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Fresh juicing

Zala Zorenc, Robert Veberic, Maja Mikulic-Petkovsek
Bilberries are processed into different food products and beverages. Therefore, we studied how various bilberry items (puree, infusion, liqueur, and fresh and pasteurized juices) differ in secondary metabolites as compared to the fresh fruit. For this purpose, we identified phenolics with a liquid chromatography-mass spectrophotometry (LC-MS) system and compared phenolic profiles and phenolic contents in various bilberry products prepared from the same raw material. Our results show that processing significantly affected the biochemical pattern and levels of phenolics...
June 15, 2018: Journal of Food Science
Laura Gence, Adrien Servent, Patrick Poucheret, Abel Hiol, Claudie Dhuique-Mayer
Citrus pectin is known to influence carotenoid bioaccessibility and absorption in humans, but limited attention has been given to the influence of pectin structure related to the particle size from differentially processed citrus food matrices. In this context, this study aims to investigate the nutritional health benefits of an innovative Citrus clementina concentrate, which is a new citrus-based food made by cross-flow microfiltration. This concentrated citrus-based food was selectively enriched 8-fold in β-cryptoxanthin (43-55 μg g-1) and β-carotene (6-9 μg g-1) as well as 6-fold in pectin (376-462 mg per 100 g)...
June 12, 2018: Food & Function
Tomohiro Narukawa, Takahiro Iwai, Koichi Chiba
The inorganic arsenic (i-As) in grape products, in particular juice, wine and raisins, collected from the Japanese market was investigated. The concentrations of total As in nine grape concentrated juices ranged from 3 to 20 ng g-1 , and more than 80% of the As was inorganic according to the results of speciation by HPLC-ICP-MS. Among them, four samples contained more than 10 ng g-1 of i-As, although 10 ng g-1 of i-As is the limit for apple juice recommended by the U.S. Food and Drug Administration. Moreover, more than 10 ng g-1 of i-As was found in some of the wine and raisin samples, with the total As concentrations ranging from 17 to 37 ng g-1 ...
2018: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
Hongxia Zhang, Zheng Feei Ma, Xiaoqin Luo, Xinli Li
Mulberry ( Morus alba L.) belongs to the Moraceae family and is widely planted in Asia. Mulberry fruits are generally consumed as fresh fruits, jams and juices. They contain considerable amounts of biologically active ingredients that might be associated with some potential pharmacological activities that are beneficial for health. Therefore, they have been traditionally used in traditional medicine. Studies have reported that the presence of bioactive components in mulberry fruits, including alkaloids and flavonoid, are associated with bioactivities such as antioxidant...
May 21, 2018: Antioxidants (Basel, Switzerland)
Dong-Hwan Choe, Kathleen Campbell, Mark S Hoddle, John Kabashima, Monica Dimson, Michael K Rust
Baiting is an effective method to manage Vespula spp. yellowjacket (Hymenoptera: Vespidae) populations without having to locate and treat nests. Here, we assessed the utility of a commercially available polyacrylamide hydrogel as an alternative bait material for yellowjacket baiting. The experimental bait (hereafter referred to as 'hydrogel bait') consisted of diluted chicken juice (from canned chicken meat) and fipronil (0.025%, wt/wt) absorbed into granular polyacrylamide hydrogel particles. Three separate 24-h baiting trials were conducted at two different field sites with the western yellowjacket, Vespula pensylvanica (Saussare), as the target species...
May 30, 2018: Journal of Economic Entomology
Swen Langer, Aileen Kennel, John K Lodge
The consumption of berries has been linked to decreased risk of degenerative disease. Berries are regularly processed into juices. It is largely unknown how the juicing process affects the bioavailability of metabolites. As metabolomics has shown to be a valuable nutritional tool to study global metabolite differences, the aim of this study was to investigate the effect of juicing on the relative appearance of blueberry metabolites in humans using metabolomics. Nine healthy subjects consumed 250 g of fresh blueberries either as the whole fruit or after juicing, and provided blood and urine samples before and 2 h after intake in a cross-over design...
June 2018: British Journal of Nutrition
Stephanie Krauß, Vanessa Darwisch, Walter Vetter
Tocopheryl fatty acid esters (TFAE) consist of tocopherols esterified to fatty acids, but only little is known about this substance class. In this study, twelve vegetable groups were screened on TFAE and contents of (free) tocopherols and TFAE were determined in red bell pepper, red chili pepper, cucumber and walnut (n = 5, respectively). Intact TFAE were separated by solid phase extraction from free tocopherols and analyzed by GC/MS. Highest TFAE values were determined in chili pepper (4.0-16 mg/100 g fresh weight, FW) and walnut (4...
May 16, 2018: Scientific Reports
Haftay Abraha Tadesse, Netsenet Berhe Gidey, Kidane Workelule, Hagos Hailu, Seyfe Gidey, Abrha Bsrat, Habtamu Taddele
Aim: Foodborne illnesses represent a public health problem in developed and developing countries. They cause great suffering and are transmitted directly or indirectly between animals and humans and circulate in the global environment . E. coli are among them, causing a major public health problem. The aim of this study was therefore to study the antimicrobial resistance profile of E. coli from raw cow milk and fruit juice. Materials and Methods: A cross-sectional study was conducted from October 2016 to June 2017 on 258 samples collected from milk shops ( n = 86), dairy farms ( n = 86), and fruit juice ( n = 86) in different subcities of Mekelle...
2018: Veterinary Medicine International
Ali Saad R Alsubaie
Background Healthy dietary behaviors have a significant impact on children's health and development. Diets high in fruit and vegetables demonstrate a strong and consistent pattern for decreasing the risk of and providing benefits against cardiovascular disease, diabetes, obesity and many cancers. Yet, little is known about the pattern of fruit, vegetables and dairy products consumption among children in Saudi Arabia. Objectives The aim of this study was to investigate the consumption of fruit, vegetables and milk products and their dietary correlates among school boys in Saudi Arabia...
May 9, 2018: International Journal of Adolescent Medicine and Health
M Cano-Lamadrid, P Nowicka, F Hernández, A A Carbonell-Barrachina, A Wojdyło
BACKGROUND: As World Health Organization suggested daily intake of fruits and vegetables is lower than the recommended dietary intake (RDI). A good option to increase the intake of fruit and vegetables is the smoothies consumption. This work evaluated the effect of adding fig, jujube, or quince purée to pomegranate juice (cultivars Wonderful and Mollar de Elche) in preparing smoothies at two ratios purée:juice (40:60 and 60:40) on the composition of minerals, sugars, organic acids, vitamin C, antioxidant activity, and polyphenols...
May 8, 2018: Journal of the Science of Food and Agriculture
Ciro Langella, Daniele Naviglio, Marina Marino, Armando Calogero, Monica Gallo
OBJECTIVE: Gastroesophageal reflux disease is very common in industrialized countries and rapidly and significantly increasing even in developing countries. The approach in this study is one not commonly found to date in the scientific literature. To assess the ability of reduced-carbohydrate diets and foods that are enriched with acid potential of hydrogen (pH; lemon and tomato) to quickly and exponentially reduce symptoms that are related to conditions such as gastritis and gastroesophageal reflux and unrelated to Helicobacter pylori...
March 22, 2018: Nutrition
Mathilde Louvigne, Stephanie Rouleau, Emmanuelle Caldagues, Isabelle Souto, Yanis Montcho, Audrey Migraine Bouvagnet, Olivier Baud, Jean Claude Carel, Geraldine Gascoin, Regis Coutant
OBJECTIVE: The objective was to determine whether maternal nutritional factors are associated with transient neonatal hyperinsulinism (HI). DESIGN AND SETTING: Case control study in 4 French tertiary Obstetrics and Neonatology Departments between 2008 and 2015. METHODS: Sixty-seven mothers of neonates diagnosed with transient hyperinsulinism and 113 mothers of controls were included. The screening for hyperinsulinemic hypoglycemia in neonates was performed because of clinical symptoms suggestive of hypoglycemia or in the presence of conventional risk factors (small-for-gestational-age, prematurity, anoxo-ischemia, hypothermia, macrosomia, gestational diabetes)...
2018: PloS One
Meng Chen, Shu-Yi Zhou, Erlinda Fabriaga, Pian-Hong Zhang, Quan Zhou
This review addressed drug interactions precipitated by fruit juices other than grapefruit juice based on randomized controlled trials (RCTs). Literature was identified by searching PubMed, Cochrane Library, Scopus and Web of Science till December 30 2017. Among 46 finally included RCTs, six RCTs simply addressed pharmacodynamic interactions and 33 RCTs studied pharmacokinetic interactions, whereas seven RCTs investigated both pharmacokinetic and pharmacodynamic interactions. Twenty-two juice-drug combinations showed potential clinical relevance...
April 2018: Journal of Food and Drug Analysis
Hyo-Nam Song, So-Ae Ji, Hye-Rim Park, Ho-Hyoen Kim, Christer Hogstrand
The attractive purple color of blueberries ( Vaccinium spp.) is unstable and susceptible to degradation during food processing and storage. The effects of various factors on the color stability of fresh blueberry juice were investigated. Total soluble solid content, pH, and total anthocyanin content were measured. Heating at 30°C and 60°C for 300 min did not influence the color stability, but heating at 100°C drastically decreased it by 33.0%. Sugars decreased color in a concentration-dependent manner. However, glucose and galactose had significantly protective effects on the color disruption than fructose, maltose, and sucrose...
March 2018: Preventive Nutrition and Food Science
Beata Olas
Antioxidants present in the diet may have a significant effect on the prophylaxis and progression of various diseases associated with oxidative stress. Berries contain a range of chemical compounds with antioxidant properties, including phenolic compounds. The aim of this review article is to provide an overview of the current knowledge of such phenolic antioxidants, and to discuss whether these compounds may always be natural gifts for human health, based on both in vitro and in vivo studies. It describes the antioxidant properties of fresh berries (including aronia berries, grapes, blueberries, sea buckthorn berries, strawberries and other berries) and their various products, especially juices and wines...
2018: Frontiers in Pharmacology
Karen A Corleto, Jashbir Singh, G K Jayaprakasha, Bhimanagouda S Patil
Nitrate and polyphenols from the diet may enhance the production and bioavailability of nitric oxide, a radical signaling molecule critical for cardiovascular health. Understanding the stability of these bioactives in beetroot and arugula juices is important for their functions. In this study, the stability of nitrate and phenolics in beetroot and arugula juices was measured for 32 days at different temperatures (25, 4, -20, and -80 °C). The levels of nitrate were measured by reversed-phase HPLC and initial levels were found to be 4965...
May 2018: Journal of Food Science
Elisa Dos Santos Pereira, Juliana Vinholes, Rodrigo C Franzon, Gabriel Dalmazo, Márcia Vizzotto, Leonardo Nora
Psidium cattleianum Sabine, commonly known as araçá, is a Brazilian native fruit, which is very juicy, with sweet to sub acid pulp and a spicy touch. The fruit can be eaten fresh or processed into juice, jellies and ice creams. Araçás are source of vitamin C, minerals, fatty acids, polysaccharides, volatile compounds, carotenoids and phenolic compounds, which can provide nutrients and phytochemical agents with different biological functions. Different pharmacological studies demonstrate that P. cattleianum exerts antioxidant, antidiabetic, anticarcinogenic, antimicrobial, anti-inflammatory and antiaging effects...
August 30, 2018: Food Chemistry
Muhammad Jihad Sandikapura, Shaik Nyamathulla, Mohamed Ibrahim Noordin
The study was aimed to perform aqueous extraction of two plants using different extraction methods, and evaluate their antioxidant and antidiabetic potential. Plant materials were extracted by maceration, soxhlet, sonication and fresh juice methods to produce aqueous extracts. In vitro antioxidant DPPH (1,1-diphenyl-2- picrylhydrazyl) and FRAP (Ferric reducing antioxidant power), antidiabetic α-amylase and α-glucosidase enzyme inhibitory assays were carried out on the extracts. Extracts of Syzygium polyanthum demonstrated better free radical scavenging and antidiabetic activity than Momordica charantia...
March 2018: Pakistan Journal of Pharmaceutical Sciences
Gillian E Swan, Natasha A Powell, Bethany L Knowles, Mark T Bush, Louis B Levy
Public Health England has set a definition for free sugars in the UK in order to estimate intakes of free sugars in the National Diet and Nutrition Survey. This follows the recommendation from the Scientific Advisory Committee on Nutrition in its 2015 report on Carbohydrates and Health that a definition of free sugars should be adopted. The definition of free sugars includes: all added sugars in any form; all sugars naturally present in fruit and vegetable juices, purées and pastes and similar products in which the structure has been broken down; all sugars in drinks (except for dairy-based drinks); and lactose and galactose added as ingredients...
June 2018: Public Health Nutrition
Ye Liu, Congcong He, Huanlu Song
Qualitative and quantitative analysis and odor active value (OAV) calculation were applied to identify the aroma-active compounds of fresh watermelon juice in five varieties: Seedless, Jingxin, Lianfa, Qilin, and Texiaofeng. Principal component analysis and cluster analysis were selected to compare the similarity and difference among watermelons juices. Fifty-five volatiles were identified in watermelon juice in five varieties, among which 6 volatiles were identified for the first time in watermelon. (Z)-6-nonenal, (E, Z)-2,6-nonadienal, (E)-2-nonenal, and (E, E)-2,4-nonadienal contributed greater to aroma profiles than alcohols due to lower threshold through odor active values...
May 2018: Food Research International
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