GOOD MANUFACTURING PRACTICES FOR ORAL LIQUIDS (SYRUPS, ELIXIRS, EMULSIONS AND SUSPENSIONS)
The General Requirements as given in SCHEDULE M – GMP – PART 1 of this Schedule relating to requirements of Good Manufacturing Practices for Premises and materials for pharmaceutical products shall be complied for the manufacture of (Syrups, Elixirs, Emulsions and Suspensions). In addition to these requirements, the following Specific Requirement shall also be followed.
SPECIFIC REQUIREMENTS FOR MANUFACTURE OF ORAL LIQUIDS (SYRUPS, ELIXIRS, EMULSIONS AND SUSPENSIONS)
Building and Equipment
- The premises and equipment shall be designed, constructed and maintained to suit the manufacturing of Oral Liquids. The layout and design of the manufacturing area shall strive to minimize the risk of cross-contamination and mix-ups.
- Manufacturing area shall have entry through double door airlock facility. It shall be fly proof by use of fly catcher and/or air curtain.
- Drainage shall be of adequate size and have adequate traps, without open channels and design shall be such as to prevent back flow. Drains shall be shallow to facilitate cleaning and disinfecting.
- The production area shall be cleaned and sanitized at the end of every production process.
- Tanks, containers, pipe work and pumps shall be designed and installed so that they can be easily cleaned and sanitized. Equipment design shall be such as to prevent accumulation of residual microbial growth or cross-contamination.
- Stainless steel or any other appropriate material shall be used for parts of equipments coming in direct contact with the products. The use of glass apparatus shall be minimum.
- Arrangements for cleaning of containers, closures and droppers shall be made with the help of suitable machines/devices equipped with the high pressure air, water and steam jets.
Purified Water
- The chemical and microbiological quality of purified water used shall be specified and monitored routinely. The microbiological evaluation shall include testing for absence of pathogens and shall not exceed 100 cfu/ml
- There shall be a written procedure for operation and maintenance of the purified water system. Care shall be taken to avoid the risk of microbial proliferation with appropriate methods like re-circulation, use of UV treatment, treatment with heat and sanitizing agent. After any chemical sanitisation of the water systems, a flushing shall be done to ensure that the sanitizing agent has been effectively removed.
Manufacturing
- Manufacturing personnel shall wear non-fiber shedding clothing to prevent contamination of the product.
- Materials likely to shed fiber like gunny bags, or wooden pallets shall not be carried into the area where products or cleaned-containers are exposed.
- Care shall be taken to maintain the homogenecity of emulsion by use of appropriate emulsifier and suspensions by use of appropriate stirrer during filling. Mixing and filling processes shall be specified and monitored. Special care shall be taken at the beginning of the filling process, after stoppage due to any interruption and at the end of the process to ensure that the product is uniformly homogenous during the filling process.
- The primary packaging area shall have an air supply which is filtered through 5 micron filters. The temperature of the area shall not exceed 30 degrees centigrade.
- When the bulk product is not immediately packed, the maximum period of storage and storage conditions shall be specified in the Master Formula. The maximum period of storage time of a product in the bulk stage shall be validated.
Reference : Drugs and Cosmetics act 1940