Comext Manufacturer 1% 2% 5% 10% HPLC 1-Deoxynojirimycin Dnj Powder Polysaccharides Morus Alba White Mulberry Leaf Extract
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Product Highlights
- High Purity 1-DNJ Content: Standardized 1-Deoxynojirimycin content ranging from 1% to 10% verified by HPLC.
- Natural Botanical Source: Extracted from fresh Morus Alba leaves collected during late spring silkworm period.
- Anti-Diabetic Properties: Rich in 1-DNJ, flavonoids, and polyphenoids known for blood sugar regulation.
- Comprehensive Safety Standards: Meets strict limits for heavy metals, pesticides, and microbial contamination.
- Multiple Certification Options: Available with Kosher, Halal, Organic, FSSC, and ISO certifications.
- Free Sample Availability: 10-20g free samples provided for quality testing before bulk orders.
- Versatile Application Range: Suitable for supplements, functional beverages, pharmaceuticals, and health care products.
- Long Shelf Life: Guaranteed stability and potency for up to 24 months when stored properly.
Product Attributes
- Customization
- Available
- Certification
- ISO, Kosher, Halal, Organic, Fssc
- Assay Method
- HPLC
- Model NO.
- mulberry
- Application Form
- Lotion, Tablet, Capsule
- Application
- Health Care Products, Medicine
- State
- Powder
- Extract Source
- Leaf
- Botanical Source
- Morus Alba L.
- Active Ingredients
- 1-Dnj, Polysaccharides, Mulberroside a
- Appreance
- Yellow Brown Powder
- Applications
- Supplements, Functional Beverage
- Main Function
- Lower Blood Sugar
- Shelf Life
- 24 Months
- Sample
- 10-20g Free Sample
- Standard
- Cp/USP/Ep
- Test Method
- HPLC, UV
- Factory
- Yes
- Transport Package
- 25kg/Drum
- Specification
- 1%~10% 1-Deoxynojirimycin
- Trademark
- Comext
- Origin
- China
- HS Code
- 130219
- Production Capacity
- 10t Per Month
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Product Description

What is mulberry leaf extract?
The mulberry leaf extract is made of mulberry leaf powder processed from the 1st to 3rd new leaves on the branches of mulberry trees in the late spring silkworm period or before frost, dried in the shade, crushed, heated and extracted with n-butanol, 90% ethanol and water respectively, and obtained by spray drying.
The mulberry leaf extracts are carefully processed to concentrate the phytonutrients (flavonoids, polyphenols, alkaloids, etc.) of this herb, and standardized to 1-Deoxynojirimycin (known as 1-DNJ) which is reported to be responsible for the anti-diabetic properties.

Application:
They are widely used for Health care products, pharmaceuticals, nutriceuticals, dietary supplements, functional food, drinks & beverage, etc.
1. Health care products: soft capsule, hard capsule, tablet, and other dosage forms.
2. Nutriceuticals, dietary supplements, Functional food, drinks & beverage.
Specification:
| Item | Specification |
| General Information | |
| Products Name | Mulberry Leaf Extract |
| Botanical Name | Morus alba L. |
| Part Used | Leaf |
| Physical Control | |
| Appearance | Light yellow to brown powder |
| Identification | Conform with standard |
| Odor&Taste | Characteristic |
| Loss on Drying | ≤5.0% |
| Particle Size | NLT 95% Pass 80 Mesh |
| Chemical Control | |
| DNJ | 1%~10% (HPLC) |
| Total Heavy Metals | ≤10.0ppm |
| Lead(Pb) | ≤3.0ppm |
| Arsenic(As) | ≤2.0ppm |
| Cadmium(Cd) | ≤1.0ppm |
| Mercury(Hg) | ≤0.1ppm |
| Solvent residue | <5000ppm |
| Pesticide residue | Meet USP/EP |
| PAHs | <50ppb |
| BAP | <10ppb |
| Aflatoxins | <10ppb |
| Microbial Control | |
| Total Plate Count | ≤10,000cfu/g |
| Yeast&Molds | ≤100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
| Stapaureus | Negative |




About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2691068". Items marked "" are certified.
Company Profile
Comext Biotech (China) is a technology-driven company specializing in natural plant extracts, vitamins, and amino acids, dedicated to providing customers high-quality and innovative active ingredient solutions. The company operates through a synergistic network of Comext Nutrition (USA), Comext Ingredients (factory), Comax Biotech(factory)and our headquarters in China, forming an integrated industrial chain with a global reach. In addition, Comext has established planting bases and R&D centers, laying a solid foundation for the cultivation of health ingredients and the development of innovative processing technologies.
Our products are widely applied in food additives, dietary supplements, nutraceuticals, cosmetics, pharmaceuticals, and animal nutrition. Guided by the core principles of safety, traceability, and efficacy, the company leverages advanced extraction processes and technological innovation to continuously refine product quality and enhance comprehensive application value. With its consistent quality, Comext has earned widespread recognition and trust from customers in the United States, Europe, and other global markets.
200+ Nutritional Ingredients
Covering a wide range of botanical extracts and nutritional ingredients to meet diverse global market demands.
300+ Third-Party Test Reports
Strictly aligned with industry regulations and international quality standards, supported by a robust quality control system.
100+ HPTLC-ID Reports
Backed by authoritative testing to meet global compliance requirements, ensuring products are safe, high-quality, and fully traceable.
500+ Tons Ready Stock in US W/H
Two major warehouse centers in California and New Jersey ensure fast delivery and a stable global supply chain.
CP/EP/USP Standardized Manufacturing
Production processes comply with international pharmacopoeia standards and quality management systems, ensuring consistency and compliance.
US Local Team Rapid-Response Delivery
Dedicated US local team combined with extensive local inventory, provides shorter lead times and a stable supply chain assurance.
About Our Factory & Business Background
- Address
- Bldg#7-206 & 208 No. 168, Huangxing Avenue, 410100, Changsha, Hunan, China
-
Terms of Payment
- T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port,
-
Minimum Order Quantity
- 25 kg
-
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
- Main Products
- Olive Leaf Extract, Rhodiola Rosea Extract, Red Clover Extract, Flax Seed Extract, Andrographis Extract, Mulberry Leaf Extract, Organic Irish Moss Powder, Barley Grass Powder, Protein Isolate, Rosemary Extract
-
Production Lines
- 1
-
Production Machines
- Double cone blender
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 9 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast
-
Number of Foreign Trading Staff
- 13
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- No
FAQ
- HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
- Sample confirmed first or as request.
- CAN I GET SOME SAMPLE?
- Yes, usually 10-20g sample is for free.
- WHAT'S YOUR MOQ?
- Our MOQ is flexible, usually 1kg-10kg for trial order is acceptable, for General order MOQ is 25kg.
- HOW LONG FOR PRODUCTION AND DELIVERY?
- Lead time: 3~5 working days after payment confirmed. Customized products further discussed.
- HOW TO DELIVER THE GOODS?
- <50kg ship by FedEx or DHL etc, >50kg ship by Air, >100kg can be shipped by Sea, or as request.
- WHAT IS THE SHELF LIFE FOR THE PRODUCTS?
- 24-36 months, meet with COA.
- HOW CAN I PAY FOR MY ORDER?
- We accept T/T in advance, LC, DP or as negotiation.
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