-carboxyethyl)-6-(hydroxymethyl) pyridinium-3-ol (Alapyridaine) in Roasting Via Maillard Reaction. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:8760-8773. [PMID: 38536213 DOI: 10.1021/acs.jafc.3c09011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
Roasting is pivotal for enhancing the flavor of Wuyi rock tea (WRT). A study investigated a novel compound that enhances the umami taste of WRT. Metabolomics of Shuixian tea (SXT) and Rougui tea (RGT) under light roasting (LR), medium roasting (MR), and heavy roasting (HR) revealed significant differences in nonvolatiles compounds. Compared LR reducing sugars and amino acids notably decreased in MR and HR, with l-alanine declining by 69%. Taste-guided fractionation identified fraction II-B as having high umami and sweet intensities. A surprising taste enhancer, N-(1-carboxyethyl)-6-(hydroxymethyl) pyridinium-3-ol (alapyridaine), was discovered and identified. It formed via the Maillard reaction, positively correlated with roasting in SXT and RGT. Alapyridaine levels were highest in SXT among the five oolong teas. Roasting tea with glucose increased alapyridaine levels, while EGCG inhibited its formation. HR-WRT exhibited enhanced umami and sweet taste, highlighting alapyridaine's impact on WRT's flavor profile. The formation of alapyridaine during the roasting process provides new insights into the umami and sweet perception of oolong tea.
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Affiliation(s)
- Xiaoxiao Feng
- Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Haoli Wang
- Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yiwen Zhu
- Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jingke Ma
- Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yu Ke
- Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Kequn Wang
- Wuyi Mountain Yuanshui Yuantea Tea Culture Co., Ltd., Wuyi Mountain 354300, Fujian, China
| | - Zhibin Liu
- Institute of Food Science &Technology, Fuzhou University, Fuzhou 350108, Fujian, China
| | - Li Ni
- Institute of Food Science &Technology, Fuzhou University, Fuzhou 350108, Fujian, China
| | - Chih-Cheng Lin
- Department of Biotechnology and Pharmaceutical Technology, Yuanpei University of Medical Technology, Hsinchu 30015, Taiwan, China
| | - Yin Zhang
- Key Lab of Meat Processing of Sichuan Province, Chengdu University, Chengdu 610106, China
| | - Yuan Liu
- Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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Vinitha K, Sethupathy P, Moses J, Anandharamakrishnan C. Conventional and emerging approaches for reducing dietary intake of salt. Food Res Int 2022; 152:110933. [DOI: 10.1016/j.foodres.2021.110933] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 10/08/2021] [Accepted: 12/28/2021] [Indexed: 01/14/2023]
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Troise AD, Berton-Carabin CC, Vitaglione P, Fogliano V. Formation of Taste-Active Pyridinium Betaine Derivatives Is Promoted in Thermally Treated Oil-in-Water Emulsions and Alkaline pH. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5180-5188. [PMID: 32307992 DOI: 10.1021/acs.jafc.0c01446] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The oil-water interface can be used as an efficient reaction controller in foods by carrying specific reactants and products in either the hydrophobic or hydrophilic phase. The formation of the taste-active compounds N-(1-carboxyethyl)-6-hydroxymethyl-pyridinium-3-ol inner salt (alapyridaine) and 1-(1-carboxyethyl)-3-hydroxy-pyridinium inner salt is influenced by the presence of a dispersed saturated triglyceride oil phase and by the pH of the aqueous phase. At pH 6.5, the formation of both betaines was 1.24 and 6 times higher in emulsions than in aqueous solution after 4 min at 140 °C. In alkaline emulsions (pH = 9.5, 4 min), the concentrations of alapyridaine and 1-(1-carboxyethyl)-3-hydroxy-pyridinium ion were 6.2 and 3.8 times higher, respectively, than in unbuffered emulsions as a result of the interaction between the polar head group of the surfactant and pyridinium rings. Here, we reported for the first time the effects of multiphase systems on the formation of nonvolatile, taste-active end products.
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Affiliation(s)
- Antonio Dario Troise
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Naples 80055, Italy
- Proteomics & Mass Spectrometry Laboratory, ISPAAM, National Research Council, Naples 80147, Italy
| | | | - Paola Vitaglione
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Naples 80055, Italy
| | - Vincenzo Fogliano
- Food Quality and Design Group, Wageningen University, Wageningen 6708 WG, The Netherlands
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CARNIEL BELTRAMI M, DÖRING T, DE DEA LINDNER J. Sweeteners and sweet taste enhancers in the food industry. FOOD SCIENCE AND TECHNOLOGY 2018. [DOI: 10.1590/fst.31117] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Wakamatsu J, Stark TD, Hofmann T. Taste-Active Maillard Reaction Products in Roasted Garlic (Allium sativum). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:5845-5854. [PMID: 27381763 DOI: 10.1021/acs.jafc.6b02396] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In order to gain first insight into candidate Maillard reaction products formed upon thermal processing of garlic, mixtures of glucose and S-allyl-l-cysteine, the major sulfur-containing amino acid in garlic, were low-moisture heated, and nine major reaction products were isolated. LC-TOF-MS, 1D/2D NMR, and CD spectroscopy led to their identification as acortatarin A (1), pollenopyrroside A (2), epi-acortatarin A (3), xylapyrroside A (4), 5-hydroxymethyl-1-[(5-hydroxymethyl-2-furanyl)methyl]-1H-pyrrole-2-carbalde-hyde (5), 3-(allylthio)-2-(2-formyl-5-hydroxymethyl-1H-pyrrol-1-yl)propanoic acid (6), (4S)-4-(allylthiomethyl)-3,4-dihydro-3-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carbaldehyde (7), (2R)-3-(allylthio)-2-[(4R)-4-(allylthiomethyl)-6-formyl-3-oxo-3,4-dihydropyrrolo-[1,2-a]pyrazin-2(1H)-yl]propanoic acid (8), and (2R)-3-(allylthio)-2-((4S)-4-(allylthiomethyl)-6-formyl-3-oxo-3,4-dihydropyrrolo-[1,2-a]pyrazin-2(1H)-yl)propanoic acid (9). Among the Maillard reaction products identified, compounds 5-9 have not previously been published. The thermal generation of the literature known spiroalkaloids 1-4 is reported for the first time. Sensory analysis revealed a bitter taste with thresholds between 0.5 and 785 μmol/kg for 1-5 and 7-9. Compound 6 did not show any intrinsic taste (water) but exhibited a strong mouthfullness (kokumi) enhancing activity above 186 μmol/kg. LC-MS/MS analysis showed 1-9 to be generated upon pan-frying of garlic with the highest concentration of 793.7 μmol/kg found for 6, thus exceeding its kokumi threshold by a factor of 4 and giving evidence for its potential taste modulation activity in processed garlic preparations.
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Affiliation(s)
- Junichiro Wakamatsu
- Chair of Food Chemistry and Molecular Sensory Science, Technische Universität München , Lise-Meitner-Straße 34, D-85354 Freising, Germany
| | - Timo D Stark
- Chair of Food Chemistry and Molecular Sensory Science, Technische Universität München , Lise-Meitner-Straße 34, D-85354 Freising, Germany
| | - Thomas Hofmann
- Chair of Food Chemistry and Molecular Sensory Science, Technische Universität München , Lise-Meitner-Straße 34, D-85354 Freising, Germany
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Israr T, Rakha A, Sohail M, Rashid S, Shehzad A. Salt reduction in baked products: Strategies and constraints. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.03.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Wegener S, Bornik MA, Kroh LW. D-Galacturonic Acid: A Highly Reactive Compound in Nonenzymatic Browning. 2. Formation of Amino-Specific Degradation Products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:6457-6465. [PMID: 26111613 DOI: 10.1021/acs.jafc.5b01121] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Thermal treatment of aqueous solutions of D-galacturonic acid and L-alanine at pH 3, 5, and 8 led to rapid and more intensive nonenzymatic browning reactions compared to similar solutions of other uronic acids and to Maillard reactions of reducing sugars. The hemiacetal ring structures of uronic acids had a high impact on browning behavior and reaction pathways. Besides reductic acid (1,2-dihydroxy-2-cyclopenten-1-one), 4,5-dihydroxy-2-cyclopenten-1-one (DHCP), furan-2-carboxaldehyde, and norfuraneol (4-hydroxy-5-methyl-3-(2H)-furanone) could be detected as typical products of nonenzymatic uronic acid browning reactions. 2-(2-Formyl-1H-pyrrole-1-yl)propanoic acid (FPA) and 1-(1-carboxyethyl)-3-hydroxypyridin-1-ium (HPA) were identified as specific reaction products of uronic acids with amine participation like l-alanine. In contrast, the structurally related D-galacturonic acid methyl ester showed less browning activity and degradation under equal reaction conditions. Pectin-specific degradation products such as 5-formyl-2-furanoic acid and 2-furanoic acid were found but could not be verified for d-galacturonic acid monomers alone.
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Affiliation(s)
- Steffen Wegener
- Institute of Food Technology and Food Chemistry, Technical University of Berlin, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
| | - Maria-Anna Bornik
- Institute of Food Technology and Food Chemistry, Technical University of Berlin, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
| | - Lothar W Kroh
- Institute of Food Technology and Food Chemistry, Technical University of Berlin, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
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Kuo WY, Lee Y. Effect of Food Matrix on Saltiness Perception-Implications for Sodium Reduction. Compr Rev Food Sci Food Saf 2014. [DOI: 10.1111/1541-4337.12094] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Wan-Yuan Kuo
- Dept. of Food Science and Human Nutrition; Univ. of Illinois at Urbana-Champaign, 382K; Agricultural Engineering and Sciences Building; 1304 W. Pennsylvania Ave Urbana IL 61801 USA
| | - Youngsoo Lee
- Dept. of Food Science and Human Nutrition; Univ. of Illinois at Urbana-Champaign, 382K; Agricultural Engineering and Sciences Building; 1304 W. Pennsylvania Ave Urbana IL 61801 USA
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Schindler A, Dunkel A, Stähler F, Backes M, Ley J, Meyerhof W, Hofmann T. Discovery of salt taste enhancing arginyl dipeptides in protein digests and fermented fish sauces by means of a sensomics approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:12578-12588. [PMID: 22044387 DOI: 10.1021/jf2041593] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
As enzymatic digests of fish proteins were recently reported to enhance salt taste, the fish protein protamine was digested by chymotrypsin and trypsin and subsequently screened for candidate salt taste modulating (STM) peptides. To achieve this, first, a two-step sensory assay was developed and demonstrated to be a rather suitable tool for the detection of salt taste enhancers and the "quantitation" of their salt taste enhancing activity on the basis of isointensities with reference solutions. By means of activity-guided fractionation using ultrafiltration, gel permeation chromatography, and hydrophilic liquid interaction chromatography in combination with the sensory assay for STM activity assessment, a series of arginyl dipeptides, with RP, RA, AR, RG, RS, RV, VR, and RM being the most active, as well as l-arginine were found as salt taste enhancing molecules in fish protamine digests. For the first time, HPLC-MS/MS analysis on a PFP and a HILIC stationary phase, respectively, enabled the quantitative analysis of the arginyl peptides in a series of commercial and laboratory-made protein hydrolysates as well as fermented fish sauces.
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Affiliation(s)
- Alexander Schindler
- Chair of Food Chemistry and Molecular Sensory Science, Technische Universität München, Lise-Meitner-Straße 34, D-85354 Freising, Germany
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Ercolini D, Ferrocino I, Nasi A, Ndagijimana M, Vernocchi P, La Storia A, Laghi L, Mauriello G, Guerzoni ME, Villani F. Monitoring of microbial metabolites and bacterial diversity in beef stored under different packaging conditions. Appl Environ Microbiol 2011; 77:7372-81. [PMID: 21803905 PMCID: PMC3194879 DOI: 10.1128/aem.05521-11] [Citation(s) in RCA: 188] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2011] [Accepted: 07/19/2011] [Indexed: 12/17/2022] Open
Abstract
Beef chops were stored at 4°C under different conditions: in air (A), modified-atmosphere packaging (MAP), vacuum packaging (V), or bacteriocin-activated antimicrobial packaging (AV). After 0 to 45 days of storage, analyses were performed to determine loads of spoilage microorganisms, microbial metabolites (by solid-phase microextraction [SPME]-gas chromatography [GC]-mass spectrometry [MS] and proton nuclear magnetic resonance [(1)H NMR]), and microbial diversity (by PCR-denaturing gradient gel electrophoresis [DGGE] and pyrosequencing). The microbiological shelf life of meat increased with increasing selectivity of storage conditions. Culture-independent analysis by pyrosequencing of DNA extracted directly from meat showed that Brochothrix thermosphacta dominated during the early stages of storage in A and MAP, while Pseudomonas spp. took over during further storage in A. Many different bacteria, several of which are usually associated with soil rather than meat, were identified in V and AV; however, lactic acid bacteria (LAB) dominated during the late phases of storage, and Carnobacterium divergens was the most frequent microorganism in AV. Among the volatile metabolites, butanoic acid was associated with the growth of LAB under V and AV storage conditions, while acetoin was related to the other spoilage microbial groups and storage conditions. (1)H NMR analysis showed that storage in air was associated with decreases in lactate, glycogen, IMP, and ADP levels and with selective increases in levels of 3-methylindole, betaine, creatine, and other amino acids. The meat microbiota is significantly affected by storage conditions, and its changes during storage determine complex shifts in the metabolites produced, with a potential impact on meat quality.
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Affiliation(s)
- Danilo Ercolini
- Dipartimento di Scienza degli Alimenti, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici (NA), Italy.
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Kunert C, Walker A, Hofmann T. Taste modulating N-(1-methyl-4-oxoimidazolidin-2-ylidene) α-amino acids formed from creatinine and reducing carbohydrates. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:8366-8374. [PMID: 21702476 DOI: 10.1021/jf201685m] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Recent investigations led to the discovery of N-(1-methyl-4-oxoimidazolidin-2-ylidene)aminopropionic acid as a taste modulator enhancing the typical thick-sour mouthdryness and mouthfulness imparted by stewed beef juice. In the present study, systematic model reactions were targeted toward the generation of a series of N-(1-methyl-4-oxoimidazolidin-2-ylidene)-α-amino acids by Maillard-type reactions between creatinine and ribose, glucose, methylglyoxal, or glyoxal, respectively. By application of a comparative taste dilution analysis on fractions isolated from thermally treated creatinine/carbohydrate mixtures by means of hydrophilic liquid interaction chromatography (HILIC), a total of nine N-(1-methyl-4-oxoimidazolidin-2-ylidene)-α-amino acids were identified by means of LC-MS, LC-TOF-MS, and 1D/2D NMR experiments. Six of the nine creatinine glycation products were previously not reported in the literature. Whereas creatinine exhibited a bitter taste, none of the N-(1-methyl-4-oxoimidazolidin-2-ylidene)-α-amino acids imparted any intrinsic taste activity up to levels of 10 mmol/L (in water). Depending strongly on their chemical structure, these N-(1-methyl-4-oxoimidazolidin-2-ylidene)-α-amino acids induced a thick-sour, mouthdrying orosensation and mouthfulness enhancement when evaluated in model broth with recognition thresholds ranging from 31 to >1000 μmol/L.
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Affiliation(s)
- Christof Kunert
- Chair of Food Chemistry and Molecular Sensory Science, Technische Universität München, Freising, Germany
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Behrens M, Meyerhof W, Hellfritsch C, Hofmann T. Moleküle und biologische Mechanismen des Süß- und Umamigeschmacks. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201002094] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Behrens M, Meyerhof W, Hellfritsch C, Hofmann T. Sweet and Umami Taste: Natural Products, Their Chemosensory Targets, and Beyond. Angew Chem Int Ed Engl 2011; 50:2220-42. [DOI: 10.1002/anie.201002094] [Citation(s) in RCA: 134] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2010] [Indexed: 11/11/2022]
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Dötsch M, Busch J, Batenburg M, Liem G, Tareilus E, Mueller R, Meijer G. Strategies to Reduce Sodium Consumption: A Food Industry Perspective. Crit Rev Food Sci Nutr 2009; 49:841-51. [DOI: 10.1080/10408390903044297] [Citation(s) in RCA: 139] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Mariska Dötsch
- a Unilever Food and Health Research Institute, Unilever R&D Vlaardingen , Olivier van Noortlaan 120, 3133 AT, Vlaardingen, Netherlands
| | - Johanneke Busch
- a Unilever Food and Health Research Institute, Unilever R&D Vlaardingen , Olivier van Noortlaan 120, 3133 AT, Vlaardingen, Netherlands
| | - Max Batenburg
- a Unilever Food and Health Research Institute, Unilever R&D Vlaardingen , Olivier van Noortlaan 120, 3133 AT, Vlaardingen, Netherlands
| | - Gie Liem
- a Unilever Food and Health Research Institute, Unilever R&D Vlaardingen , Olivier van Noortlaan 120, 3133 AT, Vlaardingen, Netherlands
| | - Erwin Tareilus
- a Unilever Food and Health Research Institute, Unilever R&D Vlaardingen , Olivier van Noortlaan 120, 3133 AT, Vlaardingen, Netherlands
| | - Rudi Mueller
- b Unilever Deutschland GmbH, Center of Excellence Dry Foods , Knorrstr.1, 74074, Heilbronn, Germany
| | - Gert Meijer
- a Unilever Food and Health Research Institute, Unilever R&D Vlaardingen , Olivier van Noortlaan 120, 3133 AT, Vlaardingen, Netherlands
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