For that reason you need to put your National Drug Code (NDC) into a Universal Product Code (UPC) barcode in the United States. A UPC-A barcode symbol contains a GS1 GTIN-12 data structure. Here is what you need to do to convert your NDC into a GS1 GTIN-12:
How to Harvest Cilantro. 1  Cilantro leaves can be cut at any time during their growth period, but waiting until the plant is about 6 inches tall will give you optimum leaves.  Cut the outer leaves first, allowing the smaller leaves that are closer to the stalk to continue to grow and mature.
Preparation. Wash leaves and stems thoroughly. For most dishes, cilantro will taste best when thoroughly dried before chopping, especially raw dishes and when used as a garnish. The whole plant is edible so feel free to finely chop the leaves and stems together. Top stir-fries, noodle soups, and salads with cilantro.