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Huang P, Wang Z, Cheng Y, Gao W, Cui C. Integrated virtual screening coupled with sensory evaluation identifies N-succinyl-L-tryptophan as a novel compound with multiple taste enhancement properties. Food Chem 2024; 457:140131. [PMID: 38917565 DOI: 10.1016/j.foodchem.2024.140131] [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: 03/15/2024] [Revised: 06/02/2024] [Accepted: 06/14/2024] [Indexed: 06/27/2024]
Abstract
N-Succinyl amino acids (N-Suc-AAs) are garnering attention for their potential as taste-active compounds. The intricate variety of N-Suc-AAs presented considerable challenges in identifying those with taste-active properties. Consequently, we employed structure-based virtual screening to pinpoint taste-active N-Suc-AAs, revealing N-succinyl-L-tryptophan (ST) as a compound with high affinity for different taste receptors. Following this discovery, ST was synthesized through an enzymatic process, achieving a yield of 40.2%, with its structure verified via NMR spectroscopy. Sensory evaluation alongside electronic tongue assessments indicated that ST at a concentration of 1 mg/L significantly enhances umami, kokumi, and saltiness intensities, while concurrently mitigating bitterness from various bitter compounds, whilst itself remaining tasteless. Additionally, time-intensity (TI) results elucidated a marked augmentation in umami duration and a notable diminution in bitterness duration for solutions imbued with 1 mg/L ST. Molecular docking study suggested ST interacted with diverse taste receptors as an agonist or antagonist, primarily through hydrogen bonds and hydrophobic interactions. This study marked the inaugural report on the enzymatic synthesis of ST and its efficacy in improving taste characteristics, underscoring the importance of ST in improving sensory qualities of food products and fostering innovation within the seasoning industry.
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Affiliation(s)
- Pimiao Huang
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640 Guangzhou, Guangdong, China
| | - Zhirong Wang
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Yuqing Cheng
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640 Guangzhou, Guangdong, China
| | - Wenxiang Gao
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640 Guangzhou, Guangdong, China
| | - Chun Cui
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640 Guangzhou, Guangdong, China.
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Huang P, Yang B, Zhao X, Wang L, Cui C. Enzymatic synthesis of N-succinyl-L-phenylalanine and exploration of its potential as a novel taste enhancer. Food Chem 2024; 460:140747. [PMID: 39121766 DOI: 10.1016/j.foodchem.2024.140747] [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: 05/07/2024] [Revised: 07/06/2024] [Accepted: 07/31/2024] [Indexed: 08/12/2024]
Abstract
N-succinyl-L-phenylalanine (SP) has been identified as a taste-active contributor in an array of foods. Despite its recognized importance, the understanding of its synthesis and taste enhancement properties remains rudimentary. The study examined the enzymatic synthesis of SP with 45.58 ± 1.95% yield. This was achieved under optimized conditions: 0.3 mol/L L-phenylalanine, 0.9 mol/L succinic acid, 30,000 U/L of the AY 50C, pH 4 and 55 °C for 24 h. Sensory evaluation and electronic tongue revealed that the incorporation of a mere 1 mg/L SP substantially increased the kokumi, umami, and saltiness intensities, indicating the potential of SP as a potent taste enhancer. Moreover, time-intensity (TI) results demonstrated a significant increase of umami duration in samples containing 1 mg/L of SP (210.0 ± 0 s), a significant extension compared to the control group (150.0 ± 0 s). Notably, the intensity of umami and saltiness in the SP sample were consistently higher than that of control group. The sigmoid curve analysis further confirmed that SP exhibited a synergistic effect on umami and saltiness perceptions. Moreover, the study also illuminated interaction of SP with T1R1, T1R3, TMC4, TRPV1, and CaSR receptors, resulting in significant enhancement in umami, saltiness, and kokumi.
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Affiliation(s)
- Pimiao Huang
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640, Guangzhou, Guangdong, China
| | - Bing Yang
- College of Food Science and Technology, Hebei Agricultural University, 289 Lingyusi Road, Baoding, Hebei 071001, PR China
| | - Xu Zhao
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640, Guangzhou, Guangdong, China
| | - Lu Wang
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640, Guangzhou, Guangdong, China
| | - Chun Cui
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, 510640, Guangzhou, Guangdong, China.
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Amino Y, Tahara YK, Yamada K, Nakazawa M, Tagami U, Tajima T, Kuroda M. Design, synthesis, and taste evaluation of a high-intensity umami-imparting oxazole-based compound. Biosci Biotechnol Biochem 2017; 81:1690-1698. [DOI: 10.1080/09168451.2017.1345613] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Abstract
Umami taste is imparted predominantly by monosodium glutamate (MSG) and 5′-ribonucleotides. Recently, several different classes of hydrophobic umami-imparting compounds, the structures of which are quite different from MSG, have been reported. To obtain a novel umami-imparting compound, N-cinnamoyl phenethylamine was chosen as the lead compound, and a rational structure-optimization study was conducted on the basis of the pharmacophore model of previously reported compounds. The extremely potent umami-imparting compound 2-[[[2-[(1E)-2-(1,3-benzodioxol-5-yl)ethenyl]-4-oxazolyle]methoxy]methyl]pyridine, which exhibits 27,000 times the umami taste of MSG, was found. Its terminal pyridine residue and linear structure are suggested to be responsible for its strong activity. The time taken to reach maximum taste intensity exhibited by it, as determined by the time-intensity method, is 22.0 s, whereas the maximum taste intensity of MSG occurs immediately. This distinct difference in the time-course taste profile may be due to the hydrophobicity and strong receptor affinity of the new compound.
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Affiliation(s)
- Yusuke Amino
- Institute for Innovation, Ajinomoto Co., Inc., Kawasaki, Japan
| | - Yu-ki Tahara
- Institute for Innovation, Ajinomoto Co., Inc., Kawasaki, Japan
| | - Kei Yamada
- Institute for Innovation, Ajinomoto Co., Inc., Kawasaki, Japan
| | - Masakazu Nakazawa
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki, Japan
| | - Uno Tagami
- Institute for Innovation, Ajinomoto Co., Inc., Kawasaki, Japan
| | - Takaho Tajima
- Institute of Food Research and Technologies, Ajinomoto Co., Inc., Kawasaki, Japan
| | - Motonaka Kuroda
- Institute of Food Research and Technologies, Ajinomoto Co., Inc., Kawasaki, Japan
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Gómez-Calvario V, Garduño-Ramírez ML, León-Rivera I, Rios MY. (1) H and (13) C NMR data on natural and synthetic capsaicinoids. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2016; 54:268-290. [PMID: 26626418 DOI: 10.1002/mrc.4382] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Revised: 10/04/2015] [Accepted: 10/13/2015] [Indexed: 06/05/2023]
Abstract
Capsaicinoids are the compounds responsible for the pungency of chili peppers. These substances have attracted the attention of many research groups in recent decades because of their antinociceptive, analgesic, anti-inflammatory, and anti-obesity properties, among others. There are nearly 160 capsaicinoids reported in the literature. Approximately 25 of them are natural products, while the rest are synthetic or semi-synthetic products. A large amount of NMR data for the capsaicinoids is dispersed throughout literature. Therefore, there is a need to organize all this NMR data in a systematic and orderly way. This review summarizes the (1) H and (13) C NMR data on 159 natural and synthetic capsaicinoids, with a brief discussion of some typical and relevant aspects of these NMR data. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Víctor Gómez-Calvario
- Centro de Investigaciones Químicas, IICBA, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico
| | - María Luisa Garduño-Ramírez
- Centro de Investigaciones Químicas, IICBA, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico
| | - Ismael León-Rivera
- Centro de Investigaciones Químicas, IICBA, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico
| | - María Yolanda Rios
- Centro de Investigaciones Químicas, IICBA, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, Mexico
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Backes M, Obst K, Bojahr J, Thorhauer A, Roudnitzky N, Paetz S, Reichelt KV, Krammer GE, Meyerhof W, Ley JP. Rubemamine and Rubescenamine, Two Naturally Occurring N-Cinnamoyl Phenethylamines with Umami-Taste-Modulating Properties. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:8694-8704. [PMID: 26375852 DOI: 10.1021/acs.jafc.5b04402] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Sensory screening of a series of naturally occurring N-cinnamoyl derivatives of substituted phenethylamines revealed that rubemamine (9, from Chenopodium album) and rubescenamine (10, from Zanthoxylum rubsecens) elicit strong intrinsic umami taste in water at 50 and 10 ppm, respectively. Sensory tests in glutamate- and nucleotide-containing bases showed that the compounds influence the whole flavor profile of savory formulations. Both rubemamine (9) and rubescenamine (10) at 10-100 ppm dose-dependently positively modulated the umami taste of MSG (0.17-0.22%) up to threefold. Among the investigated amides, only rubemamine (9) and rubescenamine (10) are able to directly activate the TAS1R1-TAS1R3 umami taste receptor. Moreover, both compounds also synergistically modulated the activation of TAS1R1-TAS1R3 by MSG. Most remarkably, rubemamine (9) was able to further positively modulate the IMP-enhanced TAS1R1-TAS1R3 response to MSG ∼ 1.8-fold. Finally, armatamide (11), zanthosinamide (13), and dioxamine (14), which lack intrinsic umami taste in vivo and direct receptor response in vitro, also positively modulated receptor activation by MSG about twofold and the IMP-enhanced MSG-induced TAS1R1-TAS1R3 responses approximately by 50%. In sensory experiments, dioxamine (14) at 25 ppm in combination with 0.17% MSG exhibited a sensory equivalent to 0.37% MSG.
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Affiliation(s)
- Michael Backes
- Symrise AG , Flavors Division, Research & Technology, P.O. Box 1253, 37603 Holzminden, Germany
| | - Katja Obst
- Symrise AG , Flavors Division, Research & Technology, P.O. Box 1253, 37603 Holzminden, Germany
| | - Juliane Bojahr
- German Institute of Human Nutrition Potsdam-Rehbrücke , Department of Molecular Genetics, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Anika Thorhauer
- German Institute of Human Nutrition Potsdam-Rehbrücke , Department of Molecular Genetics, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Natacha Roudnitzky
- German Institute of Human Nutrition Potsdam-Rehbrücke , Department of Molecular Genetics, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Susanne Paetz
- Symrise AG , Flavors Division, Research & Technology, P.O. Box 1253, 37603 Holzminden, Germany
| | - Katharina V Reichelt
- Symrise AG , Flavors Division, Research & Technology, P.O. Box 1253, 37603 Holzminden, Germany
| | - Gerhard E Krammer
- Symrise AG , Flavors Division, Research & Technology, P.O. Box 1253, 37603 Holzminden, Germany
| | - Wolfgang Meyerhof
- German Institute of Human Nutrition Potsdam-Rehbrücke , Department of Molecular Genetics, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Jakob P Ley
- Symrise AG , Flavors Division, Research & Technology, P.O. Box 1253, 37603 Holzminden, Germany
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Frerot E, Neirynck N, Cayeux I, Yuan YHJ, Yuan YM. New Umami Amides: Structure-Taste Relationship Studies of Cinnamic Acid Derived Amides and the Natural Occurrence of an Intense Umami Amide in Zanthoxylum piperitum. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:7161-7168. [PMID: 26230212 DOI: 10.1021/acs.jafc.5b02359] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A series of aromatic amides were synthesized from various acids and amines selected from naturally occurring structural frameworks. These synthetic amides were evaluated for umami taste in comparison with monosodium glutamate. The effect of the substitution pattern of both the acid and the amine parts on umami taste was investigated. The only intensely umami-tasting amides were those made from 3,4-dimethoxycinnamic acid. The amine part was more tolerant to structural changes. Amides bearing an alkyl- or alkoxy-substituted phenylethylamine residue displayed a clean umami taste as 20 ppm solutions in water. Ultraperformance liquid chromatography coupled with a high quadrupole-Orbitrap mass spectrometer (UPLC/MS) was subsequently used to show the natural occurrence of these amides. (E)-3-(3,4-Dimethoxyphenyl)-N-(4-methoxyphenethyl)acrylamide was shown to occur in the roots and stems of Zanthoxylum piperitum, a plant of the family Rutaceae growing in Korea, Japan, and China.
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Affiliation(s)
| | | | | | - Yoyo Hui-Juan Yuan
- ‡Firmenich Aromatics (China) Co., Ltd., No. 3901 JinDu Road, Xinzhuang Industry Park, Shanghai 201108, China
| | - Yong-Ming Yuan
- ‡Firmenich Aromatics (China) Co., Ltd., No. 3901 JinDu Road, Xinzhuang Industry Park, Shanghai 201108, China
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