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https://www.readbyqxmd.com/read/28098452/a-perspective-on-crocus-sativus-l-saffron-constituent-corcin-a-potent-water-soluble-antioxidant-and-potential-therapy-for-alzheimer-s-disease
#1
John W Finley, Song Gao
Alzheimer's Disease (AD) is the most common form of dementia in which the death of brain cells causes memory loss and cognitive decline. Several factors are thought to play roles in the development and course of AD. Existing medical therapies only alleviate and delay cognitive symptoms. Current research has been focused on developing antibodies to remove the targets of β-amyloid (Aβ) and tau protein. This approach has achieved removal of A, however, no long term success to AD patients reported. The biological properties of saffron, the dry stigma of the plant Crocus sativus L...
January 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28097042/the-relaxant-activity-of-safranal-in-isolated-rat-aortas-is-mediated-predominantly-via-an-endothelium-independent-mechanism-vasodilatory-mechanism-of-safranal
#2
Bibi Marjan Razavi, Mojtaba Alipoor Amanloo, Mohsen Imenshahidi, Hossein Hosseinzadeh
OBJECTIVES: Safranal is a pharmacologically active component of saffron and is responsible for the unique aroma of saffron. The hypotensive effect of safranal has been shown in previous studies. This study evaluates the mechanism for the vasodilatory effects induced by safranal on isolated rat aortas. METHODS: To study the vasodilatory effects of safranal (0.2, 0.4 and 0.8 mM), we contracted isolated rat thoracic aorta rings by using 10(-6)-M phenylephrine (PE) or 80-mM KCl...
December 2016: Journal of Pharmacopuncture
https://www.readbyqxmd.com/read/28078246/the-effects-of-crocin-insulin-and-their-co-administration-on-the-heart-function-and-pathology-in-streptozotocin-induced-diabetic-rats
#3
Amir Abbas Farshid, Esmaeal Tamaddonfard, Masoumeh Moradi-Arzeloo, Navideh Mirzakhani
OBJECTIVE: Crocin is a saffron constituent with a potent anti-oxidant activity. The present study investigated the effects of crocin and insulin treatments (alone or in combination) on cardiac function and pathology in diabetic rats. MATERIALS AND METHODS: Diabetes was induced by intraperitoneal (i.p.) injection of streptozotocin (STZ, 50 mg/kg). Thereafter, crocin (5, 10 and 20 mg/kg, i.p.), subcutaneous (s.c.) injection of insulin (4 IU/kg) and their combination were administered for eight weeks...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28078242/saffron-omics-the-challenges-of-integrating-omic-technologies
#4
REVIEW
Sameera Sastry Panchangam, Maryam Vahedi, Mohankumar Janardhan Megha, Anuj Kumar, Kaamini Raithatha, Raithatha Suravajhala, Pratap Reddy
Saffron is one of the highly exotic spices known for traditional values and antiquity. It is used for home décor besides serving as a colorant flavor and is widely known for medicinal value. Over the last few years, saffron has garnered a lot of interest due to its anti-cancer, anti-mutagenic, anti-oxidant and immunomodulatory properties. Integration of systems biology approaches with wide applications of saffron remains a growing challenge as new techniques and methods advance. Keeping in view of the dearth of a review summarizing the omics and systems biology of saffron, we bring an outline on advancements in integrating omic technologies, the medicinal plant has seen in recent times...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28076854/open-angle-glaucoma-drug-development-pipeline-during-the-last-20-years-1995-2015
#5
André Vicente, Sylvie Prud'homme, Joana Ferreira, Luís Abegão Pinto, Ingeborg Stalmans
OBJECTIVES: To analyse drug development for open-angle glaucoma during the last 20 years. METHODS: Research was performed by referring to clinical trials registered at the International Clinical Trials Registry Platform (ICTRP). A search for the condition "open-angle glaucoma" with the intervention "drug" was performed. We included trials registered from 01/01/1995 to 01/01/2015, only involving studies in phases 1, 2, and 3. Only studies resorting to novel treatment strategies (either novel drugs or yet-untested fixed associations of approved medication) were considered...
January 12, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28071013/the-industrial-potential-of-herbs-and-spices-a-mini-review
#6
Katarzyna B Leja, Katarzyna Czaczyk
Herbs and spices have been used for food and medicinal purposes for centuries - the first recorded evidence of their use dates back to 1500BC and the Ebers Papyrus, which mentioned spices such as anise, mustard, saffron, cinnamon, and cassia. Now, in the 21st century, a variety of secondary compounds produced by plants are used in many fields of industry, such as food production (to improve taste, to provide vitamins and macro- and microelements, and also to inhibit food spoilage caused by foodborne bacteria), in medicine (in the treatment of various diseases; in chemoprevention and cancer therapy; as a source of natural antimicrobials for the treatment of infectious disease), and in pharmacology and cosmetology (in dietary supplements, and as a result of the demand for preservative-free cosmetics, to reduce the risk of methylparaben allergies)...
October 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28045431/unraveling-massive-crocins-transport-and-accumulation-through-proteome-and-microscopy-tools-during-the-development-of-saffron-stigma
#7
Lourdes Gómez-Gómez, Verónica Parra-Vega, Alba Rivas-Sendra, Jose M Seguí-Simarro, Rosa Victoria Molina, Claudia Pallotti, Ángela Rubio-Moraga, Gianfranco Diretto, Alicia Prieto, Oussama Ahrazem
Crocins, the glucosides of crocetin, are present at high concentrations in saffron stigmas and accumulate in the vacuole. However, the biogenesis of the saffron chromoplast, the changes during the development of the stigma and the transport of crocins to the vacuole, are processes that remain poorly understood. We studied the process of chromoplast differentiation in saffron throughout stigma development by means of transmission electron microscopy. Our results provided an overview of a massive transport of crocins to the vacuole in the later developmental stages, when electron dense drops of a much greater size than plastoglobules (here defined "crocinoplast") were observed in the chromoplast, connected to the vacuole with a subsequent transfer of these large globules inside the vacuole...
January 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28030614/identification-and-cloning-of-differentially-expressed-soul-and-elip-genes-in-saffron-stigmas-using-a-subtractive-hybridization-approach
#8
Oussama Ahrazem, Javier Argandoña, Raquel Castillo, Ángela Rubio-Moraga, Lourdes Gómez-Gómez
Using a subtractive hybridization approach, differentially expressed genes involved in the light response in saffron stigmas were identified. Twenty-two differentially expressed transcript-derived fragments were cloned and sequenced. Two of them were highly induced by light and had sequence similarity to early inducible proteins (ELIP) and SOUL heme-binding proteins. Using these sequences, we searched for other family members expressed in saffron stigma. ELIP and SOUL are represented by small gene families in saffron, with four and five members, respectively...
2016: PloS One
https://www.readbyqxmd.com/read/28030380/potential-anticancer-role-of-colchicine-based-derivatives-an-overview
#9
Ashok Kumar, Parduman R Sharma, Dilip M Mondhe
Colchicine, the main alkaloid of the poisonous plant meadow saffron (Colchicum autumnale L.), is a classical drug used for the treatment of gout and familial Mediterranean fever. Although colchicine is not clinically used to treat cancer because of toxicity, it exerts antiproliferative effects through the inhibition of microtubule formation by blocking the cell cycle at the G2/M phase and triggering apoptosis. Colchicine can still be used as a lead compound for the generation of potential anticancer drugs. Thus, numerous analogues of colchicine have been synthesized in the hope of developing novel, useful drugs with more favourable pharmacological profiles...
December 27, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28025553/special-issue-saffron-crocus-sativus-l-omics-and-other-techniques-in-authenticity-quality-and-bioactivity-studies
#10
EDITORIAL
Maria Tsimidou, Petros A Tarantilis
n/a.
December 23, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27999238/the-effect-of-safranal-on-th1-th2-cytokine-balance
#11
Reza Feyzi, Mohammad Hossein Boskabady, Seyedeh Masoumeh Seyedhosseini Tamijani, Houshang Rafatpanah, Seyed Abdolrahim Rezaei
BACKGROUND: Several biological and medical benefits of Saffron, Crocus sativus (Iridaceae), have been demonstrated. However, mechanisms of actions for purified constituents are greatly unknown. OBJECTIVE: To examine the effects of Safranal, a main constituent of Saffron stigma, on cell viability and cytokine profile of peripheral blood mononuclear cells (PBMC) were examined. METHODS: Effects of Safranal at 0.1, 0.5 and 1 mM concentrations were evaluated on cell viability and production of interleukin 4 (IL-4), IL-10 and interferon-γ (IFN-γ) from non-stimulated and phytohemagglutinin (PHA) stimulated PBMCs, compared to 0...
December 2016: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/27987758/nanostructured-lipid-dispersions-for-topical-administration-of-crocin-a-potent-antioxidant-from-saffron-crocus-sativus-l
#12
Elisabetta Esposito, Markus Drechsler, Paolo Mariani, Anna Maria Panico, Venera Cardile, Lucia Crascì, Federica Carducci, Adriana Carol Eleonora Graziano, Rita Cortesi, Carmelo Puglia
Crocin, a potent antioxidant obtained from saffron, shows anticancer activity in in vivo models. Unfortunately unfavorable physicochemical features compromise its use in topical therapy. The present study describes the preparation and characterization of nanostructured lipid dispersions as drug delivery systems for topical administration of crocin and the evaluation of antioxidant and antiproliferative effects of crocin once encapsulated into nanostructured lipid dispersions. Nanostructured lipid dispersions based on monoolein in mixture with sodium cholate and sodium caseinate have been characterized by cryo-TEM and PCS...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27987119/life-cycle-environmental-impacts-of-saffron-production-in-iran
#13
Majid Khanali, Saeid Shahvarooghi Farahani, Hamidreza Shojaei, Behzad Elhami
Saffron is regarded as an important crop in Iranian agricultural economics that needs to be investigated to produce the environmentally friendlier product. In the present study, saffron production as an important agricultural production system in Iran was evaluated thoroughly from an environmental point of view. Data were collected from saffron farmers in Southern Khorasan province of the country with face-to-face questionnaire method during cropping period of 2013-2014. The system boundary was considered from the production of raw input materials to the harvested saffron...
December 16, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27986289/characterisation-of-chemical-components-for-identifying-historical-chinese-textile-dyes-by-ultra-high-performance-liquid-chromatography-photodiode-array-electrospray-ionisation-mass-spectrometer
#14
Jing Han, Jantien Wanrooij, Maarten van Bommel, Anita Quye
This research makes the first attempt to apply Ultra High Performance Liquid Chromatography (UHPLC) coupled to both Photodiode Array detection (PDA) and Electrospray Ionisation Mass Spectrometer (ESI-MS) to the chemical characterisation of common textile dyes in ancient China. Three different extraction methods, respectively involving dimethyl sulfoxide (DMSO)-oxalic acid, DMSO and hydrochloric acid, are unprecedentedly applied together to achieve an in-depth understanding of the chemical composition of these dyes...
January 6, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27979284/geographical-characterization-by-mae-hplc-and-nir-methodologies-and-carbonic-anhydrase-inhibition-of-saffron-components
#15
Riccardo Nescatelli, Simone Carradori, Federico Marini, Vicky Caponigro, Remo Bucci, Celeste De Monte, Adriano Mollica, Luisa Mannina, Mariangela Ceruso, Claudiu T Supuran, Daniela Secci
A microwave-assisted extraction method was optimised for the recovery of bioactive compounds from Crocus sativus L. stigmas with the use of water/ethanol mixture. HPLC-DAD was employed to evaluate the extraction parameters, in particular, solvent type and volume, and the duration of the procedure. Microwave-assisted extraction enhanced the recovery of the active principles, limiting extraction time and solvent waste. Moreover, NIR experiments were performed in order to compare spectra in pseudo-absorbance of Saffron samples with different geographical origins through the application of the chemometric techniques...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979282/comparative-evaluation-of-an-iso-3632-method-and-an-hplc-dad-method-for-safranal-quantity-determination-in-saffron
#16
M Valle García-Rodríguez, Horacio López-Córcoles, Gonzalo L Alonso, Christos S Pappas, Moschos G Polissiou, Petros A Tarantilis
The aim of this work was a comparison of the ISO 3632 (2011) method and an HPLC-DAD method for safranal quantity determination in saffron. Samples from different origins were analysed by UV-vis according to ISO 3632 (2011) and by HPLC-DAD. Both methods were compared, and there was no correlation between the safranal content obtained by UV-vis and HPLC-DAD. An over-estimation in the UV-vis experiment was observed, which was related to the cis-crocetin esters content, as well as other compounds. The results demonstrated that there was no relationship between ISO quality categories and safranal content using HPLC-DAD...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979187/preparation-of-a-multiple-emulsion-based-on-pectin-whey-protein-complex-for-encapsulation-of-saffron-extract-nanodroplets
#17
Afshin Faridi Esfanjani, Seid Mahdi Jafari, Elham Assadpour
The present study illustrates a simple and practical way to produce an adequate delivery system of bioactive compounds of saffron by protein-polysaccharide complex. Frist, crocin, safranal, and picrocrocin were loaded in nanodroplets (<100nm) by using water in oil (W/O) microemulsions contain 5, and 10% aqueous saffron extract as a dispersed phase. These microemulsions were then covered with whey protein concentrate (WPC)-maltodextrin or WPC-pectin-maltodextrin through water in oil in water (W/O/W) multiple emulsions...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27976237/quality-control-of-saffron-crocus-sativus-l-via-a-novel-hplc-method
#18
K Kuchta, H H Jin, R W Wang, H H He, L Fang, J B Yao
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27976146/development-and-validation-of-a-uplc-method-for-quantifying-trans-crocin-4-and-crocetin-from-saffron-in-plasma-a-pharmacokinetic-study
#19
E Karkoula, N Lemonakis, N Kokras, C Dalla, E Gikas, A L Skaltsounis, A Tsarbopoulos
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27913303/a-mechanistic-target-of-rapamycin-complex-1-2-mtorc1-v-akt-murine-thymoma-viral-oncogene-homolog-1-akt1-cathepsin-h-axis-controls-filaggrin-expression-and-processing-in-skin-a-novel-mechanism-for-skin-barrier-disruption-in-patients-with-atopic-dermatitis
#20
Aishath S Naeem, Cristina Tommasi, Christian Cole, Stuart J Brown, Yanan Zhu, Benjamin Way, Saffron A G Willis Owen, Miriam Moffatt, William O Cookson, John I Harper, Wei-Li Di, Sara J Brown, Thomas Reinheckel, Ryan F L O'Shaughnessy
BACKGROUND: Filaggrin, which is encoded by the filaggrin gene (FLG), is an important component of the skin's barrier to the external environment, and genetic defects in FLG strongly associate with atopic dermatitis (AD). However, not all patients with AD have FLG mutations. OBJECTIVE: We hypothesized that these patients might possess other defects in filaggrin expression and processing contributing to barrier disruption and AD, and therefore we present novel therapeutic targets for this disease...
November 29, 2016: Journal of Allergy and Clinical Immunology
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