aloin a/aloe vera

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Determination of Aloin A and Aloin B in Aloe vera Raw Materials and Finished Products by High-Performance Liquid Chromatography: Single-Laboratory Validation.

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A single-laboratory validation (SLV) was conducted on an HPLC method for the detection and quantification of aloin A and aloin B in Aloe vera raw materials and finished products. An extraction procedure using sonication with an acidified solvent was used for solid test materials while liquid test

Evaluation of anti-infective potencies of formulated aloin A ointment and aloin A isolated from Aloe barbadensis Miller.

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Introduction

Isolated bioactive components of plants or their raw extract are utilized as complementary or alternate remedy in copious illnesses. The current research was aimed at assessing the activity of aloin A isolated from Aloe barbadensis Miller and its formulated

Isolation and identification of phosphate solubilizing bacteria able to enhance the growth and aloin-A biosynthesis of Aloe barbadensis Miller.

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The effect of four phosphate solubilizing bacteria (PSB) was studied on growth and aloin-A content of Aloe barbadensis in soil containing tricalcium phosphate (TCP). PSB were identified based on 16S rRNA gene sequencing as Pseudomonas synxantha, Burkholderia gladioli, Enterobacter hormaechei and

From the Cover: Aloin, a Component of the Aloe Vera Plant Leaf, Induces Pathological Changes and Modulates the Composition of Microbiota in the Large Intestines of F344/N Male Rats.

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In a previous study, the oral administration of an Aloe vera whole leaf extract induced dose-related mucosal and goblet cell hyperplasia in the rat colon after 13 weeks and colon cancer after 2 years. The primary goal of this study was to determine whether or not the administration of aloin, a

Quantitative Analysis of Aloins and Aloin-Emodin in Aloe Vera Raw Materials and Finished Products Using High-Performance Liquid Chromatography: Single-Laboratory Validation, First Action 2016.09.

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A single-laboratory validation study is described for a method of quantitative analysis of aloins (aloins A and B) and aloe-emodin in aloe vera raw materials and finished products. This method used HPLC coupled with UV detection at 380 nm for the aloins and 430 nm for aloe-emodin. The advantage of

Quantitative determination of aloin, antioxidant activity and toxicity of Aloe vera leaf gel products from Greece

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Background: Aloe vera is a popular medicinal plant used widely by the cosmetic, pharmaceutical and food industry. The A. vera leaf gel which is used mostly for its positive effects on human health contains over 75 different bioactive

Effects of highly purified anthraquinoid compounds from Aloe vera on sensitive and multidrug resistant leukemia cells.

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Folk medicine has attributed antitumor properties to preparations from Aloe vera. We have studied the effects of five purified compounds from the plant on human K562 leukemia and on its multidrug resistant (MDR) variant, K562/R. The glycosides aloin A and B, aloesin and aloeresin were devoid of

Aloe vera and Honey Solution and Their Ethanolic Extraction Solution Could Act on Metastasis-Regulating Processes in Walker 256 Tumor Tissues In Vivo?

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Research has shown that both Aloe vera and honey have anticancer and nutrition properties, including the inhibition of metastasis. In order to evaluate the effect of a solution of Aloe vera and honey (A) and their ethanolic fraction (F) on metastasis-regulating processes in primary

Natural phosphodiesterase-4 inhibitors from the leaf skin of Aloe barbadensis Miller.

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The ethanolic extract of Aloe barbadensis Miller leaf skin showed inhibitory activity against phosphodiesterase-4D (PDE4D), which is a therapeutic target of inflammatory disease. Subsequent bioassay-guided fractionation led to the isolation of two new anthrones, 6'-O-acetyl-aloin B (9) and

Hypotensive effect of chemical constituents from Aloe barbadensis.

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Hypotensive effects of aloeemodin, aloin A, elgonica dimer A and bisbenzopyran from Aloe barbadensis have been studied. Aloeemodin has emerged as a potent hypotensive agent in current pharmacological investigations and caused 26 %, 52 %, and 79 % falls in mean arterial blood pressure at the

Mass spectrometry-based metabolite profiling and antioxidant activity of Aloe vera ( Aloe barbadensis Miller) in different growth stages.

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Metabolite profiling of four different-sized Aloe vera plants was performed using gas chromatography-ion trap-mass spectrometry (GC-IT-MS) and ultra performance liquid chromatography-quadrupole-time of flight-mass spectrometry (UPLC-Q-TOF-MS) with multivariate analysis. Amino acids, sugars, and

Phenolic constituents in dried flowers of aloe vera (Aloe barbadensis) and their in vitro antioxidative capacity.

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The dried flowers from Aloe vera (L.) Burm. f. (Aloe barbadensis Mill.) (Asphodelaceae) were analysed by means of HPLC-DAD and HPLC-MS/MS, verifying chlorogenic, caffeic, 5-P-coumaroylquinic, caffeoylshikimic, 5-feruloylquinic, 5-P-CIS-coumaroylquinic, P-coumaric and ferulic acid as well as

Quality control of Aloe vera (Aloe barbadensis) and Aloe ferox using band-selective quantitative heteronuclear single quantum correlation spectroscopy (bs-qHSQC).

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In the present study, band-selective quantitative heteronuclear single quantum correlation spectroscopy (bs-qHSQC) was applied for the quality control of the two Aloe species present in the European Pharmacopeia. After development and validation of a complete spectral range (csr-) qHSQC assay, a

An investigation of the inhibitory mechanism of α-glucosidase by chysalodin from Aloe vera.

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The aim of our study is to provide new type skeleton of α-glucosidase inhibitor from food source. A new 6'-O-(E)-cinnamoyl-7-methoxy-aloin A (1) was isolated from Aloe vera. Also, known chysalodin (2) was the first report for A. vera. These structures were identified with based on HR-ESI Mass and

Aloin suppresses lipopolysaccharide‑induced inflammation by inhibiting JAK1‑STAT1/3 activation and ROS production in RAW264.7 cells.

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The anti‑inflammatory effects of aloin, a bioactive ingredient extracted from Aloe vera, have been described previously. The present study aimed to assess these effects and explore the underlying molecular mechanisms. RAW264.7 cells were incubated with different doses of aloin (100, 150 and 200

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