keyword
MENU ▼
Read by QxMD icon Read
search

lycopene

keyword
https://www.readbyqxmd.com/read/29338336/changes-in-microbial-growth-carotenoids-and-water-soluble-tannin-content-of-ripe-persimmon-beverage-after-ultra-high-pressure-treatment
#1
Gi-Chang Kim, Sang-Bum Kim, Jin-Sook Kim, Kyung-Mi Kim, Song-Yi Choi
To avoid the loss of carotenoids and increasing the tannin content associated with pasteurization, we tested ultra-high pressure treatment of ripe persimmon beverage. We compared microbial counts (aerobic bacteria, coliforms, and mould), carotenoid contents, and water-soluble tannin contents between heat- and ultra-high pressure-treated beverages. No microbial contamination was detected after pasteurization or ultra-high pressure treatment at 400 MPa for more than 5 min. Ultra-high pressure treatment significantly prevented the reduction in carotenoids (lutein, zeaxanthin, β-cryptoxanthin, β-carotene, lycopene), with losses of 3...
January 1, 2018: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/29337864/effects-of-chitosan-pva-and-cu-nanoparticles-on-the-growth-and-antioxidant-capacity-of-tomato-under-saline-stress
#2
Hipólito Hernández-Hernández, Susana González-Morales, Adalberto Benavides-Mendoza, Hortensia Ortega-Ortiz, Gregorio Cadenas-Pliego, Antonio Juárez-Maldonado
Chitosan is a natural polymer, which has been used in agriculture to stimulate crop growth. Furthermore, it has been used for the encapsulation of nanoparticles in order to obtain controlled release. In this work, the effect of chitosan-PVA and Cu nanoparticles (Cu NPs) absorbed on chitosan-PVA on growth, antioxidant capacity, mineral content, and saline stress in tomato plants was evaluated. The results show that treatments with chitosan-PVA increased tomato growth. Furthermore, chitosan-PVA increased the content of chlorophylls a and b, total chlorophylls, carotenoids, and superoxide dismutase...
January 16, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29336631/the-beneficial-radioprotective-effect-of-tomato-seed-oil-against-gamma-radiation-induced-damage-in-male-rats
#3
Magda K Ezz, Nashwa K Ibrahim, Mahmoud M Said, Mostafa A Farrag
Radiation protection research receives intense focus due to its significant impact on human health. The present study was undertaken to investigate the protective effect of pretreatment with tomato seed oil (TSO) against gamma radiation-induced damage in rats. Male Wistar rats were divided into four groups: (1) untreated control; (2) TSO-supplemented; (3) gamma-irradiated; (4) TSO-pretreated and gamma-irradiated. Acute exposure of animals to a single gamma radiation dose (6 Gy) induced oxidative stress in major body organs, altered serum lipid homeostasis, significantly increased serum testosterone and sorbitol dehydrogenase levels, and elicited a systemic inflammation as manifested by the induction of serum vascular cell adhesion molecule-1...
January 16, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29336630/ameliorating-role-of-lycopene-tomato-puree-and-spirulina-tomato-puree-on-the-hematology-of-fluoride-exposed-swiss-albino-mice
#4
Shweta Sharma, Puneet Parashar, Subhasini Sharma, Kanta Prasad Sharma
Plant species rich in antioxidants (vitamins, flavonoids, lignans, and carotenoids) have been explored for complementary therapy of chronic diseases (cancers, coronary heart disease) and mitigation of pollutant toxicity. This article investigates their ameliorative role on selective hematological and serum biochemical parameters in fluoride-exposed (190 mg/kg body weight) Swiss albino mice pretreated with the antioxidant-rich diet supplements tomato puree (with and without peels), spirulina (cyanobacteria), and lycopene (present in tomato) for 45 days prior to entry into experimental protocol...
January 16, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29335805/effects-of-nicotine-on-the-biosynthesis-of-carotenoids-in-halophilic-archaea-class-halobacteria-an-hplc-and-raman-spectroscopy-study
#5
Aharon Oren, Joseph Hirschberg, Varda Mann, Jan Jehlička
Nicotine has a profound influence on the carotenoid metabolism in halophilic Archaea of the class Halobacteria. In a study of Halobacterium salinarum, Haloarcula marismortui and Halorubrum sodomense, using different analytical techniques to monitor the production of different carotenoids as a function of the presence of nicotine, we showed that the formation of α-bacterioruberin was inhibited in all. In Hbt. salinarum, addition of nicotine led to a significant change in the color of the culture due to the accumulation of lycopene, in addition to the formation of bisanhydrobacterioruberin which does not differ in color from α-bacterioruberin...
January 15, 2018: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/29324670/dietary-carotenoid-intakes-and-prostate-cancer-risk-a-case-control-study-from-vietnam
#6
Dong Van Hoang, Ngoc Minh Pham, Andy H Lee, Duong Nhu Tran, Colin W Binns
The incidence of prostate cancer has increased in Vietnam, but there have been few studies of the risk factors associated with this change. This retrospective case-control study investigated the relation of the intake of carotenoids and their food sources to prostate cancer risk. A sample of 652 participants (244 incident prostate cancer patients, aged 64-75 years, and 408 age frequency-matched controls) were recruited in Ho Chi Minh City during 2013-2015. The habitual diet was ascertained with a validated food-frequency questionnaire, and other factors including demographic and lifestyle characteristics were assessed via face-to-face interviews by trained nurses...
January 11, 2018: Nutrients
https://www.readbyqxmd.com/read/29322841/the-effect-of-lycopene-on-cytochrome-p450-isoenzymes-and-p-glycoprotein-by-using-human-liver-microsomes-and-caco-2-cell-monolayer-model
#7
Lingti Kong, Chunli Song, Linhu Ye, Jian Xu, Daohua Guo, Qingping Shi
Lycopene is widely used as a dietary supplement. However, the effects of lycopene on cytochrome P450 (CYP) enzymes or P-glycoprotein (P-gp) are not comprehensive. The present study was performed to investigate the effects of lycopene on the CYP enzymes and P-gp activity. A cocktail method was used to evaluate the activities of CYP3A4, CYP2C9, CYP2C19, CYP2D6 and CYP2E1. Caco-2 cell monolayer model was carried out to assay lycopene on P-gp activity. The results indicated that lycopene had a moderate inhibitory effect on CYP2E1, with IC50 value of 43...
January 11, 2018: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/29321687/impact-of-biofortified-maize-consumption-on-serum-carotenoid-concentrations-in-zambian-children
#8
Amanda C Palmer, Neal E Craft, Kerry J Schulze, Maxwell Barffour, Justin Chileshe, Ward Siamusantu, Keith P West
Biofortified maize, designed as an intervention strategy to prevent vitamin A deficiency, can provide upwards of 15 μg β-carotene per g dry weight. Some varieties also have elevated concentrations of other carotenoids. We conducted a cluster randomized, controlled feeding trial in rural Zambia to test the impact of daily consumption of biofortified maize over a 6-month period on vitamin A status. Serum concentrations of retinol and carotenoids were assessed by high-performance liquid chromatography. Data on circulating carotenoids by intervention group in 679 children are reported here...
January 10, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29317006/secular-trends-in-regional-differences-in-nutritional-biomarkers-and-self-reported-dietary-intakes-among-american-adults-national-health-and-nutrition-examination-survey-nhanes-1988-1994-to-2009-2010
#9
Ashima K Kant, Barry I Graubard
OBJECTIVE: To understand the contribution of regional differentials in dietary exposures to regional gradients in health, we examined 20-year trends in the association of US census region of residence with nutritional biomarkers and dietary intakes of American adults. DESIGN: Observational. SETTING: The biomarker and 24 h dietary recall data were from the National Health and Nutrition Examination Surveys (NHANES) conducted during 1988-1994 and 1999-2010...
January 10, 2018: Public Health Nutrition
https://www.readbyqxmd.com/read/29315481/development-of-a-temperature-responsive-yeast-cell-factory-using-engineered-gal4-as-a-protein-switch
#10
Pingping Zhou, Wenping Xie, Zhen Yao, Yongqiang Zhu, Lidan Ye, Hongwei Yu
Conflict between cell growth and product accumulation is frequently encountered in biosynthesis of secondary metabolites. Herein, a temperature-dependent dynamic control strategy was developed by modifying the GAL regulation system to facilitate two-stage fermentation in yeast. A temperature-sensitive Gal4 mutant Gal4M9 was created by directed evolution, and used as a protein switch in ΔGAL80 yeast. After EGFP-reported validation of its temperature-responsive induction capability, the sensitivity and stringency of this system in multi-gene pathway regulation was tested, using lycopene as an example product...
January 8, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29313097/efficient-production-of-lycopene-by-engineered-e-coli-strains-harboring-different-types-of-plasmids
#11
Jiali Xu, Xian Xu, Qing Xu, Zhidong Zhang, Ling Jiang, He Huang
The lycopene biosynthetic genes crtE, crtB, and crtI from Deinococcus wulumuqiensis R12 were integrated into three different vector backbones-pET28a, pTrc99A, and pUC18-and the resulting recombinant plasmids pET28a-EBI, pTrc99A-EBI, and pUC18-EBI were introduced into different Escherichia coli hosts. The results showed that lycopene production of strain 28BL was lower than that of 99 series strains without IPTG in LB medium. In addition, lycopene production of 99JM with supplementation of 20% (w/v) glycerol was 1...
January 8, 2018: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/29311132/the-epidemiology-of-prostate-cancer
#12
Claire H Pernar, Ericka M Ebot, Kathryn M Wilson, Lorelei A Mucci
Prostate cancer is a major cause of disease and mortality among men, and each year 1.6 million men are diagnosed with and 366,000 men die of prostate cancer. In this review, we discuss the state of evidence for specific genetic, lifestyle, and dietary factors associated with prostate cancer risk. Given the biological heterogeneity of this cancer, we focus on risk factors for advanced or fatal prostate cancer. First, we provide descriptive epidemiology statistics and patterns for prostate cancer incidence and mortality around the world...
January 8, 2018: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/29301252/singlet-oxygen-and-free-radical-reactions-of-retinoids-and-carotenoids-a-review
#13
REVIEW
Ruth Edge, T George Truscott
We report on studies of reactions of singlet oxygen with carotenoids and retinoids and a range of free radical studies on carotenoids and retinoids with emphasis on recent work, dietary carotenoids and the role of oxygen in biological processes. Many previous reviews are cited and updated together with new data not previously reviewed. The review does not deal with computational studies but the emphasis is on laboratory-based results. We contrast the ease of study of both singlet oxygen and polyene radical cations compared to neutral radicals...
January 1, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29287465/characterization-of-lycopene-hydrocolloidal-structure-induced-by-tomato-processing
#14
Sahar Jazaeri, Abdorreza Mohammadi, Amir Mehrabi Panah Kermani, Gopinadhan Paliyath, Yukio Kakuda
Tomato juice and paste are special type of dispersions, composed of suspended particles (pulp) dispersed in a colloidal liquid medium (serum). The bright red appearance of soluble solid separated by high speed centrifugation denoted the presence of lycopene in this fraction. Since lycopene is a hydrophobic compound it is not expected to appear in the water soluble fraction. HPLC analysis indicated presence of substantial amount of lycopene in soluble fraction which was confirmed by the appearance of lycopene crystals when observed under Transmission Electron Microscope (TEM)...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287334/can-lycopene-be-considered-an-effective-protection-against-cardiovascular-disease
#15
REVIEW
J Costa-Rodrigues, O Pinho, P R R Monteiro
Lycopene is a bioactive component mainly found in tomato. It is characterized by a high antioxidant potential, the highest among carotenoids. Mainly due to this property, lycopene has been suggested to display many beneficial effects, including its potential cardioprotective role. Despite some contradictory observations, which appear to be mainly caused by discrepancies in the different experimental protocols applied in the different studies, growing evidence points to clear benefits of lycopene in the maintenance of cardiovascular function and health...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29276501/host-and-pathway-engineering-for-enhanced-lycopene-biosynthesis-in-yarrowia-lipolytica
#16
Cory Schwartz, Keith Frogue, Joshua Misa, Ian Wheeldon
Carotenoids are a class of molecules with commercial value as food and feed additives with nutraceutical properties. Shifting carotenoid synthesis from petrochemical-based precursors to bioproduction from sugars and other biorenewable carbon sources promises to improve process sustainability and economics. In this work, we engineered the oleaginous yeast Yarrowia lipolytica to produce the carotenoid lycopene. To enhance lycopene production, we tested a series of strategies to modify host cell physiology and metabolism, the most successful of which were mevalonate pathway overexpression and alleviating auxotrophies previously engineered into the PO1f strain of Y...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29273675/vitamin-e-and-lycopene-reduce-coal-burning-fluorosis-induced-spermatogenic-cell-apoptosis-via-oxidative-stress-mediated-jnk-and-erk-signaling-pathways
#17
Yuan Tian, Yuehai Xiao, Bolin Wang, Chao Sun, Kaifa Tang, Fa Sun
Although fluoride has been widely used in toothpaste, mouthwash, and drinking water to prevent dental caries, the excessive intake of fluoride can cause fluorosis which is associated with dental, skeletal, and soft tissue fluorosis. Recent evidences have drawn the attention to its adverse effects on male reproductive system that include spermatogenesis defect, sperm count loss, and sperm maturation impairment. Fluoride induces oxidative stress through the activation of mitogen activated protein kinase (MAPK) cascade which can lead to cell apoptosis...
December 22, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29259394/characterizing-the-effect-of-supplements-on-the-phenotype-of-cultured-macrophages-from-patients-with-age-related-macular-degeneration
#18
Batya Rinsky, Shira Hagbi-Levi, Sarah Elbaz-Hayoun, Michelle Grunin, Itay Chowers
Purpose: Oral vitamin and mineral supplements reduce the risk of visual loss in age-related macular degeneration (AMD). However, the pathways that mediate this beneficial effect are poorly understood. Macrophages may exert oxidative, inflammatory, and angiogenic effects in the context of AMD. We aim to assess if oral supplements can modulate the macrophage phenotype in this disease. Methods: Monocytes were isolated from patients with neovascular AMD (nvAMD), cultured, matured to macrophages, and polarized to classical [M1 (stimulated by IFNγ and lipopolysaccharide (LPS))] and alternative [M2 (stimulated with IL-4 and IL-13)] phenotypes...
2017: Molecular Vision
https://www.readbyqxmd.com/read/29249178/biomarkers-of-cardiometabolic-health-and-nutritional-status-in-individuals-with-positive-celiac-disease-serology
#19
Joseph Jamnik, David Ja Jenkins, Ahmed El-Sohemy
BACKGROUND: Celiac disease (CD) is an autoimmune disorder characterized by damage to the intestinal mucosa and nutrient malabsorption in severe cases. However, it remains unclear whether nutrient deficiencies and other adverse health effects are prevalent in individuals with positive CD serology identified through screening studies. OBJECTIVE: The objective was to determine whether biomarkers of cardiometabolic health and nutritional status differ between those with positive and negative CD serology identified in a screening study of Canadian adults...
January 1, 2017: Nutrition and Health
https://www.readbyqxmd.com/read/29249156/antiobesity-efficacy-of-quercetin-rich-supplement-on-diet-induced-obese-rats-effects-on-body-composition-serum-lipid-profile-and-gene-expression
#20
Yu-Wen Ting, Wei-Tang Chang, Duen-Kai Shiau, Pei-Hsuan Chou, Mei-Fang Wu, Chin-Lin Hsu
The anti-obesity effects of quercetin-rich supplement (QRS), which contain quercetin, lycopene, taurine, and litchi flower extract, on a high-fat diet (HFD)-induced obese rats were investigated. The rats that consume HFD with QRS (185 mg/kg rat) have significantly modulated the final body weights [490±11 (HFD)→441±11 (HFD+QRS) g], total body fat [112.9±4.5 (HFD)→86.6±5.7 (HFD+QRS) g], liver weights [14.8±0.4 (HFD)→12.6±0.4 (HFD+QRS) g/rat], and the serum TG [102.5±7.3 (HFD)→90.7±6.5 (HFD+QRS) mg/dL] to a level that resembled the regular diet-consumed rats (p<0...
December 18, 2017: Journal of Agricultural and Food Chemistry
keyword
keyword
40484
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"