Other than some cooking oil and chocolate flavoring, most of the products so far are not food but food-related, and involve food storage or preparation — items such as cutting boards.

除了一些食用油和巧克力调味品，这些使用了纳米材料的产品大部分并非食品本身而只是和食品有所关联，并且会参与到食品的储藏和制备过程中——比如说砧板。

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The bitter chocolate used for cooking or making dark chocolate contains mainly cocoa solids and cocoa butter.

苦巧克力常常用于烹饪或制作黑巧克力。

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