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    Aloin
    Aloin
    Information
    CAS No. 8015-61-0 Price
    Catalog No.CFN96950Purity>=98%
    Molecular Weight418.39Type of CompoundAnthraquinones
    FormulaC21H22O9Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison
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    Aloin Description
    Source: The leaf juice of Aloe microdonta. Chiov.
    Biological Activity or Inhibitors: 1. Aloin shows tyrosinase activity, it could be used as lightening agents in the treatment of hyperpigmentation disorders and cosmetic additives.
    2. Aloe components (aloin, aloesin and aloe-gel) show anti-inflammatory effects, they can ameliorate intestinal inflammatory responses in a dextran sulfate sodium (DSS)-induced ulcerative colitis rat model.
    3. Aloin is a potent proapoptotic agent, it showed a pronounced antiproliferative effect at physiological concentration (IC50 = 97 microM), caused cell cycle arrest in the S phase and markedly increased HeLaS3 cell apoptosis (to 24%).
    Solvent: 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.
    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.
    Aloin References Information
    Citation [1]

    Chin Med J (Engl). 2002 Dec;115(12):1859-62.

    Aloin, cinnamic acid and sophorcarpidine are potent inhibitors of tyrosinase.[Pubmed: 12622939]
    To evaluate the effects of Aloin, cinnamic acid and 15 other kinds of natural chemicals on the activity of tyrosinase, in order to provide lightening agents in the treatment of hyperpigmentation disorders and cosmetic additives. METHODS: Tyrosinase activity was estimated by measuring the oxidation rate of L-dopa. Inhibition of the enzyme was deduced according to the Lineweaver-Burk plots compared to the control. RESULTS: Cadabine, paeonal, farrerol, evodin, cinnamic acid, Aloin and sophorcarpidine had different levels of inhibition of tyrosinase. The inhibitory rates of cinnamic acid (2 mmol/L, 0.5 mmol/L), Aloin (2 mmol/L) and the rest were significantly higher than that of hydroquinone (0.5 mmol/L) (P < 0.05). CONCLUSIONS: Tyrosinase activity can be greatly inhibited by cinnamic acid, Aloin and sophorcarpidine, of which sophorcarpidine functions as an uncompetitive inhibitor, compared to Aloin and cinnamic acid, which are mixed-type inhibitors.
    Citation [2]

    Life Sci. 2011 Mar 14;88(11-12):486-92.

    Dietary aloin, aloesin, or aloe-gel exerts anti-inflammatory activity in a rat colitis model.[Pubmed: 21277867 ]
    Aloe has been a very popular folk remedy for inflammation-related pathological conditions despite the lack of studies reporting its efficacy in vivo. The present study evaluated the anti-inflammatory effects of aloe components (Aloin, aloesin and aloe-gel) known to be biologically active in the rat model of colitis. MAIN METHODS: Male Sprague Dawley rats were fed experimental diets for 2 weeks before and during the induction of colitis. Drinking water containing 3% dextran sulfate sodium (DSS) was provided for 1 week to induce colitis. At the end of the experimental period, clinical and biochemical markers were compared. KEY FINDINGS: Plasma leukotriene B(4) (LTB(4)) and tumor necrosis factor-α (TNF-α) concentrations were significantly decreased in all groups supplemented with aloe components compared to the colitis control group (p<0.05). Animals fed both a 0.1% and 0.5% aloesin supplemented diet showed colonic myeloperoxidase (MPO) activities which were decreased by 32.2% and 40.1%, respectively (p<0.05). Colonic mucosa TNF-α and interleukin-1ß (IL-1β) mRNA expressions were significantly reduced in all animals fed Aloin, aloesin, or aloe-gel (p<0.05). SIGNIFICANCE: Dietary supplementation of aloe components ameliorates intestinal inflammatory responses in a DSS-induced ulcerative colitis rat model. In particular, aloesin was the most potent inhibitor. Further studies are required for a more complete understanding of the specific mechanism of the action of these supplements.
    Citation [3]

    Cancer Biol Ther. 2007 Aug;6(8):1200-5.

    Antitumor effects of a natural anthracycline analog (Aloin) involve altered activity of antioxidant enzymes in HeLaS3 cells.[Pubmed: 17726368]
    The antiproliferative and cytotoxic potential of the natural anthracycline Aloin from Aloe vera was tested on human uterine carcinoma HeLaS3 cells. Aloin showed a pronounced antiproliferative effect at physiological concentration (IC50 = 97 microM), caused cell cycle arrest in the S phase and markedly increased HeLaS3 cell apoptosis (to 24%). In the concentration range of 20-100 microM, its action was accompanied by remarkable changes in the activity of almost all antioxidant enzymes: MnSOD activity was increased many fold, while CuZnSOD and iNOS activities were inhibited. Moreover, inhibition of CuZnSOD was shown to occur by direct Aloin interaction with the enzyme. As catalase activity was not changed, it is suggested that such conditions were responsible for antiproliferative and cytotoxic effects owing to accumulation of H2O2. Aloin alone was a more potent proapoptotic agent than a 2 Gy fractional dose of ionizing radiation or a combination of the two. Compared to other currently used therapeutics, Aloin, due to its less undesirable side effects and antimetastatic potential, may prove to be the agent of choice on which clinical protocols for the treatment of human cervical carcinoma should rely in future.