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Yuan H, Wu Z, Liu H, He X, Liao Z, Luo W, Li L, Yin L, Wu F, Zhang L, Shen C, Wang S, Li J, Li T, Lou K. Screening, identification, and characterization of molds for brewing rice wine: Scale-up production in a bioreactor. PLoS One 2024; 19:e0300213. [PMID: 38954729 PMCID: PMC11218956 DOI: 10.1371/journal.pone.0300213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 02/23/2024] [Indexed: 07/04/2024] Open
Abstract
Rice wine, well known for its unique flavor, rich nutritional value, and health benefits, has potential for extensive market development. Rhizopus and Aspergillus are among several microorganisms used in rice wine brewing and are crucial for determining rice wine quality. The strains were isolated via Rose Bengal and starch as a combined separation medium, followed by oenological property and sensory evaluation screening. The strain exhibiting the best performance can be screened using the traditional rice wine Qu. The strains YM-8, YM-10, and YM-16, which exhibited strong saccharification and fermentation performance along with good flavor and taste, were obtained from traditional rice wine Qu. Based on ITS genetic sequence analysis, the YM-8, YM-10, and YM-16 strains were identified as Rhizopus microsporus, Rhizopus arrhizus, and Aspergillus oryzae. The optimum growth temperature of each of the three strains was 30°C, 32°C, and 30°C, and the optimum initial pH was 6.0, 6.5, and 6.5, respectively. The activities of α-amylase, glucoamylase, and protease of YM-16 were highest at 220.23±1.88, 1,269.04±30.32, and 175.16±1.81 U/g, respectively. The amino acid content of rice wine fermented in a 20-L bioreactor with the three mold strains was higher than that of the control group, except for arginine, which was significantly lower than that of the control group. The total amino acid content and the total content of each type of amino acid were ranked as YM-16 > YM-8 > YM-10 > control group, and the amino acid content varied greatly among the strains. The control group had a higher content, whereas YM-8 and YM-16 had lower contents of volatile aroma components than the control group and had the basic flavor substances needed for rice wine, which is conducive to the formation of rice wine aroma. This selected strain, YM-16, has strong saccharification and fermentation ability, is a rich enzyme system, and improves the flavor of rice wine, thereby demonstrating its suitability as a production strain for brewing.
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Affiliation(s)
- HuaWei Yuan
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - Zhongyu Wu
- School of Radiology, Shandong First Medical University, Jinan, Shandong, China
| | - HaoYu Liu
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - Xue He
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - ZhengWei Liao
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - WenJie Luo
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - Li Li
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - LiGuo Yin
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - Fang Wu
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - LiQiang Zhang
- Luzhou Laojiao Co., Ltd./Luzhou Pinchuang Technology Co., Ltd./National Engineering Technology Research Center of Solid-state Brewing, Luzhou, Sichuan, China
| | - CaiHong Shen
- Luzhou Laojiao Co., Ltd./Luzhou Pinchuang Technology Co., Ltd./National Engineering Technology Research Center of Solid-state Brewing, Luzhou, Sichuan, China
| | - SongTao Wang
- Luzhou Laojiao Co., Ltd./Luzhou Pinchuang Technology Co., Ltd./National Engineering Technology Research Center of Solid-state Brewing, Luzhou, Sichuan, China
| | - JianLong Li
- College of Food Science, Sichuan Agricultural University, Ya’an, Sichuan, China
| | - Tan Li
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
| | - Kai Lou
- Faculty of Quality Management and Inspection & Quarantine/Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin, Sichuan, China
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Deng Y, Chen G, Bao X, He J, Li Q. Characterization of the complete mitochondrial genome of Mucor indicus Lendn. 1930 (Mucorales: Mucoraceae), isolated from the wine fermentation system. Mitochondrial DNA B Resour 2024; 9:845-849. [PMID: 38939449 PMCID: PMC11210418 DOI: 10.1080/23802359.2024.2371376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 06/18/2024] [Indexed: 06/29/2024] Open
Abstract
Mucor indicus Lendn. 1930 has been widely used in food fermentation; however, its mitochondrial genome characteristics are not well understood. In this study, the complete mitochondrial genome of M. indicus was obtained, which was 61,400 bp in length with a GC content of 33%. The M. indicus mitochondrial genome was found to contain 14 core protein-coding genes, four free-standing ORFs, 18 intronic ORFs, 26 tRNAs, and two rRNA genes. Phylogenetic trees were generated for 25 early-differentiated fungi using the Bayesian inference (BI) method, which demonstrated that M. indicus is closely related to Mucor piriformis. This study provides useful information for the classification and evolution of Mucor species or other early-differentiated fungi.
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Affiliation(s)
- Yue Deng
- Luzhou Vocational and Technical College, Luzhou, P. R. China
| | - Guangjiu Chen
- Luzhou Vocational and Technical College, Luzhou, P. R. China
| | - Xuedong Bao
- Luzhou Vocational and Technical College, Luzhou, P. R. China
| | - Jie He
- Luzhou Vocational and Technical College, Luzhou, P. R. China
| | - Qiang Li
- School of Food and Biological Engineering, Chengdu University, Chengdu, P. R. China
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Xu JZ, Zhang YY, Zhang WG. Correlation between changes in flavor compounds and microbial community ecological succession in the liquid fermentation of rice wine. World J Microbiol Biotechnol 2023; 40:17. [PMID: 37981595 DOI: 10.1007/s11274-023-03844-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 11/16/2023] [Indexed: 11/21/2023]
Abstract
Microorganisms play an important role in regulating flavor compounds in rice wine, whereas we often don't understand how did they affect flavor compounds. Here, the relations between flavor compounds and microbial community ecological succession were investigated by monitoring flavor compounds and microbial community throughout the fermentation stage of rice wine. The composition of microbial community showed a dynamic change, but 13 dominant bacterial genera and 4 dominant fungal genera were detected throughout the fermentation stages. Saccharomyces presented a strong negative correlation with fungi genera but had positive associations with bacteria genera. Similarly, flavor compounds in rice wine were also showed the dynamic change, and 112 volatile compounds and 17 free amino acids were identified in the whole stages. The alcohol-ester ratio was decreased in the LTF stage, indicating that low temperature boosts ester formation. The potential correlation between flavor compounds and microbial community indicated that Delftia, Chryseobacterium, Rhizopus and Wickerhamomyces were the core functional microorganisms in rice wine. These findings clarified the correlation between changes in flavor compounds and in microbial community in the liquid fermentation of rice wine, and these results have some reference value for the quality improvement and technological optimization in liquid fermentation of rice wine.
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Affiliation(s)
- Jian-Zhong Xu
- The Key Laboratory of Industrial Biotechnology, School of Biotechnology, Ministry of Education, Jiangnan University, 1800 # Lihu Road, WuXi, 214122, People's Republic of China.
| | - Yang-Yang Zhang
- The Key Laboratory of Industrial Biotechnology, School of Biotechnology, Ministry of Education, Jiangnan University, 1800 # Lihu Road, WuXi, 214122, People's Republic of China
| | - Wei-Guo Zhang
- The Key Laboratory of Industrial Biotechnology, School of Biotechnology, Ministry of Education, Jiangnan University, 1800 # Lihu Road, WuXi, 214122, People's Republic of China
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Zhang K, Zhang TT, Guo RR, Ye Q, Zhao HL, Huang XH. The regulation of key flavor of traditional fermented food by microbial metabolism: A review. Food Chem X 2023; 19:100871. [PMID: 37780239 PMCID: PMC10534219 DOI: 10.1016/j.fochx.2023.100871] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/27/2023] [Accepted: 09/06/2023] [Indexed: 10/03/2023] Open
Abstract
The beneficial microorganisms in food are diverse and complex in structure. These beneficial microorganisms can produce different and unique flavors in the process of food fermentation. The unique flavor of these fermented foods is mainly produced by different raw and auxiliary materials, fermentation technology, and the accumulation of flavor substances by dominant microorganisms during fermentation. The succession and metabolic accumulation of microbial flora significantly impacts the distinctive flavor of fermented foods. The investigation of the role of microbial flora changes in the production of flavor substances during fermentation can reveal the potential connection between microbial flora succession and the formation of key flavor compounds. This paper reviewed the evolution of microbial flora structure as food fermented and the key volatile compounds that contribute to flavor in the food system and their potential relationship. Further, it was a certain guiding significance for food industrial production.
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Affiliation(s)
- Ke Zhang
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Technology Innovation Center for Chinese Prepared Food, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- School of Food and Biological Engineering, Hefei University of Technology, Engineering Research Center of Bio-Process, Ministry of Education, Hefei 230601, Anhui, China
| | - Ting-Ting Zhang
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Technology Innovation Center for Chinese Prepared Food, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Ren-Rong Guo
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Technology Innovation Center for Chinese Prepared Food, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Quan Ye
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Technology Innovation Center for Chinese Prepared Food, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Hui-Lin Zhao
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Technology Innovation Center for Chinese Prepared Food, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Xu-Hui Huang
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Technology Innovation Center for Chinese Prepared Food, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
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5
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Mao X, Yue SJ, Xu DQ, Fu RJ, Han JZ, Zhou HM, Tang YP. Research Progress on Flavor and Quality of Chinese Rice Wine in the Brewing Process. ACS OMEGA 2023; 8:32311-32330. [PMID: 37720734 PMCID: PMC10500577 DOI: 10.1021/acsomega.3c04732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/18/2023] [Indexed: 09/19/2023]
Abstract
Chinese rice wine (CRW) is a traditional and unique alcoholic beverage in China, favored by many consumers for its rich aroma, unique taste, and complex ingredients. Its flavor is primarily composed of volatile and nonvolatile compounds. These flavor compounds are partly derived from grains and starters (Qu), while the other part is produced by microbial metabolism and chemical reactions during the brewing process. Additionally, ethyl carbamate (EC) in CRW, a hazardous chemical, necessitates controlling its concentration during brewing. In recent years, numerous new brewing techniques for CRW have emerged. Therefore, this paper aims to collect aroma descriptions and thresholds of flavor compounds in CRW, summarize the relationship between the brewing process of CRW and flavor formation, outline methods for reducing the concentration of EC in the brewing process of CRW, and summarize the four stages (pretreatment of grains, fermentation, sterilization, and aging process) of new techniques. Furthermore, we will compare the advantages and disadvantages of different approaches, with the expectation of providing a valuable reference for improving the quality of CRW.
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Affiliation(s)
- Xi Mao
- Key
Laboratory of Shaanxi Administration of Traditional Chinese Medicine
for TCM Compatibility, and State Key Laboratory of Research &
Development of Characteristic Qin Medicine Resources (Cultivation),
and Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New
Drugs Research, Shaanxi University of Chinese
Medicine, Xi’an 712046, Shaanxi Province, China
| | - Shi-Jun Yue
- Key
Laboratory of Shaanxi Administration of Traditional Chinese Medicine
for TCM Compatibility, and State Key Laboratory of Research &
Development of Characteristic Qin Medicine Resources (Cultivation),
and Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New
Drugs Research, Shaanxi University of Chinese
Medicine, Xi’an 712046, Shaanxi Province, China
| | - Ding-Qiao Xu
- Key
Laboratory of Shaanxi Administration of Traditional Chinese Medicine
for TCM Compatibility, and State Key Laboratory of Research &
Development of Characteristic Qin Medicine Resources (Cultivation),
and Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New
Drugs Research, Shaanxi University of Chinese
Medicine, Xi’an 712046, Shaanxi Province, China
| | - Rui-Jia Fu
- Key
Laboratory of Shaanxi Administration of Traditional Chinese Medicine
for TCM Compatibility, and State Key Laboratory of Research &
Development of Characteristic Qin Medicine Resources (Cultivation),
and Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New
Drugs Research, Shaanxi University of Chinese
Medicine, Xi’an 712046, Shaanxi Province, China
| | - Jian-Zhang Han
- Xi’an
DaKou Wine Company Ltd., Xi’an 710300, Shaanxi Province, China
| | - Hao-Ming Zhou
- Key
Laboratory of Shaanxi Administration of Traditional Chinese Medicine
for TCM Compatibility, and State Key Laboratory of Research &
Development of Characteristic Qin Medicine Resources (Cultivation),
and Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New
Drugs Research, Shaanxi University of Chinese
Medicine, Xi’an 712046, Shaanxi Province, China
| | - Yu-Ping Tang
- Key
Laboratory of Shaanxi Administration of Traditional Chinese Medicine
for TCM Compatibility, and State Key Laboratory of Research &
Development of Characteristic Qin Medicine Resources (Cultivation),
and Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New
Drugs Research, Shaanxi University of Chinese
Medicine, Xi’an 712046, Shaanxi Province, China
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Chen L, Xiang W, Liang X, Liu J, Zhu H, Cai T, Zhang Q, Tang J. Fungal Biomarkers in Traditional Starter Determine the Chemical Characteristics of Turbid Rice Wine from the Rim of the Sichuan Basin, China. Foods 2023; 12:foods12030585. [PMID: 36766114 PMCID: PMC9914865 DOI: 10.3390/foods12030585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 01/23/2023] [Accepted: 01/26/2023] [Indexed: 02/01/2023] Open
Abstract
The fungal community in Qu plays a key role in the formation of turbid rice wine (TRW) style. The Sichuan Basin and its surrounding areas have become one of the main TRW production regions in China; however, the fungal community in Qu and how they affect the characteristics of TRW remain unknown. Therefore, this study provided insight into the fungal biomarkers in Qu from Guang'an (GQ), Dazhou (DQ), Aba (AQ), and Liangshan (LQ), as well as their relationships with compounds in TRW. The main biomarkers in GQ were Rhizopus arrhizus, Candida glabrata, Rhizomucor pusillus, Thermomyces lanuginosus and Wallemia sebi. However, they changed to Saccharomycopsis fibuligera and Mucor indicus in DQ, Lichtheimia ramose in AQ, and Rhizopus microsporus and Saccharomyces cerevisiae in LQ. As a response to fungal biomarkers, the reducing sugar, ethanol, organic acids, and volatile compounds were also changed markedly in TRWs. Among important volatile compounds (VIP > 1.00), phenethyl alcohol (14.1-29.4%) was dominant in TRWs. Meanwhile, 3-methyl-1-butanol (20.6-56.5%) was dominant in all TRWs except that fermented by GQ (GW). Acetic acid (29.4%) and ethyl palmitate (10.1%) were dominant in GW and LW, respectively. Moreover, GQ biomarkers were positively correlated with acetic acid and all unique important volatile compounds in GW. DQ biomarkers had positive correlations with unique compounds of acetoin and ethyl 5-chloro-1,3,4-thiadiazole-2-carboxylate in DW. Meanwhile, the AQ biomarkers were positively correlated with all AW unique, important, and volatile compounds. Although there were not any unique volatile compounds in LW, 16 important volatile compounds in LW were positively related to LQ biomarkers. Obviously, biomarkers in different geographic Qu played vital roles in the formation of important volatile compounds, which could contribute specific flavor to TRWs. This study provided a scientific understanding for future efforts to promote the excellent characteristics of TRW by regulating beneficial fungal communities.
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Affiliation(s)
- Lanchai Chen
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
- Key Laboratory of Food Microbiology of Sichuan, Xihua University, Chengdu 610039, China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Xihua University, Chengdu 610039, China
| | - Wenliang Xiang
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
- Key Laboratory of Food Microbiology of Sichuan, Xihua University, Chengdu 610039, China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Xihua University, Chengdu 610039, China
- Correspondence: ; Tel.: +86-28-8772-0552
| | - Xuemei Liang
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
- Sichuan Vocational School of Commerce, Chengdu 611731, China
| | - Junyu Liu
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
| | - Haoyu Zhu
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
| | - Ting Cai
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
- Key Laboratory of Food Microbiology of Sichuan, Xihua University, Chengdu 610039, China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Xihua University, Chengdu 610039, China
| | - Qing Zhang
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
- Key Laboratory of Food Microbiology of Sichuan, Xihua University, Chengdu 610039, China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Xihua University, Chengdu 610039, China
| | - Jie Tang
- School of Food and Bioengineering, Xihua University, Chengdu 610039, China
- Key Laboratory of Food Microbiology of Sichuan, Xihua University, Chengdu 610039, China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Xihua University, Chengdu 610039, China
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Analysis of the Microbial Community Structure and Volatile Metabolites of JIUYAO in Fangxian, China. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8120754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
JIUYAO is an important saccharification starter in the production of huangjiu and is also an important source of flavor. In this study, the microbial community structure of JIUYAO from Fangxian was studied by high-throughput sequencing (HTS) technology for the first time. The volatile flavor compounds of the JIUYAO metabolites were also analyzed by headspace solid-phase microextraction combined with full two-dimensional gas chromatography-mass spectrometry (HS-SPME-GC×GC/MS) for the first time. The results showed that there were 15 dominant bacterial genera, including Weissella, Pediococcus, unclasssified_k_norank_d_Bacteria, Lactobacillus, Leuconostoc, etc. Thirteen species of dominant fungi included Wickerhamomyces, Saccharomycopsis, Rhizopus, etc. The different samples of JIUYAO were similar in their microbial species, but the number of species was significantly different. A total of 191 volatile flavor compounds (VFCs) were detected, among which esters, alcohols, acids, and alkenes were the main flavor compounds, and 21 terpenoids were also detected. In addition, the functional prediction of micro-organisms in JIUYAO revealed that global and overview maps, amino acid metabolism, and carbohydrate metabolism were the dominant categories. Through correlation analysis, 538 potential correlations between the dominant micro-organisms and the different flavor compounds were obtained. This study revealed the interactions between the micro-organisms and the volatile metabolites in JIUYAO, which provided reliable data for the analysis of the microbial community structure of Fangxian JIUYAO and provided theoretical support for the quality evaluation of JIUYAO.
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Xiao R, Chen S, Wang X, Chen K, Hu J, Wei K, Ning Y, Xiong T, Lu F. Microbial community starters affect the profiles of volatile compounds in traditional Chinese Xiaoqu rice wine: Assement via high-throughput sequencing and gas chromatography-ion mobility spectrometry. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Yang Y, Zhong H, Yang N, Xu S, Yang T. Quality improvement of sweet rice wine fermented with Rhizopus delemar on key aroma compounds content, phenolic composition, and antioxidant capacity compared to Rhizopus oryzae. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:2339-2350. [PMID: 35602453 PMCID: PMC9114276 DOI: 10.1007/s13197-021-05250-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 07/14/2021] [Accepted: 08/19/2021] [Indexed: 06/03/2023]
Abstract
The pure culture fermentation has led to less flavorful rice wine and relatively lower bioactive substance level compared to traditional mixed culture fermentation; however, a pure strain is easily controlled by industrialized producers. The purpose of the present research was to screen a species of Rhizopus for improving the flavor deficiency and antioxidant function of sweet rice wine. Seven rice wine samples fermented with isolated strains were analyzed for their total phenolics, total flavonoids, peptide and antioxidant activity using spectrophotometry, as well as ethanol, ethyl acetate, β-phenethyl alcohol, and volatile alcohol contents measured by headspace gas chromatography (HS-GC), the further principal component analysis determined Rhizopus delemar rice wine better on aroma and antioxidant capacity. A comparison of phenolics profile between R. delemar and R. oryzae rice wines was made based on the measurement data of ultrahigh-performance liquid chromatography coupled with Q-exactive orbitrap mass spectrometry (UHPLC-QE-MS) data. Thirty-two phenolics were identified in sweet rice wine. Overall, the results presented in this study showed that a strain of R. delemar is available for the improvement of flavor and antioxidant activity in sweet rice wine, which has the great potential to be applied to industrialized products. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-021-05250-x.
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Affiliation(s)
- Yurong Yang
- National Engineering Laboratory for Rice and by-Product Deep Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004 Hunan China
| | - Haiyan Zhong
- National Engineering Laboratory for Rice and by-Product Deep Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004 Hunan China
| | - Ning Yang
- National Engineering Laboratory for Rice and by-Product Deep Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004 Hunan China
| | - Shuaizhe Xu
- National Engineering Laboratory for Rice and by-Product Deep Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004 Hunan China
| | - Tao Yang
- National Engineering Laboratory for Rice and by-Product Deep Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004 Hunan China
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10
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Theabrownin modulates the gut microbiome and serum metabolome in aging mice induced by D-galactose. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.104941] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Wang L, Yang K, Liu L. Comparative flavor analysis of four kinds of sweet fermented grains by sensory analysis combined with GC-MS. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2022. [DOI: 10.1515/ijfe-2021-0185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Four types of cereals (glutinous rice, purple rice, red rice, yellow millet) were selected to produce sweet fermented grains. Flavor profiles of sweet fermented grains are comparatively studied to distinguish various flavor types by using GC-MS, electronic nose (E-nose), and sensory analysis, and the amino acid composition and physicochemical properties of sweet fermented grains were analyzed. The results showed that the volatile compounds of sweet fermented grains were significantly different. Esters and alcohols were the major volatile compounds in sweet fermented grains. The electronic nose, electronic tongue and sensory analysis jointly verified that the volatile components of sweet fermented grains had differences between them. The sweet fermented grains could be classified based on differences in volatile compounds. In the amino acids analysis, Glu, Pro, Asp and Leu were the most abundant. The difference in physicochemical properties is more helpful to distinguish different types of sweet fermented grains. Correlation analysis between antioxidant active substances and color value showed a positive correlation between with a* value, and a negative correlation with L*, b* value. Our results suggested that there were differences in the flavor characteristics of sweet fermented grains fermented from different types of cereals. The results of the study will provide valuable information for the selection of raw materials for sweet fermented grains.
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Affiliation(s)
- Lei Wang
- College of Food Engineering and Nutrition Science , Shaanxi Normal University , Xi’an , Shaanxi , 710119 , China
| | - Ke Yang
- College of Food Science and Engineering , Northwest Agriculture and Forestry University , Yangling , Shaanxi , 712100 , China
| | - Liu Liu
- College of Food Engineering and Nutrition Science , Shaanxi Normal University , Xi’an , Shaanxi , 710119 , China
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Tian S, Zeng W, Fang F, Zhou J, Du G. The microbiome of Chinese rice wine (Huangjiu). Curr Res Food Sci 2022; 5:325-335. [PMID: 35198991 PMCID: PMC8844729 DOI: 10.1016/j.crfs.2022.01.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/30/2021] [Accepted: 01/09/2022] [Indexed: 12/30/2022] Open
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Yuan H, Chen W, Chen Y, Wang L, Zhang C, Deng W, Zhang L, Liu G, Shen C, Lou K, Wang S. Isolation and characterization of yeast for the production of rice wine with low fusel alcohol content. PLoS One 2021; 16:e0260024. [PMID: 34788334 PMCID: PMC8598244 DOI: 10.1371/journal.pone.0260024] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 10/31/2021] [Indexed: 11/24/2022] Open
Abstract
Fusel alcohols (FAs) are a type of flavor compound found in rice wine. An overly high FA content not only leads to spicy, bitter, and astringent taste but also has side effects. Therefore, screening for yeast that produce low FA contents has attracted much attention. Thirty-two yeast strains were isolated from fermenting material during Luzhou-flavor liquor production in this study. Strain YB-12 was selected as a suitable candidate for rice wine production. The strain was identified as a member of the genus Meyerozyma based on phylogenetic analysis using 26S rDNA gene sequences. The ability of strain YB-12 to produce ethanol was similar to that of Saccharomyces cerevisiae NRRL Y-567, while isobutanol and isoamyl alcohol production was only 53.96% and 50.23%, respectively, of that of NRRL Y-567. The FA yield of rice wine produced with strain YB-12 was reduced to 51.85% in a 20 L fermenter. These results demonstrate that strain YB-12 presents promising characteristics for use in the production of rice wine with a potentially low content of FAs.
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Affiliation(s)
- Huawei Yuan
- Faculty of Quality Management and Inspection & Quarantine, Yibin University, Yibin, Sichuan, China
- Solid-state Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin, Sichuan, China
| | - Wenhao Chen
- Solid-state Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin, Sichuan, China
- Faculty of Agriculture & Forestry and Food Engineering, Yibin University, Yibin, Sichuan, China
| | - Yuanlin Chen
- Faculty of Quality Management and Inspection & Quarantine, Yibin University, Yibin, Sichuan, China
| | - Lian Wang
- Faculty of Quality Management and Inspection & Quarantine, Yibin University, Yibin, Sichuan, China
| | - Chao Zhang
- Solid-state Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin, Sichuan, China
- Faculty of Agriculture & Forestry and Food Engineering, Yibin University, Yibin, Sichuan, China
| | - Wuyuan Deng
- Solid-state Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin, Sichuan, China
- Faculty of Agriculture & Forestry and Food Engineering, Yibin University, Yibin, Sichuan, China
| | - Liqiang Zhang
- Luzhou Laojiao Co., Ltd. Luzhou, Luzhou, Sichuan, China
- National Engineering Technology Research Center of Solid-state Brewing, Luzhou, Sichuan, China
| | - Guangqian Liu
- Luzhou Laojiao Co., Ltd. Luzhou, Luzhou, Sichuan, China
- National Engineering Technology Research Center of Solid-state Brewing, Luzhou, Sichuan, China
| | - Caihong Shen
- Luzhou Laojiao Co., Ltd. Luzhou, Luzhou, Sichuan, China
- National Engineering Technology Research Center of Solid-state Brewing, Luzhou, Sichuan, China
| | - Kai Lou
- Faculty of Quality Management and Inspection & Quarantine, Yibin University, Yibin, Sichuan, China
- * E-mail: (KL); (SW)
| | - Songtao Wang
- Luzhou Laojiao Co., Ltd. Luzhou, Luzhou, Sichuan, China
- National Engineering Technology Research Center of Solid-state Brewing, Luzhou, Sichuan, China
- * E-mail: (KL); (SW)
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Characterization of the key aroma compounds of a sweet rice alcoholic beverage fermented with Saccharomycopsis fibuligera. Journal of Food Science and Technology 2021; 58:3752-3764. [PMID: 34471299 DOI: 10.1007/s13197-020-04833-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 08/28/2020] [Accepted: 10/01/2020] [Indexed: 10/23/2022]
Abstract
This study aims to examine the effect of the non-Saccharomyces yeast Saccharomycopsis fibuligera on the sensory quality and flavour characteristics of a sweet rice alcoholic beverage. The strain S. fibuligera was isolated from a traditional Chinese hand-made starter with the purpose to improving sweet rice wine fragrance. Here, sweet rice wines were produced by six combinations of three species of fermentation strains, including S. fibuligera, Rhizopus and Saccharomyces cerevisiae, for evaluation. The study results showed significant diversities within these rice wines based on indicators including the score of quantitative descriptive analysis and volatile variety and content as well as odour activity value (OAV). Quantitative results showed that 43 volatile compounds were identified by headspace-solid phase microextraction with gas chromatography-mass spectrometry among samples. Based on the principal component analysis and OAV calculation, the two samples (S-2 and S-3) fermented with S. fibuligera and Rhizopus possessed high scores and were distinguished from the others, and ethyl butanoate, ethyl hexanoate, β-phenylethyl alcohol and 1-octen-3-one with high OAVs were responsible for the key aroma of sweet rice wine fermented with S. fibuligera. Co-inoculating S. fibuligera, Rhizopus or/and S. cerevisiae generated more pleasant aroma compounds in a sweet rice alcoholic beverage than when inoculated individually.
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Yu P, Du J, Cao C, Cai G, Sun J, Wu D, Lu J. Development of a novel multi-strain wheat Qu with high enzyme activities for Huangjiu fermentation. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:4808-4817. [PMID: 33502765 DOI: 10.1002/jsfa.11127] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/17/2021] [Accepted: 01/27/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Wheat Qu has long been used as a fermentation starter to produce Huangjiu. Wheat Qu quality depends on its microbial community structure and the hydrolytic enzymes generated by the micro-organisms. RESULTS Strain YF1 and YF2 were successfully screened as they exhibited high acidic protease (231.9 ± 1.4 U g-1 ) and cellulase (7.1 ± 0.6 U g-1 ) activities. Based on a morphological and sequence analysis of the internal transcribed spacer (ITS) gene, YF1 and YF2 were identified as Rhizopus oryzae and Aspergillus niger, respectively. Cooked wheat Qu was produced using mixed fungal starter fermentations with Aspergillus oryzae SU-16, YF1, and YF2. For Qu-making, the optimized conditions for fermentation time, water content, and inoculum size were 47.8 h, 69.4%, and 6.1%, respectively. Under these conditions, compared with single-strain cooked wheat Qu, enzyme activities of amylase, acidic protease, and cellulase increased by 27.4%, 657.1%, and 1276.2%, respectively. Short peptides and free amino acids contents increased by 19.6% and 131.8%, respectively. This wheat Qu was used for Huangjiu brewing, and the alcohol content increased by approximately 14.6% because of the increased starch hydrolysis efficiency mainly attributed to its high enzyme activity. CONCLUSION Using mixed fungal strains as starter cultures may be an efficient strategy to improve wheat Qu quality, with great potential for application in industrial Huangjiu production. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Peibin Yu
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, Wuxi, P. R. China
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi, P. R. China
| | - Jing Du
- Department of Technologies, Jiangsu Yiming Biological Co., Ltd, Taizhou, P. R. China
| | - Chunlei Cao
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, Wuxi, P. R. China
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi, P. R. China
| | - Guolin Cai
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, Wuxi, P. R. China
| | - Junyong Sun
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, Wuxi, P. R. China
| | - Dianhui Wu
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, Wuxi, P. R. China
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi, P. R. China
| | - Jian Lu
- National Engineering Laboratory for Cereal Fermentation Technology (NELCF), Jiangnan University, Wuxi, P. R. China
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi, P. R. China
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Characterization of the aroma compounds of Millet Huangjiu at different fermentation stages. Food Chem 2021; 366:130691. [PMID: 34339922 DOI: 10.1016/j.foodchem.2021.130691] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 07/16/2021] [Accepted: 07/21/2021] [Indexed: 11/23/2022]
Abstract
Millet Huangjiu (MHJ), a type of northern Huangjiu with a long history, has attracted considerable attention in China and East Asia for its unique flavor. To elucidate the changing course of aroma components during the fermentation process of MHJ, 15 MHJ samples prepared at different fermentation stages were assessed by gas chromatography-olfactometry (GC-O) and odor activity value (OAV) coupled with multivariate data analysis. A total of 66 volatile compounds were identified, among which 21 odorant active substances were regarded as the main aroma components (OAVs ≥ 1). The numbers and contents of esters in MHJs accumulated with the extension of fermentation time. Ethanol, ethyl acetate, phenylethyl alcohol and other 7 aromatic substances are the key flavoring agents in the final fermented MHJ. Orthogonal partial least squares-discriminant analysis (OPLS-DA) showed that 14 volatile compounds (formic acid, ethanol, etc.) are supposed to be the key substances that cause significant differences in MHJ flavor at different fermentation stages.
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Barnharst T, Sun X, Rajendran A, Urriola P, Shurson G, Hu B. Enhanced protein and amino acids of corn-ethanol co-product by Mucor indicus and Rhizopus oryzae. Bioprocess Biosyst Eng 2021; 44:1989-2000. [PMID: 33988726 DOI: 10.1007/s00449-021-02580-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 04/29/2021] [Indexed: 11/27/2022]
Abstract
Upcycle of co-products from corn-ethanol plant into protein-rich animal feed with balanced key amino acids via solid-state fermentation is a promising approach to economically support both biofuel and animal feed industries. However, there are multiple types of solid-state fermentation microorganisms and growth conditions that have not been tested. In this study, Mucor indicus and Rhizopus oryzae were used to ferment corn-based wet distiller's grains with solubles (WDGS). The effects of fermentation conditions (temperature, agitation, and moisture) and supplementations (extraneous carbon and nitrogen sources) were evaluated on protein production and amino acids profiles before and after fermentation. The study established best fermentation conditions (23 °C, static incubation for 4 days at 70% initial moisture content) to improve protein content for both R. oryzae and M. indicus. Moreover, urea supplied to R. oryzae and M. indicus improved protein concentration by 35 and 38%, and total amino acids content by 28 and 18%, respectively. The amount of 693.1 and 451.8 mg of additional total amino acids including 262.8 and 227.7 mg of key amino acids (lysine, methionine, tryptophan, and arginine) was synthesized by R. oryzae and M. indicus, respectively, per supply of 536 mg urea in 25 g of WDGS. This study demonstrated the feasibility of urea as a low-cost nitrogen source for amino acid biosynthesis in fungal fermentation of WDGS, which could contribute to the increasing demand for high-value monogastric animal feed.
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Affiliation(s)
- Tanner Barnharst
- Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, Saint Paul, MN, 55108-6005, USA
| | - Xiao Sun
- Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, Saint Paul, MN, 55108-6005, USA
| | - Aravindan Rajendran
- Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, Saint Paul, MN, 55108-6005, USA
| | - Pedro Urriola
- Department of Animal Science, University of Minnesota, Saint Paul, 55108, USA
| | - Gerald Shurson
- Department of Animal Science, University of Minnesota, Saint Paul, 55108, USA
| | - Bo Hu
- Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, Saint Paul, MN, 55108-6005, USA.
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Liu C, Hou H, Lu X, Chen X, Fang D, Hu Q, Zhao L. Production of an innovative mixed Qu (fermentation starter) for waxy maize brewing and comparison of the quality of different waxy maize wines. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:2328-2336. [PMID: 33006380 DOI: 10.1002/jsfa.10854] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/26/2020] [Accepted: 10/02/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Waxy maize (Zea mays L. sinensis Kulesh) is a good material for brewing. Waxy maize wine, a kind of Chinese rice wine, is strongly affected by a fermentation starter named Qu. In this study, an innovative mixed Qu, consisting of two yeasts and three molds, was produced and the raw-starch brewing method was applied in winemaking. Three other waxy maize wines fermented by three kinds of commercial Qu were also analyzed for comparison. RESULTS Due to superb growth and fermentation characteristics, Saccharomyces cerevisiae CICC1009 and Pichia anomala CICC1851 were chosen to produce yeast Qu. The addition amount of yeast Qu was determined to be 30 g kg-1 . In terms of chemical properties, mixed Qu was more suitable for making maize wine by the raw-starch brewing method than the three kinds of commercial Qu with which it was compared. The most influential components for the overall aroma profile in maize wines fermented by mixed Qu and Mifeng Qu were ethyl butyrate and β-damascenone, respectively, while in maize wines fermented by Angel Qu and Like Qu the most influential component was ethyl octanoate. Obvious differences were found among four maize wines regarding bitterness, umami, richness, saltiness, and sourness by the electronic tongue. The olfactory characteristics of maize wine fermented by Mifeng Qu were quite different from the other three according to the electronic nose. CONCLUSION The innovative mixed Qu can be considered as an excellent starter for raw-starch brewing of waxy maize. The chemical indices and volatile flavor compounds of waxy maize wines were greatly affected by different kinds of Qu. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Chang Liu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China
| | - Hui Hou
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China
| | - Xiaoshuo Lu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China
| | - Xin Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China
| | - Donglu Fang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China
| | - Qiuhui Hu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China
| | - Liyan Zhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China
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Liu R, Fu Z, Zhang F, Mao Q, Luan C, Han X, Xue J, Wang D, Qin S, Hao F. Effect of yellow rice wine on anti-aging ability in aged mice induced by d-galactose. FOOD SCIENCE AND HUMAN WELLNESS 2020. [DOI: 10.1016/j.fshw.2020.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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20
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Xiang WL, Zhang ND, Lu Y, Zhao QH, Xu Q, Rao Y, Liu L, Zhang Q. Effect of Weissella cibaria co-inoculation on the quality of Sichuan Pickle fermented by Lactobacillus plantarum. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108975] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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