Rich in nutrients
Though used in small amounts, lemon peel is nutrient-rich. One tablespoon (about 6 g) provides approximately 3 kcal, one gram of carbohydrate, one gram of fiber, and nearly 9% of the daily vitamin C requirement. Lemon peel also contains small amounts of calcium, potassium, magnesium, and notably, D-limonene - a compound responsible for the citrus aroma and a beneficial antioxidant.
Protects oral health
Lemon peel can protect oral health. Dental cavities and gum diseases often stem from the overgrowth of bacteria, particularly Streptococcus mutans. Lemon peel contains natural antimicrobial compounds that inhibit the proliferation of these harmful microorganisms. Extracts or essential oils from lemon peel can help limit bacteria in the oral cavity, contributing to the prevention of gingivitis and maintaining fresh breath. When used at appropriate concentrations, this effect can be more pronounced, supporting natural oral care.
Rich in antioxidants
Antioxidants protect cells from free radical damage, which causes aging and many man tinh diseases. Lemon peel is rich in flavonoids, vitamin C, and D-limonene. Research indicates lemon peel has stronger antioxidant activity than grapefruit or tangerine peel. D-limonene is linked to a reduced risk of cardiovascular disease and type 2 diabetes.
Antibacterial and antifungal properties
Lemon peel's antibacterial effects extend beyond the oral cavity, inhibiting certain fungi that cause skin infections. Using lemon peel is considered a natural option to help prevent infections.
Boosts immunity
Rich in vitamin C and flavonoids, lemon peel supports immunity by stimulating the body to produce white blood cells that fight bacteria and virus. Adequate vitamin C intake from natural sources can help reduce the severity and duration of colds. Therefore, adding lemon peel to tea or meals is a simple way to enhance resistance.
Promotes cardiovascular health and cholesterol control
Cardiovascular disease is a leading cause of death globally. Compounds in lemon peel, such as pectin (a soluble fiber), vitamin C, and flavonoids, can improve cardiovascular markers by reducing cholesterol, controlling blood pressure, lowering triglycerides, and increasing good cholesterol (HDL) levels.
Helps prevent cancer
Lemon peel contains compounds that can help prevent cancer. Flavonoids and vitamin C contribute to protecting DNA from mutations, while D-limonene shows positive effects in destroying stomach cancer cells.
Reduces gallstone symptoms
Gallstones are crystallized masses that form in the gallbladder, causing pain and discomfort. Some studies indicate that D-limonene in lemon peel can help dissolve cholesterol gallstones.
Versatile in cooking and beauty
Beyond health benefits, lemon peel has daily uses. Soaking lemon peel in vinegar creates a natural cleaning solution, deodorizing and cleaning surfaces. It can also clean metals or be combined with sugar and olive oil as an exfoliant, helping to brighten and smooth skin.
To maximize the benefits of lemon peel, proper cleaning is essential, as the surface may contain pesticides or a preservative wax. Prioritize organic lemons or wash them thoroughly with salt water and baking soda before use. Lemon peel can be grated and sprinkled onto dishes, frozen for later use, or dried to make tea or spice.
Lemon peel can still cause irritation in individuals with sensitive skin, especially when applied directly to the skin and exposed to sunlight. Therefore, use it in moderation and monitor your body's reaction.
Bao Bao (According to Healthline)
