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Functional properties of lactic acid bacteria in fermented fruit and vegetable juices: a systematic literature review
The development of non-dairy fermented juices based on fruits and vegetables is favoured by multiple factors, such as greater consumer awareness of health-related properties of fermented foods, a growing number of lactose intolerance cases, and an increasing popularity of food trends like veganism. Therefore, the scientific community’s interest in the design of lactic acid fermented juices and determining their functional features has increased over the past 10 years. The aim of this study was to review the latest reports concerning the influence of lactic acid bacteria on fermented fruit and vegetable juices, using the SALSA (search, appraisal, synthesis, analysis) systematic literature review framework. This approach allowed for gathering 42 most essential publications, which have undergone detailed analysis. Most studies focused on the functional properties of fruit juices (e.g. cashew apple or pomegranate juice), while vegetable (e.g. tomato or carrot juice) and mixed juices (e.g. apple–carrot juice) were studied in a lesser extent. Recent studies indicate a great commercialization potential of non-dairy fermented juices due to their adequate probiotic delivery; strong antimicrobial and antioxidant properties; high content of vitamins, total phenols, amino acids, exopolysaccharides; unique sensory characteristics as well as their anticancer, antidiabetic, and anti-inflammatory activities. All these advantages are strictly associated with the use of particular bacterial strain (mostly strains of L. plantarum) and plant matrices.
Journal Article
Juicing & smoothies for dummies
Learn how to get the recommended daily amount of fruits and vegetables-- in a glass! Crocker shows you simple ways to incorporate them into juices and smoothies that will help you lose weight, detoxify, and feeling your best in no time.
Book
Rapid Screening of 350 Pesticide Residues in Vegetable and Fruit Juices by Multi-Plug Filtration Cleanup Method Combined with Gas Chromatography-Electrostatic Field Orbitrap High Resolution Mass Spectrometry
A new method for screening pesticide residues in vegetable and fruit juices by the multi-plug filtration cleanup (m-PFC) method combined with gas chromatography-electrostatic field orbitrap high resolution mass spectrometry(GC-Orbitrap/MS) was developed. The samples were extracted with acetonitrile, purified with m-PFC and determined by GC-Orbitrap/MS. Qualitative analysis was confirmed by retention time, accurate molecular mass and quantitative analysis were performed with the matrix standard calibration. It could eliminate matrix interference effectively. Eight kinds of typical samples (orange juice, apple juice, grape juice, strawberry juice, celery juice, carrot juice, cucumber juice, tomato juice) were evaluated. The linear ranges of the 350 pesticides were from 5 to 500 μg/kg, with good correlation coefficients greater than 0.990. The limits of detection (LODs) were 0.3–3.0 μg/kg and the limits of quantification (LOQs) were 1.0–10.0 μg/kg. The average recoveries at three spiked levels of 10, 100, 200 μg/kg were in the range of 72.8–122.4%, with relative standard deviations (RSDs) of 2.0–10.8%. The method has effectively improved the determination efficiency of pesticide residue screening by high-resolution mass spectrometry in vegetable and fruit juices.
Journal Article
The rainbow juice cleanse : lose weight, boost energy, and supercharge your health
Offers a detox and weight-loss program using fruit and vegetable juices from every color of the rainbow, including rhubarb gingerade, minty pepper orange juice, and purple sea asparagus.
Book
The effects of flavanone-rich citrus juice on cognitive function and cerebral blood flow: an acute, randomised, placebo-controlled cross-over trial in healthy, young adults
A plausible mechanism underlying flavonoid-associated cognitive effects is increased cerebral blood flow (CBF). However, behavioural and CBF effects following flavanone-rich juice consumption have not been explored. The aim of this study was to investigate whether consumption of flavanone-rich juice is associated with acute cognitive benefits and increased regional CBF in healthy, young adults. An acute, single-blind, randomised, cross-over design was applied with two 500-ml drink conditions – high-flavanone (HF; 70·5 mg) drink and an energy-, and vitamin C- matched, zero-flavanone control. A total of twenty-four healthy young adults aged 18–30 years underwent cognitive testing at baseline and 2-h after drink consumption. A further sixteen, healthy, young adults were recruited for functional MRI assessment, whereby CBF was measured with arterial spin labelling during conscious resting state at baseline as well as 2 and 5 h after drink consumption. The HF drink was associated with significantly increased regional perfusion in the inferior and middle right frontal gyrus at 2 h relative to baseline and the control drink. In addition, the HF drink was associated with significantly improved performance on the Digit Symbol Substitution Test at 2 h relative to baseline and the control drink, but no effects were observed on any other behavioural cognitive tests. These results demonstrate that consumption of flavanone-rich citrus juice in quantities commonly consumed can acutely enhance blood flow to the brain in healthy, young adults. However, further studies are required to establish a direct causal link between increased CBF and enhanced behavioural outcomes following citrus juice ingestion.
Journal Article
Effect of the flavonoid hesperidin on glucose and fructose transport, sucrase activity and glycaemic response to orange juice in a crossover trial on healthy volunteers
Although polyphenols inhibit glucose absorption and transport in vitro, it is uncertain whether this activity is sufficient to attenuate glycaemic response in vivo. We examined this using orange juice, which contains high levels of hesperidin. We first used a combination of in vitro assays to evaluate the potential effect of hesperidin and other orange juice components on intestinal sugar absorption and then tested whether this translated to an effect in healthy volunteers. Hesperidin attenuated transfer of 14C-labelled glucose across differentiated Caco-2/TC7 cell monolayers. The involvement of the sugar transporter GLUT2 was demonstrated by experiments carried out in the absence of Na to exclude the contribution of sodium-glucose linked transporter 1 and further explored by the use of Xenopus laevis oocytes expressing human GLUT2 or GLUT5. Fructose transport was also affected by hesperidin partly by inhibition of GLUT5, while hesperidin, even at high concentration, did not inhibit rat intestinal sucrase activity. We conducted three separate crossover interventions, each on ten healthy volunteers using orange juice with different amounts of added hesperidin and water. The biggest difference in postprandial blood glucose between orange juice and control, containing equivalent amounts of glucose, fructose, sucrose, citric acid and ascorbate, was when the juice was diluted (ΔC
max=–0·5 mm, P=0·0146). The effect was less pronounced when the juice was given at regular strength. Our data indicate that hesperidin can modulate postprandial glycaemic response of orange juice by partial inhibition of intestinal GLUT, but this depends on sugar and hesperidin concentrations.
Journal Article
Healing tonics : next-level juices, smoothies, and elixirs for health and wellness
\"Be your own kitchen doctor! Adriana Ayales grew up near the rainforest, where her grandmother set her on the path to herbal healing. Now she runs one of Brooklyns most popular juice bars--and she's also deeply knowledgeable about the rainforest's fruits, botanicals, and other exotic ingredients. With this guide she passes on her knowledge of ethnobotanical customs, soul cleansing, and therapeutic cooking. Ayales explores the role of superfoods and superherbs and presents traditional recipes that embody ancient ways--including medicinal juicing for relaxation and rejuvenation, next-level cleansing, and infusions and teas to nourish body and soul. Enjoy a Cacao & Reishi Energy Elixir, make herbal extracts, learn cold-pressing techniques, and whip up a headache cure. These special, sometimes sacred formulas will help empower your life with vibrant creativity, \"--Amazon.com.
Book
Determination of phthalic acid esters (PAEs) along with probabilistic health risk assessment in fruit juice samples in Tehran, Iran
In the present study, magnetic solid phase extraction (MSPE) method and gas chromatography-mass spectrometry (GC/MS) technique were used to measure 6 PAE in fruit juice samples. The mean of total phthalic acid esters (ƩPAEs) in all samples was 3.55 ± 0.66 µg/L. The mean concentration of DEHP (bis(2-ethylhexyl) phthalate) in samples was 0.82 ± 0.31 µg/L, which was lower than the mentioned United States Environmental Protection Agency (USEPA) standard level in drinking water (6 μg/L for DEHP). The pineapple juice samples (4.44 ± 0.57 µg/L) and mango juice samples (2.77 ± 0. 1 µg/L) had maximum and minimum mean levels of ƩPAEs, respectively. Also, results showed that brand B (3.76 ± 0.87 µg/L) and samples in the time of expiration date (3.64 ± 0.72 µg/L) had the highest PAE levels. The rank order Chronic Daily Intake (95%) values for adults were DEHP (
5.26
E
-
04
) > butylbenzyl phthalates (BBP) (
4.73
E
-
04
) > diethyl phthalate (DEP) (
3.77
E
-
04
) and for children were DEHP (
9.93
E
-
04
) > BBP (9.07E-04) > DEP (
7.01
E
-
04
), which were below the tolerable daily intake (TDI) value. The noncancer risk of PAEs based on the target hazard quotient (THQ) was acceptable (< 1). The results exhibited that the Incremental Lifetime Cancer Risk (ILCR) was below the permissible limit (<
1
E
-
04
). Therefore, the risk of carcinogenicity and noncarcinogenicity of PAEs in juices does not have adverse effects on human health.
Journal Article