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Ikram A, Khalid W, Wajeeha Zafar KU, Ali A, Afzal MF, Aziz A, Faiz Ul Rasool I, Al-Farga A, Aqlan F, Koraqi H. Nutritional, biochemical, and clinical applications of carob: A review. Food Sci Nutr 2023; 11:3641-3654. [PMID: 37457186 PMCID: PMC10345664 DOI: 10.1002/fsn3.3367] [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: 10/31/2022] [Revised: 03/18/2023] [Accepted: 03/28/2023] [Indexed: 07/18/2023] Open
Abstract
Carob is botanically called as Ceratonia siliqua and belongs to the Legumes family. The fruit is derived from hermaphrodite trees and hard in shape. The carob contains high sugar contents in pulp, fat in seed and minerals like potassium, calcium, and phosphorus are present in pods. Polyphenols and antioxidants are abundant in leaves and pods. It can be used for enhancing human health due to its high nutritional profile. Carob gum is used in the pharmaceutical industry in the form of pomades, anti-celiac ingredients, pills, and dental paste. The clinical carob can aid as an anti-cancer, anti-reflux, anti-diabetic, anti-diarrheal, anti-hyperlipidemia, anti-bacterial, anti-microbial, and anti-fungal. Nowadays, carob seeds are being used as an alternative to cocoa powder in food items whereas the leaves, pods, and seeds of carob are also historically used as food for animal feed. However, these parts of carob are available in markets with reasonable prices. Carob production, though with a rising contribution, contributes to the local economy. In this sense, we can incorporate knowledge on the chemical properties and the biological effect of carob fruits on human health. In this study, the supportive and health-promoting impacts of carob are discussed along with the clinical testing obtained from natural constituents of carob. In addition, further studies can be performed to extract and separate polyphenols and antioxidant potential for the development of functional that play a valuable role in pharmaceutical and food sectors.
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Affiliation(s)
- Ali Ikram
- University Institute of Food Science and Technology, The University of Lahore Lahore Pakistan
| | - Waseem Khalid
- University Institute of Food Science and Technology, The University of Lahore Lahore Pakistan
- Department of Food Science, Faculty of Life Sciences Government College University Faisalabad Pakistan
| | | | - Anwar Ali
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health Central South University Changsha China
| | - Muhammad Faizan Afzal
- Department of Food Science, Faculty of Life Sciences Government College University Faisalabad Pakistan
| | - Afifa Aziz
- Department of Food Science, Faculty of Life Sciences Government College University Faisalabad Pakistan
| | - Izza Faiz Ul Rasool
- Department of Food Science, Faculty of Life Sciences Government College University Faisalabad Pakistan
| | - Ammar Al-Farga
- Department of Biochemistry, College of Sciences University of Jeddah Jeddah Saudi Arabia
| | - Faisal Aqlan
- Department of Chemistry, College of Sciences Ibb University Ibb Governorate Yemen
| | - Hyrije Koraqi
- Faculty of Food Science and Biotechnology UBT-Higher Education Institution Pristina Kosovo
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Kang YW, Joo NM. Optimization of Nutrient-Rich Ice Plant ( Mesembryanthemum crystallinum L.) Paste Fresh Noodle Pasta Using Response Surface Methodology. Foods 2023; 12:2482. [PMID: 37444220 DOI: 10.3390/foods12132482] [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: 05/25/2023] [Revised: 06/14/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
The ice plant is a species that is grown mainly in the dry regions of the American West and contains various minerals and ingredients beneficial for human health, such as inositol and beta-carotene. With the growing trend towards healthy foods, pasta consumption has also increased. Pasta is a convenient and low-glycemic-index food that is composed mainly of carbohydrates, proteins, lipids, dietary fiber, and trace amounts of minerals. The optimal mixing ratio was evaluated to produce pasta of the highest quality in terms of blood sugar elevation and antioxidant efficacy. The components and minerals of the ice plant, including D-pinitol and inositol, were analyzed, and 20 essential amino acids were identified. In this study, we also investigated the quality and characteristics of ice plant paste and eggs, as well as the quality, antioxidant activity, and formulation of raw materials mixed with ice plant at different ratios. Optimal conditions were found to be 46.73 g of ice plant paste in 100 g of durum wheat flour, 20.23 g of egg, and 2 g of salt, providing a way to develop fresh pasta that enhances the health benefits of ice plant paste without excessive moisture and other ingredients.
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Affiliation(s)
- Yeo-Wool Kang
- Department of Food and Nutrition, Sookmyung Women's University, Cheongpa-ro 47gil 100, Yongsan-gu, Seoul 04310, Republic of Korea
| | - Na-Mi Joo
- Department of Food and Nutrition, Sookmyung Women's University, Cheongpa-ro 47gil 100, Yongsan-gu, Seoul 04310, Republic of Korea
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Deda O, Begou O, Gika H, Theodoridis G, Agapiou A. Optimization of Carob Products Preparation for Targeted LC-MS/MS Metabolomics Analysis. Metabolites 2023; 13:metabo13050645. [PMID: 37233685 DOI: 10.3390/metabo13050645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/24/2023] [Accepted: 05/04/2023] [Indexed: 05/27/2023] Open
Abstract
Carob (Ceratonia siliqua) is an exceptional source of significant bioactive compounds with great economic importance in the Mediterranean region, where it is widely cultivated. Carob fruit is used for the production of a variety of products and commodities such as powder, syrup, coffee, flour, cakes, and beverages. There is growing evidence of the beneficial effects of carob and the products made from it on a range of health problems. Therefore, metabolomics could be used to explore the nutrient-rich compounds of carob. Sample preparation is a crucial step in metabolomics-based analysis and has a great impact on the quality of the data obtained. Herein, sample preparation of carob syrup and powder was optimized, to enable highly efficient metabolomics-based HILIC-MS/MS analysis. Pooled powder and syrup samples were extracted under different conditions by adjusting pH, solvent type, and sample weight to solvent volume ratio (Wc/Vs). The metabolomics profiles obtained were evaluated using the established criteria of total area and number of maxima. It was observed that the Wc/Vs ratio of 1:2 resulted in the highest number of metabolites, regardless of solvent type or pH. Aqueous acetonitrile with a Wc/Vs ratio of 1:2 satisfied all established criteria for both carob syrup and powder samples. However, when the pH was adjusted, basic aqueous propanol 1:2 Wc/Vs and acidic aqueous acetonitrile 1:2 Wc/Vs provided the best results for syrup and powder, respectively. We strongly believe that the current study could support the standardization of the metabolomics sample preparation process to enable more efficient LC-MS/MS carob analysis.
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Affiliation(s)
- Olga Deda
- Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
- Biomic Auth, Bioanalysis and Omics Laboratory, Centre for Interdisciplinary Research of Aristotle University of Thessaloniki, Innovation Area of Thessaloniki, 57001 Thermi, Greece
| | - Olga Begou
- Biomic Auth, Bioanalysis and Omics Laboratory, Centre for Interdisciplinary Research of Aristotle University of Thessaloniki, Innovation Area of Thessaloniki, 57001 Thermi, Greece
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Helen Gika
- Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
- Biomic Auth, Bioanalysis and Omics Laboratory, Centre for Interdisciplinary Research of Aristotle University of Thessaloniki, Innovation Area of Thessaloniki, 57001 Thermi, Greece
| | - Georgios Theodoridis
- Biomic Auth, Bioanalysis and Omics Laboratory, Centre for Interdisciplinary Research of Aristotle University of Thessaloniki, Innovation Area of Thessaloniki, 57001 Thermi, Greece
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Agapios Agapiou
- Department of Chemistry, University of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus
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Saied DB, Ramadan NS, El-Sayed MM, Farag MA. Effect of Maturity Stage on Cereal and Leguminous Seeds' Metabolome as Analyzed Using Gas Chromatography Mass-Spectrometry (GC-MS) and Chemometric Tools. Metabolites 2023; 13:metabo13020163. [PMID: 36837782 PMCID: PMC9960208 DOI: 10.3390/metabo13020163] [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: 12/06/2022] [Revised: 01/09/2023] [Accepted: 01/12/2023] [Indexed: 01/26/2023] Open
Abstract
Cereal and leguminous seeds are considered as major generic dietary source of energy, carbohydrates as well as proteins in the Mediterranean diet and are frequently consumed in their immature form in several regions including the Middle East. Hence, the current study aimed to assess metabolites' heterogeneity amongst five major cereal and leguminous seeds of different species, and cultivars, i.e., Triticum aestivum L. (two cultivars), Hordeum vulgare L., Vicia faba L. and Cicer arietinum L., at different maturity stages. Gas chromatography mass-spectrometry (GC-MS) analysis using multivariate data analyses was employed for nutrient profiling and sample segregation assessed using chemometric tools, respectively. A total of 70 peaks belonging to sugars, fatty acids/esters, steroids, amino acids and organic acids were identified including sucrose, melibiose, glucose and fructose as major sugars, with butyl caprylate, hydroxybutanoic acid and malic acid contributing to the discrimination between seed species at different maturity stages. The investigation of total protein content revealed comparable protein levels amongst all examined seeds with the highest level detected at 20.1% w/w in mature fava bean. Results of this study provide a novel insight on cereal and leguminous seeds' metabolomics in the context of their maturity stages for the first time in literature.
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Affiliation(s)
- Doaa B. Saied
- Chemistry Department, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
| | - Nehal S. Ramadan
- Chemistry of Tanning Materials and Leather Technology Department, National Research Centre, Giza 12622, Egypt
| | - Magdy M. El-Sayed
- Dairy Science Department, National Research Centre, Giza 12622, Egypt
| | - Mohamed A. Farag
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Correspondence:
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Pandi A, Sattu K, Kalappan VM, Lal V, Varikasuvu SR, Ganguly A, Prasad J. Pharmacological effects of D-Pinitol - A comprehensive review. J Food Biochem 2022; 46:e14282. [PMID: 35735162 DOI: 10.1111/jfbc.14282] [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: 03/16/2022] [Revised: 05/07/2022] [Accepted: 05/17/2022] [Indexed: 11/27/2022]
Abstract
In recent years, the application of phytochemicals to prevent or treat diseases has received greater attention. These phytochemicals have little or no toxicity against healthy tissues and are thus considered as ideal compounds. An impressive number of modern drugs are obtained from natural sources based on their traditional value. D-Pinitol is a natural compound that is derived from soy and soy products. It is a potentially active molecule that belongs to the class of inositols. D-pinitol has been pharmacologically evaluated for its potent antioxidant, anti-diabetic, anti-inflammatory, anti-cancer, hepatoprotective, cardioprotective, renoprotective, neuroprotective, immunosuppressive, and anti-osteoporotic efficacies. This review is an attempt to validate the plausible pharmacological effects of D-pinitol using various in vivo and in vitro studies. PRACTICAL IMPLICATIONS: The consumption of plant-based products has been significantly increased all over the world. The active phytochemicals that are found in plants are stated to have numerous health promoting functions for the treatment of diabetes, cancer, inflammation, cardiac diseases, liver dysfunction, and many other. D-Pinitol is abundantly present in soybeans that possess notable therapeutic activities. Understanding the effects of D-Pinitol would potentially help in applying this compound in clinical research for the treatment of different disorders.
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Affiliation(s)
- Anandakumar Pandi
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS)-Deoghar, Deoghar, Jharkhand, India
| | - Kamaraj Sattu
- Department of Biotechnology, Periyar University, PG Extension centre, Dharmapuri, Tamilnadu, India
| | - Vanitha M Kalappan
- Formerly, Department of Medical Biochemistry, University of Madras, Taramani campus, Chennai, Tamilnadu, India
| | - Vanita Lal
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS)-Deoghar, Deoghar, Jharkhand, India
| | - Seshadri R Varikasuvu
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS)-Deoghar, Deoghar, Jharkhand, India
| | - Anirban Ganguly
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS)-Deoghar, Deoghar, Jharkhand, India
| | - Jitender Prasad
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS)-Deoghar, Deoghar, Jharkhand, India
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Kurzyna-Szklarek M, Cybulska J, Zdunek A. Analysis of the chemical composition of natural carbohydrates - An overview of methods. Food Chem 2022; 394:133466. [PMID: 35716502 DOI: 10.1016/j.foodchem.2022.133466] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 05/13/2022] [Accepted: 06/09/2022] [Indexed: 11/19/2022]
Abstract
Natural carbohydrates are gaining importance over a wide spectrum of human activity due to their versatile functionalities. The properties of carbohydrates are currently used in many branches of industry and new possibilities of their utilization, like in medicine or materials science, are demonstrated systematically. The attractive properties of carbohydrates result from their chemical structure and ability to form macromolecules and derivatives. Each application of carbohydrate requires a knowledge of their chemical composition, which due to the number and differentiation of monosaccharides and their spatial forms is often challenging. This review presents an overview on sample preparation and the methods used for the determination of the fine chemical structure of natural carbohydrates. Most popular and reliable colorimetric, chromatographic and spectroscopic methods are presented with an emphasis on their pros and cons.
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Affiliation(s)
| | - Justyna Cybulska
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland.
| | - Artur Zdunek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
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Wang TL, Li YC, Lin CS, Zou YP. Comprehensive analysis of natural polysaccharides from TCMs: a generic approach based on UPLC-MS/MS. Carbohydr Polym 2022; 277:118877. [PMID: 34893280 DOI: 10.1016/j.carbpol.2021.118877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/20/2021] [Accepted: 11/07/2021] [Indexed: 01/03/2023]
Abstract
Here, we report a new application using liquid chromatography-electrospray mass spectrometry (UHPLC-ESI-MS) using aldononitrile acetate derivatives for simultaneous baseline separation and detection of eight neutral saccharides, two uronic acids, one ketose, and eight alditols within 14 min. The separation was performed on a Cortecs C₁₈ column using acetonitrile (A) and water (B) as the mobile phase with gradient elution. The target components were detected in selected ion monitoring (SIM) mode by mass spectrometry with an electrospray ionization (ESI) source operating in positive ionization mode. A comparison with traditional methods was used to determine the validity of the results. The UHPLC-ESI-MS method was used for quantitative analysis of free carbohydrates in water extracts of Crataegus pinnatifida as well as determination of Polygonatum cyrtonema and Glossy ganoderma monosaccharides in polysaccharides. The results demonstrate that this protocol is a comprehensive and effective technique for qualitative and quantitative analysis of plant polysaccharides from TCMs.
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Affiliation(s)
- Tian-Long Wang
- Guangdong-Macau Traditional Chinese Medicine Technology Industrial Park Development Co., Ltd., Zhuhai 519000, China; Chinese Academy of Sciences Shanghai Institute of Materia Medica, 201210, China
| | - Yi-Cong Li
- Jiangxi Key Laboratory of Active Ingredients of Natural Drugs, Yichun University, Yichun 336000, China
| | - Chun-Sheng Lin
- Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, 150001, China
| | - Yi-Ping Zou
- Jiangxi Key Laboratory of Active Ingredients of Natural Drugs, Yichun University, Yichun 336000, China.
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9
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Qiu J, Yan X, Liao Y, Yu D, Wen C, Xiang Z. An UPLC-MS/MS method for quantification of D-pinitol in rat plasma and its application to a pharmacokinetic and bioavailability study. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1163:122498. [PMID: 33388525 DOI: 10.1016/j.jchromb.2020.122498] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/26/2020] [Accepted: 12/13/2020] [Indexed: 11/15/2022]
Abstract
D-pinitol could be a potential therapeutic agent for the treatment of diabetes mellitus (DM) type II. In this work, a sensitive and rapid ultra performance liquid chromatography coupled with tandem mass spectrometry method was firstly developed and validated for the determination and pharmacokinetic study of D-pinitol in rat plasma. D-pinitol and 5,7-dihydroxychromone (Internal Standard, IS) were completely separated on a BEH C18 column. The plasma samples were deproteinated with acetonitrile: ethanol (1:1). The MRM transitions for D-pinitol was m/z 179.125 → 105.049, and for IS was m/z 195.085 → 109.031. The method linearity ranges was 5-200 ng/mL. The precision, accuracy, recovery, matrix effect, stability under different conditions, were all within the required criteria. After intragastric (50 mg/kg) administration of D-pinitol to the rats, the maximum plasma concentration (Cmax) was 77.8 ± 19.5 ng/mL. The time to reach the maximum plasma concentration (Tmax) was 2.2 ± 0.98 h. Apparent distribution volume (Vz) was 1557.5 ± 1329.1 L/kg and the plasma centration time curve (AUC0-t) was 1265.5 ± 479.3 µg/L*h. After intravenous (5.0 mg/kg) administration, Vz was 325.2 ± 107.8 L/kg and AUC(0-t) was 693.0 ± 89.9 µg/L*h. Our study indicated D-pinitol had a slow elimination phase and might be the high affinity binding to blood protein in vivo, which are helpful for its further drug development and clinical application.
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Affiliation(s)
- Jieying Qiu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, People's Republic of China
| | - Xixi Yan
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, People's Republic of China
| | - Yingyi Liao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, People's Republic of China
| | - Deguan Yu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, People's Republic of China
| | - Congcong Wen
- Laboratory Animal Center, Wenzhou Medical University, Wenzhou 325035, People's Republic of China.
| | - Zheng Xiang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, People's Republic of China.
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Kokkinofta R, Yiannopoulos S, Stylianou MA, Agapiou A. Use of Chemometrics for Correlating Carobs Nutritional Compositional Values with Geographic Origin. Metabolites 2020; 10:E62. [PMID: 32050624 PMCID: PMC7074360 DOI: 10.3390/metabo10020062] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/31/2020] [Accepted: 02/05/2020] [Indexed: 12/14/2022] Open
Abstract
Carobs unique compositional and biological synthesis enables their characterization as functional foods. In the present study, 76 samples derived from fruit and seeds of carobs, with origin from the countries of the Mediterranean region (Cyprus, Greece, Italy, Spain, Turkey, Jordan and Palestine) were analyzed for their nutritional composition, in order to identify potential markers for their provenance and address the carobs' authenticity issue. Moisture, ash, fat, proteins, sugars (fructose, glucose, sucrose), dietary fibers and minerals (Ca, K, Mg, Na, P, Cu, Fe, Mn, Zn) were estimated following official methods. Due to the large number of data (76 samples × 17 parameters × 7 countries), chemometric techniques were employed to process them and extract conclusions. The samples of different geographical origin were discriminated with 79% success in total. The carobs from Cyprus, Italy and Spain were correctly classified without error. The main discriminators were found to be the dietary fibers, the carbohydrates and Cu, Zn and Mn, which emphasize their specific nutritional added value to the product and the country of origin impact. The results suggest that the proposed analytical approach is a powerful tool that enables the discrimination of carobs based on their country of origin. This research contributes to authenticity of carobs, adding value to local products.
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Affiliation(s)
| | | | - Marinos A. Stylianou
- Department of Chemistry, University of Cyprus, P.O. Box 20537, 1678 Nicosia, Cyprus
| | - Agapios Agapiou
- Department of Chemistry, University of Cyprus, P.O. Box 20537, 1678 Nicosia, Cyprus
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Application of Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry Imaging for Food Analysis. Foods 2019; 8:foods8120633. [PMID: 31810360 PMCID: PMC6963588 DOI: 10.3390/foods8120633] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 11/21/2019] [Accepted: 11/28/2019] [Indexed: 02/06/2023] Open
Abstract
Food contains various compounds, and there are many methods available to analyze each of these components. However, the large amounts of low-molecular-weight metabolites in food, such as amino acids, organic acids, vitamins, lipids, and toxins, make it difficult to analyze the spatial distribution of these molecules. Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) imaging is a two-dimensional ionization technology that allows the detection of small metabolites in tissue sections without requiring purification, extraction, separation, or labeling. The application of MALDI-MS imaging in food analysis improves the visualization of these compounds to identify not only the nutritional content but also the geographical origin of the food. In this review, we provide an overview of some recent applications of MALDI-MS imaging, demonstrating the advantages and prospects of this technology compared to conventional approaches. Further development and enhancement of MALDI-MS imaging is expected to offer great benefits to consumers, researchers, and food producers with respect to breeding improvement, traceability, the development of value-added foods, and improved safety assessments.
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Rodríguez-Solana R, Coelho N, Santos-Rufo A, Gonçalves S, Pérez-Santín E, Romano A. The Influence of In Vitro Gastrointestinal Digestion on the Chemical Composition and Antioxidant and Enzyme Inhibitory Capacities of Carob Liqueurs Obtained with Different Elaboration Techniques. Antioxidants (Basel) 2019; 8:E563. [PMID: 31744100 PMCID: PMC6912352 DOI: 10.3390/antiox8110563] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 12/13/2022] Open
Abstract
Carob liqueur is a traditional Mediterranean alcoholic beverage obtained via a wide range of production techniques contributing to the different organoleptic attributes of the final product. The aim of this research was to evaluate the stability of the chemical composition and biological capacities (antioxidant and enzyme inhibition) under in vitro simulated gastrointestinal digestion of liqueurs prepared by flavouring the fig spirit with carob pulp by maceration, distillation, percolation, or aqueous and hydro-alcoholic infusions. For this purpose, the phenolic and furanic compositions, the total phenolic (TPC) and flavonoid (TFC) contents, antioxidant capacity (AC), and enzyme inhibitory potential against acethylcholinesterase, tyrosinase, α-glucosidase and α-amylase enzymes were evaluated. The content of gallic acid decreased after gastrointestinal digestion, while TPC, TFC, and AC significantly increased after each digestion phase. Overall, no significantly different enzyme inhibitions (p < 0.05) were observed among digested liqueurs, with moderate inhibition against acethylcholinesterase and tyrosinase (enzymes related with neurodegenerative diseases), and potent and low inhibitory capacities for α-glucosidase and α-amylase, respectively (ideal conditions employed in antidiabetic therapy). The study indicates that hydro-alcoholic infusion and maceration were the most appropriate methods to obtain liqueurs with higher values of the aforementioned parameters and safe levels of toxic furanics.
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Affiliation(s)
- Raquel Rodríguez-Solana
- Faculdade de Ciências e Tecnologia (MeditBio), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (N.C.); (S.G.)
| | - Natacha Coelho
- Faculdade de Ciências e Tecnologia (MeditBio), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (N.C.); (S.G.)
| | - Antonio Santos-Rufo
- Laboratory of Plant Pathology, Area of Crop Protection, Andalusian Institute of Agricultural Research and Training (IFAPA), Centro ‘Alameda del Obispo’, Apartado 3092, 14080 Cordoba, Spain;
| | - Sandra Gonçalves
- Faculdade de Ciências e Tecnologia (MeditBio), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (N.C.); (S.G.)
| | - Efrén Pérez-Santín
- Graduate School of Engineering and Technology, Universidad Internacional de La Rioja (UNIR), Av. de la Paz, 137, Logroño, 26006 La Rioja, Spain;
| | - Anabela Romano
- Faculdade de Ciências e Tecnologia (MeditBio), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (N.C.); (S.G.)
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