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Plant Foods for Human Nutrition

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https://www.readbyqxmd.com/read/29455277/guava-psidium-guajava-l-cv-red-suprema-crude-extract-protect-human-dermal-fibroblasts-against-cytotoxic-damage-mediated-by-oxidative-stress
#1
José M Alvarez-Suarez, Francesca Giampieri, Massimiliano Gasparrini, Luca Mazzoni, Tamara Y Forbes-Hernández, Sadia Afrin, Maurizio Battino
We analyzed guava fruits (Psidium guajava L. cv. Red Suprema) from Cuba to determine their chemical composition, total antioxidant capacity, as well as their protective effect against oxidative damage using an in vitro model of human dermal fibroblasts. The guava fruit is a natural source of bioactive compounds, such as polyphenols, vitamin C, folates and beta carotenes with proven health benefits. Human dermal fibroblasts were pre-incubated with different concentrations of guava crude extract and then subjected to oxidative stress using the AAPH stressor...
February 17, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29442263/effect-of-drying-on-the-phenolic-content-and-antioxidant-activity-of-red-grape-pomace
#2
Yolanda Carmona-Jiménez, M Valme García-Moreno, Carmelo García-Barroso
Winemaking by-products are considered to be a rich source of bioactive compounds. Grape pomace is susceptible to microbial degradation due to the degree of residual moisture, so the drying of this pomace for conservation is considered to be an essential first step. Previous studies concerning the way in which drying affects winery by-products have produced contradictory results. In this study, a new methodology for drying grape pomace in a climatic chamber has been evaluated. Five red grape pomace varieties were dried in a climatic chamber at 40 °C and 10% relative humidity and the phenolic content and antioxidant activity of the dried and wet pomace samples were compared...
February 13, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29442262/nutrients-antioxidant-capacity-and-safety-of-hot-water-extract-from-sugar-maple-acer-saccharum-m-and-red-maple-acer-rubrum-l-bark
#3
Sagar Bhatta, Cristina Ratti, Patrice E Poubelle, Tatjana Stevanovic
Sugar maple (Acer saccharum M.) and red maple (Acer rubrum L.) barks were treated with hot water to extract nutrients in order to explore, for the first time, its potential as safe dietary antioxidants. The organic and inorganic nutrients of these extracts, as well as their safety on human PLB-985 cells differentiated into neutrophils-like cells, were determined. Proximate analysis showed that both bark extracts were low in moisture and fat. Sugar maple bark extract (SM-BX) showed crude protein and ash content higher than those found in red maple bark extract (RM-BX)...
February 13, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29435700/the-content-of-dietary-fibre-and-polyphenols-in-morphological-parts-of-buckwheat-fagopyrum-tataricum
#4
Krzysztof Dziedzic, Danuta Górecka, Artur Szwengiel, Hanna Sulewska, Ivan Kreft, Elżbieta Gujska, Jarosław Walkowiak
In this report, we presented the profile of polyphenolic substances in flowers, leaves, stalk and roots of Fagopyrum tataricum estimated by using RP-UHPLC-ESI-MS equipment (reversed-phase ultra-high-performance liquid chromatography electrospray ionisation mass spectrometry). The neutral detergent fibre, acid detergent fibre, acid detergent lignin, cellulose and hemicellulose were also determined. Flowers, leaves, stalk and roots showed varying levels of dietary fibre and polyphenols. The highest content of neutral and acid detergent fibre were found in the roots (63...
February 12, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29429075/dietary-supplementation-of-almond-prevents-oxidative-stress-by-advocating-antioxidants-and-attenuates-impaired-aversive-memory-in-male-rats
#5
Zehra Batool, Saiqa Tabassum, Rafat Ali Siddiqui, Saida Haider
Scopolamine, an anti-muscarinic agent, has been shown to induce amnesia and oxidative stress similar to that observed in the older age. The present study was designed to determine the relationship between the oxidative status and memory improvement in scopolamine injected rats pre-administered with almonds. Rats (n = 8) in the almond group were administered orally with 400 mg/kg almond suspension for 28 days daily before the intraperitoneal injection of scopolamine (0.5 mg/kg). Passive avoidance task (PAT) was used to assess memory function at the end of treatment...
February 10, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29417384/effects-of-agave-fructans-agave-tequilana-weber-var-azul-on-body-fat-and-serum-lipids-in-obesity
#6
Eduardo Padilla-Camberos, Carla P Barragán-Álvarez, Nestor E Diaz-Martinez, Vineet Rathod, José Miguel Flores-Fernández
Obesity affects millions of people worldwide, constituting a public health problem associated with premature mortality. Agave fructans decrease fat mass, body and liver weight, and generate satiety in rodents. In the present study the effects of agave fructans on weight control, lipid profile, and physical tolerability were evaluated in obese people. Twenty-eight obese volunteers were randomly divided into two groups. In the first group, 96 mg/bw of agave fructans was administered for 12 weeks; in the second group, maltodextrin as a placebo was administered for 12 weeks...
February 7, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29392475/inclusion-of-whole-flour-from-latin-american-crops-into-bread-formulations-as-substitute-of-wheat-delays-glucose-release-and-uptake
#7
José Moisés Laparra, Monika Haros
Bakery formulations limiting glucose availability for uptake without compromising product quality are required. Herein, bread formulations containing whole flour from Amaranthus hypochondriacus (AB), Chenopodium quinoa (QB), Salvia hispanica L (ChB) or wheat (WWB) were compared to white bread (WB) for glycaemic index (GI) in fasted animals. The hepatic expression (mRNA) of PPAR-γ receptor as key regulator in substrate fractionation towards energy expenditure was monitored. GIs were associated to fluxes of glucose release (FGluc) and metabolic response (MTT assay) of HepG2 cells...
February 1, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29388158/effects-of-blackcurrant-and-dietary-fibers-on-large-intestinal-health-biomarkers-in-rats
#8
Gunaranjan Paturi, Christine A Butts, John A Monro, Duncan Hedderley
This study examined the effects of anthocyanin-rich blackcurrant extract and dietary fibers individually and their combinations on biomarkers of large intestinal health in rats. After six weeks of feeding, rats fed diets with blackcurrant gained significantly less body weight and reduced their food intake resulting in a lower food efficiency compared with those rats fed control diets. Combining dietary fiber (apple or broccoli) with blackcurrant in the diet was more effective in reducing the body weight gain and food intake...
January 31, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29335878/antioxidant-compounds-recovery-from-ju%C3%A3-ara-residue-by-thermal-assisted-extraction
#9
Leilson O Ribeiro, Ricardo N C Pereira, Renata V Tonon, Lourdes Maria C Cabral, Manuela Cristina P A Santiago, António A Vicente, José António C Teixeira, Virgínia M Matta, Suely P Freitas
This study aimed to recover bioactive compounds by solid-liquid extraction from the agro-industrial residue obtained during juçara fruits processing into pulp. A preliminary study using different solvents (methanol, ethanol and water) indicated ethanol in aqueous solution as the best solvent for antioxidants recovery. Then, a Box-Behnken design was applied considering as independent variables the solvent composition (30-70% ethanol in water), temperature (30-70 °C) and time (30-60 min), in order to evaluate the effects of these factors on antioxidant activity in juçara extract...
January 15, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29235078/the-nutritional-and-phytochemical-composition-of-the-indigenous-australian-pindan-walnut-terminalia-cunninghamii-kernels
#10
Liezhou Zhong, Janet F Bornman, Gangcheng Wu, Aline Hornoff, Koya Ange Pamela Dovi, Hayder Al-Ali, Naveed Aslam, Stuart K Johnson
Nutritional composition of the kernels of two types of Pindan walnut (Terminalia cunninghamii), a native nut consumed traditionally by Australian Indigenous peoples, is reported for the first time. Results showed that Pindan walnut kernels contained high levels of fat, protein and ash, approximately 50, 30 and 5% fresh basis, respectively. The levels of minerals in the kernels were much higher than common walnuts and macadamia nuts, especially those of phosphorus, magnesium and zinc. The high amounts of polyphenols in the kernels provided strong hydrophilic antioxidant capacities, of up to 2004 mg Trolox equivalents/100 g fresh basis using the hydrophilic oxygen radical absorbance capacity assay...
December 12, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29230708/changes-in-gut-microbiota-linked-to-a-reduction-in-systolic-blood-pressure-in-spontaneously-hypertensive-rats-fed-an-extra-virgin-olive-oil-enriched-diet
#11
Marina Hidalgo, Isabel Prieto, Hikmate Abriouel, Ana Belén Villarejo, Manuel Ramírez-Sánchez, Antonio Cobo, Nabil Benomar, Antonio Gálvez, Magdalena Martínez-Cañamero
Fat type in diet is responsible for specific changes in gut microbiota (GM). Extra virgin olive oil (EVOO) has been shown to be beneficial for blood pressure and to produce effects on GM. To analyze the cause-effect relationship between intestinal microbial changes and blood pressure, we studied the effect of EVOO on fecal microbiota and systolic blood pressure (SBP) levels in spontaneously hypertensive rats (SHR). SHR were fed either an enriched EVOO diet or a standard diet for a period of 12 weeks. At the end of the experimental period, the microbial profiles in the feces were studied in both groups by using PCR-denaturing gradient gel electrophoresis...
December 11, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29188413/bioaccessibility-of-phenolic-compounds-and-antioxidant-capacity-of-chia-salvia-hispanica-l-seeds
#12
Marika Pellegrini, Raquel Lucas-Gonzalez, Estrella Sayas-Barberá, Juana Fernández-López, José A Pérez-Álvarez, Manuel Viuda-Martos
The aim of this work was to evaluate (i) the phenol and flavonoid recovery and bioaccessibility indexes and (ii) the antioxidant activity of both types of non-defatted and defatted chia seeds during the in vitro gastrointestinal digestion. The ground samples were subjected to in vitro simulated gastrointestinal digestion, and the resultant fractions were extracted and subjected to spectrophotometric assays. The results pointed to increasing concentrations of polyphenolic compounds during digestion, although only a low-medium percentage of phenols and a low percentage of flavonoids were available for absorption in the intestinal tract...
November 29, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29098639/tef-the-rising-ancient-cereal-what-do-we-know-about-its-nutritional-and-health-benefits
#13
Habtu Shumoy, Katleen Raes
This review covers the nutritional significance of tef cereal as compared to other common cereals with emphasis on carbohydrate content and starch digestibility, protein content, iron and zinc bioavailability and antioxidant potentials. Tef is a gluten free cereal and contains the highest iron and calcium among other cereals. It has high micro- and macro- nutritional profile and is becoming globally popular in the healthy grain food chain. Tef starch has a high gelatinization temperature, an essential precondition in the preparation of low glycemic index foods...
December 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29079969/coconut-products-improve-signs-of-diet-induced-metabolic-syndrome-in-rats
#14
Sunil K Panchal, Sharyn Carnahan, Lindsay Brown
Increasing prevalence of obesity and metabolic syndrome warrants identification of potential therapeutic options for intervention. This study tested commercially available Virgin Coconut Oil and Coconut Nourish, as coconuts are rich sources of lauric and myristic acids. Male Wistar rats were fed either corn starch diet (C); high-carbohydrate, high-fat diet (H); high-carbohydrate, high-virgin coconut oil diet (HV); or high-carbohydrate, high-coconut Nourish diet (HN) for 16 weeks. Metabolic, liver, and cardiovascular health parameters were measured during and at the end of the study...
December 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29177992/effect-of-acrocomia-aculeata-kernel-oil-on-adiposity-in-type-2-diabetic-rats
#15
Ângela A Nunes, Danieli F Buccini, Jeandre A S Jaques, Luciane C Portugal, Rita C A Guimarães, Simone P Favaro, Ruy A Caldas, Cristiano M E Carvalho
The macauba palm (Acrocomia aculeata) is native of tropical America and is found mostly in the Cerrados and Pantanal biomes. The fruits provide an oily pulp, rich in long chain fatty acids, and a kernel that encompass more than 50% of lipids rich in medium chain fatty acids (MCFA). Based on biochemical and nutritional evidences MCFA is readily catabolized and can reduce body fat accumulation. In this study, an animal model was employed to evaluate the effect of Acrocomia aculeata kernel oil (AKO) on the blood glucose level and the fatty acid deposit in the epididymal adipose tissue...
November 25, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29134464/phytochemical-properties-and-antioxidant-activities-of-extracts-from-wild-blueberries-and-lingonberries
#16
Paulina Dróżdż, Vaida Šėžienė, Krystyna Pyrzynska
Among Vaccinium species, blueberries (Vaccinium myrtillus L.) and lingonberries (Vaccinium vitis-idaea) are popular in the human diet. In this study, total phenolic, total flavonoid and total monomeric anthocyanin contents in the ethanol-water extracts of blueberry and lingonberry fruits grown wild in the forests in the central region of Poland were assayed. Antioxidant activities of the extracts from each plant were also evaluated for scavenging ability on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals and reducing power by cupric reducing antioxidant capacity (CUPRAC) method...
November 14, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29134463/stir-frying-of-chinese-cabbage-and-pakchoi-retains-health-promoting-glucosinolates
#17
Probo Y Nugrahedi, Teresa Oliviero, Jenneke K Heising, Matthijs Dekker, Ruud Verkerk
Stir-frying is a cooking method, originating from Asia, in which food is fried in small amount of very hot oil. Nowadays in many other parts of the world stir-frying is a very popular method to prepare vegetables, because it is fast and fried vegetables are tasty. However, the retention of phytochemicals like the health-beneficial glucosinolates in Brassica vegetables is less explored for stir-frying in comparison to other cooking methods. This study investigates the retention of glucosinolates in Chinese cabbage (Brassica rapa ssp...
November 13, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29129015/melanoma-inhibition-by-anthocyanins-is-associated-with-the-reduction-of-oxidative-stress-biomarkers-and-changes-in-mitochondrial-membrane-potential
#18
Zoriţa Diaconeasa, Huseyin Ayvaz, Dumitriţa Ruginǎ, Loredana Leopold, Andreea Stǎnilǎ, Carmen Socaciu, Flaviu Tăbăran, Lavinia Luput, Diana Carla Mada, Adela Pintea, Andrew Jefferson
Anthocyanins are water soluble pigments which have been proved to exhibit health benefits. Several studies have investigated their effects on several types of cancer, but little attention has been given to melanoma. The phytochemical content of nine different berry samples was assessed by liquid chromatography followed by electrospray ionization mass spectrometry (LC-ESI(+)-MS). Twenty-six anthocyanins were identified, after a previous C18 Sep-pak clean-up procedure. Chokeberry and red grape anthocyanins rich extracts (C-ARE and RG-ARE) were selected to be tested on normal and melanoma cell lines, due to their different chemical pattern...
November 11, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29098641/blue-corn-tortillas-effects-on-learning-and-spatial-memory-in-rats
#19
L O Aguirre López, J L Chávez Servia, C C Gómez Rodiles, J R Beltrán Ramírez, J Bañuelos Pineda
Consumption of pigmented corn has been associated with health benefits due to its flavonoid contents (mainly anthocyanins) and antioxidant ability. Therefore, the objective of this study was to determine the effect of blue corn tortilla (BM) consumption on memory and learning ability adult rats. Eighteen adult female rats were divided into three groups and fed for 38 consecutive days with commercial food (Control group) or the commercial food plus 6 g/day of either blue corn (BM) or white corn (WM) tortillas...
November 2, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29098640/effect-of-genotype-on-the-sprouting-of-pomegranate-punica-granatum-l-seeds-as-a-source-of-phenolic-compounds-from-juice-industry-by-products
#20
Beatrice Falcinelli, Ombretta Marconi, Stefano Maranghi, Stanley Lutts, Adolfo Rosati, Franco Famiani, Paolo Benincasa
Pomegranate (Punica granatum L.) fruits are used mainly by the juice industry, for which seeds are a by-product to be disposed of, though they could potentially be a source of bioactive compounds. In this work, germination (total germination percentage, G; mean germination time, MGT; time to reach 80% of germination, TG80; seedling shoot length, fresh weight and dry matter), and nutritional value (total phenolics, TP; total flavonoids, TF; total non-tannins, TNT; antioxidant activities) of pomegranate seeds and sprouts were determined on four commercial pomegranate cultivars (Akko, Dente di Cavallo, Mollar de Elche and Wonderful)...
November 2, 2017: Plant Foods for Human Nutrition
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