[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C@@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O].[K+1]"}, {"from": "gpt", "value": "The molecule is an organic potassium salt of L-tartaric acid. It is a by-product of winemaking and occurs naturally in grapes, the major fruit used to produce wine. It has a role as a food anticaking agent, a laxative, a plant metabolite, an antimicrobial agent, a raising agent, a food acidity regulator, a food humectant and a food stabiliser. It contains a L-tartrate(1-)."}]