Potato tubers cotains less then . . . . . . . . mg solanine per 100 g fresh weight is considered safe for human consumption

Potato tubers contain less than 20 mg solanine per 100 g fresh weight and is considered safe for human consumption.
Solanine is naturally present in all potatoes, generally in the upper one-eighth of the skin. It is a colorless alkaloid with a bitter taste. Percentage of its amount is observed more in green potatoes.
Solanine is not removed by boiling, but it can be destroyed by frying.