Acerola – Vitamin C, Benefits and Uses
Acerola is a tropical fruit known for having one of the highest natural vitamin C contents of any food. It is widely used as a dietary supplement and in natural medicine.
Wissenswertes über "Acerola"
Acerola is a tropical fruit known for having one of the highest natural vitamin C contents of any food. It is widely used as a dietary supplement and in natural medicine.
What is Acerola?
Acerola (botanical name: Malpighia emarginata), also known as the acerola cherry or Barbados cherry, is a tropical plant native to Central and South America and the Caribbean. Its small, cherry-like fruits are recognized as one of the richest natural sources of vitamin C (ascorbic acid) in the world. A single ripe acerola cherry can contain more vitamin C than an entire orange.
Nutritional Profile and Bioactive Compounds
Acerola has an impressive nutritional profile. In addition to its exceptionally high vitamin C content, the fruit contains a range of other valuable nutrients:
- Vitamin C (ascorbic acid): 1,000–4,500 mg per 100 g of fresh fruit, depending on ripeness
- Vitamin A (beta-carotene)
- B vitamins: particularly thiamine (B1), riboflavin (B2), and niacin (B3)
- Polyphenols and flavonoids: plant compounds with antioxidant activity
- Minerals: calcium, iron, magnesium, and phosphorus
- Anthocyanins: natural pigments with anti-inflammatory properties
Health Benefits and Scientific Evidence
Immune System Support
Vitamin C plays a central role in immune system function. It supports the production and activity of white blood cells and may help reduce the duration and severity of the common cold. The natural vitamin C found in acerola is well absorbed and utilized by the body.
Antioxidant Protection
The antioxidants found in acerola – including vitamin C, polyphenols, and flavonoids – protect cells from oxidative stress caused by free radicals. Oxidative stress has been linked to the development of chronic diseases such as cardiovascular disease and certain types of cancer.
Collagen Synthesis and Skin Health
Vitamin C is essential for the synthesis of collagen, an important structural protein for the skin, connective tissue, bones, and blood vessels. Adequate vitamin C intake from natural sources such as acerola may support skin health and wound healing.
Anti-Inflammatory Effects
Studies suggest that the bioactive compounds in acerola possess anti-inflammatory properties, which may be beneficial in supporting the body against chronic inflammatory processes.
Recommended Intake and Usage
Acerola is available in various forms, including fresh fruit, juice, powder, capsules, and chewable tablets. The World Health Organization (WHO) and most national health authorities recommend a daily vitamin C intake of around 75–110 mg for adults, though individual needs may vary. Acerola supplements can deliver significantly higher amounts depending on concentration – dosage adjustments should be made individually and, where appropriate, in consultation with a healthcare professional.
The tolerable upper intake level (UL) for vitamin C, as established by the European Food Safety Authority (EFSA), is 2,000 mg per day for adults.
Traditional Use
In the traditional medicine of Central and South America, acerola has been used for centuries to strengthen the immune system, treat colds, and promote overall vitality. The fruits were consumed fresh or processed into juices and herbal preparations.
Safety, Side Effects, and Interactions
Acerola is generally considered safe and well-tolerated. However, very high doses of vitamin C may cause the following side effects:
- Digestive discomfort (nausea, diarrhea, stomach cramps)
- Increased risk of kidney stones in genetically predisposed individuals
- Interactions with certain medications (e.g., blood thinners such as warfarin)
Individuals with a known sensitivity to acerola or other plants from the Malpighiaceae family should avoid acerola products. Pregnant and breastfeeding women should consult a healthcare professional before taking dietary supplements containing acerola.
References
- Prakash, A. & Baskaran, R. (2018). Acerola, an untapped functional superfruit: a review on latest frontiers. Journal of Food Science and Technology, 55(9), 3373–3384.
- European Food Safety Authority (EFSA) – Scientific Opinion on the tolerable upper intake level of vitamin C. EFSA Journal, 2006.
- World Health Organization (WHO) – Vitamin C. In: Vitamin and Mineral Requirements in Human Nutrition (2nd ed.). Geneva: WHO Press, 2004.
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