Aloe vera (gel)

 
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Other Botanical Names: Aloe barbadensis

Common Name: Aloe

Family: Aloaceae

Parts used: Gel (the clear, inner mucilaginous part of the plant). It is completely different from the latex.

Constituents: Polysaccharides (glucomannan) are anti-inflammatory, antipruritic (anti-itching), and a vulnerary. The constituents aloctin A and aloe-emodin appear to be immunomodulating.

Taste/smell: Gel by itself is pleasant tasting

Tendencies: Cooling, drying, stimulating

Actions

  • Vulnerary

  • Emollient

  • Antipruritic

  • Anti-inflammatory

  • Demulcent

  • Immunomodulating

  • Anti-atherosclerotic

  • Anti-diabetic

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Uses

Topical Vulnerary and Emollient:

  • 1st- to 2nd-degree burns

  • Frostbite

  • Skin wounds, including diabetic wounds

  • Skin ulcers

Topical Antiprutitic:

  • Pruritic (itchy) skin

Internal Anti-inflammatory, Demulcent, and Vulnerary:

  • Gastritis

  • Inflammatory bowel diseases (IBD) like ulcerative colitis or Crohn’s disease

  • Peptic and duodenal ulcers

Immunomodulating:

  • Interstitial or infectious cystitis

  • Urinary tract infections (UTIs)

Anti-atherosclerotic:

  • Hypercholesterolemia

Anti-Diabetic:

  • Type 2 diabetes mellitus

Complementary Adjuncts

  • Improves rate of healing occurs when it was applied locally with polyethylene oxide over dermabrasion, compared with standard polyethylene oxide gel wound dressing

  • Improves the anti-inflammatory effect of hydrocortisone acetate cream when it is used as a vehicle for topical application to skin inflammation

Contraindications

  • 3rd-degree burns

  • Deep or infected wounds

  • Surgical wounds

  • Allergic hypersensitivity to aloe

Adverse Effects

  • Cramping and diarrhea from internal use

Toxicity

  • Extremely safe as a gel (not latex part)

  • May delay healing of severe burns or deep, surgical wounds

Interactions

  • Theoretically, polysaccharides may reduce the absorption of many agents if taken simultaneously

  • Increases the hypoglycemic effects of glyburide (glibenclamide) due to its antihyperglycemic activity

References:

Brinker, Francis J. Herbal Contraindications and Drug Interactions plus: Herbal Adjuncts with Medicines. Eclectic Medical Publications, 2010.

Chithra et al., Influence of Aloe vera on the Healing of Dermal Wound in Diabetic Rats. Journal of Ethnopharmacology, 1998;59: 195-201.

Heggers, Kucukcelebi, Stbenau et. al. Wound Healing Effects of Aloe Gel and other Topical Antibacterial Agents on Rat Skin, Phytotherapy Research. 1995;9;6: 455-457.

Kaufmann, Taylor. NPLEX II Study Guide. Wild Brilliance Press, 2019.

Lawrence Review of Natural Products, Aloe, April 1992.

Lun, Vincent, et al. Core Knowledge for NPLEX 2. 1st ed., Marano Publishing Incorporated, 2014.

Marciano, Marisa, and Nikita A. Vizniak. Evidence Informed Botanical Medicine. Professional Health Systems Inc., 2015.

Sherman, John. The Complete Botanical Prescriber. Four Seasons Pub.

Skenderi, Gazmend. Herbal Vade Mecum: 800 Herbs, Spices, Essential Oils, Lipids, Etc., Constituents, Properties, Uses, and Caution. Herbacy Press, 2004.

Tilgner, Sharol. Herbal Medicine: From the Heart of the Earth. Wise Acres, 2020.