Survey of Glycoalkaloids Content in the Various Potatoes

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  • 各種ジャガイモ中のグリコアルカロイド含有量調査
  • カクシュ ジャガイモチュウ ノ グリコアルカロイド ガンユウリョウ チョウサ

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The content of potato glycoalkaloid (PGA) was investigated in 27 cultivars of raw potatoes and 31 potatoes in commercial foods with peel. The investigation of the 27 cultivars of potatoes showed different contents of glycoalkaloids. “May queen” and “Sherry” showed high contents of PGA (180 mg/kg and 320 mg/kg, respectively) among the raw potatoes of middle size (ca. 100 g). On the other hand, “Inca red” showed the lowest content of 21 mg/kg. Higher contents of PGA were found in smaller potatoes in this study. The content of PGA varied in the range of 48-350 mg/kg in the potatoes in commercial foods with peel.

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