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https://www.readbyqxmd.com/read/28448474/innovative-green-and-novel-strategies-for-the-extraction-of-bioactive-added-value-compounds-from-citrus-wastes-a-review
#1
REVIEW
Predrag Putnik, Danijela Bursać Kovačević, Anet Režek Jambrak, Francisco J Barba, Giancarlo Cravotto, Arianna Binello, Jose Manuel Lorenzo, Avi Shpigelman
Citrus is a major processed crop that results in large quantities of wastes and by-products rich in various bioactive compounds such as pectins, water soluble and insoluble antioxidants and essential oils. While some of those wastes are currently valorised by various technologies (yet most are discarded or used for feed), effective, non-toxic and profitable extraction strategies could further significantly promote the valorisation and provide both increased profits and high quality bioactives. The present review will describe and summarize the latest works concerning novel and greener methods for valorisation of citrus by-products...
April 27, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28447856/evaluation-of-the-nutritional-changes-caused-by-huanglongbing-hlb-to-citrus-plants-using-laser-induced-breakdown-spectroscopy
#2
Anielle Coelho Ranulfi, Renan Arnon Romano, Aida Bebeachibuli Magalhães, Ednaldo José Ferreira, Paulino Ribeiro Villas-Boas, Débora Marcondes Bastos Pereira Milori
Huanglongbing (HLB) is the most recent and destructive bacterial disease of citrus and has no cure yet. A promising alternative to conventional methods is to use laser-induced breakdown spectroscopy (LIBS), a multi-elemental analytical technique, to identify the nutritional changes provoked by the disease to the citrus leaves and associate the mineral composition profile with its health status. The leaves were collected from adult citrus trees and identified by visual inspection as healthy, HLB-symptomatic, and HLB-asymptomatic...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28444796/determination-of-volatile-flavour-profiles-of-citrus-spp-fruits-by-sde-gc-ms-and-enantiomeric-composition-of-chiral-compounds-by-mdgc-ms
#3
Joon Ho Hong, Naeem Khan, Nargis Jamila, Young Shin Hong, Eun Yeong Nho, Ji Yeon Choi, Cheong Mi Lee, Kyong Su Kim
INTRODUCTION: Citrus fruits are known to have characteristic enantiomeric key compounds biosynthesised by highly stereoselective enzymatic mechanisms. In the past, evaluation of the enantiomeric ratios of chiral compounds in fruits has been applied as an effective indicator of adulteration by the addition of synthetic compounds or natural components of different botanical origin. OBJECTIVE: To analyse the volatile flavour compounds of Citrus junos Sieb. ex Tanaka (yuzu), Citrus limon BURM...
April 25, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28444322/fumigant-activity-of-sweet-orange-essential-oil-fractions-against-red-imported-fire-ants-hymenoptera-formicidae
#4
Wei Hu, Ning Zhang, Hongli Chen, Balian Zhong, Aixue Yang, Fan Kuang, Zhigang Ouyang, Jiong Chun
Sweet orange oil fractions were prepared by molecular distillation of cold-pressed orange oil from sample A (Citrus sinensis (L.) 'Hamlin' from America) and sample B (Citrus sinensis Osbeck 'Newhall' from China) respectively, and their fumigant activities against medium workers of red imported fire ants (Solenopsis invicta Buren) were investigated. The volatile composition of the orange oil fractions was identified and quantified using GC-MS. Fractions from sample A (A1, A2, and A3) contained 23, 37, and 48 chemical constituents, and fractions from sample B (B1, B2, and B3) contained 18, 29, and 26 chemical constituents, respectively...
April 21, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28441782/deep-sequencing-analysis-of-rnas-from-citrus-plants-grown-in-a-citrus-sudden-death-affected-area-reveals-diverse-known-and-putative-novel-viruses
#5
Emilyn E Matsumura, Helvecio D Coletta-Filho, Shahideh Nouri, Bryce W Falk, Luca Nerva, Tiago S Oliveira, Silvia O Dorta, Marcos A Machado
Citrus sudden death (CSD) has caused the death of approximately four million orange trees in a very important citrus region in Brazil. Although its etiology is still not completely clear, symptoms and distribution of affected plants indicate a viral disease. In a search for viruses associated with CSD, we have performed a comparative high-throughput sequencing analysis of the transcriptome and small RNAs from CSD-symptomatic and -asymptomatic plants using the Illumina platform. The data revealed mixed infections that included Citrus tristeza virus (CTV) as the most predominant virus, followed by the Citrus sudden death-associated virus (CSDaV), Citrus endogenous pararetrovirus (CitPRV) and two putative novel viruses tentatively named Citrus jingmen-like virus (CJLV), and Citrus virga-like virus (CVLV)...
April 24, 2017: Viruses
https://www.readbyqxmd.com/read/28435032/clinical-efficacy-of-1-year-intensive-systematic-dietary-manipulation-as-complementary-and-alternative-medicine-therapies-on-female-interstitial-cystitis-bladder-pain-syndrome-patients
#6
Hitoshi Oh-Oka
OBJECTIVE: To evaluate the clinical efficacy of intensive systematic dietary manipulation (ISDM) for female patients with interstitial cystitis (IC)/bladder pain syndrome (BPS) in stable condition who were followed in our hospital. MATERIALS AND METHODS: In cooperation with the nutrition control team, we created a basic IC/BPS diet menu for 1 month. Data regarding daily food intake and food-related symptoms were collected by detailed interview of each patient, we set meal menu to control IC/BPS symptoms and advised the patients to reduce the intake of specific food items to the maximum possible extent...
April 20, 2017: Urology
https://www.readbyqxmd.com/read/28431332/sperm-morphology-of-the-leafhopper-diaphorina-citri-kuwayama-hemiptera-sternorrhyncha-psylloidea-liviidae
#7
Marcelo Silva Barcellos, Jamile Fernanda Silva Cossolin, Glenda Dias, José Lino-Neto
In this study, by using light and electron microscopy, we describe the sperm morphology of the leafhopper Diaphorina citri, a serious pest of citrus throughout the world. In this species the sperm measures 538.49±8.75μm in length, and as observed in psylloids, the sperm, when manipulated, opens into two filaments, one of which is attached to the nuclear base and the other becomes free. Along the flagellum, and only of it, there are lateral projections, about 2μm in length. Furthermore, at the end of the flagellum three appendages, with approximately 7μm in length, are observed...
April 8, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28428840/an-internet-based-platform-for-the-estimation-of-outcrossing-potential-between-cultivated-and-chilean-vascular-plants
#8
Pablo Cid, Carlos Aguirre, Miguel Ángel Sánchez, Daniel Zamorano, Maritza Mihoc, Erika Salazar, Gustavo Chacón, Humberto Navarrete, Marcelo Rosas, Humberto Prieto
A national-scale study of outcrossing potential within Chilean vascular flora was conducted using an upgraded algorithm, which adds parameters such as pollinator agents, climate, and geographic conditions. Datasets were organized and linked in a Web platform (www.flujogenico.cl), in which the development of a total outcrossing potential (TOP) predictor was formulated. The TOP predictor is the engine in the Web platform, which models the effect of a type of agricultural practice on others (coexistence calculation mode) and on the environment (biodiversity calculation mode)...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28428304/complete-genome-sequence-of-spiroplasma-citri-strain-r8-a2-t-causal-agent-of-stubborn-disease-in-citrus-species
#9
Robert E Davis, Jonathan Shao, Yan Zhao, Gail E Gasparich, Brady J Gaynor, Nicole Donofrio
Spiroplasma citri causes stubborn disease in Citrus spp. and diseases in other plants. Here, we report the nucleotide sequence of the 1,599,709-bp circular chromosome and two plasmids of S. citri strain R8-A2(T) This information will facilitate analyses to understand spiroplasmal pathogenicity and evolutionary adaptations to lifestyles in plants and arthropod hosts.
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28428007/identification-and-characterization-of-two-rna-silencing-suppressors-encoded-by-ophioviruses
#10
Gabriel Robles Luna, Carina A Reyes, Eduardo J Peña, Eliana Ocolotobiche, Cecilia Baeza, Maria Belén Borniego, Richard Kormelink, María Laura García
Citrus psorosis virus and Mirafiori lettuce big-vein virus are two members of the genus Ophiovirus, family Ophioviridae. So far, how these viruses can interfere in the antiviral RNA silencing pathway is not known. In this study, using a local GFP silencing assay on Nicotiana benthamiana, the 24K-25K and the movement protein (MP) of both viruses were identified as RNA silencing suppressor proteins. Upon their co-expression with GFP in N. benthamiana 16c plants, the proteins also showed to suppress systemic RNA (GFP) silencing...
April 17, 2017: Virus Research
https://www.readbyqxmd.com/read/28426676/economic-injury-levels-for-asian-citrus-psyllid-control-in-process-oranges-from-mature-trees-with-high-incidence-of-huanglongbing
#11
Cesar Monzo, Philip A Stansly
The Asian citrus psyllid (ACP), Diaphorina citri Kuwayama, is the key pest of citrus wherever it occurs due to its role as vector of huanglongbing (HLB) also known as citrus greening disease. Insecticidal vector control is considered to be the primary strategy for HLB management and is typically intense owing to the severity of this disease. While this approach slows spread and also decreases severity of HLB once the disease is established, economic viability of increasingly frequent sprays is uncertain. Lacking until now were studies evaluating the optimum frequency of insecticide applications to mature trees during the growing season under conditions of high HLB incidence...
2017: PloS One
https://www.readbyqxmd.com/read/28422054/growth-inhibition-of-sulfate-reducing-bacteria-in-produced-water-from-the-petroleum-industry-using-essential-oils
#12
Pamella Macedo de Souza, Fátima Regina de Vasconcelos Goulart, Joana Montezano Marques, Humberto Ribeiro Bizzo, Arie Fitzgerald Blank, Claudia Groposo, Maíra Paula de Sousa, Vanessa Vólaro, Celuta Sales Alviano, Daniela Sales Alviano Moreno, Lucy Seldin
Strategies for the control of sulfate-reducing bacteria (SRB) in the oil industry involve the use of high concentrations of biocides, but these may induce bacterial resistance and/or be harmful to public health and the environment. Essential oils (EO) produced by plants inhibit the growth of different microorganisms and are a possible alternative for controlling SRB. We aimed to characterize the bacterial community of produced water obtained from a Brazilian petroleum facility using molecular methods, as well as to evaluate the antimicrobial activity of EO from different plants and their major components against Desulfovibrio alaskensis NCIMB 13491 and against SRB growth directly in the produced water...
April 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28420125/bioavailable-citrus-sinensis-extract-polyphenolic-composition-and-biological-activity
#13
Giacomo Pepe, Francesco Pagano, Simona Adesso, Eduardo Sommella, Carmine Ostacolo, Michele Manfra, Marcello Chieppa, Marina Sala, Mariateresa Russo, Stefania Marzocco, Pietro Campiglia
Citrus plants contain large amounts of flavonoids with beneficial effects on human health. In the present study, the antioxidant and anti-inflammatory potential of bioavailable polyphenols from Citrus sinensis was evaluated in vitro and ex vivo, using the murine macrophages cell line J774A.1 and primary peritoneal macrophages. Following simulated gastro-intestinal digestion, the in vitro bioavailability of Citrus sinensis polyphenolic extract was assessed using the human cell line Caco-2 grown as monolayers on a transwell membrane...
April 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28420101/the-effect-of-citrus-essential-oils-and-their-constituents-on-growth-of-xanthomonas-citri-subsp-citri
#14
Hossein Mirzaei-Najafgholi, Saeed Tarighi, Morteza Golmohammadi, Parissa Taheri
Citrus bacterial canker (CBC) caused by Xanthomonas citri subsp. citri (Xcc), is the most devastating of the citrus diseases worldwide. During our study, we found that Essential oils (EOs) of some citrus cultivars are effective on Xcc. Therefore, it prompted us to determine the plant metabolites responsible for the antibacterial properties. We obtained EOs from some locally cultivated citrus by using a Clevenger apparatus and their major constituents were identified by gas chromatography/mass spectrometry (GC-MS)...
April 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28419475/fruit-and-vegetable-intake-and-prostate-cancer-risk-in-the-european-prospective-investigation-into-cancer-and-nutrition-epic
#15
Aurora Perez-Cornago, Ruth C Travis, Paul N Appleby, Konstantinos K Tsilidis, Anne Tjønneland, Anja Olsen, Kim Overvad, Verena Katzke, Tilman Kühn, Antonia Trichopoulou, Eleni Peppa, Maria Kritikou, Sabina Sieri, Domenico Palli, Carlotta Sacerdote, Rosario Tumino, H Bas Bueno-de-Mesquita, Antonio Agudo, Nerea Larrañaga, Elena Molina-Portillo, Eva Ardanaz, Maria-Dolores Chirlaque, Cristina Lasheras, Pär Stattin, Maria Wennberg, Isabel Drake, Johan Malm, Julie A Schmidt, Kay-Tee Khaw, Marc Gunter, Heinz Freisling, Inge Huybrechts, Dagfinn Aune, Amanda J Cross, Elio Riboli, Timothy J Key
Several dietary factors have been studied in relation to prostate cancer; however, most studies have not reported on subtypes of fruit and vegetables or tumor characteristics, and results obtained so far are inconclusive. This study aimed to examine the prospective association of total and subtypes of fruit and vegetable intake with the incidence of prostate cancer overall, by grade and stage of disease, and prostate cancer death. Lifestyle information for 142,239 men participating in the European Prospective Investigation into Cancer and Nutrition from 8 European countries was collected at baseline...
April 17, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28418002/immune-tissue-print-and-immune-capture-pcr-for-diagnosis-and-detection-of-candidatus-liberibacter-asiaticus
#16
Fang Ding, Cristina Paul, Ron Brlansky, John S Hartung
'Candidatus Liberibacter asiaticus' (CaLas), associated with citrus Huanglongbing (HLB), is a non culturable member of the α-proteobacteria. In this study serologically based methods for the detection of CaLas were developed. An anti-outer membrane protein A (OmpA) polyclonal antibody previously produced (in our laboratory) was highly effective for the detection of CaLas from citrus tissues in a simple tissue printing format. The antibody was also used to capture bacteria from periwinkle extracts. About 80% of all field samples analyzed tested positive with both immune tissue printing and qPCR; whereas 95% were positive with at least one of these two methods...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28417249/virus-vector-relationship-in-the-citrus-leprosis-pathosystem
#17
Aline Daniele Tassi, Laura Cristina Garita-Salazar, Lilian Amorim, Valdenice Moreira Novelli, Juliana Freitas-Astúa, Carl C Childers, Elliot W Kitajima
Citrus leprosis has been one of the most destructive diseases of citrus in the Americas. In the last decade important progress has been achieved such as the complete genome sequencing of its main causal agent, Citrus leprosis virus C (CiLV-C), belonging to a new genus Cilevirus. It is transmitted by Brevipalpus yothersi Baker (Acari: Tenuipalpidae), and is characterized by the localized symptoms it induces on the leaves, fruits and stems. It occurs in the American continents from Mexico to Argentina. The virus was until recently considered restricted to Citrus spp...
April 17, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28416860/characterization-of-phenolic-profile-and-antioxidant-capacity-of-different-fruit-part-from-lemon-citrus-limon-burm-cultivars
#18
Wanpeng Xi, Juanfang Lu, Junping Qun, Bining Jiao
Phenolic composition and antioxidant capacity of different fruit part including peel, pulp, juice, whole fruit and seed from five lemon cultivars (Feiminailao, Cuningmeng Limeng, Pangdelusaningmeng, Beijingningmeng) were investigated. Caffeic acid (9.31-741.4 μg/g FW) and chlorogenic acid (2.7-527.5 μg/g FW) were the dominant phenolic acid in fruit tested, Pangdelusaningmeng (PD) and Limeng peels with the highest contents, respectively. Hesperidin was the predominant flavanone (10.27-3315 μg/g FW), Cuningmeng (CN) peels with the highest level...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28414793/radiosensitizing-effect-of-diosmetin-on-radioresistant-lung-cancer-cells-via-akt-signaling-pathway
#19
Zhijie Xu, Yuanliang Yan, Lingfang Xiao, Shuang Dai, Shuangshuang Zeng, Long Qian, Lin Wang, Xue Yang, Yi Xiao, Zhicheng Gong
Radiotherapy is a powerful tool in the treatment of cancer that has the advantage of preserving normal tissues. However, tumor radioresistance currently remains a major impediment to effective RT. Thus, exploring effective radiation sensitizers is urgently needed. In this study, we have shown that diosmetin, the aglycone of the lavonoid glycoside from olive leaves, citrus fruits and some medicinal herbs, has a promising effect on radiotherapy sensitization. In our results, DIO could induce G1 phase arrest and thus enhance the radiosensitivity of radioresistant A549/IR lung cancer cells...
2017: PloS One
https://www.readbyqxmd.com/read/28412402/flavonoid-composition-of-orange-peel-extract-ameliorates-alcohol-induced-tight-junction-dysfunction-in-caco-2-monolayer
#20
Xiu-Min Chen, David D Kitts
Dry citrus peels, also known as "chenpi", have been traditionally used to treat and relieve intestinal inflammation. Recently we have reported that orange peel extracts (OPE) which contain relatively greater polymethoxylated flavone (PMF) content exhibit superior antioxidant and anti-inflammatory activities in vitro. Moreover, these bioactivities were notably greater than an equivalent flavonoid mixture (FM). The present study compares the effects of different OPE sources with distinct PMF composition on tight junction (TJ) dysfunction induced by ethanol...
April 12, 2017: Food and Chemical Toxicology
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