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Fresh juicing

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
Justyna W Wuenstel, Lidia Wądołowska, Małgorzata A Słowinska, Ewa Niedźwiedzka, Joanna Kowalkowska, Lidia Kurp
AIM: The aim of this observational study was to investigate the intake of dietary fibre and its sources among Polish adolescents according to prevalence of overweight after adjustment for age and gender. METHODS: The study sample consisted of 1,565 students, including 48% boys and 52% girls aged 13-18 with normal weight, overweight and obesity. Dietary information was reported using the Block Screening Questionnaire for Fruit/Vegetable/Fibre Intake. The nutritional status was assessed on the basis of body mass and height measurements...
September 2016: Central European Journal of Public Health
V G Radchenko, P V Seliverstov, S S Ledentsova, A V Man'yakov
AIM: To determine the incidence of biliary sludge (BS) and to evaluate the clinical efficacy of Chophytol in patients with nonalcoholic steatohepatitis (NASH) and BS in the presence of metabolic syndrome (MS). SUBJECTS AND METHODS: Clinical laboratory examination was made in 72 patients with NASH in the presence of MS. BS was identified in 52 (72.2%) examinees who were divided in two (study and control) groups. The efficacy of Chophytol of plant origin, prepared from the purified extract of fresh artichoke (Cynara scolymus) leaf juice, which was used at a dose of 3 tablets thrice daily for a month, was evaluated...
2016: Terapevticheskiĭ Arkhiv
Tao Su, Wei-Wei Zhang, Ya-Ming Zhang, Brian Chi-Yan Cheng, Xiu-Qiong Fu, Ting Li, Hui Guo, Ya-Xi Li, Pei-Li Zhu, Hui Cao, Zhi-Ling Yu
ETHNOPHARMACOLOGICAL RELEVANCE: Pinelliae Rhizoma (PR), the dried tuber of Pinellia ternata (Thunb.) Breit., is a traditional Chinese medicinal herb. It is commonly used for treating cancer, cough and phlegm. To treat cancer, Chinese medicine practitioners often use raw PR; while to treat cough and phlegm, they usually use Pinelliae Rhizoma Praeparatum cum Zingibere et Al..umine (PRZA, raw PR processed with ginger juice and alumen as adjuvant materials). Currently, the producing protocol of PRZA varies greatly among different places in China...
October 4, 2016: Journal of Ethnopharmacology
Guanshen Yuan, Jie Ren, Xiaoyu Ouyang, Liying Wang, Mengze Wang, Xiaodong Shen, Bolin Zhang, Baoqing Zhu
This study investigated the effect of raw material, pressing, and glycosidase on the aromatic profile of goji berry wine. The free-run and the pressed juice of dried and fresh goji berries were used for wine production, whereas glycosidase was applied to wine after fermentation. Dried goji berry fermented wine exhibited much stronger fruity, floral, caramel, and herbaceous odors due to higher levels of esters, β-ionone and methionol. However, fresh berry fermented wine possessed stronger chemical notes due to higher levels of 4-ethylphenol...
October 2, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Michael Vagiri, Martin Jensen
Aronia melanocarpa berries are a rich source of anthocyanins and its pomace, a by-product of juice processing, could be efficiently used for extraction of natural colours for the food industry. This study evaluated the influence blanching, freezing, maceration temperatures (2°C, 50°C) and enzyme treatments before juice pressing on the yield and anthocyanin composition of both juice and pomace. Total anthocyanin levels in pomace were affected mostly by enzyme treatment followed by maceration temperature. The pre-heating of the mash prior to processing increased juice yield and retention of anthocyanins in the pomace...
February 15, 2017: Food Chemistry
Preetam Sarkar, Arun K Bhunia, Yuan Yao
The use of antimicrobial compounds to prevent foodborne pathogens from contaminating fresh-cut produce has received broad attentions; however, the applications of these compounds are hindered by their rapid depletion in foods. To prolong their efficacies, the use of delivery systems is essential. In this study, oil-in-water emulsions formed using starch octenyl succinate (starch-OS) were used to stabilize nisin and thymol in cantaloupe juice-containing fluid. Listeria monocytogenes V7 and Salmonella enterica serovar Typhimurium were used as model pathogens to evaluate the antimicrobial activities of nisin and thymol formulations in cantaloupe juice...
February 15, 2017: Food Chemistry
Jennifer Di Noia, Dorothy Monica, Heewon Lee Gray, Karen Weber Cullen
BACKGROUND: The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Fresh Start (WFS) is a randomized controlled trial of nutrition education to promote farmers' market fruit and vegetable (F/V) purchases and consumption among women enrolled in WIC. OBJECTIVES: To describe the baseline characteristics (demographics and F/V intake [including F/V juice]) of WFS participants, compare the characteristics with those of WIC participants in New Jersey and nationwide, and examine the baseline reliability of study measures...
September 20, 2016: Journal of the Academy of Nutrition and Dietetics
Dina M H El Akkad, Naglaa Saad M El-Gebaly, Hebat-Allah Salah A Yousof, Mousa A M Ismail
Head lice, Pediculus humanus capitis, infestation is an important public health problem in Egypt. Inadequate application of topical pediculicides and the increasing resistance to the commonly used pediculicides made the urgent need for the development of new agents able to induce irreversible changes in the exposed lice leading to their mortality. The aim of the present work is to evaluate pediculicidal efficacy of some natural products such as olive oil, tea tree oil, lemon juice, and ivermectin separately in comparison with tetramethrin-piperonyl butoxide (licid), as a standard pediculicide commonly used in Egypt...
August 2016: Korean Journal of Parasitology
Erica C Larson, Christopher D Pond, Prem P Rai, Teatulohi K Matainaho, Pius Piskaut, Michael R Franklin, Louis R Barrows
The hypothesis underlying this current work is that fresh juice expressed from Papua New Guinea (PNG) medicinal plants (succus) will inhibit human Cytochrome P450s (CYPs). The CYP inhibitory activity identified in fresh material was compared with inhibition in methanol extracts of dried material. Succus is the most common method of traditional medicine (TM) preparation for consumption in PNG. There is increasing concern that TMs might antagonize or complicate drug therapy. We have previously shown that methanol extracts of commonly consumed PNG medicinal plants are able to induce and/or inhibit human CYPs in vitro...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
Yoko Iijima, Yumi Iwasaki, Yuji Otagiri, Hiroshi Tsugawa, Tsuneo Sato, Hiroe Otomo, Yukio Sekine, Akio Obata
Various commercial tomato juices with different flavors are available at markets worldwide. To clarify the marker compounds related to the flavor characteristics of tomato juice, we analyzed 15 pure commercial tomato juices by a combination of volatile profiling and sensory evaluation. The correlations among volatiles and the relationship between volatiles and sensory descriptors were elucidated by multivariate analyses. Consequently, the tomato juices made from fresh market tomatoes (including the popular Japanese tomato variety "Momotaro") were clearly separated from other juices made from processing tomatoes, by both the volatile composition and sensory profiles...
December 2016: Bioscience, Biotechnology, and Biochemistry
R R Sharma, O P Awasthi, Kuldeep Kumar
'Kinnow' is a hybrid mandarin, developed at California (USA) but could not become successful there. However, it revolutionized citrus industry in India, Pakistan and Bangladesh. Recent reports indicate that like other citrus fruits, it also suffers from juice-sac granulation but exact cause of this malady is not known. Fully-mature 'Kinnow' fruits were harvested and observations on some physical and biochemical attributes were recorded and their relationship was established with occurrence of granulation. About 12...
March 2016: Journal of Food Science and Technology
Refat Abdel-Hamid, Emad F Newair
A simple and sensitive poly(gallic acid)/multiwalled carbon nanotube modified glassy carbon electrode (PGA/MWCNT/GCE) electrochemical sensor was prepared for direct determination of the total phenolic content (TPC) as gallic acid equivalent. The GCE working electrode was electrochemically modified and characterized using scanning electron microscope (SEM), cyclic voltammetry (CV), chronoamperometry and chronocoulometry. It was found that gallic acid (GA) exhibits a superior electrochemical response on the PGA/MWCNT/GCE sensor in comparison with bare GCE...
2016: Beilstein Journal of Nanotechnology
Xiaoni Fang, Kun Zhang, Pengyuan Yang, Liang Qiao, Baohong Liu
RATIONALE: Because the ratio of tripeptide glutathione (GSH) to glutathione disulphide (GSSG) is tightly associated with the oxidative stress and antioxidant level of an organism, it is often considered to be an indicator of the redox states of cells. Therefore, developing an integrated protocol for rapid, efficient, and low-cost detection of GSH to measure antioxidant ability is of significant importance for the diagnosis of oxidative stress-associated diseases. METHODS: TiO2 -Au/graphene nanocomposites were synthesized to integrate the characteristics of graphene as matrix for MALDI-MS, gold NPs as selective probes for GSH and the photocatalytic property of TiO2 ...
August 2016: Rapid Communications in Mass Spectrometry: RCM
Luana Silva Monteiro, Thaís Meirelles de Vasconcelos, Gloria Valéria da Veiga, Rosângela Alves Pereira
OBJECTIVE: To evaluate the changes in beverage consumption among adolescents between 2003 and 2008. METHODS: Two school-based cross-sectional studies were carried out with public school students (12 to 19 years-old) from Niterói, Rio de Janeiro, Brazil. Data from three food records were used to estimate daily, weekdays and weekend average consumption (volume and percent contribution for total daily energy intake) of milk and milk-based beverages, sugar sweetened beverages, fresh squeezed fruit juices, caffeinated and alcoholic beverages...
April 2016: Revista Brasileira de Epidemiologia, Brazilian Journal of Epidemiology
Thitiporn Thaptimthong, Thitima Kasemsuk, Nathawut Sibmooh, Supeenun Unchern
BACKGROUND: The purpose of this study is to investigate cardiovascular benefits of juices obtained from two commonly consumed fruits in Thailand, Pachyrhizus erosus, L. (yam bean) and Psidium guajava, L. (guava), by examining their acute cardiovascular effects in healthy volunteers. Possible involvements of the dietary nitrate on their effects were investigated as well. METHOD: Thirty healthy volunteers were randomly divided into three groups of 10 subjects per group and each group was allocated to drink 500 ml of freshly prepared yam bean root juice, guava fruit juice, or water...
2016: BMC Complementary and Alternative Medicine
Julian K Aschoff, Ken M Riedl, Jessica L Cooperstone, Josef Högel, Anja Bosy-Westphal, Steven J Schwartz, Reinhold Carle, Ralf M Schweiggert
SCOPE: Orange juice contains flavanones including hesperidin and narirutin, albeit at lower concentrations as compared to orange fruit. Therefore, we compared bioavailability and colonic catabolism of flavanones from orange juice to a 2.4-fold higher dose from fresh oranges. METHODS AND RESULTS: Following a randomized two-way cross-over design, 12 healthy subjects consumed a test meal comprising either fresh oranges or pasteurized orange juice, delivering 1774 and 751 μmol of total Citrus flavanones, respectively...
August 4, 2016: Molecular Nutrition & Food Research
Rong-Gang Cong, Mette Termansen
Traditional pig production often relies on cereal-based feed, which has adverse environmental effects, e.g. nitrogen leaching and greenhouse gas (GHG) emissions. Alternative production systems are therefore sought to improve the sustainability of pig production. A promising alternative is to use proteinaceous feed from grass, produced in a green bio-refinery (GBR), to substitute part of the cereals in the feed. Cultivation of grass on arable land can reduce nitrogen leaching and pesticide application, and increase carbon storage...
November 15, 2016: Science of the Total Environment
Rajeev Bhat
Impact of ultraviolet (UV-C) radiation treatments (0, 15, 30 and 60min) on freshly extracted tomato juice quality (physicochemical properties, antioxidant activity and microbial load) was evaluated. On exposure to UV-C, level of water activity, total soluble solids, and titratable acidity exhibited non-significant increase up to 30min of exposure time. Regarding colour analysis, L∗ value significantly increased with subsequent decrease in a∗ and b∗ values post UV-C treatments. Clarity, DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging activity and total phenolics content significantly increased, whereas ascorbic acid level significantly reduced at 60min of UV-C exposure time...
December 15, 2016: Food Chemistry
C Shah, N Mokashe, V Mishra
The present study, evaluates the antioxidative potential of two synbiotic dairy products viz. synbiotic lassi with honey and whey based synbiotic drink with inulin and orange juice, along with their physicochemical and microbiological activity during storage period. Antioxidative potential of raw ingredients and probiotic cultures used to prepare synbiotic products was also evaluated. Synbiotic lassi with honey was prepared using Streptococcus thermophilus MTCC 5460 (MD2) and Lactobacillus helveticus MTCC 5463 (V3) as probiotics and honey as prebiotic...
April 2016: Journal of Food Science and Technology
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