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Youssef S, Custódio L, Rodrigues MJ, Pereira CG, Calhelha RC, Jekő J, Cziáky Z, Ben Hamed K. Harnessing the Bioactive Potential of Limonium spathulatum (Desf.) Kuntze: Insights into Enzyme Inhibition and Phytochemical Profile. PLANTS (BASEL, SWITZERLAND) 2023; 12:3391. [PMID: 37836131 PMCID: PMC10574883 DOI: 10.3390/plants12193391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/23/2023] [Accepted: 09/24/2023] [Indexed: 10/15/2023]
Abstract
This study assessed the halophyte species Limonium spathulatum (Desf.) as a possible source of natural ingredients with the capacity to inhibit enzymes related to relevant human health disorders and food browning. Extracts using food-grade solvents such as water and ethanol were prepared by maceration from dried L. spathulatum leaves. They were evaluated for in vitro inhibition activity of enzymes such as acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), α-glucosidase, tyrosinase and lipase, related to Alzheimer's disease, type-2-diabetes mellitus, skin hyperpigmentation, and obesity, respectively. These extracts were also appraised for in vitro acute toxicity on tumoral and non-tumoral cell lines and their chemical composition by high-performance liquid chromatography coupled with electrospray ionization mass spectrometry (HPLC-ESI-MS/MS). The extracts were more effective towards BChE than AChE. The best results were obtained with the hydroethanolic and water extracts, with IC50 values of 0.03 mg/mL and 0.06 mg/mL, respectively. The hydroethanolic extract had the highest capacity to inhibit α-glucosidase (IC50: 0.04 mg/mL), higher than the positive control used (acarbose, IC50 = 3.14 mg/mL). The ethanol extract displayed the best inhibitory activity against tyrosinase (IC50 = 0.34 mg/mL). The tested samples did not inhibit lipase and exhibited low to moderate cytotoxic activity against the tested cell lines. The hydroethanolic extract had a higher diversity of compounds, followed by the ethanol and water samples. Similar molecules were identified in all the extracts and were mainly hydroxybenzoic acids, hydroxycinnamic acids, and flavonoids. Taken together, these results suggest that L. spathulatum should be further explored as a source of bioactive ingredients for the food, cosmetic, and pharmaceutical industries.
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Affiliation(s)
- Seria Youssef
- Laboratory of Extremophile Plants, Center of Biotechnology of BorjCedria, Hammam-Lif 2050, Tunisia;
| | - Luisa Custódio
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (L.C.); (M.J.R.); (C.G.P.)
| | - Maria João Rodrigues
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (L.C.); (M.J.R.); (C.G.P.)
| | - Catarina G. Pereira
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (L.C.); (M.J.R.); (C.G.P.)
| | - Ricardo C. Calhelha
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal;
| | - József Jekő
- Agricultural and Molecular Research and Service Institute, University of Nyíregyháza, 4405 Nyíregyháza, Hungary; (J.J.); (Z.C.)
| | - Zoltán Cziáky
- Agricultural and Molecular Research and Service Institute, University of Nyíregyháza, 4405 Nyíregyháza, Hungary; (J.J.); (Z.C.)
| | - Karim Ben Hamed
- Laboratory of Extremophile Plants, Center of Biotechnology of BorjCedria, Hammam-Lif 2050, Tunisia;
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Phan DTA. Screening of antioxidant and tyrosinase inhibition activities of spicy vegetables in Vietnam and application of Persicaria odorata leaf extract to preservative white leg shrimp (Litopenaus vannamei). AN ACAD BRAS CIENC 2021; 93:e20191341. [PMID: 34378634 DOI: 10.1590/0001-3765202120191341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 03/16/2020] [Indexed: 11/21/2022] Open
Abstract
In this study, we aimed to exploit natural extracts from the spicy vegetables, which are rich in phenolic compounds as an initial treatment step in the cold storage process for shrimp. Firstly, 40 extracts from 10 types of spicy vegetables in Vietnam were prepared and tested for their bioactivities. Among samples, the extract from Persicaria Odorata leaves (E-4) exhibited the highest potential of scavenging DPPH free radical (IC50 of 7.54 µg.mL-1) and decreasing tyrosinase activity with the inhibition percentage of 54.2 % at the concentration of 100 mg/mL. Twenty-two out of a total of 36 chemical compounds in the E-4 extract identified using HPLC-MS technique were phenolic compounds, in which four compounds (morin, quercetin, fisetin, astragalin) are flavonoids. Shrimp (Litopenaus vannamei) samples were treated with the E-4 extract having lower gray values, lipid peroxidation values, and microbiological counts than those of the control samples after 7 days of storage at 2 oC. These results show the potential of using the natural extract as a safe and effective alternative for commercial chemical-derived preservatives in the shrimp storage process.
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Affiliation(s)
- Dao T A Phan
- University of Technical Education Hochiminh City, Faculty of Chemistry and Food Technology, No. 1, Vo Van Ngan Str., Linh Chieu Ward, Thu Duc Dist., Ho Chi Minh City, 70000 Vietnam
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Purification of a novel monophenolase inhibitory peptides prepared from Vicia faba pods protein via enzymatic hydrolysis. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101123] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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YUNIARTI TATTY, SUKARNO SUKARNO, YULIANA NANCYDEWI, BUDIJANTO SLAMET. Inhibition of Enzymatic Browning by Onion (Allium cepa L.): Investigation on Inhibitory Mechanism and Identification of Active Compounds. CURRENT RESEARCH IN NUTRITION AND FOOD SCIENCE 2018. [DOI: 10.12944/crnfsj.6.3.19] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Presence of browning or black-spot in fresh foods can adversely affect consumer acceptance. Onion has been reported to exert inhibitory activity against browning reaction. This research aimed to uncover the mechanism and identify active compounds in onion responsible for PPO inhibitors based on metabolomic approach. Onion was fractioned using different solvents, i.e n-hexane; chloroform; ethyl acetate; water, respectively. As a result, ethyl acetate fraction (EAF) of the onion demonstrated the strongest inhibition to PPO in comparison with other fractions, i.e. n-hexane, chloroform, and water. The reversible inhibitory activity of PPO by EAF occurred with presence of L-DOPA as substrate through competitive inhibition and Cu chelation in the active side of the PPO. Based on 1H-NMR (X) score plot and PPO inhibition (Y) using OPLS, NMR signals revealed that active compounds accounting for inhibition of PPO included quercetin, kaempferol, cyanidin 3.4’-di-O-β-glucopyranoside, quercetin 4-O-β-D-glucopyranoside, cyanidin 7-O-(3”-O-glucosyl-6”-O-malonyl-β-glucopyrano-side)-4’-O-β-glucopyranoside, cyanidin 3-(6”-O-malonyl) laminaribioside’.
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Affiliation(s)
- TATTY YUNIARTI
- Department of Food Science and Technology, Bogor Agricultural University, Bogor, Indonesia
| | - SUKARNO SUKARNO
- Department of Food Science and Technology, Bogor Agricultural University, Bogor, Indonesia
| | - NANCY DEWI YULIANA
- Department of Food Science and Technology, Bogor Agricultural University, Bogor, Indonesia
| | - SLAMET BUDIJANTO
- Department of Food Science and Technology, Bogor Agricultural University, Bogor, Indonesia
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Yamauchi K, Mitsunaga T. Methylquercetins stimulate melanin biosynthesis in a three-dimensional skin model. J Nat Med 2018; 72:563-569. [PMID: 29442220 DOI: 10.1007/s11418-018-1175-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 01/15/2018] [Indexed: 11/26/2022]
Abstract
In a previous study, we found that both synthetic 3-O-methylquercetin (3MQ) and 3,4',7-O-trimethylquercetin (34'7TMQ) increased extracellular melanin content. 34'7TMQ increased the activity of melanogenic enzymes by stimulating the p38 pathway and the expression of microphthalmia-associated transcription factor (MITF). In contrast, 3MQ increased the activity of melanogenic enzymes without the involvement of MITF, which suggests that 3MQ inhibits the degradation of melanogenic enzymes. In the present study, we investigated the effects of 3MQ and 34'7TMQ on melanogenesis in normal human melanocytes and using a commercial three-dimensional (3D) skin model system. Both 3MQ and 34'7TMQ elongated the dendrites of normal human melanocytes from a Caucasian donor, but did not stimulate melanogenesis in the melanocytes. In the 3D skin model, which included melanocytes from an Asian donor, 3MQ and 34'7TMQ increased and elongated the melanocytes and showed a tendency to stimulate melanogenesis. These results suggest that 3MQ and 34'7TMQ could be put to practical use in skin care products and agents aimed at preventing hair graying.
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Affiliation(s)
- Kosei Yamauchi
- Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan.
| | - Tohru Mitsunaga
- Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
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Screening of Peruvian Medicinal Plants for Tyrosinase Inhibitory Properties: Identification of Tyrosinase Inhibitors in Hypericum laricifolium Juss. Molecules 2017; 22:molecules22030402. [PMID: 28273864 PMCID: PMC6155296 DOI: 10.3390/molecules22030402] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 02/27/2017] [Accepted: 02/28/2017] [Indexed: 11/24/2022] Open
Abstract
Tyrosinase inhibitors are of far-ranging importance in cosmetics, medicinal products, and food industries. Peru is a diverse country with a wide variety of plants that may contain excellent anti-tyrosinase inhibitors. In the present study, the tyrosinase inhibitory properties of 50 medicinal plant extracts from Peru were investigated using tyrosinase assay. Among plant extracts, those that showed an inhibition rate >50% were Hypericum laricifolium Juss., Taraxacum officinale F.H.Wigg., and Muehlenbeckia vulcanica Meisn., with H. laricifolium Juss. showing the greatest anti-tyrosinase activity. Although H. laricifolium Juss. has been widely used as a medicinal plant by Peruvians, little is known regarding its bioactive components and effects on tyrosinase activity. For this reason, we attempted to discover tyrosinase inhibitors in H. laricifolium Juss. for the first time. The bioactive components were separated by Sephadex LH-20 chromatography and eluted with 100% methanol. Eight compounds were discovered and characterized by high-performance liquid chromatography coupled with diode array detection (HPLC-DAD): protocatechuic acid, p-hydroxybenzoic acid, chlorogenic acid, vanilic acid, caffeic acid, kaempferol 3-O-glucuronide, quercetin, and kaempferol. In addition, the concentration of these compounds required for 50% inhibition (IC50) of tyrosinase activity were evaluated. Quercetin exhibited the strongest tyrosinase inhibition (IC50 14.29 ± 0.3 μM). Therefore, the Peruvian plant H. laricifolium Juss. could be a novel source for anti-tyrosinase activity.
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Klimczak I, Gliszczyńska-Świgło A. Green tea extract as an anti-browning agent for cloudy apple juice. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:1420-1426. [PMID: 27378649 DOI: 10.1002/jsfa.7880] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 02/05/2016] [Accepted: 06/27/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Enzymatic browning of fruits and vegetables and their products is an important factor worsening their quality. The influence of five green tea extracts at the concentrations of 1 g L-1 , 2 g L-1 and 3 g L-1 on polyphenol oxidase (PPO) activity in fresh cloudy apple juice was investigated. Moreover, PPO inhibition by tea extract and colour stability of juice during short-time refrigerated storage was studied. The changes of juice colour during storage was expressed as the total colour differences (ΔE*), browning index (BI), yellowness index (YI), and the absorbance at 420 nm (A420 ). RESULTS All extracts inhibited PPO activity in fresh apple juice in concentration-dependent manner. PPO activity in pure apple juice decreased by 7% after 48 h, whereas PPO activity in samples with 1 g L-1 , 2 g L-1 and 3 g L-1 tea extract decreased by 53%, 74%, and 96%, respectively. Browning of apple juice during storage decreased with increased concentration of green tea extract. After 48 h, extract at 1 g L-1 , 2 g L-1 and 3 g L-1 inhibited browning of juice expressed as BI by 48%, 60%, and 86%, respectively, comparing to pure apple juice. CONCLUSION Green tea extract may be an effective anti-browning agent for short-time stored cloudy apple juices. © 2016 Society of Chemical Industry.
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Affiliation(s)
- Inga Klimczak
- Poznań University of Economics and Business, Faculty of Commodity Science, al. Niepodległości 10, 61-875, Poznań, Poland
| | - Anna Gliszczyńska-Świgło
- Poznań University of Economics and Business, Faculty of Commodity Science, al. Niepodległości 10, 61-875, Poznań, Poland
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Shen Y, Xu Z, Sheng Z. Ability of resveratrol to inhibit advanced glycation end product formation and carbohydrate-hydrolyzing enzyme activity, and to conjugate methylglyoxal. Food Chem 2017; 216:153-60. [DOI: 10.1016/j.foodchem.2016.08.034] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 06/11/2016] [Accepted: 08/11/2016] [Indexed: 02/06/2023]
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