
Skimmed milk powder is a widely consumed product due to its long shelf life, versatility, and nutritional benefits. To ensure consumers receive high-quality and safe products, the Bureau of Indian Standards (BIS) has established stringent guidelines under IS 13334 (Part 1): 2014 and IS 13334 (Part 2): 2014. These standards ensure the quality, safety, and nutritional value of skimmed milk powder.
In this blog, we explore the importance of Skimmed Milk Powder, key features of the standards, testing requirements, and how Diligence Certifications makes compliance effortless.
Why Choose ISI Marked Skimmed Milk Powder?
The ISI mark is synonymous with trust and quality. Skimmed milk powder certified under IS 13334 ensures that the product meets the stringent quality and safety parameters set by BIS. Choosing ISI-marked skimmed milk powder offers the following benefits:
- Consumer Safety: Guaranteed adherence to hygiene and safety standards.
- Nutritional Value: Ensures the powder retains essential nutrients.
- Market Credibility: Enhances brand reputation with trusted certification.
- Regulatory Compliance: Meets legal requirements, avoiding penalties or bans.
- Customer Trust: Builds consumer confidence in the quality and reliability of the product.
The Standard for Quality Assurance: IS 13334 (Part 1) and IS 13334 (Part 2)
IS 13334 (Part 1): 2014 – Skimmed Milk Powder
This part specifies the requirements and methods of sampling and testing for skimmed milk powder intended for general consumption. The key aspects include:
- Composition standards for protein, fat, and moisture content.
- Packaging and storage requirements to prevent contamination.
- Sensory evaluation for taste, odor, and appearance.
IS 13334 (Part 2): 2014 – Skimmed Milk Powder for Infant Food
This part sets the guidelines for skimmed milk powder specifically intended for infant food formulations. It focuses on:
- Stringent microbiological safety standards.
- Nutritional composition to support infant growth.
- Absence of harmful contaminants like heavy metals and pesticides.
Key Components of IS 13334 Standards
| Component | IS 13334 (Part 1): 2014 | IS 13334 (Part 2): 2014 |
| Moisture Content | Maximum 4% | Maximum 5% |
| Protein Content | Minimum 34% | Minimum 32% |
| Fat Content | Maximum 1.5% | Maximum 1.25% |
| Microbiological Safety | Standard limits for microbial counts | Enhanced safety limits, especially for infant safety |
| Contaminants | Absence of harmful substances such as heavy metals | Strict testing for heavy metals, pesticides, and aflatoxins |
| Packaging | Hygienic and tamper-proof packaging to ensure safety | Special packaging to maintain sterility for infant use |
Key Highlights of IS 13334 Standards
| Feature | Details |
| Nutritional Integrity | Ensures protein, fat, and moisture levels are within specified limits. |
| Microbial Safety | Controls harmful microorganisms to ensure product safety. |
| Residue Limits | Free from pesticides, antibiotics, and heavy metals. |
| Packaging Standards | Protects against contamination during storage and transport. |
| Infant Safety | Strict guidelines for products intended for infant consumption. |
| Testing Requirements | Comprehensive testing for composition, safety, and sensory evaluation. |
List of Test Equipment for Skimmed Milk Powder
| Clause | Test | Equipment Required |
| 5.1 – Composition Standards | Protein content analysis | Kjeldahl apparatus |
| 5.2 – Moisture Content | Moisture determination | Hot air oven, desiccator |
| 5.3 – Fat Content | Fat content analysis | Mojonnier apparatus or equivalent |
| 5.4 – Microbiological Safety | Bacterial count | Incubators, culture media, and petri dishes |
| 5.5 – Contaminants | Heavy metal and pesticide analysis | Atomic absorption spectrophotometer (AAS) |
| 5.6 – Sensory Evaluation | Taste, odor, and appearance testing | Sensory analysis kits |
Scheme of Inspection and Testing (SIT) Requirements
The Scheme of Inspection and Testing (SIT) ensures consistency and quality in skimmed milk powder production. Key SIT requirements include:
- Raw Material Inspection: Verification of raw milk quality.
- In-Process Controls: Continuous monitoring during the production process.
- Finished Product Testing: Batch-wise testing for composition, microbiological safety, and contaminants.
- Packaging Inspection: Ensuring compliance with BIS packaging guidelines.
- Record Keeping: Maintaining detailed records of inspections and test results.
- Audit Protocols: Periodic internal and external audits to verify compliance.
BIS Certification Process for Skimmed Milk Powder
Achieving BIS Certification for skimmed milk powder involves the following steps:
- Application Submission: Fill out the BIS application and submit it along with the required documents.
- Factory Inspection: BIS officials inspect the production facility to verify compliance with standards.
- Sample Testing: Product samples are tested in BIS-approved laboratories to ensure compliance.
- Certification Approval: Upon successful inspection and testing, BIS issues the certification.
- ISI Mark Usage: The manufacturer can use the ISI mark on their product packaging.
- Renewal Process: Regular renewals ensure continued compliance.

The Role of Diligence Certifications in Ensuring Compliance
Diligence Certifications is a trusted partner for manufacturers seeking for skimmed milk powder. Here’s how they make the process seamless:
- Regulatory Expertise: Guides businesses through BIS standards and requirements.
- Documentation Support: Assists in preparing and submitting accurate documentation.
- Pre-Assessment Audits: Conducts thorough pre-audits to identify potential compliance gaps.
- Testing Coordination: Liaises with BIS-approved labs for timely sample testing.
- Factory Inspection Assistance: Prepares the facility for BIS inspections.
- End-to-End Support: Ensures a hassle-free certification journey from application to approval.
Benefits of Partnering with Diligence Certifications
- Time-Efficient Processes: Minimizes delays by streamlining documentation and testing.
- Compliance Confidence: Reduces the risk of non-compliance through expert guidance.
- Cost-Effective Solutions: Helps optimize resources while achieving certification.
- Sustainability Goals: Supports environmentally conscious practices in production.
- Market Readiness: Prepares products for national and international markets with certification.
Conclusion
Skimmed milk powder plays a vital role in meeting consumer needs for convenient and nutritious dairy products. Adhering to BIS standards under IS 13334 (Part 1): 2014 and IS 13334 (Part 2): 2014 ensures the product’s safety, quality, and market competitiveness.
Skimmed Milk Powder is more than a regulatory requirement—it is a mark of trust and excellence. By partnering with Diligence Certification, manufacturers can achieve compliance effortlessly, ensuring their products stand out in the market while aligning with global quality standards.
Reach out to Diligence Certification today to streamline your certification process and build a reputation for quality and reliability. Together, let’s contribute to a sustainable, safe, and successful dairy industry!
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