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What factors determine the grade classification in sweet potatoes?

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Key varieties
Sep 19, 2021
Edited By
Jinwoo Cheon
Sep 19, 2021
Edited By
Jinwoo Cheon
The grade classification in sweet potatoes is determined by factors including being whole, fresh, firm, clean, free of any visible foreign matter and root hairs, and free of pests and damage.

Here are the minimum requirements of sweet potato in all classes according to ASEAN standards:

  • Whole
  • Fresh
  • Firm
  • Clean
  • Practically free of any visible foreign matter and root hairs
  • Free of sprouts
  • Practically free of foreign smell and/or taste
  • Characteristic of the variety
  • Sound, produce affected by rotting or deterioration such as to make it unfit for consumption is excluded.
  • Practically free of pests and damage caused by them affecting the general appearance of the produce
  • Practically free from mechanical and/or physiological damage such as low and/or high temperature
  • Practically free of surface moisture, excluding condensation.

Source:

ASEAN Standard for sweet potato

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