Abstract
The maintenance of fresh pineapple shelf life is a significant challenge in the market. In this context, coating is a good method used to maintain the quality of the fruits during storage. Since the materials required for the process are dependent on imported products, there is a need to develop alternatives from locally available resources. Therefore, this study aimed to determine the responses of GP3 and MD2 pineapple clones to different materials as post-harvest treatments, including Sta-Fresh 2952, OE6012, palm stearin, and chitosan. The treatments were stored at 7°C and observed on days 0, 7, 14, 21, 28, and 35. The results showed that GP3 clones were more susceptible to internal browning (IB) disorders, leading to an early onset on day 14 compared to MD2. Furthermore, a Brix value of 13.9% and vitamin C content of 52 ppm were reported at the end of storage, which were significantly lower compared to MD2 with 16.4% and 586 ppm, respectively. Based on these findings, the quality of GP3 clones was not suitable for consumption as fresh pineapple. The coating could not prevent IB disorders or respiration rate but had significant effects on fruit weight loss. Meanwhile, the Sta-Fresh 2952 treatment consistently reduced weight loss by 11.8% over 35 days of shelf life.
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