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Calle JLP, Barea-Sepúlveda M, Ruiz-Rodríguez A, Álvarez JÁ, Ferreiro-González M, Palma M. Rapid Detection and Quantification of Adulterants in Fruit Juices Using Machine Learning Tools and Spectroscopy Data. Sensors (Basel) 2022; 22:3852. [PMID: 35632260 PMCID: PMC9145498 DOI: 10.3390/s22103852] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
Fruit juice production is one of the most important sectors in the beverage industry, and its adulteration by adding cheaper juices is very common. This study presents a methodology based on the combination of machine learning models and near-infrared spectroscopy for the detection and quantification of juice-to-juice adulteration. We evaluated 100% squeezed apple, pineapple, and orange juices, which were adulterated with grape juice at different percentages (5%, 10%, 15%, 20%, 30%, 40%, and 50%). The spectroscopic data have been combined with different machine learning tools to develop predictive models for the control of the juice quality. The use of non-supervised techniques, specifically model-based clustering, revealed a grouping trend of the samples depending on the type of juice. The use of supervised techniques such as random forest and linear discriminant analysis models has allowed for the detection of the adulterated samples with an accuracy of 98% in the test set. In addition, a Boruta algorithm was applied which selected 89 variables as significant for adulterant quantification, and support vector regression achieved a regression coefficient of 0.989 and a root mean squared error of 1.683 in the test set. These results show the suitability of the machine learning tools combined with spectroscopic data as a screening method for the quality control of fruit juices. In addition, a prototype application has been developed to share the models with other users and facilitate the detection and quantification of adulteration in juices.
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Affiliation(s)
- José Luis P. Calle
- Department of Analytical Chemistry, Faculty of Sciences, IVAGRO, CeiA3, University of Cadiz, 11510 Puerto Real, Spain; (J.L.P.C.); (M.B.-S.); (A.R.-R.); (M.P.)
| | - Marta Barea-Sepúlveda
- Department of Analytical Chemistry, Faculty of Sciences, IVAGRO, CeiA3, University of Cadiz, 11510 Puerto Real, Spain; (J.L.P.C.); (M.B.-S.); (A.R.-R.); (M.P.)
| | - Ana Ruiz-Rodríguez
- Department of Analytical Chemistry, Faculty of Sciences, IVAGRO, CeiA3, University of Cadiz, 11510 Puerto Real, Spain; (J.L.P.C.); (M.B.-S.); (A.R.-R.); (M.P.)
| | - José Ángel Álvarez
- Department of Physical Chemistry, Faculty of Sciences, INBIO, University of Cadiz, Apartado 40, 11510 Puerto Real, Spain;
| | - Marta Ferreiro-González
- Department of Analytical Chemistry, Faculty of Sciences, IVAGRO, CeiA3, University of Cadiz, 11510 Puerto Real, Spain; (J.L.P.C.); (M.B.-S.); (A.R.-R.); (M.P.)
| | - Miguel Palma
- Department of Analytical Chemistry, Faculty of Sciences, IVAGRO, CeiA3, University of Cadiz, 11510 Puerto Real, Spain; (J.L.P.C.); (M.B.-S.); (A.R.-R.); (M.P.)
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Chatuphonprasert W, Tukum-Mee W, Wattanathorn J, Jarukamjorn K. Impact of Pineapple Juice on Expression of CYP3A4, NAT2, SULT1A1 and OATP1B1 mRNA in HepG2 Cells. Pak J Biol Sci 2022; 25:15-22. [PMID: 35001571 DOI: 10.3923/pjbs.2022.15.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
<b>Background and Objective:</b> Pineapple (<i>Ananas comosus</i>) is a popular fruit worldwide with natural antioxidant properties. This study examined how pineapple modified the expression of drug-metabolizing enzymes (CYP1A2, CYP2C9, CYP3A4, UGT1A6, NAT2 and SULT1A1) and a drug transporter (OATP1B1) in human hepatocarcinoma (HepG2) cells. <b>Materials and Methods:</b> HepG2 cells (2.5×10<sup>5</sup> cells/well in a 24-well plate) were incubated with pineapple juice extract (125-1,000 μg mL<sup>1</sup>) for 48 hrs in phenol red-free medium. Resazurin reduction, ROS, AST and ALT assays were performed. The mRNA expression of target genes was determined by RT/qPCR. <b>Results:</b> Pineapple juice slightly reduced HepG2 cell viability to 80% of the control, while ROS, AST and ALT levels were not changed. Pineapple juice did not alter the expression of CYP1A2, CYP2C9 and UGT1A6 mRNA. All tested concentrations of pineapple juice suppressed CYP3A4, NAT2 and OATP1B1 expression, while SULT1A1 expression was induced. <b>Conclusion:</b> Though pineapple juice slightly decreased the viability of HepG2 cells, cell morphology and cell function remained normal. Pineapple juice disturbed the expression of phase I (CYP3A4) and phase II (NAT2 and SULT1A1) metabolizing genes and the drug transporter OATP1B1. Therefore, the consumption of excessive amounts of pineapple juice poses a risk for drug interactions.
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Duffy EW, Hall MG, Dillman Carpentier FR, Musicus AA, Meyer ML, Rimm E, Smith Taillie L. Nutrition Claims on Fruit Drinks Are Inconsistent Indicators of Nutritional Profile: A Content Analysis of Fruit Drinks Purchased by Households With Young Children. J Acad Nutr Diet 2021; 121:36-46.e4. [PMID: 32978105 PMCID: PMC7752796 DOI: 10.1016/j.jand.2020.08.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 07/30/2020] [Accepted: 08/05/2020] [Indexed: 11/23/2022]
Abstract
BACKGROUND Fruit drinks are the most commonly consumed sugar-sweetened beverage among young children. Fruit drinks carry many nutrition-related claims on the front of package (FOP). Nutrition-related claims affect individuals' perceptions of the healthfulness of products and purchase intentions, often creating a "health halo" effect. OBJECTIVE The aims of this study were to describe the prevalence of FOP nutrition-related claims on fruit drinks purchased by households with young children and to examine the association between claims and the nutritional profile of fruit drinks. DESIGN The sample included 2059 fruit drinks purchased by households with children 0 to 5 years old participating in Nielsen Homescan in 2017. FOP labels were obtained from 2 databases that contain bar code-level information on all printed material on product labels. A codebook was used to code for presence of FOP nutrition-related claims. The coded claims data were linked by bar code with Nutrition Facts label data. Claim type prevalence was calculated, and the association between claim types and median calories and total grams of sugar per 100 mL was analyzed using Wilcoxon rank-sum tests. The percentages of products containing noncaloric sweeteners (NCSs) with and without each claim type were also calculated and compared. RESULTS Almost all (97%) fruit drinks sampled had at least 1 nutrition-related FOP claim. Implied natural claims such as "natural flavors" were the most common (55% of products), followed by claims about the presence of juice or nectar (49%). Claims about vitamin C (33%), sugar (29%), and calories (23%) were also common. Fruit drinks with vitamin C, juice or nectar, fruit or fruit flavor, and overt natural claims were higher in calories and sugar and less likely to contain NCSs compared with products without these claims. Fruit drinks with calorie, sugar, NCS, implied natural, and other claims were lower in calories and sugar and more likely to contain NCSs compared with products without these claims. CONCLUSIONS Claims are prevalent on fruit drinks purchased by households with young children. This is concerning given prior research demonstrating that claims can mislead consumers. Regulatory actions such as requiring a warning or disclosure on drinks that contain added sugars or NCSs should be considered.
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Affiliation(s)
- Emily W Duffy
- University of North Carolina at Chapel Hill Gillings School of Global Public Health, Chapel Hill, NC
| | - Marissa G Hall
- Department of Health Behavior, University of North Carolina at Chapel Hill Gillings School of Global Public Health, Chapel Hill, NC
| | | | - Aviva A Musicus
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Michele L Meyer
- Hussman School of Journalism and Media, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Eric Rimm
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Lindsey Smith Taillie
- University of North Carolina at Chapel Hill Gillings School of Global Public Health, Chapel Hill, NC.
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Oladunjoye AO, Adeboyejo FO, Okekunbi TA, Aderibigbe OR. Effect of thermosonication on quality attributes of hog plum (Spondias mombin L.) juice. Ultrason Sonochem 2021; 70:105316. [PMID: 32889410 PMCID: PMC7786573 DOI: 10.1016/j.ultsonch.2020.105316] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/15/2020] [Accepted: 08/22/2020] [Indexed: 05/08/2023]
Abstract
The use of thermosonication (TS) technique to preserve the qualities of fruit juice as an alternative to conventional pasteurization has attracted research interest in recent times. In the present study, freshly prepared hog plum juice (control), and the juice samples subjected to pasteurization (90 °C for 60 s) and thermosonication (40 kHz, 400 W at 40, 50 and 60 °C each for 5, 10, 20 and 30 min) were each analyzed for physicochemical, bioactive, microbial and sensory properties. After treatment, no significant changes in pH, total soluble solids and titratable acidity were observed. Notably, TS at 40 and 50 °C significantly (p < 0.05) improved color parameters, cloudiness and browning index. Furthermore, thermosonication increased ascorbic acid (11.40-18.55%), total phenolic content (17.98-18.35%), carotenoids (2.19-4.30%), flavonoids (10-16%) and antioxidant activity (32.52-48.5%) relative to the control. Both treatments significantly reduced the microbial count to non-detectable level after processing, while sensory attributes slightly improved. However, TS treatment at 60 °C decreased most of the quality parameters. Results showed that TS can improve quality, safety and economic potential of hog plum juice as a feasible alternative to pasteurization.
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E Alkafafy M, M Ahmed M, Sayed SM, M El-Shehawi A, Farouk S, S Alotaibi S, El-Shazly SA. Ameliorating Effect of Pineapple Juice on the Obesity-Induced Testicular Impairment in Male Wistar Rat. Pak J Biol Sci 2021; 24:1130-1137. [PMID: 34842384 DOI: 10.3923/pjbs.2021.1130.1137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
<b>Background and Objective:</b> Obesity exerts negative influences on male reproductive capacity via changing the molecular and physical structure of male germ cells. This study was conducted to evaluate the mitigating effects of raw juice of pineapple on obesity-associated testicular impairment in male Wistar rats. <b>Materials and Methods:</b> Rats included the control group (G<sub>I</sub>, n = 6) who received a Normal Diet (ND) and the obese group (G<sub>II</sub>, n = 18) who received a High-Fat Diet (HFD). Obese rats (G<sub>II</sub>) were subdivided into 3 groups (6 rats each): G<sub>II</sub> represents the untreated obesity group that continued to receive HFD with plain Drinking Water (DW), G<sub>III</sub> received ND along with raw juice (15% v/v) in DW and G<sub>IV</sub> continued to receive HFD with raw juice (15% v/v) in DW. Rats were sacrificed at the end of the trial and testis was processed for histopathology and immunohistochemistry. <b>Results:</b> Testis from obese rats revealed a significant increment in spermatogenic cell degeneration, pro-inflammatory Nuclear factor of kappa B (NF-κB) and pro-apoptotic Caspase-3 immunoreactivities. Yet, Proliferating Cell Nuclear Antigen (PCNA) displayed poor immunoreactivity in obese rats' testis relative to controls. Administration of raw juice of pineapple to obese rats significantly reduced degeneration of spermatogenic cells, NF-κB and Caspase-3 immunoreactivities. Additionally, treatment with the juice significantly increased immunoreactivity to PCNA in obese rats. These ameliorating effects were more obvious in rats who received juice along with ND (G<sub>III</sub>) than in those who received it along with HFD (G<sub>IV</sub>). <b>Conclusion:</b> Treatment of obese rats with pineapple juice restored testicular homeostasis, indicating its potential validity to overcome obesity-induced male fertility disorders.
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Chriqui JF, Leider J, Cohen JFW, Schwartz M, Turner L. Are Nutrition Standards for Beverages in Schools Associated with Healthier Beverage Intakes among Adolescents in the US? Nutrients 2020; 13:E75. [PMID: 33383659 PMCID: PMC7824136 DOI: 10.3390/nu13010075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/22/2020] [Accepted: 12/22/2020] [Indexed: 12/01/2022] Open
Abstract
Under the U.S. Department of Agriculture's Smart Snacks in School standards, beverages sold in schools are restricted to water, flavored or unflavored non-fat milk or unflavored low-fat milk (and milk alternatives), and 100% fruit and vegetable juices; and, at the high school level, diet (≤10 kcal), low-calorie (≤60 kcal), and caffeinated beverages may also be sold. Using data from the School Nutrition and Meal Cost Study, this study examined whether secondary school student beverage consumption was associated with school-level à la carte and vending machine beverage availability, controlling for district, school, and student characteristics. On average, most beverages sold in middle schools (84.54%) and high schools (74.11%) were Smart Snacks compliant; while 24.06 percent of middle school students and 14.64 percent of high school students reported consuming non-compliant beverages, including non-compliant milk, fruit drinks, and sports or energy drinks. School beverage availability was not related to consumption among middle school students; however, high school students were less likely to consume non-compliant beverages when enrolled in schools that sold a higher proportion of compliant beverages (Range: OR = 0.97-0.98, 95% CI = 0.95, 1.00). Findings from this study build upon prior research illustrating the role that schools can play in influencing student dietary intake.
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Affiliation(s)
- Jamie F. Chriqui
- Division of Health Policy and Administration, School of Public Health, University of Illinois Chicago, Chicago, IL 60612, USA
- Institute for Health Research and Policy, University of Illinois Chicago, Chicago, IL 60608, USA;
| | - Julien Leider
- Institute for Health Research and Policy, University of Illinois Chicago, Chicago, IL 60608, USA;
| | - Juliana F. W. Cohen
- Department of Public Health and Nutrition, Merrimack College, 315 Turnpike Street, North Andover, MA 01845, USA;
- Department of Nutrition, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115, USA
| | - Marlene Schwartz
- Rudd Center for Food Policy and Obesity, Department of Human Development and Family Sciences, University of Connecticut, 1 Constitution Plaza, Hartford, CT 06103, USA;
| | - Lindsey Turner
- College of Education, Boise State University, 1910 University Drive, Boise, ID 83725, USA;
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Bodakowska-Boczniewicz J, Garncarek Z. Immobilization of Naringinase from Penicillium decumbens on Chitosan Microspheres for Debittering Grapefruit Juice. Molecules 2019; 24:E4234. [PMID: 31766403 PMCID: PMC6930494 DOI: 10.3390/molecules24234234] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 11/18/2019] [Accepted: 11/19/2019] [Indexed: 01/21/2023] Open
Abstract
Naringinase is an enzyme complex which exhibits α-l-rhamnosidase and β-d-glucosidase activity. This enzymatic complex catalyzes the hydrolysis of naringin (4',5,7-trihydroxy flavanone 7-rhamnoglucoside), the main bittering component in grapefruit. Reduction of the level of this substance during the processing of juice has been the focus of many studies. The aim of the study was the immobilization of naringinase on chitosan microspheres activated with glutaraldehyde and, finally, the use of such immobilized enzyme for debittering grapefruit juice. The effect of naringinase concentration and characterization of the immobilized enzyme compared to the soluble enzyme were investigated. The maximum activity was observed at optimum pH 4.0 for both free and immobilized naringinase. However, the optimum temperature was shifted from 70 to 40 °C upon immobilization. The KM value of the immobilized naringinase was higher than that of soluble naringinase. The immobilization did not change the thermal stability of the enzyme. The immobilized naringinase had good operational stability. This preparation retained 88.1 ± 2.8% of its initial activity after ten runs of naringin hydrolysis from fresh grapefruit juice. The results indicate that naringinase immobilized on chitosan has potential applicability for debittering and improving the sensory properties of grapefruit juices.
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Affiliation(s)
| | - Zbigniew Garncarek
- Department of Biotechnology and Food Analysis, Wroclaw University of Economics and Business, 53-345 Wroclaw, Poland;
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Abstract
Food fraud, being the act of intentional adulteration of food for financial advantage, has vexed the consumers and the food industry throughout history. According to the European Committee on the Environment, Public Health and Food Safety, fruit juices are included in the top 10 food products that are most at risk of food fraud. Therefore, reliable, efficient, sensitive and cost-effective analytical methodologies need to be developed continuously to guarantee fruit juice quality and safety. This review covers the latest advances in the past ten years concerning the targeted and non-targeted methodologies that have been developed to assure fruit juice authenticity and to preclude adulteration. Emphasis is placed on the use of hyphenated techniques and on the constantly-growing role of MS-based metabolomics in fruit juice quality control area.
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Affiliation(s)
- Marilena E Dasenaki
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zographou, 15771 Athens, Greece.
| | - Nikolaos S Thomaidis
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zographou, 15771 Athens, Greece.
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Nachman KE, Ginsberg GL, Miller MD, Murray CJ, Nigra AE, Pendergrast CB. Mitigating dietary arsenic exposure: Current status in the United States and recommendations for an improved path forward. Sci Total Environ 2017; 581-582:221-236. [PMID: 28065543 PMCID: PMC5303536 DOI: 10.1016/j.scitotenv.2016.12.112] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 12/08/2016] [Accepted: 12/16/2016] [Indexed: 05/19/2023]
Abstract
Inorganic arsenic (iAs) is a well-characterized carcinogen, and recent epidemiologic studies have linked chronic exposures to non-cancer health outcomes, including cardiovascular disease, diabetes, skin lesions and respiratory disorders. Greater vulnerability has been demonstrated with early life exposure for health effects including lung and bladder cancer, immunotoxicity and neurodevelopment. Despite its well-known toxicity, there are important gaps in the regulatory oversight of iAs in food and in risk communication. This paper focuses on the US regulatory framework in relation to iAs in food and beverages. The state of existing regulatory agency toxicological assessments, monitoring efforts, standard setting, intervention policies and risk communication are explored. Regarding the approach for standard setting, risk-based evaluations of iAs in particular foods can be informative but are insufficient to create a numeric criterion, given current uncertainties in iAs toxicology and the degree to which traditional risk targets can be exceeded by dietary exposures. We describe a process for prioritizing dietary exposures for different lifestages and recommend a relative source contribution-based approach to setting criteria for arsenic in prioritized foods. Intervention strategies begin with an appropriately set criterion and a monitoring program that documents the degree to which this target is met for a particular food. This approach will promote improvements in food production to lower iAs contamination for those foods which initially do not meet the criterion. Risk communication improvements are recommended to ensure that the public has reliable information regarding sources and alternative dietary choices. A key recommendation is the consideration of meal frequency advice similar to what is currently done for contaminants in fish. Recent action level determinations by FDA for apple juice and infant rice cereal are evaluated and used as illustrations of how our recommended approach can further the goal of exposure mitigation from key sources of dietary iAs in the US.
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Affiliation(s)
- Keeve E Nachman
- Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; Johns Hopkins Center for a Livable Future, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; Johns Hopkins Risk Sciences and Public Policy Institute, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
| | | | - Mark D Miller
- Western States Pediatric Environmental Health Specialty Unit, University of California, San Francisco, CA, USA
| | - Carolyn J Murray
- Dartmouth Children's Environmental Health and Disease Prevention Research Center, Hanover, NH, USA; Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Anne E Nigra
- Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
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Koppel K, Anderson EL, Chambers E. Influence of processing on pomegranate (Punica granatum L.) juice flavor and aroma. J Sci Food Agric 2015; 95:1066-1071. [PMID: 24961500 DOI: 10.1002/jsfa.6799] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 05/12/2014] [Accepted: 06/18/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND The objective of this study was to determine the effect of technological treatment on pomegranate juice flavor characteristics, aromatic compounds and physicochemical properties. Fresh, fresh frozen, pasteurized and reconstituted juice samples were made from Wonderful variety pomegranates. The samples were analyzed for their flavor profiles, aromatic compound content and physicochemical parameters (total soluble solids, pH, acidity and total phenolic content). RESULTS The results indicated differences among the samples' flavor characteristics. The most differentiated was the reconstituted sample with fermented and brown flavors, while fresh, fresh frozen, and pasteurized samples did not vary as much. Concentration of aromatic compounds was lower than expected. However, this finding was in line with the flavor profiles of the samples. Some flavors as well as total phenolic content were found to be lower than what has been previously reported, and this may be the result of a number of variables such as the season, growing region and subspecies of the fruit variety. CONCLUSIONS Processing has an effect on pomegranate juice properties; however, the effect is different depending on the processing method chosen. Drying and reconstituting pomegranate seeds have an impact on flavor and aromatic compounds, as well as total phenolic content.
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Affiliation(s)
- Kadri Koppel
- The Sensory Analysis Center, Kansas State University, Manhattan, KS 66502, USA
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