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Fu H, Wang L, Gu J, Peng X, Zhao J. Effects of Litsea cubeba Essential Oil-Chitosan/Corn Starch Composite Films on the Quality and Shelf-Life of Strawberry ( Fragaria × ananassa). Foods 2024; 13:599. [PMID: 38397578 PMCID: PMC10888304 DOI: 10.3390/foods13040599] [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: 01/04/2024] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
In this work, we have developed a composite chitosan film incorporating the Litsea cubeba essential oil (LCEO) and starch with good physical properties, and investigated the effect of coating strawberries with this composite film. The best formula of the LCEO/chitosan/corn starch/glycerol (LCEO/CH/CS/gly) composite films is 0.25% LCEO, 2.75% CH, 0.40% corn starch, and 0.75% glycerol. Coating strawberries with CH/CS/gly film or LCEO/CH/CS/gly films resulted in significantly lower respiration intensity and a slower decay rate, much slower decreases in the firmness, and reductions in the sugar and ascorbic acid content of the fruit during storage (p < 0.05). The coatings also led to a much slower accumulation of malondialdehyde and anthocyanins (p < 0.05). The LCEO/CH/CS/gly film was generally more effective than the CH/CS/gly film; however, the effect was more obvious in the later stages of storage. Thus, coating strawberries with CH/CS/gly film or LCEO/CH/CS/gly film can be a viable method for extending the shelf-life of the fruit.
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Affiliation(s)
- Hongjun Fu
- College of Food Science and Engineering, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha 41004, China; (H.F.); (L.W.); (J.G.)
| | - Liyuan Wang
- College of Food Science and Engineering, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha 41004, China; (H.F.); (L.W.); (J.G.)
| | - Jiahui Gu
- College of Food Science and Engineering, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha 41004, China; (H.F.); (L.W.); (J.G.)
| | - Xianglian Peng
- College of Food Science and Engineering, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha 41004, China; (H.F.); (L.W.); (J.G.)
| | - Jian Zhao
- Food Science and Technology, School of Chemical Engineering, UNSW Australia, Sydney 2052, Australia
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De Bruno A, Gattuso A, Ritorto D, Piscopo A, Poiana M. Effect of Edible Coating Enriched with Natural Antioxidant Extract and Bergamot Essential Oil on the Shelf Life of Strawberries. Foods 2023; 12:foods12030488. [PMID: 36766017 PMCID: PMC9914418 DOI: 10.3390/foods12030488] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/13/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
In this study, the effects of the application of edible coatings on the shelf life of the strawberry were evaluated, with the aim of extending the fruit's availability and shelf life while preserving its qualitative characteristics. In particular, the application of edible coatings enriched with a natural antioxidant to strawberries was evaluated for their physicochemical, microbial, and structural properties, during a storage period (up to 14 days) at refrigerated temperature. The experimental plan provided the formulation for edible coatings enriched with different concentrations of a natural antioxidant extract obtained from bergamot (Citrus bergamia Risso) pomace (1, 2.5, and 5%), bergamot essential oil (0.1% v/v and 0.2% v/v), and a synthetic antioxidant, butylated hydroxytoluene (BHT, 100 ppm). Moreover, a control test with untreated strawberries was considered. The enriched gum Arabic coatings provided good results related to the preservation of the qualitative parameters of the strawberries. The samples coated with the antioxidant extract (2.5%, sample D) and bergamot essential oil (0.1%, sample F) showed the best maintenance of the qualitative parameters after 14 days, showing lower decay rates (36% D and 27% F), good acceptability by consumers (between 5 and 6), and good retention of ascorbic acid (>30 mg 100 g-1).
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Affiliation(s)
- Alessandra De Bruno
- Department of AGRARIA, University Mediterranea of Reggio Calabria, 89124 Reggio Calabria, Italy
| | - Antonio Gattuso
- Department of AGRARIA, University Mediterranea of Reggio Calabria, 89124 Reggio Calabria, Italy
- Experimental Station for the Industry of the Essential Oils and Citrus Products SSEA, 89127 Reggio Calabria, Italy
| | - Davide Ritorto
- Department of AGRARIA, University Mediterranea of Reggio Calabria, 89124 Reggio Calabria, Italy
| | - Amalia Piscopo
- Department of AGRARIA, University Mediterranea of Reggio Calabria, 89124 Reggio Calabria, Italy
| | - Marco Poiana
- Department of AGRARIA, University Mediterranea of Reggio Calabria, 89124 Reggio Calabria, Italy
- Correspondence: ; Tel.: +39-0965-1694367
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Zappia A, Spanti A, Princi R, Imeneo V, Piscopo A. Evaluation of the Efficacy of Antioxidant Extract from Lemon By-Products on Preservation of Quality Attributes of Minimally Processed Radish ( Raphanus sativus L.). Antioxidants (Basel) 2023; 12:antiox12020235. [PMID: 36829794 PMCID: PMC9952553 DOI: 10.3390/antiox12020235] [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: 12/28/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/22/2023] Open
Abstract
The aim of this work was to enhance the use of a food-grade antioxidant extract obtained from lemon processing byproducts (peel, pulp and seeds) to extend the shelf life of minimally processed radishes. The extract (LPE) was previously characterized in terms of total phenolic (6.75 ± 0.34 mg GAE g-1 d.w.) and flavonoid content (2.04 ± 0.09 mg CE g-1 d.w.) and antioxidant activity, and eriocitrin and hesperidin were identified as the most prevalent phenolic compounds by a UHPLC system. The effects of different dipping aqueous solutions (UCR, DRa, DRb) and alginate-based edible coating formulations (CRc, CRd) with and without the antioxidant extract were studied on the quality parameters of minimally processed radishes, characterized regarding their microbiological and physicochemical characteristics for up to 14 days at 3 °C. The coating formulated with LPE delayed the radish respiration process, as well as resulting in less color variation (ΔE < 3) and reduced mesophilic aerobic count values (4.49 ± 1.43 log CFU g-1), proving the effectiveness of LPE as a value-added ingredient in developing post-harvest strategies to prolong the shelf life of minimally processed vegetables. Indeed, coated samples without the extract showed a clear development of rotting, which led to the end of their shelf life on their 7th day of storage.
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Affiliation(s)
- Angela Zappia
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Vito, 89124 Reggio Calabria, Italy
| | - Angelica Spanti
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Vito, 89124 Reggio Calabria, Italy
| | - Rossella Princi
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Vito, 89124 Reggio Calabria, Italy
| | - Valeria Imeneo
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via G. Celoria 2, 20133 Milan, Italy
- Correspondence:
| | - Amalia Piscopo
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Vito, 89124 Reggio Calabria, Italy
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Bikila AM, Tola YB, Esho TB, Forsido SF. Anchote ( Coccinia abyssinica [Lam.] Cogn.) powder, an underutilized indigenous crop, as a substitute to commercial pectin in the production of strawberry jam. Heliyon 2022; 8:e10700. [PMID: 36164529 PMCID: PMC9508477 DOI: 10.1016/j.heliyon.2022.e10700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/05/2022] [Accepted: 09/14/2022] [Indexed: 11/26/2022] Open
Abstract
The study investigated the potential of anchote (Coccinia abyssinica [Lam.] Cogn.) tuber powder as a substitute to commercial pectin. Mixture D-optimal design was used to generate 14 experimental runs using ranges: strawberry fruit (45–55%), sugar (43–53%), and anchote powder (0.75–1.75%). The effect of anchote powder on physicochemical and textural qualities of the jams was evaluated. The parameters measured include: moisture content (30.7–32.8%), total soluble solid (50.7–65.4 ºBrix), water activity (0.73–0.80), pH (2.93–3.13), titratable acidity (0.58–0.72%), gel strength (326.39–440.37 g mm), hardness (26.36–35.09 g), cohesiveness (0.89–0.94), energy of penetration (418.72–489.51 g s), adhesiveness (−25.38 to −103.79 g s) and stickiness (−13.78 to −29.22 g). The jam formulation J13 (50% strawberry, 48.2% sugar, 1.33% anchote) was best performing. Numerical optimization showed the best combination of parameters at 52.4% strawberry, 46.0% sugar, 1.07% anchote. The jam formulated with anchote powder was comparable with the jam made using pectin.
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Affiliation(s)
- Adugna Mosissa Bikila
- Department of Post-Harvest Management, College of Agriculture and Veterinary Medicine, Jimma University, P. O. Box 307, Jimma, Ethiopia.,Department of Food Science and Nutrition, Faculty of Agriculture, Wollega University, P. O. Box 38, Shambu, Ethiopia
| | - Yetenayet Bekele Tola
- Department of Post-Harvest Management, College of Agriculture and Veterinary Medicine, Jimma University, P. O. Box 307, Jimma, Ethiopia
| | - Tarekegn Berhanu Esho
- Department of Industrial Chemistry, Addis Ababa Science and Technology University, P. O. Box 16417, Addis Ababa, Ethiopia
| | - Sirawdink Fikreyesus Forsido
- Department of Post-Harvest Management, College of Agriculture and Veterinary Medicine, Jimma University, P. O. Box 307, Jimma, Ethiopia
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Taher MA, Lo'ay AA, Gouda M, Limam SA, Abdelkader MFM, Osman SO, Fikry M, Ali EF, Mohamed SY, Khalil HA, El-Ansary DO, El-Gioushy SF, Ghazzawy HS, Ibrahim AM, Maklad MF, Abdein MA, Hikal DM. Impacts of Gum Arabic and Polyvinylpyrrolidone (PVP) with Salicylic Acid on Peach Fruit ( Prunus persica) Shelf Life. Molecules 2022; 27:molecules27082595. [PMID: 35458795 PMCID: PMC9025755 DOI: 10.3390/molecules27082595] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 02/01/2023] Open
Abstract
Peaches are grown in many Egyptian orchards for local and global fresh market sales. The interior fruit tissue breakdown (IFTB), often resulting in decayed peaches, is a severe problem during marketing. Therefore, to minimize FTB of peaches, in this study, gum arabic (GA) and polyvinylpyrrolidone (PVP) were mixed with different concentrations of salicylic acid (SA) (0, 1, and 2 mM) and were applied as edible coating to extend the shelf life of peach fruits. Mature peaches were selected and harvested when peaches reached total soluble solid content (SSC: 8.5%) and fruit firmness of about 47 N. Fruits were coated and stored at room temperature (26 ± 1 °C and air humidity 51 ± 1%) for 10 days during two seasons: 2020 and 2021. Fruit coated with GA/PVP-SA 2 mM showed a significant (p < 0.05) inhibition in degrading enzyme activities (CWDEs), such as lipoxygenase (LOX), cellulase (CEL), and pectinase (PT), compared to uncoated and coated fruits during the shelf-life period. Hence, cell wall compartments were maintained. Consequently, there was a reduction in browning symptoms in fruits by inhibiting polyphenol oxidase (PPO) and phenylalanine ammonia-lyase (PAL) activities. Thus, the fruit skin browning index showed almost no symptoms. The lipid peroxidation process and ionic permeability declined as well. The result suggests that, by applying GA/PVP-SA 2 mM as an edible coating, fruit tissue breakdown can be minimized, and the shelf life of peach can be extended up to 10 days without symptoms of tissue breakdown.
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Affiliation(s)
- Mohamed A Taher
- Agricultural Chemistry Department, Faculty of Agriculture, Mansoura University, El-Mansoura 35336, Egypt
| | - A A Lo'ay
- Pomology Department, Faculty of Agriculture, Mansoura University, El-Mansoura 35336, Egypt
| | - Mostafa Gouda
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
- Department of Nutrition and Food Science, National Research Centre, Dokki, Giza 12422, Egypt
| | - Safaa A Limam
- Food Science and Technology Department, Faculty of Agriculture, Assiut University, Assiut 71526, Egypt
| | - Mohamed F M Abdelkader
- Department of Plant Production, College of Food and Agriculture, King Saud University, Riyadh 12372, Saudi Arabia
| | - Samah O Osman
- Horticulture Research Institute, Agricultural Research Center, Giza 12619, Egypt
| | - Mohammad Fikry
- Department of Agricultural and Biosystems Engineering, Faculty of Agriculture, Benha University, Moshtohor, Toukh 13736, Egypt
| | - Esmat F Ali
- Department of Biology, College of Science, Taif University, Taif 21944, Saudi Arabia
| | - Sayed Y Mohamed
- Horticulture Research Institute, Agricultural Research Center, Giza 12619, Egypt
| | - Hoda A Khalil
- Department of Pomology, Faculty of Agriculture (EL-Shatby), Alexandria University, Alexandria 21545, Egypt
| | - Diaa O El-Ansary
- Precision Agriculture Laboratory, Pomology Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
| | - Sherif F El-Gioushy
- Horticulture Department, Faculty of Agriculture (Moshtohor), Benha University, Moshtohor, Toukh 13736, Egypt
| | - Hesham S Ghazzawy
- Date Palm Research Center of Excellence, King Faisal University, Hofuf 31982, Saudi Arabia
- Central Laboratory for Date Palm Research and Development, Agriculture Research Center, Giza 12511, Egypt
| | - Aly M Ibrahim
- Horticulture Research Institute, Agricultural Research Center, Giza 12619, Egypt
| | - Mahmoud F Maklad
- Department of Horticulture, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt
| | - Mohamed A Abdein
- Biology Department, Faculty of Arts and Science, Northern Border University, Rafha 91911, Saudi Arabia
| | - Dalia M Hikal
- Nutrition and Food Science, Home Economics Department, Faculty of Specific Education, Mansura University, Mansoura 35516, Egypt
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6
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The Use of Opuntia ficus-indica Mucilage and Aloe arborescens as Edible Coatings to Improve the Physical, Chemical, and Microbiological Properties of ‘Hayward’ Kiwifruit Slices. HORTICULTURAE 2022. [DOI: 10.3390/horticulturae8030219] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Edible coatings (EC) with mucilage of Opuntia ficus-indica or Aloe arborescens are promising to extend the shelf life of fresh-cut fruit products by reducing weight loss and microbial spoilage. In this work, fresh-cut kiwifruits (cv. Hayward) were coated in solutions with mucilage extracted from Opuntia ficus-indica (MC) and A. arborescens (AL). We used three alternative treatments with AL or MC, MC+AL, and with distilled water as control, and stored in passive atmosphere at 5 °C for 3, 5, 7, and 9 d, respectively. For all treatments at each storage period, firmness, weight loss, color, visual quality score, respiration rate, pectin content, and microbiological characteristics were observed. The treatments with mucilage and A. arborescens applied on fresh-cut kiwi slices showed different significant effects until 9 days of storage, in terms of firmness and total pectin. Microbial spoilage analysis revealed the beneficial effects of this strategy after 3 d, particularly in terms of bacteria and yeast. A. arborescens provided a reduction of microbial activity, probably due to the higher quantity of aloin if related to Aloe species. Furthermore, the treatment with MC and AL increased the total pectin content, showing positive effects in terms weight loss and firmness. The results showed that the MC+AL treatment improved the visual score of fresh-cut kiwi fruit until 7 d of storage.
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7
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Effects of different drying methods on phenolic components and in vitro hypoglycemic activities of pulp extracts from two Chinese bayberry (Myrica rubra Sieb. et Zucc.) cultivars. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2021.11.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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8
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Saeed M, Azam M, Saeed F, Arshad U, Afzaal M, Bader Ul Ain H, Ashraf J, Nasir Z. Development of antifungal edible coating for strawberry using fruit waste. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Muhammad Saeed
- National Institute of Food Science and TechnologyUniversity of Agriculture Faisalabad Pakistan
| | - Muhammad Azam
- National Institute of Food Science and TechnologyUniversity of Agriculture Faisalabad Pakistan
- Riphah College of Rehabilitation and Allied Health SciencesRiphah International University Faisalabad Pakistan
| | - Farhan Saeed
- Institute of Home and Food Science Government College University Faisalabad Pakistan
| | - Umair Arshad
- Institute of Home and Food Science Government College University Faisalabad Pakistan
| | - Muhammad Afzaal
- Institute of Home and Food Science Government College University Faisalabad Pakistan
| | - Huma Bader Ul Ain
- Institute of Diet and Nutritional Sciences University of Lahore Lahore Pakistan
| | - Jahanzaib Ashraf
- National Institute of Food Science and TechnologyUniversity of Agriculture Faisalabad Pakistan
| | - Zamara Nasir
- National Institute of Food Science and TechnologyUniversity of Agriculture Faisalabad Pakistan
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Yuan D, Meng H, Huang Q, Li C, Fu X. Preparation and characterization of chitosan-based edible active films incorporated with Sargassum pallidum polysaccharides by ultrasound treatment. Int J Biol Macromol 2021; 183:473-480. [PMID: 33915213 DOI: 10.1016/j.ijbiomac.2021.04.147] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/17/2021] [Accepted: 04/23/2021] [Indexed: 11/17/2022]
Abstract
In this study, Sargassum pallidum polysaccharides (SPPs) were incorporated into chitosan (CH) to develop a novel edible active film (CH/SPPs-US) via ultrasonication. The mechanical, water vapor permeability, surface morphology, crystallinity, antioxidant, and fruit preservation properties of CH/SPPs-US films prepared under sequences of matrix ratios and ultrasound treatment were investigated. The results revealed that the addition of SPPs combined with ultrasonic treatment could significantly enhance the transparency, elongation and tensile strength of the films whereas the water vapor permeability was decreased. Tensile strength and elongation at break of the C2/SP1.2-US film were 12.07 N and 54.18%, respectively, which were significantly higher than those for CH film. Meanwhile, the water vapor permeability value of C2/SP1.2-US was reduced by as high as 40.2% compared with that of chitosan film. In addition, antioxidant effect evaluation showed that the CH-based films added with SPPs exhibited better antioxidant activity than CH film, and ultrasonic treatment could further strengthen the antioxidant activity of the film. The CH/SPPs-US films could effectively extend the shelf life and inhibit the deterioration of the strawberry at room temperature (25 ± 1 °C) and 70% ± 5% relative humidity for 7 days. These results indicated that the CH/SPPs edible films via ultrasonication could be developed as edible packaging films for the preservation of fresh fruits.
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Affiliation(s)
- Dan Yuan
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China
| | - Hecheng Meng
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China
| | - Qiang Huang
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China; SCUT-Zhuhai Institute of Modern Industrial Innovation, Zhuhai 519715, China
| | - Chao Li
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China; SCUT-Zhuhai Institute of Modern Industrial Innovation, Zhuhai 519715, China.
| | - Xiong Fu
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China; SCUT-Zhuhai Institute of Modern Industrial Innovation, Zhuhai 519715, China.
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Ansar, Nazaruddin, Azis AD. New frozen product development from strawberries ( Fragaria Ananassa Duch.). Heliyon 2020; 6:e05118. [PMID: 33024877 PMCID: PMC7529817 DOI: 10.1016/j.heliyon.2020.e05118] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 06/28/2020] [Accepted: 09/27/2020] [Indexed: 11/28/2022] Open
Abstract
Strawberry fruit has a short shelf life. If stored at ambient temperature only lasts 1 day, so it needs to be dried into a frozen product so that its shelf life is longer. Frozen products are favored by consumers because they still have properties like fresh fruit. This study was aimed at examining the physical and sensory characteristics of new frozen products from strawberries. The research sample was freeze-dried at 3 variations of the heating plate temperature were 40, 50, and 60 °C and 3 variations of the drying time were 24, 36, and 48 h. The research parameters observed were weight loss, water content, texture, color, aroma, and taste. The results showed that the freeze-vacuum drying process has a significant influence on the parameters of weight loss, moisture content, texture, and color of frozen strawberries, but does not influence significantly to aroma and taste. The highest weight loss and evaporation were obtained at 60 °C and 48 h of drying time. Frozen strawberries most preferred by panelists are those that are freeze-dried at 50 °C and a drying time of 36 h because they have aroma and flavor that seem fresh strawberries.
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Affiliation(s)
- Ansar
- Department of Agricultural Engineering, Faculty of Food Technology and Agroindustries, University of Mataram, Indonesia
| | - Nazaruddin
- Department of Food Science and Technology, Faculty of Food Technology and Agroindustries, University of Mataram, Indonesia
| | - Atri Dewi Azis
- Department of English Education, Faculty of Teacher Training and Education, University of Mataram, Indonesia
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Rehman MA, Asi MR, Hameed A, Bourquin LD. Effect of Postharvest Application of Aloe Vera Gel on Shelf Life, Activities of Anti-Oxidative Enzymes, and Quality of 'Gola' Guava Fruit. Foods 2020; 9:foods9101361. [PMID: 32992728 PMCID: PMC7601809 DOI: 10.3390/foods9101361] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/20/2020] [Accepted: 09/22/2020] [Indexed: 11/16/2022] Open
Abstract
Guava is an important climacteric fruits in terms of taste and aroma, which contains various vital nutrients such as minerals, carotenoids, ascorbic acid, and polyphenols. At ambient conditions, it exhibits a short shelf life, which makes it difficult for marketing and subsequent storage. Therefore, it is necessary to develop procedures to extend its shelf life and conserve quality. For this purpose, an aloe vera (AV) gel coating was assessed for its potential to enhance the shelf life of guava fruits. Guava fruits coated with AV gels (0, 20, 40, 60 and 80%, v/v) were evaluated for postharvest shelf life extension, changes in quality attributes, anti-oxidative activities, and flavonoid content when stored at ambient conditions (23 ± 2 °C and 70-75% relative humidity) for 12 days. The AV gel-treated fruits showed reduced increments in total sugar, malondialdehyde, and total carotene contents compared to untreated controls. AV gel-treated fruits exhibited higher contents of ascorbic acid, flavonoids (quercetin and rutin), and total phenolics in comparison to control fruits. Moreover, AV gel-treated fruits displayed greater activities of superoxide dismutase, catalase, and ascorbate peroxidase, along with higher antioxidant capacity and higher levels of total soluble solids, than untreated fruits. These results demonstrate that AV gel coating, especially at high concentrations, can be considered an eco-friendly and non-chemical substitute treatment for maintaining the postharvest quality of guava fruit.
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Affiliation(s)
- Muhammad Adil Rehman
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan; (M.R.A.); (A.H.)
- Department of Food Science and Nutrition, Michigan State University, East Lansing, MI 48824-1223, USA
- Correspondence: (M.A.R.); (L.D.B.)
| | - Muhammad Rafique Asi
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan; (M.R.A.); (A.H.)
| | - Amjad Hameed
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan; (M.R.A.); (A.H.)
| | - Leslie D. Bourquin
- Department of Food Science and Nutrition, Michigan State University, East Lansing, MI 48824-1223, USA
- Correspondence: (M.A.R.); (L.D.B.)
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12
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Pirozzi A, Pataro G, Donsì F, Ferrari G. Edible Coating and Pulsed Light to Increase the Shelf Life of Food Products. FOOD ENGINEERING REVIEWS 2020. [DOI: 10.1007/s12393-020-09245-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AbstractThe application of edible coatings (EC) in combination with pulsed light (PL) treatments represents an emerging approach for extending the shelf life of highly perishable but high value-added products, such as fresh-cut fruits and vegetables. The surface of these products would benefit from the protective effects of ECs and the PL decontamination capability. This review describes in detail the fundamentals of both EC and PL, focusing on the food engineering principles in the formulation and application of EC and the delivery of efficient PL treatments and the technological aspects related to the food characterization following these treatments and discussing the implementation of the two technologies, individually or in combination. The advantages of the combination of EC and PL are extensively discussed emphasizing the potential benefits that may be derived from their combination when preserving perishable foods. The downsides of combining EC and PL are also presented, with specific reference to the potential EC degradation when exposed to PL treatments and the screening effect of PL transmittance through the coating layer. Finally, the potential applications of the combined treatments to food products are highlighted, comparatively presenting the treatment conditions and the product shelf-life improvement.
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Abstract
In recent years, food packaging has evolved from an inert and polluting waste that remains after using the product toward an active item that can be consumed along with the food it contains. Edible films and coatings represent a healthy alternative to classic food packaging. Therefore, a significant number of studies have focused on the development of biodegradable enveloping materials based on biopolymers. Animal and vegetal proteins, starch, and chitosan from different sources have been used to prepare adequate packaging for perishable food. Moreover, these edible layers have the ability to carry different active substances such as essential oils—plant extracts containing polyphenols—which bring them considerable antioxidant and antimicrobial activity. This review presents the latest updates on the use of edible films/coatings with different compositions with a focus on natural compounds from plants, and it also includes an assessment of their mechanical and physicochemical features. The plant compounds are essential in many cases for considerable improvement of the organoleptic qualities of embedded food, since they protect the food from different aggressive pathogens. Moreover, some of these useful compounds can be extracted from waste such as pomace, peels etc., which contributes to the sustainable development of this industry.
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Moshari-Nasirkandi A, Alirezalu A, Hachesu MA. Effect of lemon verbena bio-extract on phytochemical and antioxidant capacity of strawberry (Fragaria×ananassa Duch. cv. Sabrina) fruit during cold storage. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101613] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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