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https://www.readbyqxmd.com/read/29350256/analysis-of-phenolic-compounds-in-different-parts-of-pomegranate-punica-granatum-fruit-by-hplc-pda-esi-ms-and-evaluation-of-their-antioxidant-activity-application-to-different-italian-varieties
#1
Marina Russo, Chiara Fanali, Giusy Tripodo, Paola Dugo, Rosario Muleo, Laura Dugo, Laura De Gara, Luigi Mondello
The analysis of pomegranate phenolic compounds belonging to different classes in different fruit parts was performed by high-performance liquid chromatography coupled with photodiode array and mass spectrometry detection. Two different separation methods were optimized for the analysis of anthocyanins and hydrolyzable tannins along with phenolic acids and flavonoids. Two C18 columns, core-shell and fully porous particle stationary phases, were used. The parameters for separation of phenolic compounds were optimized considering chromatographic resolution and analysis time...
January 19, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29330852/characteristics-and-intestinal-immunomodulating-activities-of-water-soluble-pectic-polysaccharides-from-chenpi-with-different-storage-periods
#2
Changcheng Tian, Xu Hui, Jing Li, Zhuo Han
BACKGROUND: Traditional view considers that the long-term stored Chenpi (dried citrus peel) has better health efficacies as compared with the fresh Chenpi, but the detailed mechanism remains obscure. RESULTS: The three water-soluble pectic polysaccharides (CPP1, CPP5 and CPP10) were obtained from one-year, five-year and ten-year Chenpi, respectively, and their physicochemical characteristics and intestinal immunomodulating activities were investigated and compared...
January 13, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29329862/active-compounds-antioxidant-activity-and-%C3%AE-glucosidase-inhibitory-activity-of-different-varieties-of-chaenomeles-fruits
#3
Jing Miao, Xia Li, Chengcheng Zhao, Xiaoxiao Gao, Ying Wang, Wenyuan Gao
Chaenomeles is an important source for food industry in China, and its planting area is expanding year by year. This study was conducted to evaluate different varieties of Chaenomeles by comparing the chemical compositions, antioxidant activity and α-glucosidase inhibitory activity of peels and fleshes from twelve varieties of Chaenomeles. In the results, peels of Chaenomeles contain more phenolics, flavonoids and triterpenes, and show better antioxidant activity and α-glucosidase inhibitory activity than their fleshes...
May 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287442/thermosonication-process-for-optimal-functional-properties-in-carrot-juice-containing-orange-peel-and-pulp-extracts
#4
Oladipupo Q Adiamo, Kashif Ghafoor, Fahad Al-Juhaimi, Elfadil E Babiker, Isam A Mohamed Ahmed
Aqueous extracts of orange peel and pulp with high total phenolic contents (TPC) (25.94 and 11.38 mg GAE/g extracts, respectively) were employed in the formulation of functional carrot juice and functional juices were treated using thermosonication process. In accordance with Box-Behnken design, 17 runs with 3 variables and 3 levels was applied for the optimization of the carrot juice with peel (CJPL) and pulp (CJPP) extracts. Overlaid contour plots prediction showed that the optimal conditions for CJPL were 125 mL juice volume, 6...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287435/determination-of-free-esterified-glycosylated-and-insoluble-bound-phenolics-composition-in-the-edible-part-of-araticum-fruit-annona-crassiflora-mart-and-its-by-products-by-hplc-esi-ms-ms
#5
Henrique Silvano Arruda, Gustavo Araujo Pereira, Damila Rodrigues de Morais, Marcos Nogueira Eberlin, Glaucia Maria Pastore
Phenolics present in the free, esterified, glycosylated and insoluble-bound forms of araticum pulp, peel and seed were for the first time characterized and quantified using HPLC-ESI-MS/MS. Levels of total phenolics, flavonoids, condensed tannins and antioxidant activities from araticum fruit followed the order peel > pulp > seed. Overall, insoluble-bound and esterified phenolics were the dominant forms of phenolics from araticum fruit parts and the highest contributors to their antioxidant activities...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287430/comprehensive-identification-of-bioactive-compounds-of-avocado-peel-by-liquid-chromatography-coupled-to-ultra-high-definition-accurate-mass-q-tof
#6
Jorge G Figueroa, Isabel Borrás-Linares, Jesús Lozano-Sánchez, Antonio Segura-Carretero
Industrially the avocado pulp is exploited principally as oil and paste, generating a huge quantity of peel and seed as by-products. Avocado peel is a promising inexpensive candidate for recovery phenolic compounds. The aim of this work was to identify the bioactive compounds present in an extract of avocado peel obtained by a green extraction technique. Accelerated solvent extraction was performed using water and ethanol as extraction solvents. Liquid chromatography coupled to ultra-high-definition accurate-mass spectrometry was used in order to identify the bioactive compounds...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29279953/chemical-peeling-with-a-modified-phenol-formula-for-the-treatment-of-facial-freckles-on-asian-skin
#7
Hua-Feng Sun, Hai-Shan Lu, Le-Qi Sun, Wei-Dong Ping, Dong-Sheng Mao, Dan Li
BACKGROUND: Chemical peeling is an efficient method for the treatment of pigment disorders. For freckles, medium-depth to deep peeling using a phenol solution is one of the most effective chemical peels, and modifications of facial skin can be observed up to 20 years after peeling. However, applying phenol to the skin may cause serious side effects. Phenol peeling has been rarely used in Asia due to its tendency to cause permanent pigmentary changes and hypertrophic scars. METHODS: In total, 896 Chinese inpatients with facial freckles were enrolled in this study...
December 26, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29236677/a-chemometrics-approach-for-nuclear-magnetic-resonance-data-to-characterize-the-partial-metabolome-banana-peels-from-southern-brazil
#8
Sara Cardoso, Marcelo Maraschin, Luiz Augusto Martins Peruch, Miguel Rocha, Aline Pereira
Banana peels are well recognized as a source of important bioactive compounds, such as phenolics, carotenoids, biogenic amines, among others. As such, they have recently started to be used for industrial purposes. However, its composition seems to be strongly affected by biotic or abiotic ecological factors. Thus, this study aimed to investigate banana peels chemical composition, not only to get insights on eventual metabolic changes caused by the seasons, in southern Brazil, but also to identify the most relevant metabolites for these processes...
December 13, 2017: Journal of Integrative Bioinformatics
https://www.readbyqxmd.com/read/29224349/identification-and-quantification-of-active-components-in-osmanthus-fragrans-fruits-by-hplc-esi-ms-ms
#9
Xiaoyan Liao, Fangli Hu, Zilin Chen
Ripe O. fragrans fruit is composed of purple peels, green pulps and light brown seeds. Since the biological effects such as antioxidative activities and platelet-aggregation inhibition are related to the phenolic compounds and flavonoids in O. fragrans fruits, these components have a great potential as functional food ingredient. In the work, active components in O. fragrans fruits extraction were investigated by HPLC-ESI-MS/MS. A total of twenty-eight compounds were identified and sixteen components were first discovered in O...
December 9, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29210029/photoacoustic-spectroscopy-applied-to-the-direct-detection-of-bioactive-compounds-in-agaricus-brasiliensis-mycelium
#10
Fernando Maia de Oliveira, João Benhur Mokochinski, Yohandra Reyes Torres, Herta Stutz Dalla Santa, Pedro Pablo González-Borrero
This paper describes the application of the photoacoustic spectroscopic (PAS) for detection of bioactive compounds in Agaricus brasiliensis mycelium. The mycelium was cultivated by solid-state fermentation and by submerged fermentation. Vegetal residues from food industry were used as substrates for fermentation: apple pomace (Malus domestica), wheat (Triticum aestivum), peel and pomace of pineapple (Ananas comosus), malt (Hordeum vulgare) and grape pomace (Vitis vinifera). Dry and ground samples of biomass were directly put into the PA cell...
December 5, 2017: Journal of Biological Physics
https://www.readbyqxmd.com/read/29195990/extraction-of-bioactive-compounds-from-genipap-genipa-americana-l-by-pressurized-ethanol-iridoids-phenolic-content-and-antioxidant-activity
#11
Grazielle Náthia-Neves, Adriana Gadioli Tarone, Milena Martelli Tosi, Mário Roberto Maróstica Júnior, M Angela A Meireles
The search for compounds with functional properties from natural sources has grown in recent years as people have developed healthier habits. Therefore, the aim of this study was to evaluate the extraction of bioactive compounds from various parts of unripe genipap fruit (Genipa americana L.) by using pressurized ethanol to verify which part of the fruit provides the greatest recovery of the iridoids genipin and geniposide. Two process variables were studied: temperature (50 and 80°C) and pressure (2, 12 and 20 bar)...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29184219/quality-and-biochemical-changes-of-hindi-besennara-mangoes-during-shelf-life-as-affected-by-chitosan-gallic-acid-and-chitosan-gallate
#12
Mohamed A Awad, Adel D Al-Qurashi, Saleh A Mohamed, Reda M El-Shishtawy
Quality and biochemical changes of 'Hindi-Besennara' mangoes in response to chitosan, gallic acid (GA) and chitosan gallate (CG) postharvest dipping were studied during 2 weeks of storage at 20 ± 2 °C and 60-70% RH. Both GA and CG lowered decay and weight loss during storage. Chitosan and GA at high level and CG at both level maintained higher membrane stability index of peel than control. Fruits treated only CG and GA at high level and chitosan at both levels retained higher acidity and vitamin C but lower pH and total soluble solids (TSS) than control...
December 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29129982/antioxidant-capacity-and-major-phenol-compounds-of-horticultural-plant-materials-not-usually-used
#13
Stina C M Burri, Anders Ekholm, Åsa Håkansson, Eva Tornberg, Kimmo Rumpunen
Horticultural plant materials not usually used from onion, carrot, beetroot, sea buckthorn, black and red currants as well as a wastewater powder from olive oil production were analyzed for total phenols content (FC), ferric reducing ability of plasma (FRAP), radical scavenging capacity (ABTS), and for major phenolic compounds by HPLC-MS. Antioxidant capacity and phenol content varied significantly between species and cultivars, with extracts of sea buckthorn leaves being superior. In different species, different phenolic compounds were closely associated with FRAP, ABTS and FC...
November 2017: Journal of Functional Foods
https://www.readbyqxmd.com/read/29106302/comparative-study-on-the-effects-of-apple-peel-polyphenols-and-apple-flesh-polyphenols-on-cardiovascular-risk-factors-in-mice
#14
Jia Tian, Xiaoyan Wu, Moyang Zhang, Zhongyi Zhou, Yingfeng Liu
Apple consumption has been demonstrated to be associated with reduced risk of cardiovascular disease, and the beneficial effect is probably due to the polyphenols in apple. Here, we for the first time evaluated and compared the in vivo effects of the polyphenolic extracts of apple peels (PAP) and apple fleshes (PAF) on blood pressure, vascular endothelial function, lipid metabolism and insulin resistance. A high-fat and high-fructose (HFHF) diet was used to cause cardiovascular disorders in mice, with blood pressure, serum ET-1, TC, TG, LDL-C, glucose and insulin levels increased, and serum NO and HDL-C levels decreased...
November 6, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29105630/a-hepatonephro-protective-phenolic-rich-extract-from-red-onion-allium-cepa-l-peels
#15
Atallah F Ahmed, Hanan M Al-Yousef, Jawaher H Al-Qahtani, Mansour S Al-Said
Onion peel is a common bio-waste, occasionally used in traditional medicine in treatment of liver ailment and inflammation. However, a phytochemical and biological study is further required to provide the scientific evidence for this use. A phenolic-rich extract of red onion peels (coded as ACPE) was primarily prepared and then subjected to chromatographic separation. From the extract, six phenolic antioxidant compounds along with two phytosterols were isolated and identified by means of spectroscopic (NMR and MS) analyses...
September 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29081821/flavonoid-composition-and-biological-activities-of-ethanol-extracts-of-caryocar-coriaceum-wittm-a-native-plant-from-caatinga-biome
#16
Daniela Ribeiro Alves, Selene Maia de Morais, Fernanda Tomiotto-Pellissier, Milena Menegazzo Miranda-Sapla, Fábio Roger Vasconcelos, Isaac Neto Goes da Silva, Halisson Araujo de Sousa, João Paulo Assolini, Ivete Conchon-Costa, Wander Rogério Pavanelli, Francisco das Chagas Oliveira Freire
Caryocar coriaceum fruits, found in Brazilian Cerrado and Caatinga, are commonly used as food and in folk medicine, as anti-inflammatory, bactericide, fungicide, leishmanicide, and nematicide. Due to the biological potential of this plant, this study focuses on the evaluation of antifungal and antileishmanial activities, including anticholinesterase and antioxidant tests, correlating with total phenols and flavonoids content. Peel extracts contain higher yield of phenols and flavonoids as analyzed by spectrophotometric methods...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29077632/air-safety-and-personal-protective-equipment-for-phenol-croton-oil-peels
#17
Carlos G Wambier, Flávio L Beltrame
No abstract text is available yet for this article.
October 26, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29073777/neuroprotective-effects-of-orientin-on-oxygen-glucose-deprivation-reperfusion-induced-cell-injury-in-primary-culture-of-rat-cortical-neurons
#18
Tian Tian, Junan Zeng, Guangyu Zhao, Wenjing Zhao, Songyi Gao, Li Liu
Orientin (luteolin-8-C-glucoside) is a phenolic compound found abundantly in millet, juice, and peel of passion fruit and has been shown to have antioxidant properties. In the present study, we explored the effects of orientin on oxygen-glucose deprivation/reperfusion (OGD/RP)-induced cell injury in primary culture of rat cortical neurons using an in vitro model of neonatal ischemic brain injury. The reduced cell viability and elevated lactate dehydrogenase leakage were observed after OGD/RP exposure, which were then reversed by orientin (10, 20, and 30 µM) pretreatment in a dose-dependent manner...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29063625/effect-of-phenolic-compounds-on-the-growth-of-selected-probiotic-and-pathogenic-bacteria
#19
R Pacheco-Ordaz, A Wall-Medrano, M G Goñi, G Ramos-Clamont-Montfort, J F Ayala-Zavala, G A González-Aguilar
Fruit extracts from different tissues (pulp, seed and peel) have shown antimicrobial and prebiotic activities related to their phenolic profile, although structure-specific evaluations have not been reported yet. The effect of five phenolic compounds (catechin and gallic, vanillic, ferulic, and protocatechuic acids) identified in different fruits, particularly in mango, was evaluated on the growth of two probiotic [Lactobacillus rhamnosus GG ATCC 53103 and L. acidophilus NRRLB 4495] and two pathogenic [Escherichia coli 0157:H7 ATCC 43890 and Salmonella enterica serovar Typhimurium ATCC 14028] bacteria...
October 24, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/29039333/antioxidant-antibacterial-and-antiproliferative-activities-of-pumpkin-cucurbit-peel-and-puree-extracts-an-in-vitro-study
#20
Muhammad Asif, Syed Ali Raza Naqvi, Tauqir A Sherazi, Matloob Ahmad, Ameer Fawad Zahoor, Sohail Anjum Shahzad, Zaib Hussain, Hassan Mahmood, Nasir Mahmood
Natural resources right from the beginning of the human civilization has paved the way to human being to combat different challenges. The big challenge was to safe the human being from diseases and shortage of food. Plants helped the man in both areas very efficiently. No doubt when plants are used as food actually we are also taking lot of compounds of medicinal values in an excellent combination which naturally reduce the risk of diseases. Extraction and purification of several medicinally important compounds also gave the way to develop pharmaceutical industry in addition to its own therapeutic effects against different lethal diseases...
July 2017: Pakistan Journal of Pharmaceutical Sciences
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