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Acne grape

Sabine Kuntz, Clemens Kunz, Eugen Domann, Nora Würdemann, Franziska Unger, Andreas Römpp, Silvia Rudloff
The anti-inflammatory effects of anthocyanins (ACNs) on vascular functions are discussed controversially because of their low bioavailability. This study was performed to determine whether microorganism (MO)-fermented ACNs influence vascular inflammation in vitro. Therefore, MO growth media were supplemented with an ACN-rich grape/berry extract and growth responses of Escherichia coli, E. faecalis and H. alvei, as well as ACN fermentation were observed. MO supernatants were used for measuring the anti-inflammatory effect of MO-fermented ACNs in an epithelial-endothelial co-culture transwell system...
2016: Nutrients
Sabine Kuntz, Silvia Rudloff, Heike Asseburg, Christian Borsch, Bettina Fröhling, Franziska Unger, Sebastian Dold, Bernhard Spengler, Andreas Römpp, Clemens Kunz
The goal of eating five servings of fruits and vegetables a day has not yet been achieved. The intake of polyphenols such as anthocyanins (ACN) could be improved by consuming smoothies and juices that are increasingly popular, especially in children; however, bioavailability data concerning food matrix effects are scarce. Thus, we conducted a randomised, cross-over, bioavailability study (n 10) to determine the bioavailability of ACN and their metabolites from an ACN-rich grape/blueberry juice (841 mg ACN/litre) and smoothie (983 mg ACN/litre) in vivo, and the uptake of a corresponding grape/blueberry extract in vitro...
April 14, 2015: British Journal of Nutrition
Sabine Kuntz, Heike Asseburg, Sebastian Dold, Andreas Römpp, Bettina Fröhling, Clemens Kunz, Silvia Rudloff
BACKGROUND: Anthocyanins (ACNs) are the most prevalent flavonoids in berries and their health promoting effects on vascular functions are still discussed. The aim of the present study was to identify the anti-inflammatory effect of ACNs on activated human umbilical vein endothelial cells (HUVECs) after their transport across an epithelial monolayer. STUDY DESIGN: We established a transwell epithelial-endothelial co-culture system with Caco-2/HT29-B6 cells mimicking the intestinal layer and HUVECs as endothelial cells mimicking the vascular layer...
April 2015: Food & Function
A Sharif, N Akhtar, M S Khan, A Menaa, B Menaa, B A Khan, F Menaa
BACKGROUND: Vitis vinifera 'muscat hamburg' (Vitaceae) is a blue-black grape variety commonly found in Pakistan. It has been consumed and used in traditional medicine for centuries. Compared to other grapes, M. hamburg records one of the greatest amount of polyphenols and displays potent antioxidant activities, which make it a great candidate for its exploitation in the development of stable cream emulsions destined to improve the skin appearance. OBJECTIVE: Evaluate the effects of stable water-in-oil (W/O) emulsion containing 2% M...
April 2015: International Journal of Cosmetic Science
Keren Bindon, Stella Kassara, Yoji Hayasaka, Alex Schulkin, Paul Smith
To explore the effect of tannin composition on pigment formation, model ferments of purified 3-O-monoglucoside anthocyanins (ACN) were conducted either alone or in the presence of two different tannins. Tannins were isolated from grape seeds (Sd) or skins (Sk) following exhaustive extraction in 70% v/v acetone. The Sd and Sk tannin fractions had a mean degree of polymerization of 5.2 and 25.6, respectively. The Sd fraction was highly galloylated, at 22%, but galloylation was <2% in the Sk fraction. The Sk fraction was distinguished by a high proportion of prodelphinidin, at 58%...
November 26, 2014: Journal of Agricultural and Food Chemistry
Joseph Caspermeyer
No abstract text is available yet for this article.
May 2014: Molecular Biology and Evolution
Gabriella Fabbrocini, Stefania Staibano, Giuseppe De Rosa, Valeria Battimiello, Nunzio Fardella, Gennaro Ilardi, Maria Immacolata La Rotonda, Amelia Longobardi, Marialuisa Mazzella, Maria Siano, Francesco Pastore, Valerio De Vita, Maria Luisa Vecchione, Fabio Ayala
BACKGROUND: Acne vulgaris is a complex, chronic, and common skin disorder of pilosebaceous units. The major pathogenic factors involved are ductal hyperkeratinization, obstruction of sebaceous follicles resulting from abnormal keratinization of the infundibular epithelium, stimulation of sebaceous gland secretion by androgens, and microbial colonization of pilosebaceous units by Propionibacterium acnes, which promotes perifollicular inflammation. AIM: The aim of the study was to investigate the therapeutic effects of resveratrol, a natural phytoalexin produced by some spermatophytes, such as grapes and other plants, on acneic skin...
April 1, 2011: American Journal of Clinical Dermatology
Ronald L Prior, Xianli Wu, Liwei Gu, Tiffany Hager, Aaron Hager, Sam Wilkes, Luke Howard
Male C57BL/6 mice received diets with either 10% of kcal from fat, or a high fat diet [45% (HF45) or 60% (HF60) kcal from fat]. Diets were prepared with or without freeze-dried powders (10%) from whole blueberries (BB), strawberries (SB), Concord grape or black raspberry. In the 2nd study, purified anthocyanins (ACNs) from SB or BB were added to the drinking water of the treatments fed the HF60 diet. In Study 1, serum triglycerides were increased by feeding the HF45 diet but were elevated further when black raspberry or BB was included in the HF45 diet...
November 2009: Molecular Nutrition & Food Research
Pilar Viñas, Nerea Aguinaga, Natalia Campillo, Manuel Hernández-Córdoba
The present study compares two new sample preparation methods, stir bar sorptive extraction (SBSE) and membrane-assisted solvent extraction (MASE) coupled to the novel technique of ultra-performance liquid chromatography (UPLC) for the sensitive, selective and solvent-free determination of six oxazole fungicide residues (hymexazol, drazoxolon, vinclozolin, chlozolinate, oxadixyl and famoxadone) in wine and juices. The analytes were separated on a rapid resolution C(18) column (50 mm x 4.6 mm, I.D., 1.8 microm) thermostated at 50 degrees C with isocratic elution using a 50/50 (v/v) water/acetonitrile (ACN) mobile phase at a flow-rate of 1 mL min(-1) and detected by diode-array detection (DAD)...
June 20, 2008: Journal of Chromatography. A
S Darshan, R Doreswamy
Patents secured on antiinflammatory plant drugs derived from 38 plants are reviewed. An attempt has been made to compare the modern and traditional use of plant drugs and to establish the relevance of folk claims in developing modern drugs. The role of plant botanicals such as polysaccharides, terpenes, curcuminoids, alkaloids, etc. in alleviating inflammatory diseases including arthritis, rheumatism, acne skin allergy and ulcers is highlighted. Chemicals that alleviate swelling are derived from plants including grape, boswellia, turmeric, devil's claw and some essential oils such as clove, eucalyptus, rosemary, lavender, mint, myrrh, millefolia and pine have been patented and used as mixed formulations...
May 2004: Phytotherapy Research: PTR
Alan M Dattner
Plant-based therapeutic preparations are cyclically returning to complement dermatologic therapy. They serve as therapeutic alternatives, safer choices, or in some cases, as the only effective treatment. Folk medicine tradition provides different indicators for use than the medical disease model. Advantages of multiple synergistic components of crude extracts are discussed, as well as herbs already used in dermatology. Bitter digestive stimulants are used for vitiligo. Bioflavinoids from buckwheat and horse chestnut are used for varicose veins, and silymarin is used for liver protection...
2003: Dermatologic Therapy
S A McCurdy, P Wiggins, M B Schenker, S Munn, A M Shaieb, Z Weinbaum, D Goldsmith, S T McGillis, B Berman, S Samuels
We conducted a cross-sectional investigation to determine whether table grape harvesters, who have significant cutaneous contact with crop-associated materials that may cause skin disease, are more likely to develop dermatitis than are a control group of tomato workers performing mechanical harvesting with minimal cutaneous contact with crop-associated substances. A secondary aim was to develop methods for studying skin disease in farm workers, including a standard questionnaire and physical examination. California table grape workers (n = 183) and tomato workers (n = 43) completed an interviewer-administered questionnaire and waist-up physical examination at their work site during harvest operations...
1989: American Journal of Industrial Medicine
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