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Moradi Digehsara M, Naghshiband Hassani R, Mahna N, Nicola S. Enhanced H 2S biogenesis followed by its postharvest application retarded senescence development by promoting multiple antioxidant protection systems in button mushroom during cold storage. FOOD SCI TECHNOL INT 2024; 30:293-306. [PMID: 37312521 DOI: 10.1177/10820132221133144] [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] [Indexed: 06/15/2023]
Abstract
Rapid postharvest quality deterioration of button mushroom as fruit body surface browning brings about senescence development and limits its distribution potential and postharvest storage. In this investigation, 0.5 mM of NaHS as the optimum concentration for H2S fumigation was applied to retain the quality of Agaricus bisporus mushrooms concerning some qualitative and biochemical attributes evaluation throughout 15 storage-day at 4 °C and 80-90% relative humidity. In H2S fumigated mushrooms, pileus browning index, weight loss and softening decreased, concomitant with higher cell membrane stability as revealed by subsidiary electrolyte leakage, malondialdehyde (MDA) and H2O2 contents compared to the control during the cold storage period. H2S fumigation boosted total phenolics, as presented by the enhanced phenylalanine ammonia-lyase (PAL) activity and total antioxidant scavenging activity, while polyphenol oxidase (PPO) activity diminished. Moreover, in H2S fumigated mushrooms not only peroxidase (POD), catalase (CAT), superoxide dismutase (SOD), glutathione reductase (GR) and glutathione peroxidase (GPx) activities but also ascorbic acid and glutathione (GSH) contents increased, even though glutathione (GSSG) content declined. The raised endogenous H2S level prompted by greater cystathionine ß-synthase (CBS), cystathionine ?-lyase (CSE), cysteine synthase (CS), L-cysteine desulfhydrases (LCD) and D-cysteine desulfhydrases (DCD) enzymes activities until 10d in fumigated mushrooms. In general, the increase in endogenous H2S biogenesis promoted by H2S fumigation in button mushrooms resulted in retarding senescence development, maintaining redox balance by boosting multiple enzymatic and non-enzymatic antioxidants defense parameters.
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Affiliation(s)
- Mahtab Moradi Digehsara
- Department of Horticultural Sciences, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | | | - Nasser Mahna
- Department of Horticultural Sciences, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Silvana Nicola
- Department of Agricultural, Forest, and Food Sciences -DISAFA, Horticultural Sciences -INHORTOSANITAS, University of Torino, Grugliasco, Italy
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2
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Lee J, Shin Y. Antioxidant compounds and activities of Perilla frutescens var. crispa and its processed products. Food Sci Biotechnol 2024; 33:1123-1133. [PMID: 38440683 PMCID: PMC10908715 DOI: 10.1007/s10068-023-01412-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/12/2023] [Accepted: 08/01/2023] [Indexed: 03/06/2024] Open
Abstract
Perilla frutescens var. crispa 'Antisperill' has stronger anti-inflammatory effects than the original cultivar (red perilla), but studies on its bioactive compounds are limited. This study aimed to evaluate the antioxidant compounds and activity of red perilla and 'Antisperill', as well as their processed products using freeze drying (FD) and microwave-assisted low temperature vacuum drying (MVD). Red perilla had higher antioxidant compounds and activities than 'Antisperill'. MVD showed significantly greater antioxidant properties than FD among the processed products. Isoegomaketone, studied for its anti-obesity, antioxidant, anti-inflammatory, and anticancer properties, was only found in 'Antisperill' and its processed products, with the highest content in 'Antisperill' MVD samples. This study highlights that 'Antisperill' contains various antioxidants, and MVD is the optimal drying method to preserve and enhance its antioxidant content. As a result, 'Antisperill' could potentially serve as a natural antioxidant with both anti-inflammatory and antioxidant functions.
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Affiliation(s)
- Jisu Lee
- Department of Food Engineering, Dankook University, Cheonan, Chungnam 31116 Korea
| | - Youngjae Shin
- Department of Food Engineering, Dankook University, Cheonan, Chungnam 31116 Korea
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3
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Kim Y, Kim YJ, Shin Y. Comparative Analysis of Polyphenol Content and Antioxidant Activity of Different Parts of Five Onion Cultivars Harvested in Korea. Antioxidants (Basel) 2024; 13:197. [PMID: 38397795 PMCID: PMC10886331 DOI: 10.3390/antiox13020197] [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: 01/03/2024] [Revised: 02/01/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
Onions are typically consumed as the bulb, but the peel and root are discarded as by-products during processing. This study investigated the potential functional use of these by-products by analyzing the polyphenols, antioxidant compounds, and antioxidant activity contained in onions. In this study, the bulb, peel, and root of five onion cultivars ('Tank', 'Bomul', 'Gujji' 'Cobra', and 'Hongbanjang') harvested in Korea were investigated. Caffeic acid and quercetin were most abundant in the peel, whereas methyl gallate was the predominant polyphenol in the bulb. Both DPPH and ABTS radical scavenging activity were higher in onion peel and root than in the bulb. These findings suggest that onion peel and roots, which are often discarded, have abundant antioxidant substances and excellent antioxidant activity. This study provides basic data for the future use of onion peel and roots as functional ingredients with high added value.
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Affiliation(s)
- Yena Kim
- Department of Food Engineering, Dankook University, Cheonan, Chungnam 31116, Republic of Korea;
| | - Young-Jun Kim
- Department of Food Science and Biotechnology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Youngjae Shin
- Department of Food Engineering, Dankook University, Cheonan, Chungnam 31116, Republic of Korea;
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Wang Z, Asghari M, Zahedipour-Sheshglani P, Mohammadzadeh K. Impact of 24-epibrassinoliode and methyl jasmonate on quality of Red Delicious apples. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:1621-1629. [PMID: 37827991 DOI: 10.1002/jsfa.13047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/09/2023] [Accepted: 10/13/2023] [Indexed: 10/14/2023]
Abstract
BACKGROUND Changes in apple fruit quality indices in response to foliar spray with 24-epibrassinolide (EBL) at 0 and 1 μmol L-1 and methyl jasmonate (MeJA) at 0 and 0.5 μmol L-1 , as well as the combination of these phytohormones, were investigated at harvest and during cold storage. RESULTS Both phytohormones synergistically enhanced the fruit firmness, specific weight, size, fresh weight, water content, total antioxidant activity, total phenolics, ascorbic acid, total anthocyanins, total soluble solids/titratable acidity ratio and precocity. In addition, the fruit abscission pattern was changed in response to different treatments. Treated fruit exhibited lower weight loss and internal breakdown symptoms and higher total soluble solids index, firmness and phytochemicals during cold storage. A negative correlation was seen between fruit mass, firmness, specific weight, antioxidant activity, total phenolics and vitamin C content with internal breakdown occurrence and weight loss. CONCLUSION Foliar spray with EBL and MeJA during the growth season is a good environmental friendly and safe method for enhancing the apple fruit different quality parameters, marketability and postharvest life. © 2023 Society of Chemical Industry.
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Affiliation(s)
- ZhaoDan Wang
- Engineering Technology Research Center of Characteristic Biological Resources in Northeast of Chongqing, Chongqing, China
- College of Biology and Food Engineering, Chongqing Three Gorges University, Chongqing, China
| | - Mohammadreza Asghari
- Department of Horticulture, Faculty of Agriculture, Urmia University, Urmia, Iran
| | | | - Kamal Mohammadzadeh
- Department of Horticulture, Faculty of Agriculture, Urmia University, Urmia, Iran
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Bahadori S, Giglou MT, Esmaielpour B, Dehdar B, Estaji A, Hano C, Gohari G, Vergine M, Vita F. Antioxidant Compounds of Potato Breeding Genotypes and Commercial Cultivars with Yellow, Light Yellow, and White Flesh in Iran. PLANTS (BASEL, SWITZERLAND) 2023; 12:1707. [PMID: 37111930 PMCID: PMC10146029 DOI: 10.3390/plants12081707] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/18/2023] [Accepted: 04/18/2023] [Indexed: 06/19/2023]
Abstract
Potatoes are a staple food with high antioxidant properties that can positively affect population health. The beneficial effects of potatoes have been attributed to tuber quality. However, the tuber quality related researches at genetic levels are very few. Sexual hybridization is a powerful strategy for producing new and valuable genotypes with high quality. In this study, 42 breeding potato genotypes in Iran were selected based on appearance characteristics such as shape, size, color, eyes of tubers, and tuber yield and marketability. The tubers were evaluated for their nutritional value and properties, viz. phenolic content, flavonoids, carotenoids, vitamins, sugars, proteins, and antioxidant activity. Potato tubers with white flesh and colored skin had significantly higher levels of ascorbic acid and total sugar. The result showed that higher phenolic, flavonoid, carotenoid, protein concentration, and antioxidant activity were noted in yellow-fleshed. Burren (yellow-fleshed) tubers had more antioxidant capacity in comparison to genotypes and cultivars, which did not differ significantly with genotypes 58, 68, 67 (light yellow), 26, 22, and 12 (white). The highest correlation coefficients in antioxidant compounds were related to total phenol content and FRAP, suggesting that phenolics might be crucial predictors of antioxidant activities. The concentration of antioxidant compounds in the breeding genotypes was higher than in some commercial cultivars, and higher antioxidant compounds content and activity were detected in yellow-fleshed cultivars. Based on current results, understanding the relationship between antioxidant compounds and the antioxidant activity of potatoes could be very helpful in potato breeding projects.
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Affiliation(s)
- Somayeh Bahadori
- Department of Horticulture, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil 56199-11367, Iran
| | - Mousa Torabi Giglou
- Department of Horticulture, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil 56199-11367, Iran
| | - Behrooz Esmaielpour
- Department of Horticulture, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil 56199-11367, Iran
| | - Bahram Dehdar
- Ardebil Agriculture and Natural Resources Center, Agricultural Research, Education and Extension Organization (AREEO), Ardabil 56951-57451, Iran
| | - Asghar Estaji
- Department of Horticulture, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil 56199-11367, Iran
| | - Christophe Hano
- Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), INRAE USC1328, Université d’Orléans, 28000 Chartres, France
| | - Gholamreza Gohari
- Department of Horticulture, Faculty of Agriculture, University of Maragheh, Maragheh 55181-83111, Iran
| | - Marzia Vergine
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
| | - Federico Vita
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, 70121 Bari, Italy
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Song H, Asghari M, Zahedipour-Sheshglani P, Diao E, Xiang X, Liang X, Abdollahi Mandoulakani B, Qian S. Investigation of pectolytic and PR genes expression, quality and phytochemical contents in organic and non-organic table grapes at harvest and during storage. Food Res Int 2023; 167:112717. [PMID: 37087216 DOI: 10.1016/j.foodres.2023.112717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 03/02/2023] [Accepted: 03/14/2023] [Indexed: 03/22/2023]
Abstract
The demand for organic table grapes is increasing worldwide. However, comprehensive information of quality parameters and phytochemical compounds in organically grown fruit remain unclear. Furthermore, table grapes are perishable and postharvest quality retention and waste prevention is very important. In this study we have compared the differences between organic and non-organic table grapes in terms of phytochemical compounds and quality parameters as well as the changes in the expression levels of pathogen related and lytic genes during storage. Organic fruit showed higher levels of phenolics, flavonoids, caffeic acid, hydrogen peroxide, protein content, antioxidant and anti-stress enzymes and total antioxidant activities at harvest and during storage. Although, the expression levels of polygalactronases, pectin methyl esterase, chitinase and glucanase genes was lower in organically grown table grapes at harvest, but the expression of all these genes was significantly increased during cold storage. After 60 days of cold storage the expression levels of pectin methyl esterase, chitinase and glucanase genes was significantly higher than the conventionally grown grape berries in organic ones. The highest expression of polygalacturonase was recorded in organic samples after 30 days of storage. There was no significant difference between the two types of table grapes for decay extension and tissue deterioration rate. The results of this study indicate that due to higher levels of phytochemicals and antioxidant compounds the organic table grapes have a higher nutritional quality. Furthermore, the increase in PR and pectolytic genes expression levels is enough for decreasing the fruit susceptibility to decay pathogens and enhancing the postharvest life of organic grapes.
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Affiliation(s)
- Huwei Song
- School of Life Science, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Key Laboratory for Food Safety & Nutrition Function Evaluation, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection of China, Huaiyin Normal University, Huai'an, Jiangsu 223300, China
| | - Mohammadreza Asghari
- Department of Horticulture, Faculty of Agriculture, Urmia University, Urmia, Iran.
| | | | - Enjie Diao
- School of Life Science, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Key Laboratory for Food Safety & Nutrition Function Evaluation, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection of China, Huaiyin Normal University, Huai'an, Jiangsu 223300, China
| | - Xinran Xiang
- School of Life Science, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Key Laboratory for Food Safety & Nutrition Function Evaluation, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection of China, Huaiyin Normal University, Huai'an, Jiangsu 223300, China
| | - Xiaona Liang
- School of Life Science, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Key Laboratory for Food Safety & Nutrition Function Evaluation, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection of China, Huaiyin Normal University, Huai'an, Jiangsu 223300, China
| | | | - Shiquan Qian
- School of Life Science, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Key Laboratory for Food Safety & Nutrition Function Evaluation, Huaiyin Normal University, Huai'an, Jiangsu 223300, China; Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection of China, Huaiyin Normal University, Huai'an, Jiangsu 223300, China
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Mahmoudi R, Razavi F, Rabiei V, Palou L, Gohari G. Postharvest chitosan-arginine nanoparticles application ameliorates chilling injury in plum fruit during cold storage by enhancing ROS scavenging system activity. BMC PLANT BIOLOGY 2022; 22:555. [PMID: 36456938 PMCID: PMC9716680 DOI: 10.1186/s12870-022-03952-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 11/18/2022] [Indexed: 05/30/2023]
Abstract
BACKGROUND Plum (Prunus domestica L.) has a short shelf-life period due to its high respiration rate and is sensitive to low storage temperatures, which can lead to the appearance of chilling injury symptoms. In this investigation, we applied new coating treatments based on chitosan (CTS) and arginine (Arg) to plum fruit (cv. 'Stanley'). RESULTS Fruit were treated with distilled water (control), Arg at 0.25 and 0.5 mM, CTS at 1% (w/v) or Arg-coated CTS nanoparticles (CTS-Arg NPs) at 0.5 and 1% (w/v), and then stored at 1 °C for days. The application of CTS-Arg NPs at 0.5% attenuated chilling injury, which was accompanied by accumulation of proline, reduced levels of electrolyte leakage and malondialdehyde, as well as suppressed the activity of polyphenol oxidase. Plums coated with CTS-Arg NPs (0.5%) showed higher accumulation of phenols, flavonoids and anthocyanins, due to the higher activity of phenylalanine ammonia-lyase, which in turn resulted in higher DPPH scavenging capacity. In addition, CTS-Arg NPs (0.5%) treatment delayed plum weight loss and retained fruit firmness and ascorbic acid content in comparison to control fruit. Furthermore, plums treated with CTS-Arg NPs exhibited lower H2O2 accumulation than control fruit due to higher activity of antioxidant enzymes, including CAT, POD, APX and SOD. CONCLUSIONS The present findings show that CTS-Arg NPs (0.5%) were the most effective treatment in delaying chilling injury and prolonging the shelf life of plum fruit.
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Affiliation(s)
- Roghayeh Mahmoudi
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
| | - Farhang Razavi
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan, Iran.
| | - Vali Rabiei
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
| | - Lluís Palou
- Postharvest Technology Center (CTP), Valencian Institute of Agrarian Research (IVIA), 46113, Montcada, Valencia, Spain
| | - Gholamreza Gohari
- Department of Horticulture, Faculty of Agriculture, University of Maragheh, Maragheh, Iran
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Tisarum R, Pongprayoon W, Sithtisarn S, Sampumphuang T, Sotesaritkul T, Datta A, Singh HP, Cha-Um S. Expression levels of genes involved in metal homeostasis, physiological adaptation, and growth characteristics of rice (Oryza sativa L.) genotypes under Fe and/or Al toxicity. PROTOPLASMA 2022; 259:1013-1028. [PMID: 34714403 DOI: 10.1007/s00709-021-01719-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
Acid sulphate soil contains high amounts of iron (Fe) and aluminum (Al), and their contamination has been reported as major problems, especially in rainfed and irrigated lowland paddy fields. Rice is sensitive to Fe and Al grown in acid soil (pH < 5.5), leading to growth inhibition and grain yield loss. The objective of this study was to evaluate Fe and/or Al uptake, translocation, physiological adaptation, metal toxicity, and growth inhibition in rice genotypes grown in acid soil. Fe and Al in the root tissues of all rice genotypes were enriched depending on the exogenous application of either Fe or Al in the soil solution, leading to root growth inhibition, especially in the KDML105 genotype. Expression level of OsYSL1 in KDML105 was increased in relation to metal uptake into root tissues, whereas OsVIT2 was downregulated, leading to Fe (50.3 mg g-1 DW or 13.1 folds over the control) and Al (4.8 mg g-1 DW or 2.2 folds over the control) translocation to leaf tissues. Consequently, leaf greenness (SPAD), net photosynthetic rate (Pn), stomatal conductance (gs), and transpiration rate (E) in the leaf tissues of genotype KDML105 under Fe + Al toxicity significantly declined by 28.4%, 35.3%, 55.6%, and 51.6% over the control, respectively. In Azucena (AZU; Fe/Al tolerant), there was a rapid uptake of Fe and Al by OsYSL1 expression in the root tissues, but a limited secretion into vacuole organelles by OsVIT2, leading to a maintenance of low level of toxicity driven by an enhanced accumulation of glutathione together with downregulation of OsGR expression level. In addition, Fe and Al restrictions in the root tissues of genotype RD35 were evident; therefore, crop stress index (CSI) of Fe + Al-treated plants was the maximum, leading to an inhibition of gs (53.6% over the control) and E (49.0% over the control). Consequently, free proline, total phenolic compounds, and ascorbic acid in the leaf tissues of rice under Fe + Al toxicity significantly increased by 3.2, 1.2, and 1.5 folds over the control, respectively, indicating their functions in non-enzymatic antioxidant defense. Moreover, physiological parameters including leaf temperature (Tleaf) increment, high level of CSI (>0.6), SPAD reduction, photon yield of PSII (ΦPSII) diminution, Pn, gs, and E inhibition in rice genotype IR64 (Fe/Al-sensitive) under Fe + Al treatment were clearly demonstrated as good indicators of metal-induced toxicity. Our results on Fe- and/or Al-tolerant screening to find out the candidate genotypes will contribute to present screening and breeding efforts, which in turn help increase rice production in the Fe/Al-contaminated acid soil under lowland conditions.
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Affiliation(s)
- Rujira Tisarum
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand
| | - Wasinee Pongprayoon
- Department of Biology, Faculty of Science, Burapha University, Saen Suk, Chon Buri, 20131, Thailand
| | - Sayamon Sithtisarn
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand
| | - Thapanee Sampumphuang
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand
| | - Thanyaporn Sotesaritkul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand
| | - Avishek Datta
- Agricultural Systems and Engineering, Department of Food, Agriculture and Bioresources, School of Environment, Resources and Development, Asian Institute of Technology, Khlong Luang, Pathum Thani, 12120, Thailand
| | - Harminder Pal Singh
- Department of Environment Studies, Faculty of Science, Panjab University, Chandigarh, 160014, India
| | - Suriyan Cha-Um
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand.
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Application of Glycine betaine coated chitosan nanoparticles alleviate chilling injury and maintain quality of plum (Prunus domestica L.) fruit. Int J Biol Macromol 2022; 207:965-977. [PMID: 35364195 DOI: 10.1016/j.ijbiomac.2022.03.167] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/22/2022] [Accepted: 03/25/2022] [Indexed: 02/04/2023]
Abstract
The use of edible coatings can lead to significant extension of the postharvest life of fresh horticultural products through the regulation of water and gaseous exchange during storage. In this regard, nano-engineered materials are of great interest to design novel and multifunctional edible coatings and are increasingly employed. Chitosan and glycine betaine have been reported to enhance fruit tolerance to chilling stress during cold storage. The current study applied new coating treatments to plum (Prunus domestica L. cv. 'Stanley') fruit at maturity stage in a completely randomized factorial design with three replicates. Plums were treated with distilled water (control), glycine betaine (GB) at 2.5 and 5 mM, chitosan (CTS) at 1% (w/v) or glycine betaine-coated chitosan nanoparticles (CTS-GB NPs) at 0.5 and 1% (w/v) and stored at 1 °C for up to 40 days. The application of CTS-GB NPs (0.5% w/v) was the most effective treatment and induced lower electrolyte leakage, MDA and H2O2 content, and significantly alleviated chilling injury. Furthermore, this treatment remarkably increased the activity of PAL enzyme, resulting in higher levels of phenolics, flavonoids and anthocyanins content, and enhanced DPPH scavenging capacity. In addition, CTS-GB NPs treatment increased endogenous GB (9.25 mg g-1 DW) and proline (1929.29 μg g-1 FW) accumulation leading to higher activity of CAT, POD, SOD and APX enzymes. Based on the obtained results, the commercial application of CTS-GB NPs could effectively reduce chilling injury, preserve nutritional quality, and prolong the storage potential and shelf life of plum fruit.
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10
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Bai JL, Wang HH, Zhang JM, Wu QP, Mo SP, He YL, Weng SQ, Yang XJ, Li CZ. Postharvest quality maintenance of wax apple and guava fruits by use of a fermented broth of an ε-poly-l-lysine-producing Streptomyces strain. PLoS One 2022; 17:e0265457. [PMID: 35294498 PMCID: PMC8926194 DOI: 10.1371/journal.pone.0265457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/02/2022] [Indexed: 12/03/2022] Open
Abstract
ε-Poly-l-lysine (ε-PL) is a natural antimicrobial polymer with significant inhibitory activity against a broad spectrum of microorganisms, and nowadays used widely as a preservative in the food industry. In the present study, ε-PL broth was obtained from Streptomyces ahygroscopicus GIM8 fermentation in a nutrient-limited liquid medium. The in vitro antifungal activity of the broth against fruit pathogens Penicillium expansum and Colletotrichum gloeosporioides was investigated, and its usage for postharvest storage of two highly perishable fruits wax apple and guava was evaluated. Results showed that ε-PL concentration in the broth reached 0.61 g/L, and the nutrition level of the broth was low. The antifungal activity of ε-PL broth was comparable to that of the aqueous solution of ε-PL under the same concentration. Immersion with the diluted broth (200 mg/L ε-PL) markedly delayed the decline in the quality of postharvest wax apple and guava fruits during storage, and the decay incidences were also greatly decreased as compared to their respective controls (distilled water immersion). A further investigation demonstrated that the ε-PL broth immersion induced an increase in the activity of defense-related enzymes peroxidase and polyphenol oxidase in the two fruits during storage. The present study proved that the fermentation broth of ε-PL could be used as a promising alternative to high purity ε-PL and synthetic fungicides for preserving fruits at postharvest stage.
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Affiliation(s)
- Jian-Ling Bai
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Hui-Hui Wang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Ju-Mei Zhang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Qing-Ping Wu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Shu-Ping Mo
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Ying-Long He
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Shao-Quan Weng
- Guangzhou Wanglaoji Great Health Industry Co. Ltd., Guangzhou, China
| | - Xiao-Juan Yang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Ci-Zhou Li
- Guangzhou Wanglaoji Great Health Industry Co. Ltd., Guangzhou, China
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11
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Chen Y, Deng H, Zhang J, Tiemur A, Wang J, Wu B. Effect of nitric oxide fumigation on microorganisms and quality of dried apricots during storage. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yan Chen
- Institute of Commodity Storage and Processing Xinjiang Academy of Agricultural Sciences Urumqi People’s Republic of China
- Wenzhou Institute University of Chinese Academy of Sciences Wenzhou People’s Republic of China
- College of Chemistry and Chemical Engineering Xinjiang University Urumqi People’s Republic of China
| | - Hao Deng
- College of Food Science and Pharmacy Xinjiang Agricultural University Urumqi People’s Republic of China
| | - Jian Zhang
- Institute of Commodity Storage and Processing Xinjiang Academy of Agricultural Sciences Urumqi People’s Republic of China
| | - Atawula Tiemur
- Institute of Commodity Storage and Processing Xinjiang Academy of Agricultural Sciences Urumqi People’s Republic of China
| | - Jide Wang
- College of Chemistry and Chemical Engineering Xinjiang University Urumqi People’s Republic of China
| | - Bin Wu
- Institute of Commodity Storage and Processing Xinjiang Academy of Agricultural Sciences Urumqi People’s Republic of China
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Exogenous Application of Proline and L-Cysteine Alleviates Internal Browning and Maintains Eating Quality of Cold Stored Flat ‘Maleki’ Peach Fruits. HORTICULTURAE 2021. [DOI: 10.3390/horticulturae7110469] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The postharvest life of flat peach fruit is limited by the appearance of chilling injury symptoms, especially internal browning. In this study, impacts of the exogenous application of proline (0, 5, 10, and 15 mM) and L-cysteine (0, 0.2, 0.4 and 0.6%) on attenuating chilling injury of flat peach fruit were evaluated all over the cold storage. The results demonstrated that the fruits treated with 15 mM proline and 0.4 % L-cysteine showed lower levels of internal browning and these treatments prevented the excess enhancement of total soluble solids (TSS), the decline of titratable acidity (TA) content and the loss of fruit firmness during storage time. A lower accumulation of hydrogen peroxide (H2O2), malondialdehyde (MDA), electrolyte leakage, and higher activity of antioxidant enzymes, along with higher ascorbic acid content and antioxidant capacity, were observed in treated fruits. Treated fruits also showed higher activity of phenylalanine ammonia lyase (PAL) and conversely lower activity of polyphenol oxidase (PPO), which led to a higher accumulation of total phenols and flavonoids. Moreover, a higher accumulation of endogenous proline was observed in 15 mM proline treated fruits. Eventually, according to our results, the exogenous administration of proline and L-cysteine as safe, natural and environmentally friendly treatments, preserved the nutritional quality of flat peach fruits during long-term cold storage.
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Shekari A, Hassani RN, Aghdam MS, Rezaee M, Jannatizadeh A. The effects of melatonin treatment on cap browning and biochemical attributes of Agaricus bisporus during low temperature storage. Food Chem 2021; 348:129074. [DOI: 10.1016/j.foodchem.2021.129074] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 01/07/2021] [Accepted: 01/07/2021] [Indexed: 01/03/2023]
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14
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Molaei S, Soleimani A, Rabiei V, Razavi F. Impact of chitosan in combination with potassium sorbate treatment on chilling injury and quality attributes of pomegranate fruit during cold storage. J Food Biochem 2021; 45:e13633. [PMID: 33528052 DOI: 10.1111/jfbc.13633] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/04/2021] [Accepted: 01/10/2021] [Indexed: 11/27/2022]
Abstract
The impact of chitosan (CH) and potassium sorbate (PS) on quality attributes of pomegranate fruits (cv. Malas e Saveh) was evaluated during 90 days of storage at 4°C and 85%-90% relative humidity. The CH as well as the combined treatments (CH + PS) were effective in decreasing the chilling injury (CI) symptoms, electrolyte leakage, and malondialdehyde contents of fruit peel. Furthermore, CH, PS, and CH + PS treatments enhanced the activity of DPPH radical scavenging, and antioxidant enzymes of arils, and preserved the ascorbic acid content at high levels during the storage period. Fruits treated with CH1% + PS10% and CH2% + PS10% exhibited the lowest decay incidence and weight loss. Higher content of arils' phenols, flavonoids, and anthocyanin was observed in treated-fruits as a result of more activity of phenylalanine ammonia-lyase (PAL) and low activity of polyphenol oxidase (PPO). Consequently, CH + PS showed positive effects on the storage life of pomegranate fruits in terms of CI, decay incidence, and also nutritional values. PRACTICAL APPLICATIONS: Enhancement of chilling tolerance of pomegranate fruits during cold storage condition is a crucial issue. Application of CH coating alone or in combination with potassium sorbate could decrease the CI symptoms and preserved peel cell membrane integrity by maintaining electrolyte leakage (EL) and malondialdehyde in lower levels. Also, these treatments prevent weight loss and decay incidence in peel, and increase the activity of phenylpropanoid pathway and antioxidant systems in arils. All in all, usage of CH edible coating (2%) plus PS (10%) illustrated high efficiency in alleviating CI, decay incidence, and preserving nutritional quality of pomegranate fruits.
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Affiliation(s)
- Sanaz Molaei
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
| | - Ali Soleimani
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
| | - Vali Rabiei
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
| | - Farhang Razavi
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
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15
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Molaei S, Rabiei V, Soleimani A, Razavi F. Exogenous application of glycine betaine increases the chilling tolerance of pomegranate fruits cv. Malase Saveh during cold storage. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15315] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sanaz Molaei
- Department of Horticulture Faculty of Agriculture University of Zanjan Zanjan Iran
| | - Vali Rabiei
- Department of Horticulture Faculty of Agriculture University of Zanjan Zanjan Iran
| | - Ali Soleimani
- Department of Horticulture Faculty of Agriculture University of Zanjan Zanjan Iran
| | - Farhang Razavi
- Department of Horticulture Faculty of Agriculture University of Zanjan Zanjan Iran
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16
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Temporal Changes and Correlations between Quality Loss Parameters, Antioxidant Properties and Enzyme Activities in Apricot Fruit Treated with Methyl Jasmonate and Salicylic Acid during Cold Storage and Shelf-Life. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10228071] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The apricot storability is one of the largest challenges, which the apricot industry has to face all over the world; therefore, finding options for prolonging fruit quality during cold storage (CS) and shelf-life (SL) will help to decrease postharvest losses of apricot. The aim of this apricot fruit work was to study the temporal changes and correlations of 10 quality parameters (quality losses, antioxidant properties and enzyme activities) in the postharvest treatments of methyl jasmonate (MeJA) and salicylic acid (SA) under 1 °C CS (7, 14 and 21 days) and 25 °C SL (4 and 8 days after the 21-day CS) treatments. MeJA and SA significantly decreased the quality loss of chilling injury (CI) and fruit decay (FD) at all dates for both storage conditions. MeJA- and SA-treated fruits increased total antioxidant capacity (TAC), total soluble phenolic compounds (TSPC) and carotenoids contents (TCC) at all dates of both storage treatments. In contrast, the ascorbic acid content (AAC) increased only until days 14 and 4 in the CS and SL treatments, respectively. Among enzyme activity parameters, the activities of phenylalanine ammonia-lyase (PAL), peroxidase and superoxide dismutase (SOD) were significantly increased in the MeJA and SA treatments in all dates of both storage treatments. Catalase (CAT) activity increased in the SA and control treatments, while it decreased in the MeJA treatment in both storage conditions. In both the MeJA and the SA treatments, six pair-variables (FD vs. CI, PAL vs. CAT, PAL vs. SOD, TAC vs. SOD, TAC vs. FD, and AAC vs. CI) were significant in Pearson correlation and regression analyses among the 45 parameters pairs. Principal component analyses explained 89.3% of the total variance and PC1 accounted for 55.6% of the variance and correlated with the CI, FD, TAC, TSPC, TCC, PAL and SOD, indicating strong connections among most parameters. In conclusion, MeJA and SA are practically useful and inexpensive techniques to maintain quality attributes of CI, FD, TAC, TSPC, TCC, PAL, POD and SOD in apricot fruit during both CS and SL conditions.
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17
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Riquette RFR, Ginani VC, Leandro EDS, de Alencar ER, Maldonade IR, de Aguiar LA, de Souza Acácio GM, Mariano DRH, Zandonadi RP. Do production and storage affect the quality of green banana biomass? Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.04.094] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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18
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PAULA LC, SILVA FA, SILVA EP, ASQUIERI ER, DAMIANI C. Influence of preservation methods on the bioactivity of mangaba (Hancornia speciosa Gomes) from the Brazilian savannah. FOOD SCIENCE AND TECHNOLOGY 2019. [DOI: 10.1590/fst.31917] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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19
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Supraphysiologic parenteral ascorbic acid blunts the inflammatory mediator response to pathogen associated molecular patterns in dogs ex vivo. Res Vet Sci 2019; 124:228-232. [PMID: 30928655 DOI: 10.1016/j.rvsc.2019.03.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 02/14/2019] [Accepted: 03/10/2019] [Indexed: 12/25/2022]
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20
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BRAGA VB, VIEIRA MDM, BARROS IBID. Nutritional potential of leaves and tubers of crem (Tropaeolum pentaphyllum Lam.). REV NUTR 2018. [DOI: 10.1590/1678-98652018000400007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ABSTRACT Objective To determine the centesimal composition of minerals, fatty acids and vitamin C of leaves and tubers of crem, and to discuss the nutritional potential of the T. pentaphyllum species. Methods The centesimal composition of protein, lipid, fiber, ash and carbohydrate was determined by gravimetric analysis. Mineral composition was determined by optical emission spectrometry. Vitamin C was determined by dinitrophenylhydrazine method. Fatty acids were determined by gas chromatography. The percentage of recommended dietary intake of leaves and tubers of crem was calculated for each nutrient. Results A high content of fibrous fraction (63.07g/100g), potassium (4.55g/100g), magnesium (553.64mg/100g) and sulfur (480.79mg/100g) was observed in the chemical composition of leaves. In tubers, a high carbohydrate content was observed, with 62.60g/100g of starch and 3.43g/100g of fiber, as well as high potassium (0.58g/100g), sulfur (447.14g/100), calcium (205.54g/100g) and phosphorus (530.07g/100g) levels. The vitamin C content of tubers was 78.43mg/100g and the linoleic acid content was 0.455g/100g. The intake of 100g of crem leaves may contribute with 65% of the recommended dietary intake of sulfur. The intake of 100g of crem tuber may contribute with 106% of the recommended dietary intake of sulfur and 21% of the recommended dietary intake of Vitamin C. Conclusion The chemical composition of crem (Tropaeolum pentaphyllum Lam.) tubers and leaves demonstrated an important contribution of nutrients, mainly sulfur, vitamin C and linoleic acid in its tubers, indicating a high nutritional potential of this species.
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21
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Souza AVD, Vieira MRDS, Putti FF. Correlações entre compostos fenólicos e atividade antioxidante em casca e polpa de variedades de uva de mesa. BRAZILIAN JOURNAL OF FOOD TECHNOLOGY 2018. [DOI: 10.1590/1981-6723.10317] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Resumo Uvas são consideradas excelentes fontes de compostos fenólicos, quando comparadas a outros vegetais; porém, a grande diversidade entre as cultivares resulta em frutos com diferentes características, tanto de sabor quanto de coloração, o que, certamente, está associado com o conteúdo e o perfil de compostos polifenólicos. Cascas e polpas de amostras de uva no ponto de consumo − tipos “Itália”, “Brasil”, “Rubi”, “Thompson” e “Niágara Rosada” − da região de Campinas e Jundiaí, Estado de São Paulo, foram estudadas com o objetivo de avaliar a atividade antioxidante, a atividade enzimática da peroxidase e da polifenoloxidase e os teores de compostos fenólicos e de ácido ascórbico. A fim de verificar as correlações entre as cascas e polpas das variedades e as características, utilizou-se a Correlação de Pearson, a distância generalizada de Mahalanobis (D2) e, por fim, o agrupamento das diferentes respostas através da análise multivariada. Verificou-se que as cascas das uvas analisadas apresentaram correlação positiva com o conteúdo de compostos fenólicos, a atividade da enzima polifenoloxidase e com o teor de ácido ascórbico, exceto a cultivar “Niágara Rosada”, a qual mostrou maiores valores para estas avaliações. Não houve correlação entre o índice de atividade antioxidante com as demais análises realizadas. As cascas se mostraram uma ótima fonte para estes compostos.
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22
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Ragassi Fiorini AM, Barbalho SM, Guiguer ÉL, Oshiiwa M, Mendes CG, Vieites RL, Chies AB, de Oliveira PB, de Souza MDSS, Nicolau CCT. Dipteryx alata Vogel May Improve Lipid Profile and Atherogenic Indices in Wistar Rats Dipteryx alata and Atherogenic Indices. J Med Food 2017; 20:1121-1126. [DOI: 10.1089/jmf.2017.0052] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
| | - Sandra Maria Barbalho
- Department of Biochemistry and Nutrition, Faculty of Food Technology of Marília, Marília, SP, Brazil
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília, SP, Brazil
| | - Élen Landgraf Guiguer
- Department of Biochemistry and Nutrition, Faculty of Food Technology of Marília, Marília, SP, Brazil
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília, SP, Brazil
| | - Marie Oshiiwa
- Department of Biochemistry and Nutrition, Faculty of Food Technology of Marília, Marília, SP, Brazil
| | - Claudemir Gregório Mendes
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília, SP, Brazil
| | - Rogério Lopes Vieites
- Faculty of Agronomic Sciences, University Estadual Paulista–UNESP, Botucatu, SP, Brazil
| | - Agnaldo Bruno Chies
- Department of Pharmacology, Marilia Faculty of Medicine, FAMEMA, Marília, SP, Brazil
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23
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Combination of nisin and ε-polylysine with chitosan coating inhibits the white blush of fresh-cut carrots. Food Control 2017. [DOI: 10.1016/j.foodcont.2016.11.026] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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24
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Xi Y, Fan X, Zhao H, Li X, Cao J, Jiang W. Postharvest fruit quality and antioxidants of nectarine fruit as influenced by chlorogenic acid. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2016.10.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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25
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Tsouvaltzis P, Brecht JK. Inhibition of Enzymatic Browning of Fresh-Cut Potato by Immersion in Citric Acid is Not Solely Due to pH Reduction of the Solution. J FOOD PROCESS PRES 2016. [DOI: 10.1111/jfpp.12829] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pavlos Tsouvaltzis
- Horticultural Sciences Department; University of Florida; Gainesville Florida 32611-0690
| | - Jeffrey K. Brecht
- Horticultural Sciences Department; University of Florida; Gainesville Florida 32611-0690
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26
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Livinali E, Sperotto RA, Ferla NJ, de Souza CFV. Physicochemical and nutritional alterations induced by two-spotted spider mite infestation on strawberry plants. ELECTRON J BIOTECHN 2014. [DOI: 10.1016/j.ejbt.2014.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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27
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Yazdani N, Arzani K, Mostofi Y, Shekarchi M. Antioxidative enzyme activity and internal browning of 1-methylcyclopropene-treated European pear fruits (cv. ‘Shahmiveh’ and ‘Sebri’). Int J Food Sci Technol 2014. [DOI: 10.1111/ijfs.12579] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Navid Yazdani
- Department of Horticultural Science; Tarbiat Modares University (TMU); Tehran Iran
| | - Kazem Arzani
- Department of Horticultural Science; Tarbiat Modares University (TMU); Tehran Iran
| | - Younes Mostofi
- Department of Horticultural Science; College of Agriculture & Natural Resources; University of Tehran; Karaj Iran
| | - Maryam Shekarchi
- Department of Research and Development; Food and Drug Lab Research Center; Ministry of Health; Tehran Iran
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28
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Tsouvaltzis P, Brecht JK. Changes in Quality and Antioxidant Enzyme Activities of Bunched and Topped Radish (R
aphanus sativus
L.) Plants during Storage at 5 or 10C. J FOOD QUALITY 2014. [DOI: 10.1111/jfq.12082] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Affiliation(s)
- Pavlos Tsouvaltzis
- Horticultural Sciences Department; University of Florida; Gainesville FL
| | - Jeffrey K. Brecht
- Horticultural Sciences Department; University of Florida; Gainesville FL
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29
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Guo Y, Gao Z, Li L, Wang Y, Zhao H, Hu M, Li M, Zhang Z. Effect of controlled atmospheres with varying O2/CO2 levels on the postharvest senescence and quality of broccoli (Brassica oleracea L. var. italica) florets. Eur Food Res Technol 2013. [DOI: 10.1007/s00217-013-2064-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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30
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Dyson A, Bryan NS, Fernandez BO, Garcia-Saura MF, Saijo F, Mongardon N, Rodriguez J, Singer M, Feelisch M. An integrated approach to assessing nitroso-redox balance in systemic inflammation. Free Radic Biol Med 2011; 51:1137-45. [PMID: 21718783 DOI: 10.1016/j.freeradbiomed.2011.06.012] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Revised: 05/23/2011] [Accepted: 06/07/2011] [Indexed: 11/17/2022]
Abstract
Most studies examining the metabolic fate of NO during systemic inflammation have focused on measuring the quantitatively predominating, stable anions nitrite and nitrate within the circulation. However, these are not necessarily the NO-related products that govern NO metabolism and signaling in tissues. We assessed all major NO derivatives temporally in blood and vital organs during inflammation and explored their relationship to insult severity and redox status. Male rats receiving intraperitoneal endotoxin or vehicle were sacrificed for organ and blood sampling between 0 and 24 h. Endotoxin induced transient and organ-specific changes in a variety of NO metabolites. Nitrite and nitrate increased, peaking at 8 and 12 h, respectively. S- and N-nitrosation and heme-nitrosylation products also peaked at 8 h; these posttranslational protein modifications were associated with decreased myocardial function (echocardiography). Evidence of oxidative stress and systemic inflammation was also obtained. The rise in most NO derivatives was proportional to insult severity. All metabolite levels normalized within 24 h, despite evidence of persisting myocardial dysfunction and clinical unwellness. Our findings point to a complex interplay between NO production, antioxidant defense, and redox status. Although the precise (patho)physiologic roles of specific NO derivatives and their diagnostic/prognostic utility await further investigation, nitroso species in erythrocytes are the most sensitive markers of NO in systemic inflammation, detectable before clinical symptoms manifest.
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Affiliation(s)
- Alex Dyson
- Bloomsbury Institute of Intensive Care Medicine, University College London, London, UK
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31
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Sajitha GR, Jose R, Andrews A, Ajantha KG, Augustine P, Augusti KT. Garlic Oil and Vitamin E Prevent the Adverse Effects of Lead Acetate and Ethanol Separately as well as in Combination in the Drinking Water of Rats. Indian J Clin Biochem 2010; 25:280-8. [PMID: 21731199 PMCID: PMC3001843 DOI: 10.1007/s12291-010-0042-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2009] [Accepted: 12/17/2009] [Indexed: 12/20/2022]
Abstract
Daily feeding of drinking water containing lead acetate (160 mg/l) or 10% alcohol by volume or a combination of both to rats for a month produced certain deleterious effects through oxidative stress. Both heavy metal lead and alcohol are capable of doing such damages. The deleterious alterations observed were in the parameters of blood, serum and tissues, viz; Hb, Pb, proteins, lipids, lipid per oxidation, Vitamins C and E levels and enzyme activities of AST, ALT, and catalase. Simultaneous feeding of either of the two antioxidants garlic oil (GO) and vitamin E at equal doses of 100 mg/kg/day, to the rats counteracted the deleterious effects of the above two chemicals significantly. The maximum damage was brought about by feeding of drinking water containing both lead acetate and alcohol. The protective effects of GO and Vitamin E were not significantly different. The mechanism of actions of the Vitamin E and GO is probably due to their efficiency as detoxifying agents and antioxidants, to scavenging free radicals as well as an independent action of GO on the removal of lead salt as lead sulfide.
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Affiliation(s)
- G. R. Sajitha
- Department of Biochemistry, Sree Mookambika Institute of Medical Sciences, Kanyakumari Dist, Kulasekharam, 629161 TN India
| | - Regi Jose
- Department of Community Medicine, Dr. SMCSI Medical College, Karakonam, Trivandrum, India
| | - A. Andrews
- Department of Medical Biochemistry, School of Medical Education, MG University Centre, Gandhi Nagar, Kottayam, 686 008 India
| | - K. G. Ajantha
- Department of Medical Biochemistry, School of Medical Education, MG University Centre, Gandhi Nagar, Kottayam, 686 008 India
| | - Paul Augustine
- Department of Surgical Oncology, Regional Cancer Center, Trivandrum, India
| | - K. T. Augusti
- Department of Biochemistry (Rtd), Kerala University, Kunnethedam, R1-JaiNagar, Medical College P.O., Thiruvananthapuram, 695011 Kerala India
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Saijo F, Milsom AB, Bryan NS, Bauer SM, Vowinkel T, Ivanovic M, Andry C, Granger DN, Rodriguez J, Feelisch M. On the dynamics of nitrite, nitrate and other biomarkers of nitric oxide production in inflammatory bowel disease. Nitric Oxide 2009; 22:155-67. [PMID: 20005300 DOI: 10.1016/j.niox.2009.11.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2009] [Revised: 11/20/2009] [Accepted: 11/30/2009] [Indexed: 12/18/2022]
Abstract
Nitrite and nitrate are frequently used surrogate markers of nitric oxide (NO) production. Using rat models of acute and chronic DSS-induced colitis we examined the applicability of these and other NO-related metabolites, in tissues and blood, for the characterization of inflammatory bowel disease. Global NO dynamics were assessed by simultaneous quantification of nitrite, nitrate, nitroso and nitrosyl species over time in multiple compartments. NO metabolite levels were compared to a composite disease activity index (DAI) and contrasted with measurements of platelet aggregability, ascorbate redox status and the effects of 5-aminosalicylic acid (5-ASA). Nitroso products in the colon and in other organs responded in a manner consistent with the DAI. In contrast, nitrite and nitrate, in both intra- and extravascular compartments, exhibited variations that were not always in step with the DAI. Extravascular nitrite, in particular, demonstrated significant temporal instabilities, ranging from systemic drops to marked increases. The latter was particularly evident after cessation of the inflammatory stimulus and accompanied by profound ascorbate oxidation. Treatment with 5-ASA effectively reversed these fluctuations and the associated oxidative and nitrosative stress. Platelet activation was enhanced in both the acute and chronic model. Our results offer a first glimpse into the systemic nature of DSS-induced inflammation and reveal a greater complexity of NO metabolism than previously envisioned, with a clear dissociation of nitrite from other markers of NO production. The remarkable effectiveness of 5-ASA to abrogate the observed pattern of nitrite instability suggests a hitherto unrecognized role of this molecule in either development or resolution of inflammation. Its possible link to tissue oxygen consumption and the hypoxia that tends to accompany the inflammatory process warrants further investigation.
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Affiliation(s)
- Fumito Saijo
- Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA 02118, USA
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SHIM SM, KIM MJ, KIM BS, KIM GH. Effects of Washing Solution and LDPE Package on the Quality Changes of Brined Chinese Cabbages at Different Storage Temperatures. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2008. [DOI: 10.3136/fstr.14.395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Staudte H, Sigusch BW, Glockmann E. Grapefruit consumption improves vitamin C status in periodontitis patients. Br Dent J 2005; 199:213-7, discussion 210. [PMID: 16127404 DOI: 10.1038/sj.bdj.4812613] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2004] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Previous studies demonstrate a relationship between a lack of vitamin C and increased risk of periodontal disease. In the present study we examine the vitamin C plasma levels and inflammatory measures in periodontitis patients before and after the consumption of grapefruit. SUBJECTS AND METHODS Fifty-eight patients with chronic periodontitis were assigned to the test group (non-smokers n=21, smokers n=17) and a diseased control group (non-smokers n=11, smokers n=9). Furthermore, 22 healthy subjects were recruited to compare vitamin C plasma levels between periodontally diseased and healthy subjects. Clinical evaluations, including plaque index (PI), sulcus bleeding index (SBI), probing pocket depths (PPD) and plasma vitamin C levels, were performed at baseline, and after two weeks of grapefruit consumption. RESULTS At baseline, we observed significantly reduced plasma vitamin C levels in the test group and diseased controls in comparison with the healthy controls. On principle, smokers showed lower levels of vitamin C (mean 0.39 +/- 0.17 mg dl(-1)) than non-smokers (mean 0.56+/-0.29 mg dl(-1)). After grapefruit consumption, the mean plasma vitamin C levels rose significantly in the test group compared to the diseased controls (non-smokers: 0.87+/-0.39 mg dl(-1), smokers: 0.74+/-0.30 mg dl(-1)). Furthermore the SBI was reduced in the test group (non-smokers: from 1.68+/-0.6 to 1.05+/-0.6, p<0.001), whereas PI and PPD were unaffected. CONCLUSION The present results show that periodontitis patients are characterised by plasma vitamin C levels below the normal range, especially in smokers. The intake of grapefruit leads to an increase in plasma vitamin C levels and improves sulcus bleeding scores. Longer term studies are necessary to determine whether other periodontal outcomes improve with such supplementation especially in smokers.
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Affiliation(s)
- H Staudte
- Department of Conservative Dentistry, Friedrich Schiller University, An der alten Post 4, 07750 Jena, Germany.
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Bryan NS, Rassaf T, Rodriguez J, Feelisch M. Bound NO in human red blood cells: fact or artifact? Nitric Oxide 2005; 10:221-8. [PMID: 15275868 DOI: 10.1016/j.niox.2004.04.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2004] [Revised: 04/26/2004] [Indexed: 11/17/2022]
Abstract
There has been considerable debate over the nature and chemistry of the interaction between nitric oxide (NO) and red blood cells (RBCs), in particular whether hemoglobin consumes or conserves NO bioactivity. Given the vast range of nitrosation levels reported for human RBCs in the literature, we sought to investigate whether there was a common denominator that could account for such discrepancies across different methodologies and reaction conditions and if such a pathway may exist in physiology. Here, we show that there are marked differences in reactivity toward NO between human and rat hemoglobin, which offers a mechanistic explanation for why basal levels of NO-adducts in primate RBCs are considerably lower than those in rodents. We further demonstrate that the inadvertent introduction of trace amounts of nitrite and incomplete thiol alkylation lead to rapid heme and thiol nitros(yl)ation, with generation of nitrosylhemoglobin (NOHb) and S-nitrosohemoglobin (SNOHb), while neither species is detectable in human RBCs at physiological nitrite concentrations. Thus, caution should be exercised in interpreting experimental results on SNOHb/NOHb levels that were obtained in the absence of knowledge about the degree of nitrite contamination, in particular when a physiological role for such species is implicated.
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Affiliation(s)
- Nathan S Bryan
- Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA 02118, USA
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Liu H, Jiang W, Zhou L, Wang B, Luo Y. The effects of 1-methylcyclopropene on peach fruit (Prunus persica L. cv. Jiubao) ripening and disease resistance. Int J Food Sci Technol 2005. [DOI: 10.1111/j.1365-2621.2004.00905.x] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Winston GW, Lemaire DGE, Lee RF. Antioxidants and total oxyradical scavenging capacity during grass shrimp, Palaemonetes pugio, embryogenesis. Comp Biochem Physiol C Toxicol Pharmacol 2004; 139:281-8. [PMID: 15683839 DOI: 10.1016/j.cca.2004.12.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2004] [Revised: 12/08/2004] [Accepted: 12/08/2004] [Indexed: 11/24/2022]
Abstract
During embryogenesis in grass shrimp the capacity to scavenge oxyradicals increased as measured by the Total Oxyradical Scavenging Capacity (TOSC) assay. The increase in TOSC during embryogenesis was associated with increasing concentrations of a number of antioxidants, including coenzyme Q (ubiquinone), alpha-tocopherol and reduced glutathione. Glutathione concentrations ranged from 0.004 to 0.005 nmol/embryo in early embryo stages and reached concentrations between 0.16 to 0.23 nmol/embryo in late embryo stages. Ascorbate remained essentially constant (0.16-0.20 nmol/embryo) throughout embryogenesis and may provide the preponderance of TOSC during early embryo development. Carotenoids were associated with yolk lipovitellin and these antioxidants decreased as yolk was absorbed during embryogenesis. Astaxanthin and beta-carotene were identified in embryos with astaxanthin always the principal carotenoid. In early embryo stages there are maternally derived antioxidants but as embryogenesis proceeds there is an assembly of a complex antioxidant system by newly formed cells and tissues.
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Affiliation(s)
- Gary W Winston
- Ministry of Health, Department of Environmental Health, Israel Public Health Services, Jerusalem 91010, Israel
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HAKIM ABDUL, AUSTIN MAXE, BATAL DEAN, GULLO SAFAWO, KHATOON MOHFEZA. QUALITY OF FRESH-CUT TOMATOES. J FOOD QUALITY 2004. [DOI: 10.1111/j.1745-4557.2004.tb00649.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Bryan NS, Rassaf T, Maloney RE, Rodriguez CM, Saijo F, Rodriguez JR, Feelisch M. Cellular targets and mechanisms of nitros(yl)ation: an insight into their nature and kinetics in vivo. Proc Natl Acad Sci U S A 2004; 101:4308-13. [PMID: 15014175 PMCID: PMC384737 DOI: 10.1073/pnas.0306706101] [Citation(s) in RCA: 315] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2003] [Accepted: 01/20/2004] [Indexed: 12/13/2022] Open
Abstract
There is mounting evidence that the established paradigm of nitric oxide (NO) biochemistry, from formation through NO synthases, over interaction with soluble guanylyl cyclase, to eventual disposal as nitrite/nitrate, represents only part of a richer chemistry through which NO elicits biological signaling. Additional pathways have been suggested that include interaction of NO-derived metabolites with thiols and metals to form S-nitrosothiols (RSNOs) and metal nitrosyls. Despite the overwhelming attention paid in this regard to RSNOs, little is known about the stability of these species, their significance outside the circulation, and whether other nitros(yl)ation products are of equal importance. We here show that N-nitrosation and heme-nitrosylation are indeed as ubiquitous as S-nitrosation in vivo and that the products of these reactions are constitutively present throughout the organ system. Our study further reveals that all NO-derived products are highly dynamic, have fairly short lifetimes, and are linked to tissue oxygenation and redox state. Experimental evidence further suggests that nitroso formation occurs substantially by means of oxidative nitrosylation rather than NO autoxidation, explaining why S-nitrosation can compete effectively with nitrosylation. Moreover, tissue nitrite can serve as a significant extravascular pool of NO during brief periods of hypoxia, and tissue nitrate/nitrite ratios can serve as indicators of the balance between local oxidative and nitrosative stress. These findings vastly expand our understanding of the fate of NO in vivo and provide a framework for further exploration of the significance of nitrosative events in redox sensing and signaling. The findings also raise the intriguing possibility that N-nitrosation is directly involved in the modulation of protein function.
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Affiliation(s)
- Nathan S Bryan
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
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Chen R, Lochmann R, Goodwin A, Praveen K, Dabrowski K, Lee KJ. Alternative complement activity and resistance to heat stress in golden shiners (Notemigonus crysoleucas) are increased by dietary vitamin C levels in excess of requirements for prevention of deficiency signs. J Nutr 2003; 133:2281-6. [PMID: 12840194 DOI: 10.1093/jn/133.7.2281] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Golden shiners (Notemigonus crysoleucas) require a dietary source of ascorbic acid (AA) for growth or survival, depending on diet composition. However, no quantitative requirements of golden shiners for AA for growth, health or survival have been determined, and specific deficiency signs have not been observed. The purpose of this study was to determine the effects of different dietary levels of AA on the growth and health of golden shiners fed diets containing 0-218.5 mg AA/kg diet for 10-16 wk. Weight gain, survival and gross deformities were assessed at 10 wk. The remaining fish were fed the same diets from wk 11-16; hematology and alternative complement activity were then assessed and a subset of live fish from each tank was exposed to elevated temperature. Gross deformities appeared in fish fed 0 mg AA/kg diet at 9 wk. The 19.5 mg AA/kg diet was sufficient to prevent the deformities and optimize survival, whereas growth did not differ among treatments. Fish fed 40.3 mg of AA/kg diet had a higher survival rate than fish fed 0 or 19.5 mg AA/kg diet after exposure to elevated temperatures (34-35.5 degrees C). Alternative complement activity and visceral AA concentrations were greater in fish fed diets with 218.5 mg AA/kg than in all other groups. The results indicate that the dietary requirement of AA for golden shiners increases in response to heat stress, and that the alternative complement activity (one index of immune competence) was strongly enhanced in fish fed a diet with approximately 10 times the amount of AA required to prevent deficiency signs.
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Affiliation(s)
- Ruguang Chen
- FSN Research Center, University of Rhode Island, West Kingston, RI 02892, USA
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Helen A, Krishnakumar K, Vijayammal PL, Augusti KT. Antioxidant effect of onion oil (Allium cepa. Linn) on the damages induced by nicotine in rats as compared to alpha-tocopherol. Toxicol Lett 2000; 116:61-8. [PMID: 10906423 DOI: 10.1016/s0378-4274(00)00208-3] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The beneficial effects of onion oil as an antioxidant has been assessed in nicotine administered rats by studying whether the peroxidative damage caused by nicotine can be effectively combated with the onion oil and the effects compared to vitamin E, a highly efficient antioxidant. Lipid peroxidation products and antioxidant defence system have been studied in liver, lungs, and heart. The rats were injected with nicotine (0.6 mg/kg body wt.) and simultaneously given onion oil (100 mg/kg body wt.) or vitamin E (100 mg/kg body wt.) for 21 days. Concentration of free fatty acids, TBA reactive substances (TBARS), conjugated dienes and hydroperoxides were significantly increased in the tissues of nicotine treated rats as compared to normal rats. Onion oil supplemented to nicotine treated rats showed increased resistance to lipid peroxidation and the effect was near to that of vitamin E fed rats. The activity of catalase and superoxide dismutase decreased in nicotine treated rats. Antioxidants-glutathione content, vitamin C and retinol showed no significant difference but liver vitamin E content significantly decreased in nicotine treated rats. On onion oil or vitamin E supplementation, the concentration of antioxidants were significantly raised in all the tissues studied, however, a significantly increased concentration of glutathione, vitamin E and retinol was noticed in vitamin E+nicotine treated rats. Thus, these results indicate that onion oil is an effective antioxidant against the oxidative damage caused by nicotine as compared to vitamin E.
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Affiliation(s)
- A Helen
- Department of Biochemistry, University of Kerala, Kariavattom, Thiruvananthapuram, India
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NUNES M, EMOND JP. CHLORINATED WATER TREATMENTS AFFECTS POSTHARVEST QUALITY OF GREEN BELL PEPPERS. J FOOD QUALITY 1999. [DOI: 10.1111/j.1745-4557.1999.tb00563.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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El-Bassiouni EA, Abo-Ollo MM, Helmy MH, Ismail S, Ramadan MI. Changes in the defense against free radicals in the liver and plasma of the dog during hypoxia and/or halothane anaesthesia. Toxicology 1998; 128:25-34. [PMID: 9704903 DOI: 10.1016/s0300-483x(98)00045-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Defenses against free radicals were evaluated in the dog under different conditions of ventilation. Changes in the levels of reduced glutathione (GSH), alpha-tocopherol (vitamin E), ascorbic acid (vitamin C) and the lipid peroxidation end-products, estimated as malondialdehyde (MDA) and the activity of superoxide dismutase (SOD), were studied in serial liver biopsies from dogs ventilated with either oxygen, halothane and oxygen, hypoxic gas mixture of 8% oxygen and 92% nitrogen or halothane under hypoxic conditions. Simultaneous determination of GSH, vitamin E and MDA were carried out in the plasma. The results showed time-dependent depletion of GSH and vitamin E in liver and plasma and vitamin C in the liver. This was accompanied by a simultaneous increase in the levels of MDA. The magnitude of the change was in the following order: halothane and hypoxia > hypoxia > halothane and oxygen > oxygen. The greatest depletion was observed for vitamin E and the least for vitamin C. The rise in the level of MDA in plasma was much higher than in the liver tissue. Hypoxia resulted in inhibition of liver SOD activity. It seems that increased production of free radicals under hypoxic conditions may have overwhelmed the anti-oxidant defenses in the liver. In addition, the much higher level of MDA in plasma, as compared to liver tissue, may indicate that MDA could have originated in tissues or organs other than the liver and leaked into the blood, indicating possible damage in other locations in the body.
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Affiliation(s)
- E A El-Bassiouni
- Department of Pharmacology, Medical Research Institute, Alexandria University, Egypt
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Apple ACC Oxidase: Purification and Characterization of the Enzyme and Cloning of Its cDNA. CELLULAR AND MOLECULAR ASPECTS OF THE PLANT HORMONE ETHYLENE 1993. [DOI: 10.1007/978-94-017-1003-9_11] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Dong JG, Fernández-Maculet JC, Yang SF. Purification and characterization of 1-aminocyclopropane-1-carboxylate oxidase from apple fruit. Proc Natl Acad Sci U S A 1992; 89:9789-93. [PMID: 1409700 PMCID: PMC50218 DOI: 10.1073/pnas.89.20.9789] [Citation(s) in RCA: 179] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
1-Aminocyclopropane-1-carboxylate (ACC) oxidase catalyzes the oxidation of ACC to ethylene. Following conventional column fractionation, the enzyme was purified 180-fold to near homogeneity with a specific activity of 20 nmol/(mg.min). This purified enzyme preparation migrated as a single protein band with an apparent molecular mass of 35 kDa on SDS/PAGE and 39 kDa on gel filtration. As in vivo, the purified enzyme required CO2 for activity. Removal of CO2 from the reaction mixture completely abolished the enzyme activity, while 0.5% atmospheric CO2 (0.15 mM in the medium) gave half-maximal activity. The purified enzyme displayed an absolute requirement for Fe2+ and ascorbate. The stoichiometry of the enzymatic reaction was determined: ACC + ascorbate + O2-->C2H4 + HCN + CO2 + dehydroascorbate + 2 H2O. A polyclonal antibody was raised against a synthetic tridecapeptide (PDLEEEYRKTMKE) whose sequence was deduced from the apple pAE12 cDNA [Dong, J. G., Olson, D., Silverstone, A. & Yang, S. F. (1992) Plant Physiol. 98, 1530-1531], which is homologous to tomato cDNAs encoding ACC oxidase. On a Western blot, this antibody specifically recognized the purified ACC oxidase protein. The amino acid composition of the purified enzyme agreed well with that deduced from the pAE12 sequence. When the protein was cleaved with CNBr and one of the peptide fragments was isolated and sequenced for 20 cycles, its sequence (KEFAVELEKLAEKLLDLLCE) precisely matched that predicted from pAE12 (residues 115-134). When preclimacteric apple fruit was treated with ethylene, a parallel increase in in vivo and in vitro ACC oxidase activities was observed, and this increase was accompanied by a concomitant increase in the level of pAE12 transcript. These observations support the conclusion that the isolated ACC oxidase protein is encoded by pAE12.
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Affiliation(s)
- J G Dong
- Mann Laboratory, Department of Vegetable Crops, University of California, Davis 95616
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Tsao C, Young M, Rose S. Quantitative analysis of ascorbic acid-2-sulfate by high-performance liquid chromatography with electrochemical detection. ACTA ACUST UNITED AC 1984. [DOI: 10.1016/0378-4347(84)80221-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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