Testing Items
|
|
Test Standard
|
Test Method
|
Appearance
|
Color
|
Present white or light yellow uniformly
|
GB 31645
|
Odor
|
With the product's special smell
|
GB 31645
|
|
Taste
|
With the product's special smell
|
GB 31645
|
|
Impurity
|
Present dry powder uniform, no lumping, no impurity and mildew spot which can be seen by naked eyes directly
|
GB 31645
|
|
Stacking density
|
g/ml
|
--
|
--
|
Protein content
|
%
|
≥90
|
GB 5009.5
|
Moisture content
|
g/100g
|
≤7.00
|
GB 5009.3
|
Ash content
|
g/100g
|
≤7.00
|
GB 5009.4
|
PH Value (1% solution)
|
|
--
|
Chinese Pharmacopoeia
|
g/100g
|
|
≥3.0
|
GB/T9695.23
|
Average molecular weight content Dal
|
|
<3000
|
QB/T 2653-2004
|
SO2
|
mg/kg
|
--
|
GB 6783
|
Residual hydrongen perxide
|
mg/kg
|
--
|
GB 6783
|
Heavy metal
|
Plumbum (Pb) mg/kg
|
≤1.0
|
GB 5009.12
|
Chromium (Cr) mg/kg
|
≤2.0
|
GB 5009.123
|
|
Arsenic (As) mg/kg
|
≤1.0
|
GB 5009.15
|
|
Mercury (Hg) mg/kg
|
≤0.1
|
GB 5009.17
|
|
Cadmium (Cd) mg/kg
|
≤0.1
|
GB 5009.11
|
|
Mould & Yeast
|
CFU/g
|
≤10
|
GB 4789.15
|
Salmonella
|
/25g
|
--
|
GB 4789.4
|
Improving skin health:
Collagen is a significant component of the skin, and its decline with age is associated with wrinkles, sagging skin, and loss of elasticity. Supplementing with collagen can help improve skin hydration, firmness, and texture.
Supporting joint health:
Collagen is a critical component of cartilage, which cushions and protects joints. Studies have shown that supplementing with collagen can help reduce joint pain and stiffness, especially in people with osteoarthritis.
Promoting muscle growth:
Collagen is rich in the amino acid glycine, essential for muscle growth and repair. Supplementing with collagen may help support muscle mass and strength.
Promoting muscle growth:
Collagen is rich in the amino acid glycine, essential for muscle growth and repair. Supplementing with collagen may help support muscle mass and strength.
It is important to note that collagen powder is a dietary supplement and should not be used as a replacement for a healthy diet or medical treatment. As with any supplement, it is best to consult a healthcare professional before using collagen powder.
Shaanxi Hongkang Biological Technology Co., Ltd was founded in 2010, professionally committed to the natural plant active ingredient research, development, production, and sales, with their import and export rights. The company's advantageous products include cooling agent series products (WS - 23, WS - 5, WS - 12), lotus leaf extract products(Nuciferine, water-soluble Nuciferine), licorice extract series products (Glabridin, LicochalconeA), magnolia bark extract series products (Magnolol, honokiol), Osthole, piperine, Tetrahydropiperine, and Bakuchiol product. Widely used in food additives, cosmetics, and other industries. After years of continuous development, the company has accumulated rich experience in international trade and customer resources, established a stable customer base, and perfect marketing service network. company has a perfect quality assurance system and implements strict quality control standards. The company adheres to the enterprise spirit of quality first, service first and integrity first wholeheartedly welcomes guests from all over the world to guide us, and your satisfaction is our eternal pursuit.
Q1: Could you provide free samples for testing?
A1: Yes, we can provide free testing, and shipping costs are paid by our customers.
Q2: Which payment terms do you accept?
A2: Alibaba online order, PayPal, West Union, T/T, etc.
Q3: What about the MOQ?
A3: 1kg.
Q4: What's the delivery time?
A4: The goods will be sent out about 3 days after receiving the payment, the delivery time is about 8-15 days.
Q5: What about the Shipping method?
A5: Door to Door by FedEx, TNT, UPS, DHL, Dedicated Line, etc.
Q6: Which country can you ship to?
A6: We can ship to almost every country all over the world, and we have a stable shipping method. If you have a forwarder agent in China, we can also send the goods to your shipping agent freely.
Q7: How to order?
Please leave us a message, we'll send you our product list price lists for your reference.