Basic Product Information
Official Names
English Trade Name: Hollyhock Extract Powder / Alcea Rosea Extract Powder
Latin Botanical Name: Alcea rosea (L.) Cavan.
INCI Name (Cosmetic): Alcea Rosea Flower/Leaf/Root Extract
Chinese Name: 蜀葵提取物粉末(别名:一丈红提取物)
Used Part: Dried root / flower / leaf (root extract most mainstream)
Extraction Process: Water / Hydro-alcohol extraction → Vacuum concentration → Spray drying
Appearance & Odor & Solubility
Root extract: Light brown-yellow to brown fine free-flowing powder
Flower extract: Reddish brown / purple-brown fine powder (rich in anthocyanins)
Odor: Faint characteristic herbal aroma of hollyhock
Solubility: Good water dispersibility, slight viscosity due to natural mucilage polysaccharides
Mesh size: 100% pass 80 mesh
Key Active Ingredients
Mucilage polysaccharides, total flavonoids (quercetin, kaempferol), anthocyanins, chlorogenic acid, saponins, organic acids
Specifications
1. Physical & Chemical Index
Item Standard Limit Test Method
Loss on Drying NMT 5.0% USP <731>
Residue on Ignition NMT 8.0% USP <281>
Bulk Density 0.40–0.65 g/mL Gravimetry
pH (1% aqueous solution) 4.5–6.0 pH Meter
Extraction Ratio 10:1 / 20:1 / 30:1 customizable TLC
Total Polyphenols NLT 5.0% / 10.0% (custom) UV
Total Flavonoids NLT 3.0% HPLC
2. Heavy Metals (ICP-MS USP <232>/<233>)
Lead (Pb) ≤ 1.5 ppm
Arsenic (As) ≤ 1.5 ppm
Cadmium (Cd) ≤ 0.3 ppm
Mercury (Hg) ≤ 0.1 ppm
3. Residual Solvents (USP <467>)
All Class 3 solvents NMT 5000 ppm; Class 2 solvents meet EP limits
4. Microbiological Limits (USP <61>/<62>)
TAMC ≤ 10⁵ CFU/g
TYMC ≤ 10³ CFU/g
Escherichia coli: Negative
Salmonella spp.: Absent in 10g
Staphylococcus aureus: Negative
Pseudomonas aeruginosa: Negative (cosmetic grade)
5. Mycotoxin
Aflatoxin B1 ≤ 2 ppb, Total Aflatoxins ≤ 10 ppb
Main Biological Functions
Demulcent & Mucosa Protection
Rich in natural mucilage polysaccharides, forms a protective film on gastrointestinal, throat and respiratory mucosa; relieves dry cough, sore throat and mild gastric irritation.
Powerful Anti-Inflammatory & Soothing Sensitive Skin
Inhibits NF-κB and COX-2 expression, reduces skin redness, irritation and swelling; relieves sensitive, rosacea-prone skin.
Strong Antioxidant Activity
Flavonoids and anthocyanins scavenge free radicals, reduce oxidative stress, resist UV photo-damage and brighten dull skin.
Diuretic & Edema Relief
Promotes body fluid metabolism, accelerates discharge of excess water and metabolic waste, improves facial & limb edema.
Skin Moisturizing & Barrier Repair
High water-binding polysaccharides boost skin hydration, strengthen skin barrier, improve dry, rough skin texture.
Gentle Detox & Mild Lipid Regulation
Assists internal waste clearance, supports healthy lipid balance for daily wellness formulas.
Application Fields
Throat-soothing solid drinks, cough relief herbal granules
Edema management, detox oral powder, beauty oral liquid
Compound mucosal care capsules, meal replacement powder
2. Cosmetics & Personal Care (Biggest Application)
Sensitive skin serum, soothing toner, repair facial mask
After-sun repair cream, anti-redness skincare, moisturizing lotion
Gentle body care, baby soothing cream, natural mild cleanser
Natural antioxidant additive to boost SPF of sunscreen
3. Beverage Industry
Herbal health tea, compound plant functional drinks, flower beverage additives
4. Pharmaceutical Raw Material
Oral mucosa soothing preparations, external anti-inflammatory dermatology ointment auxiliary material
Storage & Shelf Life
Storage: Hermetically sealed, cool, dry, dark environment, avoid high temperature, moisture and strong light
Shelf Life: 24 months under proper storage