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sweet potato

Yicheng Yu, Aimin Wang, Xiang Li, Meng Kou, Wenjun Wang, Xianyang Chen, Tao Xu, Mingku Zhu, Daifu Ma, Zongyun Li, Jian Sun
Melatonin (MT) is a multifunctional molecule in animals and plants and is involved in defense against salinity stress in various plant species. In this study, MT pretreatment was simultaneously applied to the roots and leaves of sweet potato seedlings [ Ipomoea batatas (L.) Lam.], which is an important food and industry crop worldwide, followed by treatment of 150 mM NaCl. The roles of MT in mediating K+ /Na+ homeostasis and lipid metabolism in salinized sweet potato were investigated. Exogenous MT enhanced the resistance to NaCl and improved K+ /Na+ homeostasis in sweet potato seedlings as indicated by the low reduced K+ content in tissues and low accumulation of Na+ content in the shoot...
2018: Frontiers in Plant Science
Cheng Tian, Meimei Wang, Shanshan Liu, Hang Ma, Kai He, Deqi Zhou, Yanlin Li, Xiaoli Ye, Xuegang Li
A new small molecule glycoprotein SPG-8700 with potential anti-colorectal cancer activity was firstly separated by tracking of bioactivity from a new sweet potato variety Zhongshu-1. Matrix-assisted laser desorption ionization mass spectrometry, high-performance liquid chromatography and amino acid analyzer were applied separately to determine the molecular weight and compositions of this glycoprotein. Flow cytometry analysis and western blotting analysis were employed to explore it's mechanism of the anti-colorectal cancer...
March 12, 2018: Natural Product Research
Hamady Dieng, Tomomitsu Satho, Nur Khairatun Khadijah Binti Meli, Fatimah Abang, Cirilo Nolasco-Hipolito, Hafijah Hakim, Fumio Miake, Wan Fatma Zuharah, Nur Faeza A Kassim, Abdul Hafiz Ab Majid, Ronald E Morales Vargas, Noppawan P Morales, Gabriel Tonga Noweg
Nectar is the staple diet of adult mosquitoes in the wild, but its availability is inconsistent and can be affected by rainfall. In urban centers, Aedes vectors commonly use man-made containers as their major habitat; however, they can colonize any items replenished by rainfall. Garbage output has increased significantly in recent years, at a time when collection frequency is reducing. Such garbage usually includes organic components, some of which are sweet and can be fed upon by other animals or become can containers for rainwater...
March 6, 2018: Environmental Science and Pollution Research International
Yixiao Shen, Haiyan Sun, Haiying Zeng, Witoon Prinyawiwatkul, Wenqing Xu, Zhimin Xu
Changes of phenolics, fatty acids, and phytosterols in the sweet potato (SP) fermented by Lactobacillus acidophilus were evaluated and compared with its raw and boiled SPs. The differences of profiles and levels of phenolics between raw and boiled SPs were not as significant as their differences from fermented SP. The level of caffeic acid or 3,5-dicaffeoylquinic acids in fermented SP increased to more than 4 times higher than raw or boiled SP. Two phenolics, p-coumaric acid and ferulic acid which were not detected in either raw or boiled SP were found in fermented SP...
March 3, 2018: Journal of Agricultural and Food Chemistry
Monika Garg, Natasha Sharma, Saloni Sharma, Payal Kapoor, Aman Kumar, Venkatesh Chunduri, Priya Arora
Biofortification is an upcoming, promising, cost-effective, and sustainable technique of delivering micronutrients to a population that has limited access to diverse diets and other micronutrient interventions. Unfortunately, major food crops are poor sources of micronutrients required for normal human growth. The manuscript deals in all aspects of crop biofortification which includes-breeding, agronomy, and genetic modification. It tries to summarize all the biofortification research that has been conducted on different crops...
2018: Frontiers in Nutrition
Yushu Zhang, Hong Ding, Xiangzhou Zheng, Xiangyun Ren, Laura Cardenas, Alison Carswell, Tom Misselbrook
The change in land-use from woodland to crop production leads to increased nitrous oxide (N2 O) emissions. An understanding of the main N2 O sources in soils under a particular land can be a useful tool in developing mitigation strategies. To better understand the effect of land-use on N2 O emissions, soils were collected from 5 different land-uses in southeast China: shrub land (SB), eucalyptus plantation (ET), sweet potato farmland (SP), citrus orchard (CO) and vegetable growing farmland (VE). A stable isotope experiment was conducted incubating soils from the different land use types at 60% water holding capacity (WHC), using15 NH4 NO3 and NH4 15 NO3 to determine the dominant N2 O production pathway for the different land-uses...
February 24, 2018: Environmental Pollution
Yang Zeng, Yu-Ting Yang, Qing-Jun Wu, Shao-Li Wang, Wen Xie, You-Jun Zhang
Odorant-binding proteins (OBPs) and chemosensory proteins (CSPs) of insects are thought to play roles in olfactory recognition affecting host choice, copulation, reproduction, and other behaviors. Previous descriptions of OBPs and CSPs in the whitefly Bemisia tabaci often provided no or incomplete genetic information. In this study, we present a genome-wide and transcriptome-wide investigation of the OBPs and CSPs in B. tabaci MEAM1 (Middle East-Asia Minor1 species). Eight OBP and 19 CSP genes were identified that covered all previous sequences...
February 14, 2018: Insect Science
Sunette M Laurie, Mieke Faber, Nicole Claasen
Orange-fleshed sweet potato (OFSP) is considered the single most successful example of biofortification of a staple crop, and presents a feasible option to address vitamin A deficiency. Though initially promoted as part of a crop-based approach focusing on production and consumption at household level, it evolved into small-scale commercial production, predominantly in Sub-Saharan Africa. This paper reviews OFSP initiatives in relation to the South African food environment and food supply systems, also identifying opportunities for scaling out OFSP in a situation where sweet potato is not eaten as a staple...
February 2018: Food Research International
Sandra N Slagter, Eva Corpeleijn, Melanie M van der Klauw, Anna Sijtsma, Linda G Swart-Busscher, Corine W M Perenboom, Jeanne H M de Vries, Edith J M Feskens, Bruce H R Wolffenbuttel, Daan Kromhout, Jana V van Vliet-Ostaptchouk
BACKGROUND: Diversity in the reported prevalence of metabolically healthy obesity (MHO), suggests that modifiable factors may be at play. We evaluated differences in dietary patterns and physical activity between MHO and metabolically unhealthy obesity (MUO). METHODS: Cross-sectional data of 9270 obese individuals (30-69 years) of the Lifelines Cohort Study was used. MHO was defined as obesity and no metabolic syndrome risk factors and no cardiovascular disease history...
February 12, 2018: Nutrition Journal
W L Li, G H Ji, X Z Zhang, H Y Yu
Objective: To observe the effect of purple sweet potato anthocyanins on the proliferation of bladder cancer cell line BIU87 and to investigate the molecular mechanisms. Methods: Bladder cancer BIU87 cells were cultured and exposed to anthocyanins at the different concentrations of 100, 200, 400, and 800 μg/ml respectively. The growth inhibition of anthocyanins on BIU87 cells were evaluated by morphometry and cell counting kit-8 (CCK-8) assay, and the cell apoptosis rate was detected by Flow cytometry (FCM)...
February 6, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Amanda C Nogueira, Georgia A R Sehn, Ana Paula Rebellato, Janclei P Coutinho, Helena T Godoy, Yoon K Chang, Caroline J Steel, Maria Teresa P S Clerici
Yellow sweet potato is mostly produced by small farmers, and may be a source of energy and carotenoids in the human diet, but it is a highly perishable crop. To increase its industrial application, yellow sweet potato flour has been produced for use in bakery products. This study aimed to evaluate the technological quality and the carotenoids content in sweet breads produced with the replacement of wheat flour by 0, 3, 6, and 9% yellow sweet potato flour. Breads were characterized by technological parameters and β-carotene levels during nine days of storage...
February 1, 2018: Anais da Academia Brasileira de Ciências
Kirtikumar R Kondhare, Amit Kumar, David J Hannapel, Anjan K Banerjee
BACKGROUND: Polypyrimidine-tract binding proteins (PTBs) are ubiquitous RNA-binding proteins in plants and animals that play diverse role in RNA metabolic processes. PTB proteins bind to target RNAs through motifs rich in cytosine/uracil residues to fine-tune transcript metabolism. Among tuber and root crops, potato has been widely studied to understand the mobile signals that activate tuber development. Potato PTBs, designated as StPTB1 and StPTB6, function in a long-distance transport system by binding to specific mRNAs (StBEL5 and POTH1) to stabilize them and facilitate their movement from leaf to stolon, the site of tuber induction, where they activate tuber and root growth...
February 7, 2018: BMC Genomics
Fred K Tabung, Lisa S Brown, Teresa T Fung
Purpose of review: Colorectal cancer (CRC) is a global public health problem, with an estimated 1.4 million cases diagnosed worldwide in 2012. Evidence suggests that diet may be important for primary prevention. Recent findings: The 2017 WCRF/AICR Continuous Update Project on colorectal cancer concluded that there is convincing evidence linking several individual dietary factors with CRC risk but the evidence for dietary patterns was limited and inconclusive. Also, previous reviews and meta-analyses have not critically synthesized various dietary patterns...
December 2017: Current Colorectal Cancer Reports
Duqin Zhang, Taihua Mu, Hongnan Sun
Wheat, corn, tapioca, sweet potato and potato starches were independently mixed into starch-gluten model doughs containing 15% (w/w) vital gluten. Rheological properties, including linear viscoelasticity region, frequency dependence and recovery capacity, were studied by strain sweep, frequency sweep, and creep and recovery measurements. Structural properties were also investigated by measuring the disulfide bonds (-SS-) content, SDS-PAGE and low-resolution 1H nuclear magnetic resonance. Wheat starch (WS)-gluten dough had the greatest linear viscoelasticity region (0...
January 2018: Food Research International
Wen-Harn Pan, Nai-Hua Yeh, Ray-Yu Yang, Wei-Hsuan Lin, Wan-Chen Wu, Wen-Ting Yeh, Mi-Kyung Sung, Haeng-Shin Lee, Sue-Joan Chang, Ching-Jang Huang, Bi-Fong Lin, Meng-Tsan Chiang
Phytonutrients may play important roles in human health and yet only recently a few studies have described phytonutrient consumption patterns, using data obtained from daily consumption methods. We aimed to estimate the phytonutrient content in Taiwanese diets and analyzed main food sources of 10 major phytonutrients. In this study, food items and dietary data gathered with the 24-hour dietary recall from 2908 participants in the 2005-2008 Nutrition and Health Survey in Taiwan were used to create a food phytonutrient database with 933 plant-based foods through integrating database, literature search, and chemical analysis and to appraise phytonutrient consumption status of participants...
January 2018: Journal of Food and Drug Analysis
Victoria Awuni, Martha Wunnam Alhassan, Francis Kweku Amagloh
Refining food recipes with orange-fleshed sweet potato (OFSP) has the potential to improve dietary intake of vitamin A. The objectives of this study were to utilize OFSP in the development of two composite bread types and to assess their contribution to dietary intake of vitamin A using the dietary reference intake of lactating mothers. Two composite OFSP-wheat flour bread recipes-vita butter bread and vita tea bread-were developed by incorporating 46% OFSP puree in existing 100% wheat flour bread recipes consumed by Ghanaians...
January 2018: Food Science & Nutrition
Reema F Tayyem, Hiba A Bawadi, Ihab Shehadah, Kamal E Bani-Hani, Hamed Takruri, Tareq Al-Jaberi, Dennis D Heath
Background: The effects of consuming fast foods, sweets and beverages on the development of colorectal cancer (CRC) are unclear. The aim of this case-control study was to assess possible associations between the consumption of different fast foods, sweets and beverages and CRC risk in a Jordanian population. Methods: Two hundred and twenty diagnosed CRC cases and 281 controls were enrolled. Diet history was obtained using a validated quantitative questionnaire. Results: Consumption of some types of fast food, and particularly falafel, was associated with an increased risk of developing CRC...
January 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
Mei Cheng, Xin Zhang, Jinxuan Cao, Xiaojie Zheng, Zhicheng Zhang
In this study, the role of phospholipids in transepithelial transport and the impact on the antioxidant activity of purple sweet potato anthocyanins (PSPAs) was evaluated. PSPAs were purified by column chromatography, and then PSPAs-phospholipids complex (PSPAs-PC) was prepared. In antioxidant assay in vitro, PSPAs-PC exhibited potential antioxidant activity; meanwhile, it exhibited relatively higher stability in mimic gastrointestinal digestion conditions. The inhibitory effect of PSPAs-PC on the oxidation of soybean oil was significantly higher after 15 days storage...
January 2018: Journal of Food Science and Technology
Jian Li, Zhao Shi, Yongjie Mi
Purple sweet potato color (PSPC) is a natural anthocyanin pigment that is derived from purple sweet potato storage roots. PSPC possesses a variety of biological activities, including antioxidant, anti‑inflammatory and neuroprotective effects; however, the detailed effects of PSPC on high‑fat diet (HFD)‑induced neuroinflammation remain to be determined. The aim of the present study was to investigate whether PSPC has a protective role in HFD‑associated neuroinflammation in the mouse brain and to provide novel insight into the mechanisms of the action...
January 17, 2018: Molecular Medicine Reports
Zhao Zhang, Jiahui Lai, Kesen Wu, Xingcan Huang, Shuai Guo, Lili Zhang, Jian Liu
Peroxidases are widely used as catalysts in chemiluminescence (CL) reaction because of their excellent catalytic activity and various selectable species, such as horseradish peroxidase (HRP), sweet potato peroxidase (SPP) and soybean peroxidase (SbP). They have been employed in many different CL systems for the determination of hydrogen peroxidase (H2O2), nucleic acid, protein and so on. In this paper, the application of peroxidases in the most commonly used luminol-H2O2 CL system was reviewed from two aspects of horseradish peroxidase (HRP) and some anionic peroxidases...
April 1, 2018: Talanta
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