Overview
Prune extract is derived from prunes (dried plums of the Prunus domestica species), primarily through water or ethanol extraction. It is valued for its high concentration of bioactive compounds, including dietary fiber, sorbitol, and phenolic antioxidants like chlorogenic acid. The extract is commonly available in powder or liquid form and is utilized across multiple industries due to its health-promoting properties. Historically, prunes have been used in traditional medicine for their laxative effects. Modern extraction techniques have enabled the isolation of its key components, making it a versatile ingredient in functional foods, nutraceuticals, and skincare products.
Physical and Chemical Properties
Prune extract is characterized by its dark brown color and hygroscopic nature, especially in powdered form. Its solubility in water and ethanol allows for easy incorporation into various formulations. The extract’s primary active components include soluble fiber (e.g., pectin), sorbitol (a natural sugar alcohol), and polyphenols, which contribute to its osmotic laxative and antioxidant effects. The extract’s stability depends on storage conditions; exposure to heat or moisture may degrade its bioactive compounds. Analytical methods such as HPLC are used to quantify its phenolic content and ensure consistency in commercial batches.
Main Applications
In the food industry, prune extract is added to snacks, beverages, and baked goods as a natural sweetener and fiber enhancer. Its sorbitol content provides mild sweetness without spiking blood sugar levels, making it suitable for diabetic-friendly products. The pharmaceutical sector employs it in digestive health supplements due to its laxative properties. The cosmetic industry leverages its antioxidant capacity in anti-aging creams and serums. Additionally, its prebiotic effects support gut health, driving demand in probiotic formulations. Emerging research explores its potential in reducing oxidative stress and inflammation.
Safety and Storage
Prune extract is generally safe for consumption, with no significant toxicity reported. However, excessive intake may lead to bloating or diarrhea due to its high fiber and sorbitol content. Regulatory bodies like the FDA classify it as GRAS (Generally Recognized as Safe) when used in accordance with good manufacturing practices. Proper storage in airtight containers at temperatures below 25°C (77°F) is critical to prevent clumping (powder) or microbial growth (liquid). Suppliers should provide certificates of analysis (CoA) to confirm the absence of heavy metals and pesticides.
B2B Procurement Guide
When sourcing prune extract, prioritize suppliers with ISO or organic certifications to ensure quality and traceability. Key specifications to verify include purity (typically 95-98%), solvent residues (if applicable), and microbial limits (e.g., <1,000 CFU/g). Bulk pricing often decreases for orders above 100 kg, but negotiate based on projected volumes. Request samples to assess compatibility with your product matrix. For international shipments, confirm compliance with regional regulations (e.g., EU Novel Food status). Long-term contracts with reliable suppliers can mitigate price volatility tied to prune harvest yields.
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