Origin Fruit Group Mango Packing Protocol

QUALITY STANDARDS

*Images from Queensland Mango Quality Assessment Manual

Quality control DEFECTS | ALL EU CLASS I

UNDER SKIN BROWNING involves damage to res in canals and "Disorder X," resulting in browning of the cell layers beneath the skin. The affected area appears opaque due to an unaffected waxy layer, but it is not sunken and does not affect the flesh. It is usually not vis ible at harvest. The causes remain uncertain but may in clude fruit nutrition, rapid temperature reduction during forced air cooling after packing, and excessive or incor rect storage conditions. SKIN GREYING is characterised by light grey discol ouration, usually patchy and scattered across the skin. The affected areas are not sunken and do not affect the flesh. The damage is not limited to lenticels. It is typi cally caused by storage at temperatures below 10 ˚C for more than seven days, with lower temperatures accel erating the damage.

NO

NO

NO

NO

NO

LENTICEL DISCOLOURATION involves small ‘haloes’ around the lenticels, which can be red or grey on non-blushed areas or dark brown or purple on blushed areas. In severe cases, these haloes overlap, causing widespread discolouration. This is often seen in con junction with lenticel spotting at harvest. The condition is more common after prolonged rain before harvest and in fruit from young trees with high nitrogen. It can also worsen when ooze sap is left on the fruit too long, particularly at contact points, or due to irradiation used for insect disinfestation.

NO

FLAT AREAS typically appear on the nose of the fruit, with no skin damage or discoloura tion. This is usually caused by compression from trays stacked above the fruit on the pallet.

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Origin Fruit Group | Mango Packing Guide