Packer's Grade A is the quality of frozen plums processed into a purée consisting of plum liquids and finely finished skin pieces. Plum purée should:
- Possess a good color
- Be practically uniform in texture
- Be practically free from defects
- Possess a good flavor
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| Color | reasonable, uniform color, characteristic of plums of similar varieties (light, reddish-brown) |
| Defects | practically free from defects which means that the product is practically free from stems, leaves and pits |
| Character | “good character” means a reasonably uniform texture. |
| Brix | value range of 12–15 as determined by a refractometer |
| pH | 3.8–4.5 |