EFFECT OF INDIGENOUS TECHNIQUES ON POSTHARVEST QUALITY AND SHELF LIFE OF MANGO

The present experiment was undertaken with the aims to study the effects of postharvest treatments on physical, biochemical, microbial properties and shelf life of mango. Different treatment viz. T1: Control, T2: Mango wrapped in tissue paper, T3: Mango wrapped with polythene, T4: Mango dip with lemon grasses sap coating, T5: Mango dip with neem sap coating, T6: Mango dip in garlic extracts coating, T7: Mango dip in mustard oil coating, T8: Mango dip in aloe gel coating, T9: Mango pre-cooled at 3°C for 30 minutes, T10: Mango kept in normal earthen pot with lid, T11: Hot water treatments, T12: Mango dip in CaCl2, T13: CaCl2 + Hot water treatment, T14: Hot water treatment + Polythene wrapping were applied with 3 replication under CRD experimental design. At 9th days after storage, the highest weight loss of mango (3.63%) and the lowest (3.30%) was recorded from treatment T13, the highest moisture content of mango (76.00%) and the lowest (71.00%) was recorded from treatment T8, highest dry matter content of mango (34.33%) and the lowest (19.67%) was recorded from treatment T5. It was found that the shelf life of mango was the longest (23.00 days) at treatment T6 and the shortest shelf life (12.00/days) at treatment T11. At 9th Days after storage disease incidence was maximum (46.66%) in treatment T11 and minimum disease incidence was recorded from treatment T6 (11.11%). The lowest disease severity levels (6.66%) was found in mango from treatment T6and highest (39.10%) was recorded from treatment T11. At 9th days after storage, the highest pH (5.31) was recorded from treatment T6, the highest TA of mango (0.34%) was recorded from both T5and T13 treatment, the highest TSS of mango (14.33%) was recorded from treatment T14, the highest vitamin C content of mango (29.67 ml) was recorded from treatment T2, the highest anthocianine content of mango (27.42 ml) was recorded from treatment T2. So, it can be concluded that, treatment T6 in best for diseases incidence and disease severity point of view. On the other hand, treatment T6 showed longest shelf life during storage. In the biochemical point of view treatment T6 can be consider best due to containing highest amount of vitamin C during different storage period.