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.
Method 5 of 5: Using Frozen Cilantro. 1. Use frozen cilantro in cilantro chutney or as a guacamole starter. If you froze cilantro just on its own, without any butter or oil, you can break off a few leaves, and add it to guacamole or cilantro chutney. You do not need to defrost it.