Purpose
The purpose of this paper is to review the advanced technologies and approaches for utilization of waste generated in dairy industry. Whey is highly contaminated, with a high organic load around 100,000 mg O2/L COD (chemical oxygen demand), and is not used for further processing. The waste generated in different food industries can be utilized in different value addition product with the help of advanced technology.
Design/methodology/approach
Major well-known bibliometric information sources are the Web of Science, Scopus, Mendeley and Google Scholar. Several keywords like nutrition value of whey, whey utilization, whey valorization, whey technologies, whey beverages, fruit-based whey beverage, carbonated beverage, probiotic or alcoholic beverages, herbal beverage, fermented beverage and current scenarios were chosen to obtain a large range of papers to be analyzed. A final inventory of 126 scientific sources was made after sorting and classifying them according to different criteria based on topic, academic field country of origin and year of publication.
Findings
The comprehensive review of different literature, data sources and research papers seeks to find and discuss various sustainable solutions to this huge waste generated from milk industry. The sustainable use of whey for production and conversion in different types of products can uplift the bio-based economy of industries and thereof national/international economy. The recent upsurge in consumer interest for health-promoting products has opened up new vistas for whey beverages and other whey products research and development.
Originality/value
The paper draws out different sustainable characteristics and technology of whey products available in market, as well as potential products to be launched in the market. Interestingly, over the past few years, dairy industries have applied various technologies to process cheese whey and are in search of new products which can be prepared from the by-product. This review discusses on the recent research development of whey valorization with particular reference to technologies used in the addition to their commercial availability and a way forward.
Food safety and quality has received attention in the agri‐food sector and is basis of all initiatives taken on different activity levels starting from farm to enterprises as a whole on regional, national, and international levels. A hybrid of the ISO 9001, Quality Management System and Hazard Analysis and Critical Control Point (HACCP), ISO 22000 has been developed as an international solution for improving the food safety. Instead of applying good manufacturing practices, HACCP and ISO 9001:2000 separately, ISO 22000:2005 is implemented to observe the synergetic effect and to ensure food safety in food supply chain. ISO 22000 also known as Food Safety Management System (FSMS) is an international auditable standard. Standard ensures safe food supply throughout the chain and provide a framework of internationally harmonized system for the global approach. ISO 22000 incorporates critical control point and hazard analysis systems in more improved form to produce much effective auditable FSMS. This standard endorses conformity of services and products for international trading by assuring about reliability, food quality, and food safety.Practical applicationsThe role exploration of Food Safety Management System (FSMS) in implementing food safety throughout the food production and supply chain is reviewed in this paper. The goal “once certified, accepted worldwide” of Globe Food Safety Initiative theme discussed to help industries and researchers. ISO 22000 along with its sister standards are auditable, reliable, and reasonable to ensure safe production, distribution, and consumption of food. During review of literature it is revealed that all technical aspects and requirements to implement the FSMS are not discussed on one place and thus leading to confusion. The aim of this review is to discuss different requirements, documentations, and systems in place for the certification of standards and the article will be helpful for the industries, technocrats, academicians, researchers, and policy framers.
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