In the case of these trace-sugar/low-sugar type canned coffee, artificial sweeteners are used many times in combination with sugar because its sweetness and constituents may lack stability when used alone.
これら微糖・低糖タイプの缶コーヒーは砂糖単独では甘味や成分の安定性が不足するため人工甘味料と併用されることが多い。