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Plant Foods for Human Nutrition

Ryusuke Nishio, Hanuna Tamano, Hiroki Morioka, Azusa Takeuchi, Atsushi Takeda
Coriandrum sativum (coriander) is an annual herb of the Apiaceae family and has been used as a traditional remedy. Here we examined whether heated leaf extract of coriander decreases the concentrations of heavy metals in tissues. Male ddY mice were given a drinking water containing 0.25% of heated leaf extract of coriander for 8 weeks. Eight weeks after the intake, the concentrations of zinc, iron, copper, arsenic, and cadmium were measured in the liver and kidney. The intake of coriander did not modify the concentrations of all heavy metals tested in the liver, but decreased the concentrations of iron, arsenic, and cadmium in the kidney...
February 19, 2019: Plant Foods for Human Nutrition
Amy C Ellis, Tanja Dudenbostel, Kristi Crowe-White
Because of accruing oxidative stress with advancing age, older adults may benefit from increased dietary intake of lycopene, a lipophilic carotenoid with potent antioxidant properties. Yet, intake of dietary lycopene as well as circulating lycopene levels are known to decrease with aging. Watermelon is one of the few food sources of dietary lycopene. Because heat treatment increases lycopene bioavailability, ingestion of watermelon in pasteurized juice form may be an optimal delivery vehicle to increase lycopene levels in older adults...
February 12, 2019: Plant Foods for Human Nutrition
Jaime Ballester-Sánchez, Jose Vicente Gil, Claudia Monika Haros, María Teresa Fernández-Espinar
Interest in quinoa as a functional food ingredient is currently emerging. The flours from white, red and black quinoa seeds were analysed in terms of total polyphenol content and antioxidant activity. They were incorporated at 25% on flour basis into the bread dough formula to evaluate their potential to improve the functional properties of wheat breads. The contribution of extractable polyphenols (soluble forms) and the largely unexplored hydrolysable polyphenols (bound forms that can be found in the residues of the former) were taken into account to reflect a realistic health-promoting potential of breads...
February 9, 2019: Plant Foods for Human Nutrition
Christian Denisse Chavarín-Martínez, Roberto Gutiérrez-Dorado, Janitzio Xiomara Korina Perales-Sánchez, Edith Oliva Cuevas-Rodríguez, Jorge Milán-Carrillo, Cuauhtémoc Reyes-Moreno
Germination of grains is a bioprocess of emerging interest to improve nutritional and nutraceutical profile of cereals in a natural way. The aim of this work was to identify optimal germination conditions (temperature/duration) for producing a functional blue maize flour with maximum values of protein content (PC), antioxidant activity (AoxA), and total phenolic and anthocyanin contents (TPC, TAC). A central composite rotatable experimental design (response surface methodology) with two factors [Germination temperature (Gtemp, 20-40 °C) / Germination duration (Gdur, 12-220 h)] in five levels was used (13 treatments)...
February 9, 2019: Plant Foods for Human Nutrition
Kristina Gopčević, Slavica Grujić, Jelena Arsenijević, Ivanka Karadžić, Lidija Izrael-Živković, Zoran Maksimović
Satureja kitaibelii Wierzb. ex Heuff. has a great importance in Serbian ethnopharmacology/herbal traditional medicine, as well as a flavoring food additive. Ethanol extract of aerial parts of Satureja kitaibelii analyzed by liquid chromatography-mass spectrometry revealed the presence of 18 compounds among which the most abundant were phenolic acids, flavonoids, jasmonic acid derivatives and rosmanol. The extracts were rich in total phenolics and flavonoid contents, while rosmarinic acid was the dominant compound (18...
January 26, 2019: Plant Foods for Human Nutrition
Danica Michaličková, Miona Belović, Nebojša Ilić, Jelena Kotur-Stevuljević, Ondřej Slanař, Sladjana Šobajić
There is a growing body of evidence that tomato consumption reduces the risk of cardiovascular disease, through antioxidative, anti-inflammatory and hypotensive effects. We compared the effects of polyphenol-enriched and standard tomato juice on parameters of lipid and oxidative status and blood pressure in subjects with stage 1 hypertension. The experimental group (n = 13) was supplemented with 200 g of tomato fruit juice enriched with 1 g of ethanolic extract of whole tomato fruit, while the control group (n = 13) was consuming 200 g tomato fruit juice...
January 19, 2019: Plant Foods for Human Nutrition
Parisa Abbasi Parizad, Jessica Capraro, Alessio Scarafoni, Francesco Bonomi, Massimo Blandino, Mauro Marengo, Debora Giordano, Aristodemo Carpen, Stefania Iametti
This study was aimed at characterizing the anthocyanins and phenolics profile in different varieties of pigmented corn and wheat and in some of their milling fractions. Acid/ethanol extracts were used to assess total anthocyanins, overall antioxidant activity, the overall polyphenol profile, and for evaluating the inhibition of pancreatic α-amylase and of intestinal α-glucosidase. Both enzymes were inhibited in a dose-dependent manner by all extracts, but individual extracts had specific effects on each enzyme...
January 19, 2019: Plant Foods for Human Nutrition
Paulo Berni, Stephanie S Campoli, Talita C Negri, Nataly M V de Toledo, Solange G Canniatti-Brazaca
Eleven non-conventional tropical fruits were evaluated regarding their nutritional value, antioxidant potential, carotenoid contents and bioaccessibility. The fruits were chosen due to their spread through the Brazilian territory: araçá-boi, jaracatiá, cambuití, seriguela, capeba, pitangatuba, pitanga, buriti, acerola, dovialis and abricó-da-praia. Results have shown that these fruits are in general, i.e. depending on the fruit, rich sources of dietary fibers and minerals, high in moisture, and low in proteins...
January 15, 2019: Plant Foods for Human Nutrition
Michelly Cristiane Paludo, Luciana Fontes de Oliveira, Isidro Hermosín-Gutiérrez, Cristiano Augusto Ballus, Alessandra Braga Ribeiro, Silvia Borges Pimentel de Oliveira, Helena Teixeira Godoy
Jabuticaba has a high concentration of phenolic compounds, which have a significant antioxidant capacity. Methodologies have been developed to evaluate the ability of plant extracts to fight free radicals such as H2 O2 , O2 • -, HOCl, ONOO- and ROO• . Thus, the capacity of deactivation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in peel and seed extracts of five varieties of jabuticaba was evaluated. Sabará peel (SFP) deactivated HOCl with IC50 9.24 μg. mL-1 ; Paulista seed (PF) deactivated O2 • - with IC50 16...
January 15, 2019: Plant Foods for Human Nutrition
Heping Cao, Kandan Sethumadhavan, Ke Li, Stephen M Boue, Richard A Anderson
Cinnamon polyphenol extract (CPE) improves people with insulin resistance. The objective was to investigate CPE and insulin on diacylglycerol acyltransferase (DGAT) gene expression important for lipid biosynthesis and compared it to anti-inflammatory tristetraprolin/zinc finger protein 36 (TTP/ZFP36) gene expression known to be regulated by both agents. Mouse 3T3-L1 adipocytes and RAW264.7 macrophages were treated with insulin and CPE followed by qPCR evaluation of DGAT and TTP mRNA levels. Insulin decreased DGAT1 and DGAT2 mRNA levels in adipocytes but had no effect on DGAT1 and increased DGAT2 mRNA levels 3-fold in macrophages...
January 14, 2019: Plant Foods for Human Nutrition
Peter L Weegels
The growing, ageing, more urbanized and more sedentary global population urges for increased, more nutritious and more secure food supply. To combat undernutrition, adequate nutrient intake is required. Staple foods, especially starch based ones, like (pseudo)cereals, roots and tubers, are by definition contributing for a very large extent to our nutrient intake. It is important therefore that the contribution of ready to consume staple foods to the recommended intakes of nutrients are compared. This can be done in a transparent and simple way by calculating the nutrient contribution of ready to eat staple foods to the recommended daily allowances (RDA) or daily reference intakes (DRI)...
January 12, 2019: Plant Foods for Human Nutrition
Ana Clara Sabbione, Fredrick Onyango Ogutu, Adriana Scilingo, Miao Zhang, María Cristina Añón, Tai-Hua Mu
Antiproliferative effect of Amaranthus mantegazzianus proteins and peptides released after simulated gastrointestinal digestion (DH% 37.8 ± 3.8) was investigated on human colon cancer cell line HT-29. Inhibition of proliferation of HT-29 cells was exhibited after a 24 h treatment with different concentrations of amaranth protein isolate (API) and the peptides released after digestion (DGS), presenting IC50 values of 1.35 ± 0.12 and 0.30 ± 0.07 mg soluble protein/mL, respectively. Lactate dehydrogenase assay indicated that both samples caused the loss of membrane integrity and cell lysis over HT-29 cells, and DAPI fluorescence microscopies evidenced typical apoptotic features...
January 11, 2019: Plant Foods for Human Nutrition
Samira Yazdankhah, Mohammad Hojjati, Mohammad Hossein Azizi
In the present work, pasta enriched in different formulations by black mulberry extract in order to inhibit enzymes related to starch hydrolyzation. Total phenol content (TPC), antioxidant activity and anthocyanin components of ethanol/water black mulberry extract were investigated. TPC of the black mulberry extract was found 65.61 ± 0.07 mg GAE/g. Black mulberry extract could scavenge the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals more effectively than tertiary butylhydroquinone (TBHQ) also vitamin C due to its detected polyphenolic compounds (cyanidin-3-glucoside, cyanidin-3-rutinoside, and cyanidin-3-xyloside)...
January 10, 2019: Plant Foods for Human Nutrition
Raquel Esteban, Javier Buezo, José M Becerril, José I García-Plazaola
The consumption of zeaxanthin (Z) through a vegetable-rich diet is recommended to reduce the progression of age-related macular degeneration. Due to Z's intrinsic dynamic character that results from its participation in the photoprotective xanthophyll cycle involving the carotenoids violaxanthin, antheraxanthin and zeaxanthin (VAZ), post-harvest handling practices and storage usually retain low amounts of this bioactive compound (compared to the rest of phytochemicals that are, in general, more stable). Thus, the aim of this work was to investigate in important consumed leafy vegetables the effects of different storage conditions on carotenoids (mainly Z) including i) packaging under three modified atmospheres (MAs), ii) light refrigerated supermarket storage and iii) dark refrigerated domestic storage...
January 4, 2019: Plant Foods for Human Nutrition
Paweł Górnaś, Jaroslaw Czubinski, Magdalena Rudzińska, Anna Grygier, Qian Ying, Suryakant Chakradhari, Pravin Kumar Sahu, Inga Mišina, Elise Urvaka, Khageshwar Singh Patel
The seeds of nine species belonging to the Fabaceae family (Cassia alata, Cassia uniflora, Cassia obtusifolia, Cassia tora, Crotalaria albida, Crotalaria juncea, Crotalaria pallida, Indigofera tinctoria, and Tephrosia purpurea) were studied. The oil yield ranged from 2.0 to 9.6% dw, in the seeds of I. tinctoria and T. purpurea, respectively. The unsaturated fatty acids (UFA) were the predominant group of fatty acids (41-74%) in the investigated samples. The sum of tocopherol homologues α and γ constituted 90-100% of total tocochromanols identified in each species...
December 14, 2018: Plant Foods for Human Nutrition
Libo He, Shiyan Zhang, Chaomei Luo, Yiran Sun, Qiuxia Lu, Lei Huang, Fang Chen, Lin Tang
Penthorum chinense Pursh (PCP), a medicinal and edible plant, is traditionally used for liver protection and treatment of liver diseases. In this study, we compared the differences of composition and activity of flowers, stems and leaves of PCP to select a bioactive part. The stems of PCP with stronger antioxidant activity (6.25-100 μg/mL) and lower cytotoxicity (25-200 μg/mL) than the flowers and leaves were a better bioactive part. Then the chemical composition and hepatoprotective effects of an aqueous extract and an 70% ethanolic extract made with stems of PCP were investigated...
December 14, 2018: Plant Foods for Human Nutrition
Kalkooru L Venkatraman, Alka Mehta
Porphyra, one of the most cultured red algae has gained economic importance across the globe for its nutritional benefits. Porphyra is being cultivated, harvested, dried, processed and consumed in large quantities in south eastern countries. It contains relatively high amounts of proteins, carbohydrates, and micronutrients. Exploitation of its fundamental attributes led to the discovery of various biologically active compounds like polysaccharides, phycobiliproteins and peptides with effective pharmacological applications...
December 13, 2018: Plant Foods for Human Nutrition
Lee Kee Chua, Chooi Ling Lim, Anna Pick Kiong Ling, Soi Moi Chye, Rhun Yian Koh
Cancer is a preventable and treatable disease, however, the incidence rates are on the rise. Classical treatment modalities for cancer include surgery, radiotherapy and chemotherapy. However, these are associated with detrimental side effects such as nausea and emesis. Therefore, researchers currently vest interest in complementary and alternative medicines for cancer treatment and prevention. Plants such as Syzygium sp. are a common basis of complementary medicines due to its abundance of bioactive phytochemicals...
December 10, 2018: Plant Foods for Human Nutrition
Fedia Souilem, Maria Inês Dias, Lillian Barros, Ricardo C Calhelha, Maria José Alves, Fethia Harzallah-Skhiri, Isabel C F R Ferreira
Fruits are one of the most promising food matrices and they have been explored in the discovery of new natural and safer bioactive compounds. Carissa macrocarpa (Eckl.) A. DC. fruits are widely consumed in African countries for the preparation of traditional foodstuff, but also for their beneficially health effects. Thus, as the authors' best knowledge there are no studies on the chemical and bioactive characterization of these fruits. Therefore, fruits of C. macrocarpa from Tunisia were chemically characterized regarding their nutritional value and bioactive compounds...
November 26, 2018: Plant Foods for Human Nutrition
Claudia Y Salazar-González, Francisco J Rodríguez-Pulido, Anass Terrab, Consuelo Díaz-Moreno, Carlos A Fuenmayor, Francisco J Heredia
Bee pollen is a hive product, resulting from floral pollen agglutination by worker bees and it is characterized by its excellent bioactive and nutritional composition. Currently, research is focused on bee pollen applications on food industry, because this product has been considered an excellent source of compounds for human nutrition. It is also important in some industries, where color and particle size are important characteristics for production. Due to the granular nature of bee pollen, conventional colorimetry does not allow describing color correctly; thus, digital image analysis is a better alternative...
December 2018: Plant Foods for Human Nutrition
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