Comparative Analysis Of Firmness And Tss Levels In Royal Delicious And Red Gold Apples Under Varying Storage Conditions

Abstract

The post-harvest quality of apples significantly influences their marketability, consumer preference and overall economic value. This study examined the effects of Total soluble solids (TSS) and firmness in two apple cultivars, Royal Delicious and Red Gold, under different storage conditions to determine the best storage environment. Apples were stored at room temperature and controlled temperature (10-15°C) for 10 days, with daily measurements of firmness and TSS levels.  Two-way ANOVA analysis showed a significant decrease in firmness over time for both varieties. However, Red Gold retained firmness better, particularly under controlled conditions. Royal Delicious consistently exhibited higher TSS values than Red Gold across all storage conditions, indicating greater sweetness. The findings suggest that Red Gold is better suited for long-term storage due to its superior firmness retention, whereas Royal Delicious, with its higher TSS levels, is more desirable for immediate consumption.  The study highlights the importance of controlled temperature storage in reducing firmness loss, extending shelf life, and preserving apple quality. These insights can assist apple producers, storage managers, and retailers in optimizing storage and marketing strategies for different apple cultivars. Further research on extended storage periods, biochemical parameters, and genetic factors is necessary for improved post-harvest management.