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Product Description

Kumquat powder is a premium-quality, 100% natural fruit powder produced through low-temperature spray-drying technology to preserve the fruit's essential nutrients and bioactive compounds. Made from carefully selected ripe kumquats, this powder maintains the fruit's unique sweet-tart flavor profile while offering excellent solubility for various applications.

Key Features:
✔ Whole Fruit Utilization - Contains peel (rich in essential oils) and pulp
✔ Nutrient-Dense - High in vitamin C and natural flavonoids
✔ Clean Label - No additives, preservatives or artificial flavors
✔ Versatile Solubility - Excellent in both hot and cold applications

Technical Specifications

Parameter	Specification	Test Method
Physical Properties
Appearance	Fine, free-flowing powder	Visual inspection
Color	Golden yellow to light orange	Colorimeter
Odor	Characteristic kumquat aroma	Sensory evaluation
Particle Size	80-100 mesh (180-150μm)	Laser diffraction
Bulk Density	0.45-0.55 g/cm³	USP <616>
Chemical Composition
Moisture Content	≤5.0%	AOAC 925.09
Solubility	≥95% in water	USP <911>
Total Sugars	60-70%	HPLC
Vitamin C Content	≥50mg/100g	HPLC-UV
Total Flavonoids	≥2.0%	UV Spectrophotometry
Microbiological
Total Plate Count	≤3,000 CFU/g	ISO 4833-1:2013
Yeast & Mold	≤100 CFU/g	ISO 21527-1:2008
Coliforms	≤10 CFU/g	ISO 4832:2006
E. coli	Negative/10g	ISO 16649-2:2001
Salmonella	Negative/25g	ISO 6579-1:2017
Heavy Metals
Lead (Pb)	≤0.5 mg/kg	ICP-MS
Arsenic (As)	≤0.3 mg/kg	ICP-MS
Cadmium (Cd)	≤0.1 mg/kg	ICP-MS
Mercury (Hg)	≤0.1 mg/kg	ICP-MS

Stability Data:

PH Stability: 3.0-7.0 (optimal range)

Thermal Stability: Stable up to 80°C for short periods

Light Sensitivity: Store in opaque packaging

Hygroscopicity: Moderate (recommend desiccant in packaging)

Key Technical Advantages:

High Bioactive Retention: Low-temperature processing preserves >90% of original vitamin C content

Excellent Flow Characteristics: Carr Index <25 (excellent flowability)

Uniform Particle Distribution: Span value <2.0 (narrow size distribution)

Color Stability: ΔE<3 after 12 months storage at 25°C

Analytical Notes:

Contains natural limonene (0.5-1.2%) from peel oils

Typical water activity: 0.35-0.45

Glass transition temperature (Tg): 45-50°C

Product Advantages

Nutritional Superiority

Exceptionally High Vitamin C (≥50mg/100g) - Supports immune function
Rich in Antioxidants - Contains unique kumquat flavonoids
Natural Dietary Fiber - Promotes digestive health
Quality Assurance GMP & ISO Certified Production - Strict quality control measures
Low-Temperature Processing - Preserves heat-sensitive nutrients
Microbiological Safety - Meets international food safety standards
Functional Benefits Intense Flavor Profile - Provides authentic kumquat taste
Excellent Mixability - Dissolves completely in liquids
Stable Color Retention - Maintains vibrant golden hue