Abstract
It has been discovered that bio-based plastics, which are derived from organic and renewable resources, are effective substitutes for polymers derived from petroleum. Unfortunately, few of them, especially those made from whey, have been evaluated economically. The world needs alternatives to plastic since its production and buildup have adverse effects on the environment. Polyhydroxyalkanoates (PHAs) and polyhydroxybutyrates (PHBs) act as viable alternatives to conventional plastics given their biodegradability, biocompatibility, and potential for biological synthesis. PHAs are produced by bacteria, and one of the primary costs related to the production of plastic associated is the carbon supply that the bacteria use to ferment food. As a result, a number of industrial waste streams, such as whey, an effluent from the dairy sector, have been explored as potential carbon sources for bacterial growth and production of PHA and PHB. When whey is utilized to produce PHA, the process may become less expensive and better for the environment. Whey pre-treatments and the selection of a PHA or PHB-producing strain are just two issues that continue to impede the use of whey as a carbon source for PHA and PHB synthesis. In this chapter, the current state of knowledge on the use of whey for the production of PHA and PHB was reviewed, and creative solutions to the challenges faced throughout this manufacturing process were proposed.
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Rana, A., Kumar, V., Dhewa, T., Taneja, N.K. (2023). Bioplastic Production Using Whey (Polyhydroxyalkanoates and Polyhydroxybutyrates). In: Poonia, A., Trajkovska Petkoska, A. (eds) Whey Valorization. Springer, Singapore. https://doi.org/10.1007/978-981-99-5459-9_6
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