Oranges are popular for their sweet taste and high vitamin content. However, the peel, often discarded, contains many nutrients, sometimes surpassing the pulp.
A tablespoon (about 6 g) of orange peel provides 14% of the daily value (DV) for vitamin C, nearly gap ba lan that of the same amount of pulp. It also contains fiber, gap 4 lan the amount found in the segments. Additionally, it supplies micronutrients: calcium, folate, B vitamins (B6, thiamine, riboflavin), and provitamin A. These nutrients are essential for boosting immunity, supporting metabolism, and maintaining overall health.
Good for gut health
One notable benefit of orange peel is its support for gut health. Its high fiber content, especially pectin (a soluble fiber), slows digestion and aids bowel movements, resulting in softer, easier-to-pass stool. Orange peel also contains prebiotics, which nourish beneficial bacteria in the digestive system. A balanced gut microbiome leads to improved digestion, more efficient nutrient absorption, and a reduced risk of inflammation. Adults should consume 25-35 g of fiber daily, and adding a small amount of orange peel can help meet this goal.
Reduces risk of chronic diseases
Orange peel contains high levels of beneficial plant compounds, particularly polyphenols—a group of powerful antioxidants. The total polyphenol content in orange peel is even higher than in the pulp. Some polyphenols in orange peel include hesperidin and polymethoxyflavones (PMF). Researchers are studying these for their anti-inflammatory and cancer-preventive properties. This part of the orange also contains limonene, a compound that makes up most of the orange peel's essential oil. Limonene has anti-inflammatory potential and may protect the body against certain cancers, including skin cancer. Due to these compounds, moderate consumption of orange peel may reduce the risk of diseases such as type 2 diabetes, obesity, and age-related cognitive decline.
Daily hydration and nutrition
Beyond the pulp, orange peel also contains a significant amount of water. By consuming grated orange peel, you can add hydration to your body, helping to meet daily fluid needs. This is a simple way to stay hydrated, especially in hot, humid weather.
Important considerations
Pesticide residues: Orange peels may contain more pesticides than the pulp due to direct exposure to the external environment. Long-term, large consumption could impact health. Therefore, choose safe products and wash them thoroughly under water (preferably warm water) before use.
Digestibility issues: Due to its tough texture and high fiber content, orange peel can cause bloating, abdominal distension, or discomfort if eaten in excess or in large pieces.
Bitter taste: Unlike the juicy pulp, orange peel has a bitter and dry taste, which many people find difficult to get used to.
Despite its rich nutritional profile, orange peel should be consumed properly and in moderation. It can be grated and added to salads, smoothies, or used in jams, sauces, and marinades to enhance flavor. Always use small amounts and wash thoroughly before preparation to ensure safety.
Bao Bao (According to Healthline, Verywell Health)