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https://www.readbyqxmd.com/read/28106740/chemical-composition-and-antioxidant-properties-of-powders-obtained-from-different-plum-juice-formulations
#1
Anna Michalska, Aneta Wojdyło, Grzegorz P Łysiak, Adam Figiel
Among popular crops, plum (Prunus domestica L.) has received special attention due to its health-promoting properties. The seasonality of this fruit makes it impossible to consume it throughout the year, so new products in a powder form may offer an alternative to fresh consumption and may be used as high-quality natural food ingredients. A 100% plum (cultivar "Valor") juice was mixed with three different concentrations of maltodextrin or subjected to sugars removal by amberlite-XAD column, and dried using the freeze, spray, and vacuum (40, 60, and 80 °C) drying techniques...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098753/reagent-less-and-robust-biosensor-for-direct-determination-of-lactate-in-food-samples
#2
Iria Bravo, Mónica Revenga-Parra, Félix Pariente, Encarnación Lorenzo
Lactic acid is a relevant analyte in the food industry, since it affects the flavor, freshness, and storage quality of several products, such as milk and dairy products, juices, or wines. It is the product of lactose or malo-lactic fermentation. In this work, we developed a lactate biosensor based on the immobilization of lactate oxidase (LOx) onto N,N'-Bis(3,4-dihydroxybenzylidene) -1,2-diaminobenzene Schiff base tetradentate ligand-modified gold nanoparticles (3,4DHS-AuNPs) deposited onto screen-printed carbon electrodes, which exhibit a potent electrocatalytic effect towards hydrogen peroxide oxidation/reduction...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28042845/overall-quality-of-fruits-and-vegetables-products-affected-by-the-drying-processes-with-the-assistance-of-vacuum-microwaves
#3
REVIEW
Adam Figiel, Anna Michalska
The seasonality of fruits and vegetables makes it impossible to consume and use them throughout the year, thus numerous processing efforts have been made to offer an alternative to their fresh consumption and application. To prolong their availability on the market, drying has received special attention as currently this method is considered one of the most common ways for obtaining food and pharmaceutical products from natural sources. This paper demonstrates the weakness of common drying methods applied for fruits and vegetables and the possible ways to improve the quality using different drying techniques or their combination with an emphasis on the microwave energy...
December 30, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28040179/the-effect-of-bacteriophages-on-the-acidification-of-a-vegetable-juice-medium-by-microencapsulated-lactobacillus-plantarum
#4
Claude P Champagne, Sylvain Moineau, Sonia Lafleur, Tony Savard
Starter cultures are increasingly being used for the production of sauerkraut, kimchi and other fermented vegetables. The goal of this study was to determine whether the microencapsulation of a bacterial culture can prevent phage infection during vegetable fermentation. Lactobacillus plantarum HER1325 was microencapsulated in alginate beads. Some beads were used without further processing, while others were freeze-dried prior to testing. Fresh beads (diameter of 2 mm) and dried cultures of the lactobacilli (particle size of 53-1000 μm) were added to a vegetable juice medium (VJM) at 1 × 10(7) CFU/mL...
May 2017: Food Microbiology
https://www.readbyqxmd.com/read/28025673/wet-fractionation-of-the-succulent-halophyte-salicornia-sinus-persica-with-the-aim-of-low-input-water-saving-biorefining-into-bioethanol
#5
Ayah Alassali, Iwona Cybulska, Alejandro Ríos Galvan, Mette Hedegaard Thomsen
In this study Salicornia sinus-persica, a succulent halophyte was assessed for its potential to be used as a feedstock for bioethanol production. For such succulent, salty, green biomasses, direct fractionation and fermentation allow for water preservation in the process. Fresh biomass of S. sinus-persica was collected and split into two fractions by wet fractionation; liquid (juice) and solid (pulp). Sugar contents were found to be 1.0-1.5% for the juice fraction and 50% (w/w) for the fresh pulp. Direct fermentation of the juice using Saccharomyces cerevisiae showed no salt inhibition of the yeast and ethanol yields of ~70% were achieved...
December 26, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28002591/in-vivo-antimutagenic-effects-of-the-barbados-cherry-fruit-malpighia-glabra-linnaeus-in-a-chromosomal-aberration-assay
#6
E Düsman, I V Almeida, L T D Tonin, V E P Vicentini
Barbados cherry (BC) (Malpighia glabra Linnaeus) is a functional fruit that is consumed to prevent disease. It is used as an adjuvant in the treatment of several diseases, and acts as an antianemic, an appetite stimulant, a wound healer, an anti-inflammatory, a mineralizer, an antifungal, and an antioxidant agent. Several chemotherapeutic agents, such as cyclophosphamide, may result in undesirable side effects, and generate mutations in normal cells. Thus, the present study evaluated the antimutagenic potential of the fresh (BCN) and frozen (BCF) juices of BC pulp, with and without concomitant administration of cyclophosphamide, using a chromosomal aberration test system in the bone marrow cells of Wistar rats treated in vivo for 24 h...
December 19, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27987069/use-of-banana-musa-acuminata-colla-aaa-peel-extract-as-an-antioxidant-source-in-orange-juices
#7
Lucía Ortiz, Eva Dorta, M Gloria Lobo, L Antonio González-Mendoza, Carlos Díaz, Mónica González
Using banana peel extract as an antioxidant in freshly squeezed orange juices and juices from concentrate was evaluated. Free radical scavenging capacity increased by adding banana peel extracts to both types of orange juice. In addition, remarkable increases in antioxidant capacity using 2,2'-azino-bis-(3-ethylbenzothiazoline)-6-sulfonic acid (ABTS) radical were observed when equal or greater than 5 mg of banana peel extract per ml of freshly squeezed juice was added. No clear effects were observed in the capacity to inhibit lipid peroxidation...
December 17, 2016: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/27973398/microbiological-quality-of-fresh-nopal-juice
#8
Ana María Hernández-Anguiano, Patricia Landa-Salgado, Carlos Alberto Eslava-Campos, Mateo Vargas-Hernández, Jitendra Patel
The consumption of fresh nopal cactus juice is widely popular among health-conscious consumers in Mexico. The juice is prepared from fresh cladodes that have only been rinsed with tap water and are not subjected to a pasteurization or terminal bacterial reduction process. The aim of this study was to evaluate the microbial quality of commercially available fresh juices (n = 162) made with nopal in Texcoco, State of Mexico, during the summer and spring season. Standard microbiological methods, the PCR technique and the serological method were used for isolation and identification of bacteria...
December 10, 2016: Microorganisms
https://www.readbyqxmd.com/read/27968878/dietary-patterns-and-risk-of-breast-cancer-in-chinese-women-a-population-based-case-control-study
#9
Shurong Lu, Xingyu Huang, Hao Yu, Jie Yang, Renqiang Han, Jian Su, Wencong Du, Jinyi Zhou, Xiaojin Yu, Ming Wu
BACKGROUND: The incidence rate of breast cancer has markedly increased in recent years in China, yet the association of breast cancer with dietary patterns such as a Chinese traditional diet has not been studied. We aimed to examine this association among women from the Jiangsu Province of China. METHODS: In this case-control study, we used the data from local population-based cancer registry agency to recruit newly diagnosed patients with primary breast cancer as cases...
October 2016: Lancet
https://www.readbyqxmd.com/read/27942177/acute-kidney-injury-associated-with-ingestion-of-star-fruit-acute-oxalate-nephropathy
#10
A K Barman, R Goel, M Sharma, P J Mahanta
Starfruit (Averrhoa carambola) and its juice are popular in the Indian subcontinent as an indigenous medicine. Oxalate concentration in this fruit and it's freshly prepared juice is very high. We present a report of patients presenting with acute kidney injury due to oxalate nephropathy admitted in a single center. All patients had history of ingesting star fruit. Patients became symptomatic after 10-12 h of eating and main symptoms were pain abdomen and decrease in urine output. Three patients needed hemodialysis...
November 2016: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/27885688/effect-of-high-pressure-processing-and-thermal-pasteurization-on-overall-quality-parameters-of-white-grape-juice
#11
Yin-Hsuan Chang, Sz-Jie Wu, Bang-Yuan Chen, Hsiao-Wen Huang, Chung-Yi Wang
BACKGROUND: The aim of this study was to investigate the microbial levels, physicochemical and antioxidant properties, and polyphenoloxidase (PPO) and peroxidase (POD) activity, as well as to conduct a sensory analysis of white grape juice treated with high pressure processing (HPP) and thermal pasteurization (TP) over a period of 20 days of refrigerated storage. RESULTS: Results showed that HPP treatment of 600 MPa and TP significantly reduced aerobic bacteria, coliforms, and yeast counts...
November 24, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27882220/effects-of-blueberries-on-migration-invasion-proliferation-the-cell-cycle-and-apoptosis-in-hepatocellular-carcinoma-cells
#12
Wei Zhan, Xin Liao, Lei Yu, Tian Tian, Xing Liu, Jing Liu, Li-Jun Cai, Xuan Xiao, Ru-Jia Xie, Qin Yang
The aim of the present study was to investigate the effects of blueberry consumption on the migration, invasion, proliferation, cell cycle and apoptosis in human hepatocellular carcinoma (HCC) cells, in order to provide clinical treatment and prevention strategies for liver cancer using anticancer therapeutic agents. Rabbiteye blueberry was prepared as fresh juice and fed to rats at low, moderate and high dosages (25, 50 and 100%, respectively) by daily gastric gavage. Seven days later, the rats were sacrificed and the blood serum was obtained for co-culture with HEPG2 cells...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27865620/consumption-of-chokeberry-aronia-mitschurinii-products-modestly-lowered-blood-pressure-and-reduced-low-grade-inflammation-in-patients-with-mildly-elevated-blood-pressure
#13
Britt-Marie Loo, Iris Erlund, Raika Koli, Pauli Puukka, Jarkko Hellström, Kristiina Wähälä, Pirjo Mattila, Antti Jula
Previous studies suggest that consumption of chokeberries may improve cardiovascular disease risk factor profiles. We hypothesized that chokeberries (Aronia mitschurinii) have beneficial effects on blood pressure, low-grade inflammation, serum lipids, serum glucose, and platelet aggregation in patients with untreated mild hypertension. A total of 38 participants were enrolled into a 16-week single blinded crossover trial. The participants were randomized to use cold-pressed 100% chokeberry juice (300 mL/d) and oven-dried chokeberry powder (3 g/d), or matched placebo products in random order for 8 weeks each with no washout period...
November 2016: Nutrition Research
https://www.readbyqxmd.com/read/27864173/salad-leaf-juices-enhance-salmonella-growth-colonization-of-fresh-produce-and-virulence
#14
Giannis Koukkidis, Richard Haigh, Natalie Allcock, Suzanne Jordan, Primrose Freestone
: We show in this report that traces of juices released from salad leaves as they become damaged can significantly enhance colonization of salad leaves by Salmonella enterica Salad juices in water increased Salmonella growth by 110% over the level seen with the unsupplemented control and in host-like serum-based media by more than 2,400-fold over control levels. In serum-based media, salad juices induced growth of Salmonella via provision of Fe from transferrin, and siderophore production was found to be integral to the growth induction process...
January 1, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27861862/emulsion-stabilized-with-starch-octenyl-succinate-prolongs-nisin-activity-against-listeria-monocytogenes-in-a-cantaloupe-juice-model
#15
Preetam Sarkar, Arun K Bhunia, Yuan Yao
Food safety related to fresh and fresh-cut produce, such as cantaloupe, is a great challenge in the food industry. Various processing technologies, including the use of antimicrobial materials, have been applied to reduce pathogens. Nisin, an antimicrobial peptide, shows strong inhibitory activity against Listeria monocytogenes (LM); however, it suffers from quick depletion in foods. In this study, the protective effect of starch octenyl succinate (starch-OS) stabilized emulsion on nisin was evaluated in a cantaloupe juice model...
December 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27859362/citral-stabilization-and-characterization-of-nanoemulsions-stabilized-by-a-mixture-of-gelatin-and-tween-20-in-an-acidic-system
#16
Huaixiang Tian, Danfeng Li, Ting Xu, Jing Hu, Yuzhi Rong, Bo Zhao
BACKGROUND: Citral is one of the most important flavor compounds in fresh juice and lemon oil. Unfortunately, citral is chemically unstable and degrades over time in aqueous solutions. Here, citral nanoemulsions including a mixture of gelatin and Tween 20 as emulsifiers were produced in an effort to maintain the stability of citral in an acidic system. RESULTS: The mean droplet size and polydispersity index (PDI) of the citral nanoemulsions were 467.83 nm and 0...
November 17, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27846846/action-mechanism-and-cardiovascular-effect-of-anthocyanins-a-systematic-review-of-animal-and-human-studies
#17
REVIEW
Jordano Ferreira Reis, Valter Vinicius Silva Monteiro, Rafaelli de Souza Gomes, Matheus Moraes do Carmo, Glauber Vilhena da Costa, Paula Cardoso Ribera, Marta Chagas Monteiro
Cardiovascular diseases (CVD) are an important cause of death worldwide. Anthocyanins are a subgroup of flavonoids found in berries, flowers, fruits and leaves. In epidemiological and clinical studies, these polyphenols have been associated with improved cardiovascular risk profiles as well as decreased comorbidities. Human intervention studies using berries, vegetables, parts of plants and cereals (either fresh or as juice) or purified anthocyanin-rich extracts have demonstrated significant improvements in low density lipoproteins oxidation, lipid peroxidation, total plasma antioxidant capacity, and dyslipidemia as well as reduced levels of CVD molecular biomarkers...
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27809234/the-effects-of-pre-fermentative-addition-of-oenological-tannins-on-wine-components-and-sensorial-qualities-of-red-wine
#18
Kai Chen, Carlos Escott, Iris Loira, Juan Manuel Del Fresno, Antonio Morata, Wendu Tesfaye, Fernando Calderon, Santiago Benito, Jose Antonio Suárez-Lepe
Today in the wine industry, oenological tannins are widely used to improve wine quality and prevent oxidation in wine aging. With the development of tannin products, new oenological tannins are developed with many specific functions, such as modifying antioxidant effect, colour stabilization and aroma modifications. The aim of this work is to investigate effects of pre-fermentative addition of oenological tannins on wine colour, anthocyanins, volatile compounds and sensorial properties. In this case, Syrah juice was extracted with classic flash thermovinification from fresh must in order to release more colour and tannins...
October 31, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27778523/the-multifunctionality-of-berries-toward-blood-platelets-and-the-role-of-berry-phenolics-in-cardiovascular-disorders
#19
Beata Olas
Diet and nutrition have an important influence on the prophylaxis and progression of cardiovascular disease; one example is the inhibition of blood platelet functions by specific components of fruits and vegetables. Garlic, onion, ginger, dark chocolate and polyunsaturated fatty acids all reduce blood platelet aggregation. A number of fruits contain a range of cardioprotective antioxidants and vitamins, together with a large number of non-nutrient phytochemicals such as phenolic compounds, which may possess both antioxidant properties and anti-platelet activity...
October 25, 2016: Platelets
https://www.readbyqxmd.com/read/27763542/green-extraction-from-pomegranate-marcs-for-the-production-of-functional-foods-and-cosmetics
#20
Raffaella Boggia, Federica Turrini, Carla Villa, Chiara Lacapra, Paola Zunin, Brunella Parodi
The aim of this study was to investigate the potential of retrieving polyphenolic antioxidants directly from wet pomegranate marcs: the fresh by-products obtained after pomegranate juice processing. These by-products mainly consist of internal membranes (endocarp) and aril residues. Even if they are still edible, they are usually discharged during juice production and, thus, they represent a great challenge in an eco-sustainable industrial context. Green technologies, such as ultrasound assisted extraction (UAE) and microwave assisted extraction (MAE), have been employed to convert these organic residues into recycled products with high added value...
October 18, 2016: Pharmaceuticals
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