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Plant Foods for Human Nutrition

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https://www.readbyqxmd.com/read/28503711/bioactivity-improvement-of-olea-europaea-leaf-extract-biotransformed-by-wickerhamomyces-anomalus-enzymes
#1
Rosa Palmeri, Cristina Restuccia, Julieta Ines Monteleone, Elisa Sperlinga, Laura Siracusa, Mauro Serafini, Alberto Finamore, Giovanni Spagna
Olive leaves represent a quantitatively significant by-product of agroindustry. They are rich in phenols, mainly oleuropein, which can be hydrolyzed into several bioactive compounds, including hydroxytyrosol. In this study, water extract from olive leaves 'Biancolilla' was analyzed for polyphenol profile, DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging activity and protective effect on differentiated Caco-2 cells. The efficacy of two enzymatic treatments in promoting the release of bioactive phenols was investigated: a) enzymatic extract from Wickerhamomyces anomalus, characterized by β-glucosidase and esterase activities; b) commercial β-glucosidase...
May 13, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28466135/optimization-of-the-preparation-conditions-of-yerba-mate-tea-beverage-to-maximize-chlorogenic-acids-extraction
#2
Tayse Ferreira Ferreira da Silveira, Adriana Dillenburg Meinhart, Thaís Cristina Lima de Souza, Elenice Carla Emídio Cunha, Maria Rosa de Moraes, José Teixeira Filho, Helena Teixeira Godoy
The beverage obtained from the yerba mate tea, besides being the most consumed in Brazil, has high concentrations of chlorogenic acids. In this study, a central composite design was employed to establish the best infusion time, temperature and water volume to maximize the extraction of chlorogenic acids 5-caffeoylquinic (5CQ), 3.4-dicaffeoylquinic (3.4 DQ), 3.5-dicaffeoylquinic (3.5 DQ) and 4.5-dicaffeoylquinic (4.5 DQ), from the leaves and stems of yerba mate tea (beverage ready for consumption). Analyses were performed by high-performance liquid chromatography and the optimum conditions were obtained through the use of the desirability function of Derringer and Suich...
May 3, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28466134/effect-of-sea-buckthorn-hippopha%C3%A3-rhamnoides-l-pulp-oil-consumption-on-fatty-acids-and-vitamin-a-and-e-accumulation-in-adipose-tissue-and-liver-of-rats
#3
Sylwester Czaplicki, Dorota Ogrodowska, Ryszard Zadernowski, Iwona Konopka
An in vivo experiment was conducted to determine the effect of sea-buckthorn pulp oil feeding on the fatty acid composition of liver and adipose tissue of Wistar rats and the liver accumulation of retinol, its esters and α-tocopherol. For a period of 28 days, rats were given a modified casein diet (AIN-93) in which sea-buckthorn pulp oil, soybean oil and pork lard were used as sources of fat. Compared to the other fat sources, sea-buckthorn pulp oil was the most abundant in C16 fatty acids, carotenoids (mainly β-carotene) and tocopherols (mainly α-tocopherol)...
May 2, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28447255/phenolic-compounds-volatiles-and-antioxidant-capacity-of-white-myrtle-berry-liqueurs
#4
Gabriele Serreli, Igor Jerković, Katarzyna Angelika Gil, Zvonimir Marijanović, Viviana Pacini, Carlo Ignazio Giovanni Tuberoso
The aim of this research was to evaluate the antioxidant capacity and physical-chemical characteristics of commercial white myrtle berry (Myrtus communis L. var. leucocarpa DC) liqueur (WMBL). The total phenolic (TP) content was measured spectrophotometrically, applying a modified Folin-Ciocalteu's method, and phenolic compounds were identified by high-performance liquid chromatography (HPLC) coupled with electrospray mass spectrometry, and quantified by HPLC coupled with ultraviolet/visible detection. The antioxidant capacities were evaluated by FRAP, CUPRAC, DPPH(•), and ABTS(•+) assays...
April 26, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28421300/functional-teas-from-the-leaves-of-arbutus-unedo-phenolic-content-antioxidant-activity-and-detection-of-efficient-radical-scavengers
#5
Ioannis Erkekoglou, Nikolaos Nenadis, Efrosini Samara, Fani Th Mantzouridou
The phenolic content/composition and antioxidant activity of hot/cold infusion and decoction from the leaves of Arbutus unedo were studied for the first time. 1,1-diphenyl-2-picrylhydrazyl (DPPH(●)), 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) radical cation (ABTS(●+)), crocin-bleaching, copper-reducing, and liposome accelerated oxidation assays were used for the evaluation of the activity in vitro. In vivo, the extracts were examined for their ability to protect S. cerevisiae cells from H2O2 induced oxidative stress...
April 18, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28401378/protective-effect-of-juglans-regia-l-walnut-extract-against-oxidative-dna-damage
#6
Cinzia Calcabrini, Roberta De Bellis, Umberto Mancini, Luigi Cucchiarini, Vilberto Stocchi, Lucia Potenza
Walnuts (Juglans regia L.) are relevant components of the Mediterranean diet providing important macronutrients, micronutrients and other bioactive constituents including unsaturated fatty acids, proteins, fiber, vitamins, minerals, phytosterols and polyphenols. Although the walnut beneficial effects in human health are widely recognized by a lot of epidemiologic studies very little is known regarding its effect on damaged DNA. The aim of the present study was to investigate the effect of Juglans regia L. ethanolic extract from kernel on the induction of DNA strand breaks by thiol/Fe(3+)/O2 mixed function oxidase, tert-butyl hydroperoxide or UVC radiations in acellular and cellular models...
April 11, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28391410/influence-of-the-form-of-administration-of-chlorogenic-acids-on-oxidative-stress-induced-by-high-fat-diet-in-rats
#7
G Budryn, D Zaczyńska, D Żyżelewicz, J Grzelczyk, Z Zduńczyk, J Juśkiewicz
Green coffee is one of health-promoting supplements of the diet, applied in the form of either preparations or enriched food products. Its positive impact is manifested by mitigation of the development of certain tumors, e.g., in the colon and liver, and type 2 diabetes. Many studies proved that chlorogenic acids are the main active substances in green coffee. The bioavailability of these compounds depends among others on their interactions with other components of the diet, mainly proteins. When they are used as food ingredients, their bioavailability is additionally decreased because of the decomposition or interactions with other ingredients during food processing...
April 8, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28357537/influence-of-cooking-conditions-on-carotenoid-content-and-stability-in-porridges-prepared-from-high-carotenoid-maize
#8
Joana Díaz-Gómez, Antonio Javier Ramos, Changfu Zhu, Olga Martín-Belloso, Robert Soliva-Fortuny
Maize is a staple food crop in many developing countries, hence becoming an attractive target for biofortification programs toward populations at risk of micronutrient deficiencies. A South African white endosperm maize inbred line was engineered with a carotenogenic mini-pathway to generate high-carotenoid maize, which accumulates β-carotene, lutein and zeaxanthin. As maize porridge is a traditional meal for poor populations in sub-Saharan African countries, high-carotenoid maize was used as raw material to prepare different maize meals...
March 29, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28353095/selenoamino-acid-enriched-green-pea-as-a-value-added-plant-protein-source-for-humans-and-livestock
#9
Farzaneh Garousi, Éva Domokos-Szabolcsy, Mihály Jánószky, Andrea Balláné Kovács, Szilvia Veres, Áron Soós, Béla Kovács
Selenium deficiency in various degrees affects around 15% of the world's population, contributing to a variety of health problems. In this study, we examined the accumulation and biotransformation of soil applied Se-supplementation (sodium selenite and sodium selenate forms) at different concentrations, along with growth and yield formation of green pea, in a greenhouse experiment. Biotransformation of inorganic Se was evaluated using HPLC-ICP-MS for Se-species separation in the above ground parts of green pea...
March 29, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28303364/effects-of-pomegranate-juice-on-cardiovascular-risk-factors-in-patients-with-metabolic-syndrome-a-double-blinded-randomized-crossover-controlled-trial
#10
Hossein Moazzen, Mohammad Alizadeh
The aim of this study is to investigate the simultaneous effect of pomegranate juice on components of the metabolic syndrome, including high sensitive C-reactive protein (hs-CRP) as an inflammatory index and glycemic and lipid profile indices in patients with metabolic syndrome. In a double- blind 2*2 crossover study, 30 individuals suffering from metabolic syndrome received a daily dose of 500 mL pomegranate juice for a period of one week. After one week of wash out period, they received a placebo for one week...
March 16, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28176161/erratum-to-carotenoids-phenolic-profile-mineral-content-and-antioxidant-properties-in-flesh-and-peel-of-prunus-persica-fruits-during-two-maturation-stages
#11
Samia Dabbou, Samira Maatallah, Antonella Castagna, Monia Guizani, Wala Sghaeir, Hichem Hajlaoui, Annamaria Ranieri
No abstract text is available yet for this article.
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28101823/biological-activities-of-asteraceae-achillea-millefolium-and-calendula-officinalis-and-lamiaceae-melissa-officinalis-and-origanum-majorana-plant-extracts
#12
Mónica R García-Risco, Lamia Mouhid, Lilia Salas-Pérez, Alexis López-Padilla, Susana Santoyo, Laura Jaime, Ana Ramírez de Molina, Guillermo Reglero, Tiziana Fornari
Asteraceae (Achillea millefolium and Calendula officinalis) and Lamiaceae (Melissa officinalis and Origanum majorana) extracts were obtained by applying two sequential extraction processes: supercritical fluid extraction with carbon dioxide, followed by ultrasonic assisted extraction using green solvents (ethanol and ethanol:water 50:50). The extracts were analyzed in terms of the total content of phenolic compounds and the content of flavonoids; the volatile oil composition of supercritical extracts was analyzed by gas chromatography and the antioxidant capacity and cell toxicity was determined...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28093647/evaluation-of-particle-size-influence-on-proximate-composition-physicochemical-techno-functional-and-physio-functional-properties-of-flours-obtained-from-persimmon-diospyros-kaki-trumb-coproducts
#13
Raquel Lucas-González, Manuel Viuda-Martos, José Ángel Pérez-Álvarez, Juana Fernández-López
The aim of the work was to study the influence of particle size in the composition, physicochemical, techno-functional and physio-functional properties of two flours obtained from persimmon (Diospyros kaki Trumb. cvs. 'Rojo Brillante' (RBF) and 'Triump' (THF) coproducts. The cultivar (RBF and THF) and particle size significantly affected all parameters under study, although depending on the evaluated property, only one of these effects predominated. Carbohydrates (38.07-46.98 g/100 g) and total dietary fiber (32...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28091970/comparison-of-two-adsorbent-based-de-bittering-procedures-for-neem-azadirachta-indica-a-juss-tea-effect-on-polyphenols-anti-oxidant-capacity-color-and-volatile-profile
#14
COMPARATIVE STUDY
Abhinandya Datta, Ingolf U Grün, Misha T Kwasniewski, Lakdas N Fernando
Bitterness reduction, especially of foods and beverages containing phytonutrients, is one of the biggest challenges in the food industry because bitterness has a deleterious effect on the taste profile of foods and beverages. Neem (Azadirachta indica A. Juss) is a medicinal tree, indigenous to the Indian-subcontinent, whose medicinal properties have led to it being heralded as the tree which is the "panacea for all diseases". However, neem leaf is extremely bitter, in large part due to its limonoid content, making it unpalatable...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28084608/the-phenolic-contents-and-antioxidant-activities-of-infusions-of-sambucus-nigra-l
#15
Agnieszka Viapiana, Marek Wesolowski
The aim of this work was to evaluate the antioxidant potential of teas prepared from twenty-four commercially available berries and flowers of Sambucus nigra L. in relation to their phenolic profile, as reflected by the most representative phenolic acids (caffeic, chlorogenic, p-coumaric, ferulic, gallic and syringic acids); flavonols (quercetin, kaempferol, myricetin and rutin); and total phenolic (TPC), phenolic acid (TAC) and flavonoid (TFC) contents. The infusions prepared from elderflowers contained more abundant phenolic compounds than the elderberry infusions...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28032246/identification-and-characterization-of-diploid-and-tetraploid-in-platycodon-grandiflorum
#16
Jeoung-Hwa Shin, Yun Gyong Ahn, Ju-Hee Jung, Sun-Hee Woo, Hag-Hyun Kim, Shela Gorinstein, Hee-Ock Boo
Platycodon grandiflorum (PG), a species of herbaceous flowering perennial plant of the family Campanulaceae, has been used as a traditional oriental medicine for bronchitis, asthma, pulmonary tuberculosis, diabetes, hepatic fibrosis, bone disorders and many others similar diseases and as a food supplement. For the primary profiling of PG gas chromatography coupled with high resolution - time of flight mass spectrometry (GC/HR-TOF MS) was used as an analytical tool. A comparison of optimal extraction of metabolites was carried out with a number of solvents [hexane, methylene chloride, methanol, ethanol, methanol: ethanol (70:30, v:v)]...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28000091/physicochemical-parameters-and-antioxidant-activity-of-bee-honey-enriched-with-herbs
#17
Małgorzata Dżugan, Patrycja Sowa, Monika Kwaśniewska, Monika Wesołowska, Maria Czernicka
Three groups of products enriched with herbs were studied: (1) commercial herb honeys (n = 5) produced by bees fed a syrup with an herbal extract, (2) natural herbal honey (n = 3) produced by bees from the nectar of herbs, and (3) creamed multifloral honey with added dried herbs (n = 5). As a control, multifloral honey (n = 5) was used. The physicochemical parameters (i.e., sugar extract, water content, specific rotation, conductivity, hydroxymethylfurfural content, pH and acidity), sugar profiles (HPLC analysis), antioxidant activity and total phenolic compounds content of the studied samples were compared...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/27995378/curcumin-a-compound-from-natural-sources-a-true-scientific-challenge-a-review
#18
REVIEW
Zorka Stanić
Curcumin, a plant-derived polyphenolic compound, naturally present in turmeric (Curcuma longa), has been the subject of intensive investigations on account of its various activities. The implementation of safe, beneficial and highly functional compounds from natural sources in human nutrition/prevention/therapy requires some modifications in order to achieve their multi-functionality, improve their bioavailability and delivery strategies, with the main aim to enhance their effectiveness. The low aqueous solubility of curcumin, its rapid metabolism and elimination from the body, and consequently, poor bioavailability, constitute major obstacles to its application...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/27987069/use-of-banana-musa-acuminata-colla-aaa-peel-extract-as-an-antioxidant-source-in-orange-juices
#19
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...
March 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/27924413/suppression-of-cell-wall-degrading-enzymes-and-their-encoding-genes-in-button-mushrooms-agaricus-bisporus-by-cacl2-and-citric-acid
#20
Zia Ullah Khan, Li Jiayin, Nasir Mehmood Khan, Wangshu Mou, Dongdong Li, Yansheng Wang, Simin Feng, Zisheng Luo, Linchun Mao, Tiejin Ying
Fresh button mushrooms (Agaricus bisporus) were harvested and treated with a solution of 1.5% CaCl2 + 0.5% citric acid and stored for 16 days at 12 °C. The effects of this treatment on firmness, weight, color, cell wall compositions (cellulose and chitin) and cell wall degrading enzymes (cel1ulase, beta-1, 3 glucanase, chitinase and phenylalanine ammonialyase) were investigated during post-harvest storage. The expressions of major genes (Cel1, Glu1, Chi1 and PAL1) involved in cell wall degradation during post-harvest storage were also monitored...
March 2017: Plant Foods for Human Nutrition
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