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1.
Int J Biol Macromol ; 278(Pt 3): 134894, 2024 Aug 20.
Article in English | MEDLINE | ID: mdl-39168215

ABSTRACT

Vitamin D encapsulation can significantly improve its bioavailability, stability, and solubility. Various biopolymers viz. whey protein isolate, carboxymethyl cellulose, alginate and gum arabic were studied for their potential to be used as wall material and gum arabic was selected for encapsulating vitamin D3 as it possesses lesser particle size, apparent viscosity and better stability in terms of zeta potential. Box Behnken design was employed for optimizing the process conditions for developing vitamin D3 nanoemulsion. Box Behnken design was constructed using ultrasonic amplitude, sonication time and vitamin D3/wall material percent as independent factors. The optimum conditions obtained were ultrasonic amplitude (80 %), sonication time (12 min) and vitamin D3/wall material percent (5). The designed nanoemulsion showed a particle size of 20.04 nm, zeta potential of -28.2 mV, and encapsulation efficiency of 71.9 %. Chemical interactions were observed in the developed nanoemulsion as demonstrated by Differential scanning calorimeter thermograms and Fourier transform infrared spectra of the nanoemulsion. The Korsmeyer-Peppas model was the most suitable for describing the release of vitamin D3 from the nanoemulsion. Fabricated nanoemulsion has the potential to be used in food and pharmaceutical industries.

2.
Food Chem X ; 22: 101521, 2024 Jun 30.
Article in English | MEDLINE | ID: mdl-38952570

ABSTRACT

Lemongrass essential oil (LEO), extracted from high-oil lemongrass, gains prominence as a versatile natural product due to growing demand for safe health solutions. LEO comprises beneficial compounds like citral, isoneral, geraniol, and citronellal, offering diverse pharmacological benefits such as antioxidant, antifungal, antibacterial, antiviral, and anticancer effects. LEO finds applications in food preservation, cosmetics, and pharmaceuticals, enhancing profitability across these sectors. The review focuses on the extraction of LEO, emphasizing the need for cost-effective methods. Ultrasound and supercritical fluid extraction are effective in reducing extraction time, increasing yields, and enhancing oil quality. LEO shows promise as a valuable natural resource across industries, with applications in packaging, coating, and film development. LEO's ability to extend the shelf life of food items and impart natural flavors positions it as a valuable asset. Overall, the review emphasizes LEO's therapeutic, antimicrobial, and antioxidant properties, strengthening its potential in the food, pharmaceutical, and cosmetic sectors.

3.
Nutrition ; 115: 112154, 2023 Nov.
Article in English | MEDLINE | ID: mdl-37536023

ABSTRACT

Consumers' growing interest in using foods that improve health has motivated researchers and the food industry to develop new functional products, such as foods containing probiotics or live microbes. Probiotics have functional attributes that could satisfy most basic nutritional and therapeutic supplementation requirements. These microbes positively respond to clinical therapies against diseases and illnesses such as rotavirus-associated diarrhea, irritable bowel syndrome, and food allergies. Moreover, the role of probiotics in the prevention and treatment of obesity, diabetes, cancer, and diseases related to pathogenic microbes is an exciting and rapidly advancing research arena. Probiotic supplementation usually involves dairy products. However, because of the growing number of individuals affected by lactose intolerance and/or vegans, other food matrices like fruits, vegetables, cereals, and so on, have been studied as potential carriers for these microorganisms, presenting an alternative and better source in the process of assessing novel probiotic strains. The present review discusses the various factors affecting the survival of probiotics during storage in fruit juices, the possible effect of probiotics on sensory attributes and the overall acceptance of the products, and future technologies to improve the viability of probiotics.

4.
Toxicol Rep ; 9: 1419-1425, 2022.
Article in English | MEDLINE | ID: mdl-36518469

ABSTRACT

Monitoring of pesticide residues in fruits and vegetables and their processed products like jams, pickles, juices, ketchup, dried products and canned products was undertaken. The study was conducted to assess the effect of washing, peeling, heating and cooking on concentration of various pesticides. The stability of various pesticides in samples and their products was assessed. Pesticide residues were extracted using QuEChERS method and analysed by GC-MS. It was observed that pesticides like mancozeb and carbofuron were found to be stable for tomato and potato while chloropyriphos, captan and mancozeb (in other samples) were found to be unstable. It was also observed that peels and pomace showed highest levels of pesticide residues. In this study, washing, peeling and heat processing (boiling and blanching) have been found to be the most effective ways of pesticide residue dissipation.

5.
BMC Chem ; 16(1): 78, 2022 Oct 19.
Article in English | MEDLINE | ID: mdl-36261853

ABSTRACT

Cabbage being a highly imported product is often subjected to long term cold storage to maintain product quality and in order to retain its freshness it is kept in cold chambers for a long time. Being highly infested by pests during storage, cabbages are often treated with insecticides having active ingredients such as carbofuran in them. Also, large number of malpractices have come into the notice of the regulatory bodies where the growers use last minute Carbofuran dips on the cabbage heads to improve the shine and lustre of the foliage for better marketability .Therefore, the study was conducted to monitor the effect of cold storage on degradation pattern of Carbofuran on Cabbage during storage in Kashmir valley. The level of carbofuran residue decreased with an increase in storage period Dissipation pattern was studied for three application rates of Carbofuran by dipping the samples in T1 (First dose) 3g/1000mL, T2 (Second dose) 2g/1000mL, T3 (Third dose) 1g/1000mL. The initial control deposit was found to be 0.05mg/kg for T1, 0.03mg/kg for T2, 0.01mg/kg for T3 on Cabbage. The residues were dissipated to about 0.02mg/kg in T1, 0.01mg/kg in T2 and ND in T3 after 60 days of application. The waiting period after proper risk assessment was calculated and was found to be 30 days for almost all application rates.

6.
Sci Rep ; 12(1): 16923, 2022 10 08.
Article in English | MEDLINE | ID: mdl-36209294

ABSTRACT

In the present study, chitosan (CH) based biodegradable films were developed enriched with thyme essential oil (TEO) incorporated with different additives including zinc oxide (ZnO), polyethylene glycol (PEG), nano clay (NC), and calcium chloride (CaCl2) and characterize the postharvest quality of 'collard greens' during refrigerated storage. The results indicated that the incorporation of ZnO/PEG/NC/CaCl2 in CH-based films significantly decreased water vapor transmission rate, increased tensile strength, and were water soluble and biodegradable in nature. Moreover, CH-TEO based films incorporated with ZnO/PEG/NC/CaCl2 were significantly effective in reducing physiological weight loss, retained total soluble solids, titratable acidity, and preserved chlorophyll contents as well as showed lesser a* values, suppressed microbial growth, and preserving appearance/sensory quality of collard greens for 24 days than LDPE and other biodegradable films. Our results suggest that CH-based films enriched with TEO and additives such as ZnO/CaCl2/NC/PEG are an ecological, environmental friendly, and effective alternative approach to retain shelf life of collard greens during refrigerated storage.


Subject(s)
Brassica , Chitosan , Oils, Volatile , Thymus Plant , Zinc Oxide , Calcium Chloride , Chlorophyll , Clay , Escherichia coli , Food Packaging/methods , Polyethylene , Polyethylene Glycols , Steam
7.
Int J Biol Macromol ; 217: 572-582, 2022 Sep 30.
Article in English | MEDLINE | ID: mdl-35810854

ABSTRACT

This study includes development of chitosan-based films with incorporated essential thyme oil and different combinations of cross-linkers viz., ZnO, CaCl2, NC, and PEG for the safe storage of sweet cherries. The resulting films stored with sweet cherries were analyzed for different physicochemical and antimicrobial properties. Incorporation of ZnO, CaCl2, NC, and PEG in chitosan-based films maintained fruit quality by conserving higher total soluble solids, titratable acidity, and reduced weight loss. The combined ZnO + CaCl2 + NC + PEG in chitosan-based films also suppressed microbial activity. The sensorial quality of fruits stored with CH + ZnO + CaCl2 + NC + PEG treatment was also stable during storage. In conclusion, the combined CH + ZnO + CaCl2 + NC + PEG with added thyme oil application is an effective approach to maintain the postharvest quality and could be an alternative to increase the shelf life of sweet cherries, besides decreasing environmental impacts of non-biodegradable packages.


Subject(s)
Chitosan , Oils, Volatile , Prunus avium , Zinc Oxide , Calcium Chloride , Chitosan/chemistry , Clay , Food Packaging/methods , Humans , Life Support Care , Oils, Volatile/pharmacology , Plant Oils , Polyethylene Glycols , Thymol , Thymus Plant , Zinc Oxide/chemistry
8.
Front Nutr ; 9: 850730, 2022.
Article in English | MEDLINE | ID: mdl-35634399

ABSTRACT

This study aimed to examine the effect of canning and storage on physicochemical, mineral, and antioxidant properties and phenolic composition of apricot wholes, halves, and pulp. The findings for physicochemical properties revealed that the total soluble solids, titratable acidity, total sugars, and ascorbic acid were found higher in apricot pulp (37.15, 1.39, and 20.74% and 7.21 mg/100 g FW, respectively) followed by apricot wholes and halves throughout the storage period. The remarkable contents of potassium, phosphorous, zinc, copper, iron, and manganese were found in the apricot pulp which revealed that canning and storage slightly affected the mineral composition. Bioactive substances were identified and quantified by reversed-phase high-performance liquid chromatography, which indicated a higher presence of chlorogenic acid (34.45 mg/kg FW), quercitin-3-glucoside (16.78 mg/kg FW), neochlorogenic acid (26.52 mg/kg FW), gallic acid (5.37 mg/kg FW), kaempferol (14.22 mg/kg FW), ellagic acid (6.02 mg/kg FW), procyanidin B2 (8.80 mg/kg FW), and epicatechin (9.87 mg/kg FW) in apricot pulp followed by apricot wholes and halves throughout the storage period. The total phenolic content was found highest in apricot pulp (13.76 GAE mg/100 g FW) followed by wholes (8.09 GAE mg/100 g FW) and halves (6.48 GAE mg/100 g FW) which decreased significantly throughout the storage period. Antioxidant properties were assessed by DPPH, ABTS+, MCA, and BCBA, which were found higher in the apricot pulp (92.23 TEAC µg/g DW, 92.33 TEAC µg/g DW, 33.80 TEAC µg/g DW, and 68.40 TEAC µg/g DW, respectively) that is correlated with the higher presence of bioactive compounds. Thus, apricot pulp containing excellent sources of nutrients, minerals, phytochemicals, and antioxidant components could be used for consumption purposes that provide nutraceuticals and antioxidants globally.

9.
Food Chem ; 385: 132608, 2022 Aug 15.
Article in English | MEDLINE | ID: mdl-35279496

ABSTRACT

In this study pomegranate peel extract was evaluated as source of antioxidant encapsulated by nano-emulsions in soybean oil. Encapsulating agents maltodextrin (MD), whey proteins isolate (WPI) and complex of maltodextrin and whey protein isolate (MD/WPI) (1:1) were used as wall material. Average droplet size of primary W/O and double W/O/W nanoemulsions stabilised by MD, WPI and MD/WPI were 108 nm, 157.82,189.94 nm and 191.12 nm respectively. Lyophilised nanoemulsion powders were added at 100, 200 and 300 ppm concentration to soyabean and mustard oil and observed for change in various oxidative stability indices during storage and were compared to non-encapsulated extract and synthetic antioxidant BHT. From the results, it can be suggested that nanoencapsulated extract at 300 ppm concentration performed better in controlling oxidative changes in both oils than unencapsulated and synthetic one, however, extract encapsulated by MD/WPI exhibited higher antioxidant effects due to controlled release of bioactive compounds.


Subject(s)
Pomegranate , Antioxidants , Emulsions , Life Expectancy , Plant Extracts , Whey Proteins
10.
Food Sci Technol Int ; 28(7): 557-569, 2022 Oct.
Article in English | MEDLINE | ID: mdl-34259077

ABSTRACT

This study aimed at investigating the influence of different postharvest treatments with oxalic acid (OA) and salicylic acid (SA) on quality attributes and postharvest shelf life of temperate grown apricot varieties stored under controlled atmosphere (CA) storage conditions. After each treatment was given, the samples were stored in CA store maintained at a temperature of 0 °C, 90 ± 5% relative humidity, 5% oxygen and 15% carbon dioxide for 30 days. Results indicated that both OA and SA treatments significantly (p ≤ 0.05) retained total soluble solids, titratable acidity, color profile, ascorbic acid content and total phenolic content of apricot varieties and had a positive effect on antioxidant activity and texture of samples compared to control. However, carotenoid content was found to be higher in control. Both the treatments reduced chilling injury index, weight loss and decay percentage of samples. Moreover, it was found that SA treatment was the most effective treatment in maintaining visual color of apricots while OA maintained fruit firmness and effectively decreased the decay percentage and chilling injury index of apricot varieties. In conclusion, it was found that both OA and SA have the potential to extend storage life of apricots and maintain quality attributes of the crop during CA storage.


Subject(s)
Prunus armeniaca , Prunus , Antioxidants , Ascorbic Acid , Atmosphere , Carbon Dioxide , Carotenoids , Fruit , Oxalic Acid , Oxygen , Salicylic Acid/pharmacology
11.
Foods ; 10(11)2021 Nov 15.
Article in English | MEDLINE | ID: mdl-34829087

ABSTRACT

The present study focuses on studying the influence of various edible biopolymer coatings at several concentrations on physicochemical, antioxidant and lipid peroxidation activity levels of biopolymer-coated fresh-cut kiwi slices stored at room temperature (relative humidity: 90%). Kiwi slices were coated by dipping in xanthan gum (0.1, 0.2, 0.3% w/v), alginate (1, 2, 3% w/v) and chitosan (0.25, 0.50, 0.75% w/v) solutions for 2 min. Kiwi fruit slices without any treatment were designated as the control. Compared to the control, all coated samples retained higher ascorbic acid, titratable acidity, total phenolic component and antioxidant capacity levels. However, xanthan-gum-coated slices retained significantly higher amounts of total phenolics in comparison to alginate- and chitosan-coated slices (p ≤ 0.05). HPLC analysis showed the presence of neochlorogenic acid, chlorogenic acid, ellagic acid and epicatechin. The results suggest that the xanthan gum can be utilized to enhance the shelf life of fresh-cut kiwi slices without compromising quality.

12.
J Food Sci Technol ; 58(11): 4139-4148, 2021 Nov.
Article in English | MEDLINE | ID: mdl-34538898

ABSTRACT

Three types of honeys viz. Robinia pseudoacacia (RSA), Plectranthus rugosus (PR) and multifloral honey (MF) from Kashmir Himalayas of India were characterized on the basis of physicochemical, antioxidant and FTIR-ATR spectroscopic features. The physicochemical parameters indicated that ash content, electrical conductivity, redness (a*) and yellowness (b*) were higher in MF honey, moisture content, Hydroxymethylfurfural (HMF) and lightness (L*) in PR honey and Water activity (aw) and proline content in RSA honey (P ≤ 0.05). Significantly higher values of total sugar, total reducing sugar and sucrose content was observed in MF honey (P ≤ 0.05). The total phenolic content (TPC), total flavonoids, ferric reducing antioxidant power and 1, 1-diphenyl-2-picrylhydrazy-IC50 (DPPH- IC50) free radical scavenging activity showed that MF honey had significantly higher antioxidant activity (P ≤ 0.05). ATR-FTIR analysis demonstrated that the absence of peaks at broad band around 1653.454-1637.656 cm-1 in MF honey, 1185.989-1153.072 cm-1 and 918.570-916.544 cm-1 wavenumbers in PR honey thus clearly discriminating different types of honeys. The results revealed that physico-chemical, antioxidant and spectroscopic characteristics of honey types vary with geographic origin and their floral sources and MF honey have a high therapeutic potential.

13.
Int J Biol Macromol ; 183: 2100-2108, 2021 Jul 31.
Article in English | MEDLINE | ID: mdl-34102235

ABSTRACT

Effect of edible coatings of gum Arabic, carrageenan and xanthan gum containing lemon grass essential oil 1% w/v on postharvest quality of strawberry was studied under refrigeration for a period of 12 days. Results showed all the three coatings maintained fruit quality parameters during storage compared to control. Among all the coatings, carrageenan coated fruits showed delayed weight loss (10.1 to 8%), decay percentage (78.42 to 14.29%), retained ascorbic acid (0.15 to 0.27 g kg-1), antioxidant activity (18.17 to 25.85%), firmness (9.07 to 12.43 N), L* (32.38 to 40.42), a* (16.08 to 17.22) and b* (27.36 to 33.54). Carrageenan gum also showed lowest cellulase activity (0.03 units h-1 mg protein-1), pectin methylesterase activity (1.13 A620 min-1 mg protein-1) and ß-galactosidase activity (0.51 µmol min-1 mg protein-1), while showed maximum reduction in polygalacturonase activity (0.07 units h-1 mg protein-1) at the end of storage. Carrageenan gum was found effective in retention of anthocyanins and phenolic compounds during storage. Coatings loaded with antimicrobial agent inhibited psychrophilic bacteria, yeast and mold growth. It is concluded that carrageenan gum could better retain strawberry quality up to 12 days under refrigeration.


Subject(s)
Anti-Infective Agents/chemistry , Carrageenan/chemistry , Edible Films , Food Packaging , Food Preservation , Fragaria/enzymology , Fruit/enzymology , Gum Arabic/chemistry , Plant Oils/chemistry , Polysaccharides, Bacterial/chemistry , Anthocyanins/metabolism , Anti-Infective Agents/pharmacology , Antioxidants/metabolism , Ascorbic Acid/metabolism , Carboxylic Ester Hydrolases/metabolism , Cellulase/metabolism , Cymbopogon , Food Microbiology , Food Storage , Fragaria/microbiology , Fruit/microbiology , Phenols/chemistry , Plant Oils/isolation & purification , Plant Oils/pharmacology , Polygalacturonase/metabolism , Refrigeration , Time Factors , beta-Galactosidase/metabolism
14.
Food Chem ; 349: 129149, 2021 Jul 01.
Article in English | MEDLINE | ID: mdl-33540221

ABSTRACT

The effect of nanochitosan coating containing pomegranate peel extract (PPE) at concentrations 0.5, 0.75 and 1% (w/v) on postharvest quality of apricot fruit was studied during storage at 4 °C for 30 days. Nanoemulsions showed significant increase in droplet diameter 275-400 nm, decrease in zeta potential -30-23 mV and viscosity 90-76 mPas-1 with increase in PPE concentration. Results confirmed that apricot fruit treated with chitosan and 1% PPE showed significantly reduced decay percentage, weight loss, effectively retained DPPH radical scavenging activity, ascorbic acid, kept titratable acidity and firmness at high level than untreated fruit. Color attributes showed decrease in L*, a* values and significant increase in b* value. Nanochitosan containing 1% PPE significantly inhibited total psychrophilic bacterial count, yeast and mold count during storage. Our results suggest that chitosan coatings enriched with pomegranate peel extract has the potential to preserve the quality and extend shelf life of apricot.


Subject(s)
Chitosan/pharmacology , Food Storage , Fruit/drug effects , Nanostructures/chemistry , Plant Extracts/chemistry , Pomegranate/chemistry , Prunus armeniaca/drug effects , Chitosan/chemistry , Emulsions
15.
J Food Sci Technol ; 55(11): 4505-4514, 2018 Nov.
Article in English | MEDLINE | ID: mdl-30333647

ABSTRACT

The present study was carried out to evaluate the effect of processing methods and storage periods on the three apricot varieties viz. CITH-1, CITH-2 and New Castle. Apricots were processed by freezing and canning of pulp and drying of whole apricots. After processing these were analysed for various physicochemical and antioxidant properties for a storage period of 12 months at 4 month interval. The results for physicochemical properties like moisture content, TSS, total sugars and reducing sugars showed significant variation with respect to varieties and processing methods during storage. Apricots processed by canning showed highest retention of antioxidants in terms of TPC, FRAP, DPPH and metal chelating activity throughout storage period than that of frozen and dried one. CITH-2 processed by canning, freezing and drying method showed highest antioxidant properties than CITH-1 and New Castle. It can be concluded from the study that canning and freezing can preserve the apricot pulp for 12 months and significantly retain bioactive compounds.

16.
Crit Rev Food Sci Nutr ; 56(15): 2431-2454, 2016 Nov 17.
Article in English | MEDLINE | ID: mdl-25603446

ABSTRACT

Functional foods find a very important place in the modern era, where different types of cancer, diabetes, cardiovascular diseases, etc. are on a high. Irrespective of the abundance of bioactive components in different fruits and vegetables, their low solubility in aqueous solution, vulnerability to destruction in different environmental and gastrointestinal conditions and a low intestinal absorption becomes a concern. Because it is quite difficult to commercialize non food materials for the food encapsulation purposes due to their safety concerns in the human body, scientists in the recent times have come up with the idea of encapsulating the different bioactive components in different food grade materials that are able to safeguard these bioactive components against the different environmental and gastrointestinal conditions and ensure their safe and targeted delivery at their absorption sites. Different food grade encapsulation materials including various oligosaccharides, polysaccharides (starch, cyclodextrins, alginates, chitosan, gum arabic, and carboxymethyl cellulose) and proteins and their suitability for encapsulating various bioactive components like flavonoids (catechins, rutin, curcumin, hesperetin, and vanillin), nonflavonoids (resveratrol), carotenoids (ß-carotene, lycopene, and lutein), and fatty acids (fish oil, flaxseed oil, and olive oil) of high medical and nutritional value are reviewed here.


Subject(s)
Food Technology/instrumentation , Functional Food , Technology, Pharmaceutical/instrumentation , Carotenoids/administration & dosage , Dietary Supplements , Fatty Acids/administration & dosage , Flavonoids/administration & dosage , Food Technology/methods , Fruit/chemistry , Humans , Oligosaccharides , Plant Proteins , Polysaccharides , Resveratrol , Stilbenes/administration & dosage , Vegetables/chemistry
17.
J Food Sci Technol ; 52(9): 5718-26, 2015 Sep.
Article in English | MEDLINE | ID: mdl-26344985

ABSTRACT

Milk proteins were hydrolyzed by papain and their effect on the rheological, textural and sensory properties of cookies were investigated. Water absorption (%) decreased significantly as the amount of milk protein concentrates and hydrolysates increased up to a level of 15 % in the wheat flour. Dough extensibility decreased with inrease in parental proteins and their hydrolysates in wheat flour, significantly. Similarly, the pasting properties also varied significantly in direct proportion to the quantity added in the wheat flour. The colour difference (ΔE) of cookies supplemented with milk protein concentrates and hydrolysates were significantly higher than cookies prepared from control. Physical and sensory characteristics of cookies at 5 % level of supplementation were found to be acceptable. Also the scores assigned by the judges for texture and colour were in good agreement with the measurements derived from the physical tests.

18.
Int J Biol Macromol ; 72: 1168-75, 2015 Jan.
Article in English | MEDLINE | ID: mdl-25239191

ABSTRACT

This paper reports the characterization and potential antioxidant activity of ß-D-glucan isolated from barley treated with γ-rays. The ß-D-glucan was irradiated with 0, 2, 4 and 8 kGy by gamma ray. The samples were characterized by Fourier transform-infrared spectroscopy, gel permeation chromatography (GPC) and quantitative estimation by Megazyme ß-D-glucan assay kit. The average molecular weight of non-irradiated ß-D-glucan was 177 kDa that decreased to 79 kDa at 8 kGy. Antioxidant activity was evaluated by five complementary assays including DPPH, lipid peroxidation, reducing power, metal chelating ability and oxidative DNA damage assays. Further, the antiproliferative potential of irradiated ß-D-glucan was tested against three human cancer cell lines including Colo-205, T47D and MCF7 using MTT assay. Irradiated ß-D-glucan exhibited dose dependent cancer cell growth inhibition. In conclusion, the present study demonstrates that irradiation leads to the formation of low molecular weight ß-D-glucan with enhanced antioxidant and antiproliferative activities.


Subject(s)
Dietary Supplements/analysis , Gamma Rays , Hordeum/chemistry , beta-Glucans/chemistry , beta-Glucans/pharmacology , Antioxidants/pharmacology , Biphenyl Compounds/chemistry , Cell Line, Tumor , Cell Proliferation/drug effects , Cell Proliferation/radiation effects , DNA Damage , Free Radical Scavengers/pharmacology , Humans , Iron Chelating Agents/pharmacology , Lipid Peroxidation/drug effects , Lipid Peroxidation/radiation effects , Molecular Weight , Oxidation-Reduction/drug effects , Oxidation-Reduction/radiation effects , Picrates/chemistry , Spectroscopy, Fourier Transform Infrared , Viscosity , beta-Glucans/radiation effects
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