While most people enjoy the sweet, juicy flesh of a mango and discard the skin, the peel itself is a nutritional powerhouse. Research has highlighted its rich content of beneficial plant compounds that aid various bodily functions. This often-overlooked part of the fruit is a source of powerful antioxidants and dietary fiber that support everything from heart health to radiant skin.
The Nutritional Profile of Mango Skin
Mango skin is not merely a protective layer; it is loaded with a higher concentration of certain compounds compared to the pulp. The nutritional composition can vary by mango variety and ripeness, but key components remain consistent.
Key Nutrients Found in Mango Peel:
- Polyphenols: Compounds like mangiferin, quercetin, and gallic acid are powerful antioxidants that protect the body's cells.
- Carotenoids: These pigments, including beta-carotene (a precursor to Vitamin A), provide potent antioxidant effects.
- Dietary Fiber: The peel is an excellent source of fiber, containing both soluble and insoluble types crucial for digestive health.
- Vitamins: It provides significant amounts of Vitamin C and Vitamin E, which are essential for immune function and skin health.
- Triterpenes and Triterpenoids: These compounds have demonstrated potential anti-cancer and anti-diabetic properties in studies.
Internal Health Benefits
When properly prepared and consumed, mango skin can contribute to several aspects of internal health.
Supports Heart Health
Several studies have explored mango peel's positive impact on cardiovascular health. The high fiber content and antioxidants, particularly polyphenols, help manage cholesterol levels. Fiber helps reduce the absorption of bad cholesterol (LDL), while antioxidant compounds reduce oxidative stress, a key factor in the development of heart disease.
Assists in Weight Management
Research on overweight subjects consuming mango peel powder demonstrated a reduction in LDL cholesterol, triglycerides, and overall oxidative stress. While not a magic bullet for weight loss, the high fiber content can also help regulate hunger and promote a feeling of fullness, supporting healthy eating habits.
Helps Regulate Blood Sugar
Unlike the sugary pulp, mango skin contains compounds that may possess antidiabetic qualities. Research indicates that extracts from mango peel may help support blood sugar regulation. This makes it a potentially beneficial supplement for those looking to manage glucose levels.
Promotes Digestive Health
The significant dietary fiber in mango peel is a major aid to the digestive system. Fiber adds bulk to stool, promoting regularity and preventing constipation. A healthy gut microbiome, which is supported by dietary fiber, is linked to better overall health and immunity.
External and Skin Care Applications
Beyond internal consumption, mango skin can be repurposed for topical use, offering a range of benefits for skin health.
Offers Anti-Aging and Skin Brightening Effects
The high content of Vitamin C and other antioxidants helps combat free radicals, which are a primary cause of skin aging. By reducing skin cell oxidation, mango skin can help minimize fine lines and wrinkles. Applied as a paste, it can also aid in skin brightening and evening out skin tone.
Fights Acne and Inflammation
Mango peel has natural antibacterial and anti-inflammatory properties, making it beneficial for those with acne-prone or inflamed skin. Vitamin A, also present in the peel, helps regulate oil production, which can reduce breakouts. For sensitive skin, a patch test is always recommended before applying a face mask made with mango peel powder.
Comparison of Mango Peel vs. Pulp Benefits
While the entire mango is nutritious, the peel and pulp offer different benefits due to their varied compositions.
| Feature | Mango Peel | Mango Pulp | 
|---|---|---|
| Antioxidant Content | Higher concentration of polyphenols and carotenoids. | Contains antioxidants, but in lower concentrations than the peel. | 
| Dietary Fiber | Very high content, especially insoluble fiber, which is great for digestion and weight management. | Good source of fiber, but less concentrated than in the peel. | 
| Sugar Content | Low to negligible, making it more suitable for blood sugar regulation. | High in natural sugars, contributing to its sweet taste. | 
| Texture & Taste | Tough, fibrous, and bitter taste; often unpleasant to eat directly. | Sweet, soft, and juicy; the most palatable part of the fruit. | 
| Allergen Risk | Contains urushiol, a potential allergen for sensitive individuals. | Generally low risk, though mango allergies can still occur. | 
| Processing Byproduct | Often discarded as waste, but can be valorized into powder, tea, etc.. | The primary commercial product of the mango fruit. | 
Important Considerations and How to Use Mango Skin
Before attempting to use or consume mango skin, it's essential to be aware of potential drawbacks. Some individuals are sensitive to urushiol, a compound found in mango skin, poison ivy, and poison oak, which can cause an allergic reaction. Conventionally grown mangoes also carry a risk of pesticide residues on the skin. Always opt for organic mangoes and wash them thoroughly before use.
To safely utilize mango skin, consider these methods:
- Smoothies: For internal benefits, blending unpeeled, washed, organic mango slices into a smoothie can help mask the bitter flavor and tough texture.
- Mango Peel Powder: Dried and ground mango skin can be added to recipes like chutneys, baked goods, or seasoning blends.
- Tea Infusion: Steep clean mango peel strips in hot water for a nutritious, antioxidant-rich tea.
- Face Masks: Create a face mask by blending dried, powdered mango skin with yogurt or rose water for exfoliation and skin brightening.
- DIY Scrub: Use powdered mango peel with honey for a gentle, natural exfoliating scrub.
Conclusion
Mango skin, a resource typically discarded as waste, is emerging as a valuable functional food and cosmetic ingredient. Its high concentration of antioxidants, fiber, and potent bioactive compounds provides a range of potential health benefits, from supporting cardiovascular and digestive health to promoting radiant, youthful skin. While its taste and texture may be unappealing for direct consumption, safe and effective methods like blending or drying and grinding into a powder make it accessible. By choosing organic mangoes and properly preparing the skin, we can responsibly harness this underrated byproduct, turning waste into a source of nourishment for both our bodies and the environment.
For more information on the nutraceutical potential of mango peel, one can review the article "Mango Peel: An Eminent Food Source" available from Auctores Journals.