[Pomegranate juice nutritional profile].
L M Khomich1, I B Perova2, K I Eller2
1Non-Commercial Organization "Russian Union of Juice Producers" (RSPS), Moscow, Russia.
Pomegranate juice is rich in polyphenols, offering high antioxidant activity. This study details its nutritional profile, identifying over 30 nutrients and bioactive compounds, including essential minerals and organic acids.
Area of Science:
- Food Science and Technology
- Nutritional Biochemistry
- Phytochemistry
Background:
- Pomegranate juice is a popular processed fruit product known for its high polyphenol content and antioxidant properties.
- Understanding the detailed nutritional composition is crucial for assessing its health benefits and industrial applications.
Purpose of the Study:
- To establish a comprehensive nutritional profile of commercial pomegranate juice.
- To identify and quantify key nutrients, bioactive compounds, and organic acids present in pomegranate juice.
Main Methods:
- Analysis of the nutrient composition of commercial pomegranate juice.
- Compilation and comparison of results with existing data from scientific literature and reference materials.
Main Results:
- Pomegranate juice contains over 30 nutrients and bioactive substances, including glucose and fructose sugars.
- Organic acids are dominated by citric and L-malic acids, with total acidity averaging 1.1 g/100 cm³.
- Significant mineral content includes potassium (15% RDA), magnesium (5% RDA), and copper (10% RDA) per serving.
- Rich in polyphenols, particularly ellagotannins (average 40 mg/100 cm³), anthocyanins (average 1 mg/100 cm³), and ellagic acid (average 4 mg/100 cm³).
Conclusions:
- Polyphenolic compounds (ellagotannins, anthocyanins, ellagic acid) are key bioactive constituents of pomegranate juice.
- Minerals such as potassium, magnesium, and copper contribute significantly to the micronutrient value of pomegranate juice.
- The established nutritional profile highlights pomegranate juice as a valuable source of antioxidants and essential micronutrients for human health.
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