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Aloin A
Aloin A
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Aloin A
Price: $30 / 20mg
CAS No.: 1415-73-2
Catalog No.: CFN99943
Molecular Formula: C21H22O9
Molecular Weight: 418.39 g/mol
Purity: >=98%
Type of Compound: Anthraquinones
Physical Desc.: Yellow powder
Source: The herbs of Aloe vera L.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison (Web)  (SDF)
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* Packaging according to customer requirements(5mg, 10mg, 20mg and more). We shipped via FedEx, DHL, UPS, EMS and others courier.
According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / $12.7 / In-stock
Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Plants containing aloin A, aloe emodin, and structurally related anthraquinones have long been used as traditional medicines and in the formulation of retail products such as laxatives, dietary supplements, and cosmetics; however, topically applied aloe emodin increases the sensitivity of skin to UV light, although aloin A is not directly photocytotoxic, but human skin fibroblasts can metabolize aloin A to aloe emodin. Aloin A and aloe emodin have antibacterial activity against Gram-positive and Gram-negative bacteria.
Targets: Antifection
In vitro:
Free Radic Biol Med. 2003 Jan 15;34(2):233-42.
In vitro studies on the photobiological properties of aloe emodin and aloin A.[Pubmed: 12521605]
Plants containing Aloin A, aloe emodin, and structurally related anthraquinones have long been used as traditional medicines and in the formulation of retail products such as laxatives, dietary supplements, and cosmetics. Since a recent study indicated that topically applied aloe emodin increases the sensitivity of skin to UV light, we examined the events following photoexcitation of Aloin A and aloe emodin.
METHODS AND RESULTS:
We determined that incubation of human skin fibroblasts with 20 microM aloe emodin for 18 h followed by irradiation with UV or visible light resulted in significant photocytotoxicity. This photocytotoxicity was accompanied by oxidative damage in both cellular DNA and RNA. In contrast, no photocytotoxicity was observed following incubation with up to 500 microM Aloin A and irradiation with UVA light. In an attempt to explain the different photobiological properties of Aloin A and aloe emodin, laser flash photolysis experiments were performed. We determined that the triplet state of aloe emodin was readily formed following photoexcitation. However, no transient intermediates were formed following photoexcitation of Aloin A. Therefore, generation of reactive oxygen species and oxidative damage after irradiation of Aloin A is unlikely.
CONCLUSIONS:
Although Aloin A was not directly photocytotoxic, we found that human skin fibroblasts can metabolize Aloin A to aloe emodin.
Nat Prod Commun. 2014 Jul;9(7):949-52.
A new antimicrobial anthrone from the leaf latex of Aloe trichosantha.[Pubmed: 25230501]

METHODS AND RESULTS:
Phytochemical investigation of the leaf latex of Aloe trichosantha by preparative TLC gave two closely related anthrones, Aloin A/B (1) and aloin-6'-O-acetate A/B (2). The identity of the compounds was established from HRESI-MS, 1H, 13C, DEPT, HMQC and HMBC spectral and chemical data. Whilst Aloin A/B occurs in several Aloe species, aloin-6'-O-acetate A/B was isolated for the first time.
CONCLUSIONS:
The isolated compounds inhibited growth of several bacterial and fungal pathogens with minimum inhibitory concentration (MIC) from 10 to 400 microg/mL and 800 to 1000 microg/mL, respectively.
Aloin A Description
Source: The herbs of Aloe vera L.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.3901 mL 11.9506 mL 23.9011 mL 47.8023 mL 59.7529 mL
5 mM 0.478 mL 2.3901 mL 4.7802 mL 9.5605 mL 11.9506 mL
10 mM 0.239 mL 1.1951 mL 2.3901 mL 4.7802 mL 5.9753 mL
50 mM 0.0478 mL 0.239 mL 0.478 mL 0.956 mL 1.1951 mL
100 mM 0.0239 mL 0.1195 mL 0.239 mL 0.478 mL 0.5975 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Structure Identification:
J AOAC Int. 2014 Sep-Oct;97(5):1323-8.
Determination of Aloin A and Aloin B in Aloe vera Raw Materials and Finished Products by High-Performance Liquid Chromatography: Single-Laboratory Validation.[Pubmed: 25902982]
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.
METHODS AND RESULTS:
An extraction procedure using sonication with an acidified solvent was used for solid test materials while liquid test materials only required dilution, if necessary, prior to filtration and analysis. Separation was achieved using a fused core C18 column in 18 min under isocratic elution conditions allowing for a single analyte (Aloin A) calibration curve to quantify both aloins. Adequate chromatographic resolution (Rs ≥ 1) was achieved for Aloin A and aloin B. The calibration curves for Aloin A exhibited coefficients of determination (r(2)) of ≥ 99.9% over the linear range of 0.3-50 μg/mL. The LOD values were 0.092 and 0.087 μg/mL, and LOQ 0.23 and 0.21 μg/mL for Aloin A and aloin B, respectively. Repeatability studies were performed on nine test materials on each of 3 separate days, with five of the test materials determined to be above the LOQ having repeatability RSD (RSDr) values ranging from 0.61 to 6.30%. Method accuracy was determined through a spike recovery study on both liquid and solid matrixes at three different levels: low, medium, and high. For both aloins, the recovery in the liquid matrix ranged from 92.7 to 106.3% with an RSDr of 0.15 to 4.30%, while for the solid matrix, the recovery ranged from 84.4 to 108.9% with an RSDr of 0.23 to 3.84%.
CONCLUSIONS:
Based on the results of the SLV study, it is recommended that this method be evaluated for reproducibility through a collaborative study.
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(+)-Sophoranol

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