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Carbonated beverages are the most popular beverages due to its thirst quenching, fizziness, and refreshing nature. Carbonated drink covers almost half of the total soft drink consumption. Growth rate of soft drinks value is around 11% over the last 2 years. Carbonated fruit drink was prepared using different concentrations of guava fruit juice and egg albumin to develop protein‐enriched carbonated fruit drink. The physicochemical and nutritional properties were studied and the changes were observed with respect to carbonation and egg albumin fortification. The best result was obtained for fruit drink containing 30% fruit juice and 15% egg albumin fortification showed protein content of 10.1 g/100 g. The accelerated storage conditions in the study were 14 and 40°C with 90% relative humidity. The predicted shelf life was 60 days for protein‐enriched carbonated guava drink and 131 days for carbonated guava drink at refrigerated condition without any artificial preservative. PRACTICAL APPLICATIONS: Guava fruit is a rich source of vitamin C and antioxidants like carotene and lycopene, whereas egg albumin is a rich source of essential amino acids and is a complete protein. Lack of nutrition in the carbonated drinks in the present era leads to the development of this drink. Combination of egg albumin with guava makes the carbonated drink more nutritious and this drink can be a very good alternative for carbonated drinks especially whey‐based fruit drinks. Accelerated shelf‐life study can save time to check the shelf stability of the new product launch to the market.

Background Adolescents consume a high level of carbonated drinks and this may have significant adverse effects for their weight and oral health. Therefore, we examined the application of key constructs of the Transtheoretical Model (stages of change, decisional balance and self-efficacy) and health as a value (both general and oral) to adolescent carbonated drink consumption and to identify any gender differences. Methods A total of 399 adolescents (mean age 12.57 years, SD = 1.54) completed a questionnaire measuring: stage of change, decisional balance, self-efficacy, carbonated drink consumption and attitudes to health and healthy teeth. Results Over half of the adolescents (55%) were classified into one of the pre-action stages (i.e. precontemplation or contemplation) and males were more likely to be represented in the precontemplation stage than females. Significant associations with stage of change, decisional balance and self-efficacy were found, though there was no association with attitudes to health (general or oral). Conclusion The findings suggest that the Transtheoretical Model (and its key constructs) may be a useful framework through which more tailored health promotion interventions can be designed.