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https://www.readbyqxmd.com/read/28231159/comparison-of-the-proximate-composition-total-carotenoids-and-total-polyphenol-content-of-nine-orange-fleshed-sweet-potato-varieties-grown-in-bangladesh
#1
Mohammad Khairul Alam, Ziaul Hasan Rana, Sheikh Nazrul Islam
In an attempt to develop the food composition table for Bangladesh, the nutritional composition of nine varieties of orange-fleshed sweet potato was analyzed together with total carotenoids (TCC) and total polyphenol content (TPC). Each variety showed significant variation in different nutrient contents. The quantification of the TCC and TPC was done by spectrophotometric measurement, and the proximate composition was done by the AOAC method. The obtained results showed that total polyphenol content varied from 94...
September 14, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28224473/relationship-between-major-dietary-patterns-and-sarcopenia-among-menopausal-women
#2
Reza Mohseni, Sima Aliakbar, Afsoun Abdollahi, Mir Saeed Yekaninejad, Zhila Maghbooli, Khadijeh Mirzaei
BACKGROUND AND AIM: Dietary habits have been associated with the prevalence of the sarcopenia and limited data are available in this field for menopausal women. This study focused on the relationship between dietary patterns and prevalence of the sarcopenia in menopausal women. METHODS: This cross-sectional study was done in 250 menopausal women 45 years old or older. Dietary data were collected using a food-frequency questionnaire and physical activity was assessed by International Physical Activity Questionnaire (IPAQ)...
February 21, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28187234/the-research-and-implementation-continuum-of-biofortified-sweet-potato-and-maize-in-africa
#3
Sherry A Tanumihardjo, Anna-Marie Ball, Chisela Kaliwile, Kevin V Pixley
The enhancement of sweet potato and maize with provitamin A carotenoids has been part of HarvestPlus's research continuum since the formation of the biofortification project. This review includes case studies of biofortification strategies used for sweet potato in Uganda and orange maize in Zambia. The current status of the science and release of biofortified varieties was reviewed by three scientists who were part of the HarvestPlus program for more than a decade with input from a scientist who experienced orange maize dissemination in Zambia...
February 10, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28187178/genome-wide-assessment-of-population-structure-and-genetic-diversity-and-development-of-a-core-germplasm-set-for-sweet-potato-based-on-specific-length-amplified-fragment-slaf-sequencing
#4
Wenjin Su, Lianjun Wang, Jian Lei, Shasha Chai, Yi Liu, Yuanyuan Yang, Xinsun Yang, Chunhai Jiao
Sweet potato, Ipomoea batatas (L.) Lam., is an important food crop that is cultivated worldwide. However, no genome-wide assessment of the genetic diversity of sweet potato has been reported to date. In the present study, the population structure and genetic diversity of 197 sweet potato accessions most of which were from China were assessed using 62,363 SNPs. A model-based structure analysis divided the accessions into three groups: group 1, group 2 and group 3. The genetic relationships among the accessions were evaluated using a phylogenetic tree, which clustered all the accessions into three major groups...
2017: PloS One
https://www.readbyqxmd.com/read/28185876/associations-between-food-consumption-patterns-and-saliva-composition-specificities-of-eating-difficulties-children
#5
Martine Morzel, Caroline Truntzer, Eric Neyraud, Hélène Brignot, Patrick Ducoroy, Géraldine Lucchi, Cécile Canlet, Ségolène Gaillard, Florian Nicod, Sophie Nicklaus, Noël Peretti, Gilles Feron
Identifying objective markers of diet would be beneficial to research fields such as nutritional epidemiology. As a preliminary study on the validity of using saliva for this purpose, and in order to explore the relationship between saliva and diet, we focused on clearly contrasted groups of children: children with eating difficulties (ED) receiving at least 50% of their energy intake through artificial nutrition vs healthy controls (C). Saliva of ED and C children was analyzed by various methods (targeted biochemical analyses, 2-D electrophoresis coupled to MS, (1)H NMR) and their diet was characterized using food frequency questionnaires, considering 148 food items grouped into 13 categories...
February 6, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28164808/emerging-food-allergens-identification-of-polyphenol-oxidase-as-an-important-allergen-in-eggplant-solanum-melongena-l
#6
Bheemanapalli N Harish Babu, Anthony Wilfred, Yeldur P Venkatesh
Although many allergens have been detected in eggplant (Solanum melongena L.), their identity have not been elucidated. The aim of this study was to investigate whether polyphenol oxidase (PPO), an important eggplant enzyme, acts as an allergen. The proteins of eggplant peel extract were separated on phenyl-Sepharose (PS), and analyzed by skin prick test (SPT), ELISA and IgE-immunoblotting; the components were analyzed for PPO activity, presence of protein-bound copper, and recognition by rabbit polyclonal anti-sweet potato PPO antiserum...
February 2017: Immunobiology
https://www.readbyqxmd.com/read/28155188/inducible-expression-of-bs2-r-gene-from-capsicum-chacoense-in-sweet-orange-citrus-sinensis-l-osbeck-confers-enhanced-resistance-to-citrus-canker-disease
#7
Lorena Noelia Sendín, Ingrid Georgina Orce, Rocío Liliana Gómez, Ramón Enrique, Carlos Froilán Grellet Bournonville, Aldo Sergio Noguera, Adrián Alberto Vojnov, María Rosa Marano, Atilio Pedro Castagnaro, María Paula Filippone
Transgenic expression of the pepper Bs2 gene confers resistance to Xanthomonas campestris pv. vesicatoria (Xcv) pathogenic strains which contain the avrBs2 avirulence gene in susceptible pepper and tomato varieties. The avrBs2 gene is highly conserved among members of the Xanthomonas genus, and the avrBs2 of Xcv shares 96% homology with the avrBs2 of Xanthomonas citri subsp. citri (Xcc), the causal agent of citrus canker disease. A previous study showed that the transient expression of pepper Bs2 in lemon leaves reduced canker formation and induced plant defence mechanisms...
February 2, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28135399/purple-sweet-potato-attenuate-weight-gain-in-high-fat-diet-induced-obese-mice
#8
Ronghui Ju, Shujuan Zheng, Hongxia Luo, Changgang Wang, Lili Duan, Yao Sheng, Changhui Zhao, Wentao Xu, Kunlun Huang
Purple sweet potato (PSP) is widely grown in Asia and considered as a healthy vegetable. The objective of the current study was to determine the anti-obesity effect of the PSP on high fat diet induced obese C57BL/6J mice. The mice were administrated with high fat diet supplemented with the sweet potato (SP) or PSP at the concentration of 15% and 30% for 12 wk, respectively. The results showed that the supplementation of SP or PSP at 30% significantly ameliorated high fat diet induced obesity and its associated risk factors, including reduction of body weight and fat accumulation, improvement of lipid profile and modulation of energy expenditure...
January 30, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28134423/tobacco-chewing-and-risk-of-gastric-cancer-a-case-control-study-in-yemen
#9
F A Al-Qadasi, S A Shah, H F Ghazi
This study aimed to assess the risk factors for gastric cancer in Yemen. A hospital-based case-control study of 70 cases and 140 controls was carried out in Sana'a city between May and October 2014. A structured questionnaire was used to collect information through direct interview. Living in rural areas, tobacco chewing and drinking untreated water were significant risk factors for gastric cancer. Frequent consumption of chicken, cheese, milk, starchy vegetables, cucumber, carrots, leeks, sweet pepper, fruit drinks, legumes and olive oil were associated significantly with decreased risk of gastric cancer...
January 23, 2017: Eastern Mediterranean Health Journal, la Revue de Santé de la Méditerranée Orientale
https://www.readbyqxmd.com/read/28120607/anaphylaxis-to-hidden-potato-allergens-in-a-peach-and-egg-allergic-boy
#10
M F Martín-Muñoz, A Diaz-Perales, J Cannabal, S Quirce
More than 170 foods have been identified as being potentially allergenic. However, a minority of these foods cause the majority of reactions. Sweets are frequently implicated in allergic reactions in children with cow's milk, egg, nuts or fruits allergy, and they are the most relevant foods investigated as responsible allergens. We report an anaphylactic reaction to candies in an egg and peach allergic boy. We performed a study to identify responsible allergens for the reaction. We investigated hidden egg and peach allergens in the candies, but they were not found...
January 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28115751/phenolics-extraction-from-sweet-potato-peels-modelling-and-optimization-by-response-surface-modelling-and-artificial-neural-network
#11
Ana Anastácio, Rúben Silva, Isabel S Carvalho
Sweet potato peels (SPP) are a major waste generated during root processing and currently have little commercial value. Phenolics with free radical scavenging activity from SPP may represent a possible added-value product for the food industry. The aqueous extraction of phenolics from SPP was studied using a Central Composite Design with solvent to solid ratio (30-60 mL g(-1)), time (30-90 min) and temperature (25-75 °C) as independent variables. The comparison of response surface methodology (RSM) and artificial neural network (ANN) analysis on extraction modelling and optimising was performed...
December 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28069189/ultrasound-treated-potato-peel-and-sweet-lime-pomace-based-biopolymer-film-development
#12
Purba Prasad Borah, Pulak Das, Laxmikant S Badwaik
Treatment and management of food processing waste is a major challenge for food industry. Potato processing industry generates tremendous amount of peel and consider it as zero valued waste. Again, pomace generated after juice extraction from sweet lime pulp is considered as waste and not properly utilized. Whereas these waste could be utilized for the development of biodegradable packaging film to overcome environmental issues. Composite films were prepared with varying proportion of potato peel powder (PP) and sweet lime pomace (SLP) in the ratio of 0:1(A), 0...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28058246/study-of-acrylamide-level-in-food-from-vending-machines
#13
Naceur Haouet, Simona Pistolese, Raffaella Branciari, David Ranucci, Maria Serena Altissimi
Acrylamide is a by-product of the Maillard reaction and is potentially carcinogenic to humans. It is found in a number of foods with higher concentrations in carbohydrate-rich foods and moderate levels of protein-rich foods such as meat, fish and seafood. Acrylamide levels in food distributed in vending machines placed in public areas of the city of Perugia were analysed by high-performance liquid chromatography. Samples included five different categories, depending on the characteristics of the products: i) potato chips; ii) salted bakery products; iii) biscuits and wafers; iv) sweet bakery products; v) sandwiches...
September 20, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/28052202/selenylation-of-polysaccharide-from-the-sweet-potato-and-evaluation-of-antioxidant-antitumor-and-antidiabetic-activities
#14
Bo Yuan, Xu-Qin Yang, Meng Kou, Chang-Yan Lu, Yuan-Yuan Wang, Jun Peng, Ping Chen, Ji-Hong Jiang
Interest in sweet potato as a functional food is growing. A polysaccharide (SWP) was isolated from the sweet potato tuber and elucidation of its structure as composed of rhamnose, glucose, and galactose undertaken. To improve its activity, selenylation of this novel polysaccharide (Se-SWP) was undertaken by using microwave synthesis. In vitro evaluation showed that the Se-SWP has excellent antioxidant activity on scavenging free radicals and reducing capacity. In vivo antitumor evaluation showed selenylation polysaccharide could effectively inhibit tumor growth (>50%) and adjust immune factor levels in the mice (IL-2, TNF-α, and VEGF)...
January 13, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28035340/targeting-glucose-metabolism-for-healthy-aging
#15
REVIEW
Rachel A Brewer, Victoria K Gibbs, Daniel L Smith
Advancing age is the greatest single risk factor for numerous chronic diseases. Thus, the ability to target the aging process can facilitate improved healthspan and potentially lifespan. Lack of adequate glucoregulatory control remains a recurrent theme accompanying aging and chronic disease, while numerous longevity interventions result in maintenance of glucoregulatory control. In this review, we propose targeting glucose metabolism to enhance regulatory control as a means to ameliorate the aging process...
October 27, 2016: Nutr Healthy Aging
https://www.readbyqxmd.com/read/28032067/association-of-major-dietary-patterns-with-cardio-metabolic-risk-factors-in-type-2-diabetic-patients
#16
Zhaleh Shadman, Mahdieh Akhoundan, Nooshin Poorsoltan, Bagher Larijani, Mostafa Qorbani, Mehdi Hedayati, Mohsen Khoshniat Nikoo
BACKGROUND: Role of dietary modifications on the treatment and management of diabetes and complications was shown by many researchers. This study was designed to examine the association of major dietary patterns with diabetes-related cardio-metabolic risk factors in Iranian diabetes. METHODS: Totally, 525 type 2 diabetic subjects with mean age 55 ± 10 yr were included in this cross-sectional study in 2014 that followed for at least two years by the Diabetes and Metabolic disease Clinic of Tehran University of Medical Sciences, Tehran, Iran...
November 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28005969/mixed-infections-of-four-viruses-the-incidence-and-phylogenetic-relationships-of-sweet-potato-chlorotic-fleck-virus-betaflexiviridae-isolates-in-wild-species-and-sweetpotatoes-in-uganda-and-evidence-of-distinct-isolates-in-east-africa
#17
Arthur K Tugume, Settumba B Mukasa, Jari P T Valkonen
Viruses infecting wild flora may have a significant negative impact on nearby crops, and vice-versa. Only limited information is available on wild species able to host economically important viruses that infect sweetpotatoes (Ipomoea batatas). In this study, Sweet potato chlorotic fleck virus (SPCFV; Carlavirus, Betaflexiviridae) and Sweet potato chlorotic stunt virus (SPCSV; Crinivirus, Closteroviridae) were surveyed in wild plants of family Convolvulaceae (genera Astripomoea, Ipomoea, Hewittia and Lepistemon) in Uganda...
2016: PloS One
https://www.readbyqxmd.com/read/27999360/self-reported-dietary-restrictions-and-dietary-patterns-in-polish-girls-a-short-research-report-gebahealth-study
#18
Grzegorz Galinski, Marta Lonnie, Joanna Kowalkowska, Lidia Wadolowska, Jolanta Czarnocinska, Marzena Jezewska-Zychowicz, Ewa Babicz-Zielinska
Dietary restraint is a commonly reported practice observed among young females. The practice remains controversial and can be interpreted as a beneficial self-regulating behavior or the opposite, an eating disorder that may have a detrimental effect on health. The aim of this short report was to investigate if dietary restrictions are associated with dietary patterns in a representative sample of Polish girls. Analyses were carried out on data from the Girls' Eating Behavior and Health (GEBaHealth) study. The sample included 1107 girls, ranging in age from 13 to 21 years old...
December 19, 2016: Nutrients
https://www.readbyqxmd.com/read/27979299/analytical-optimization-of-a-phenolic-rich-herbal-extract-and-supplementation-in-fermented-milk-containing-sweet-potato-pulp
#19
Lorena Rodrigues Ramos, Jânio Sousa Santos, Heitor Daguer, Andressa Camargo Valese, Adriano Gomes Cruz, Daniel Granato
The aims of the present study were to optimize and characterize the phenolic composition of a herbal extract composed of green mate (Ilex paraguariensis), clove (Syzygium aromaticum), and lemongrass (Cymbopogon citratus) and to propose the addition of this polyphenol-rich extract to fermented milks (FM) with/without sweet potato pulp (Ipomoea batatas). Proximate composition, pH, acidity, instrumental texture profile, total phenolic content (TPC), antioxidant activity (AA) of all formulations were measured, and sensory attributes were also investigated...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979226/fractionation-enzyme-inhibitory-and-cellular-antioxidant-activity-of-bioactives-from-purple-sweet-potato-ipomoea-batatas
#20
Tuba Esatbeyoglu, Miriam Rodríguez-Werner, Anke Schlösser, Peter Winterhalter, Gerald Rimbach
Sweet potato (Ipomoea batatas L.) is mainly cultivated in Asia. The deep purple color of purple sweet potato (PSP) is due to the high content of acylated anthocyanins. In the present study, PSP-derived polyphenols were identified using HPLC-PDA and HPLC-ESI-MS(n) analyses. After concentration of the polyphenols from PSP, preparative separation into two fractions, designated anthocyanins (AF) and copigments (CF), was carried out using adsorptive membrane chromatography. In enzyme inhibitory assays, all PSP samples inhibited the enzymes α-amylase, α-glucosidase and xanthine oxidase...
April 15, 2017: Food Chemistry
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