people were using acids and bases long before they understood them. foods were aged creating a sour taste. something that tasted sour was referred to as oxein in greek and acere in latin, which means “to make sour.” our word “acid” comes from this. over time, people discovered that things that tasted sour shared similar properties. it was not until more recently that the chemistry behind acids and bases was understood.
foods were aged/ creating a sour taste.

식품은 숙성되었다/ 신맛을 내면서.식품은 신맛을 내면서 숙성되었다.

creating a sour taste 부분을 분사구문으로 보면 되나요?
분사구문 앞에 쉼표를 두지 않고 이렇게 뒷부분에 위치시켜도 되나요?

이 문장을식품이 오래되면 신맛을 낸다.---- 오래된 식품은 신맛을 낸다로 해석해도 될까요?