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An P, Li L, Huang P, Zheng Y, Jin Z, Korma SA, Ren N, Zhang N. Lacticaseibacillus rhamnosus C1 effectively inhibits Penicillium roqueforti: Effects of antimycotic culture supernatant on toxin synthesis and corresponding gene expression. Front Microbiol 2023; 13:1076511. [PMID: 36777030 PMCID: PMC9909597 DOI: 10.3389/fmicb.2022.1076511] [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: 10/21/2022] [Accepted: 12/23/2022] [Indexed: 01/27/2023] Open
Abstract
Recently, consumers are increasingly concerned about the contamination of food by molds and the addition of chemical preservatives. As natural and beneficial bacteria, probiotics are a prospective alternative in food conservation because of their antimycotic activities, although the mechanism has not been explained fully at the level of metabolites. This study aimed at investigating the antifungal activities and their mechanisms of five potential probiotic strains (Lacticaseibacillus rhamnosus C1, Lacticaseibacillus casei M8, Lactobacillus amylolyticus L6, Schleiferilactobacillus harbinensis M1, and Limosilactobacillus fermentum M4) against Penicillium roqueforti, the common type of mold growth on the bread. Results showed that C1 emerged the strongest effectiveness at blocking mycelium growth, damaging the morphology of hyphae and microconidia, decreasing DNA content and interfering in the synthesis of the fungal toxins patulin, roquefortine C and PR-toxin, as well as downregulating the expression of key genes associated with the toxin biosynthesis pathways. Further metabonomic investigation revealed that protocatechuic acid with the minimum inhibitory concentration of 0.40 mg/mL, may be most likely responsible for positively correlated with the antimycotic effects of C1. Thus, C1 is expected to be both a potentially greatly efficient and environmental antimycotic for controlling P. roqueforti contamination in foods.
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Affiliation(s)
- Peipei An
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Li Li
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China,Innovation and Research Platforms of Life and Health, China-Singapore International Joint Research Institute, Guangzhou, China,*Correspondence: Li Li, ✉
| | - Pei Huang
- Department of Data Science, School of Software Engineering, South China University of Technology, Guangzhou, China
| | - Yin Zheng
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Zekun Jin
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Sameh A. Korma
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China,Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig, Sharkia, Egypt
| | - Namei Ren
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Nan Zhang
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
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Grzelczyk J, Szwajgier D, Baranowska-Wójcik E, Budryn G, Zakłos-Szyda M, Sosnowska B. Bioaccessibility of coffee bean hydroxycinnamic acids during in vitro digestion influenced by the degree of roasting and activity of intestinal probiotic bacteria, and their activity in Caco-2 and HT29 cells. Food Chem 2022; 392:133328. [DOI: 10.1016/j.foodchem.2022.133328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/22/2022] [Accepted: 05/25/2022] [Indexed: 11/04/2022]
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Hou R, Hu J, Wang Y, Wei H, Gao MT. Simultaneous production of cellulase and ferulic acid esterase by Penicillium decumbens with rice straw as the sole carbon source. J Biosci Bioeng 2019; 129:276-283. [PMID: 31630943 DOI: 10.1016/j.jbiosc.2019.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/30/2019] [Accepted: 09/17/2019] [Indexed: 01/17/2023]
Abstract
As well as cellulose and hemicelluloses, rice straw contains phenolic acids. The simultaneous production of monosaccharides and phenolic acids could improve the value of rice straw. In this study, it was confirmed that Penicillium decumbens produces more ferulic acid esterase (FAE) than other cellulase-producing fungi. Cellulose, destarched wheat bran (DSWB), and rice straw were used as carbon sources. Little phenolic acid was released by cellulose- and DSWB-based enzymes during the saccharification of rice straw, whereas rice straw was a favorable carbon source for the simultaneous production of cellulase and FAE. High-performance liquid chromatography showed that during enzyme production, phenolic acids were released from rice straw, and ball-milling affected this release of phenolic acids. Small amounts of phenolic acids induced FAE production. Although the enzymes produced with rice straw showed lower FAE activity than those produced with DSWB, phenolic acids were produced efficiently during the saccharification of rice straw in response to the synergistic effects of cellulase and FAE. Therefore, we suggest that the production of enzymes by P. decumbens on rice straw as the sole carbon source will allow the production of more valuable products from rice straw, making the utilization of rice straw more economic.
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Affiliation(s)
- Rongrong Hou
- Shanghai Key Laboratory of Bio-energy Crops, School of Life Sciences, Shanghai University, 99 Shangda Road, 200444 Shanghai, China
| | - Jiajun Hu
- Shanghai Key Laboratory of Bio-energy Crops, School of Life Sciences, Shanghai University, 99 Shangda Road, 200444 Shanghai, China
| | - Yazhu Wang
- Shanghai Key Laboratory of Bio-energy Crops, School of Life Sciences, Shanghai University, 99 Shangda Road, 200444 Shanghai, China
| | - Huanran Wei
- Shanghai Key Laboratory of Bio-energy Crops, School of Life Sciences, Shanghai University, 99 Shangda Road, 200444 Shanghai, China
| | - Min-Tian Gao
- Shanghai Key Laboratory of Bio-energy Crops, School of Life Sciences, Shanghai University, 99 Shangda Road, 200444 Shanghai, China.
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Characterization of Cinnamoyl Esterases from Different Lactobacilli and Bifidobacteria. Curr Microbiol 2016; 74:247-256. [DOI: 10.1007/s00284-016-1182-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 12/10/2016] [Indexed: 10/20/2022]
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Peyer LC, Axel C, Lynch KM, Zannini E, Jacob F, Arendt EK. Inhibition of Fusarium culmorum by carboxylic acids released from lactic acid bacteria in a barley malt substrate. Food Control 2016. [DOI: 10.1016/j.foodcont.2016.05.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Brewers' spent grain; bioactivity of phenolic component, its role in animal nutrition and potential for incorporation in functional foods: a review. Proc Nutr Soc 2012; 72:117-25. [PMID: 23137812 DOI: 10.1017/s0029665112002820] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Brewers' spent grain (BSG) is a low-value co-product of the brewing industry produced in large quantities annually. This paper reviews the existing evidence regarding the phenolic component of BSG, focusing on composition, extraction and biofunctions such as antioxidant, anti-atherogenic, anti-inflammatory and anti-carcinogenic activities. Furthermore, the incorporation of BSG in foodstuffs will be discussed, including the use of BSG as an animal feed supplement and the potential of BSG to be incorporated into foods for human consumption. BSG contains hydroxycinnamic acids including ferulic acid, p-coumaric acid and caffeic acid; which have shown bioactivity in the pure form (antioxidant, anti-inflammatory, anti-atherogenic and anti-cancer). Phenolic extracts from BSG have also shown antioxidant potential, by protecting against oxidant-induced DNA damage, possibly by Fe chelation. Studies show that BSG has many benefits when used as a supplement in animal feed, such as increasing milk yield, milkfat content and in providing essential dietary amino acids. The incorporation of BSG in human foods such as cookies and ready-to-eat snacks has resulted in increased protein and fibre contents of the products, where the changes in organoleptic properties are controllable. It can be concluded that the phenolic component of BSG has potential bioactive effects, which are worth pursuing given that the inclusion of BSG into human foodstuffs is viable and beneficial.
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