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.
1 When you choose where to plant cilantro/coriander, focus on soil that drains well. 2  If you dig a 12â³ x 12â³ x 12â³ hole, fill it with water, and allow it to drain, it should drain within 3 hours or you should add organic matter and possibly sand to your soil to aid the drainage. When it gets hot in the summer, cilantro will often âbolt.â Bolting means it goes to seed. 2  You can plant âslow boltingâ varieties in the shade of taller plants in hot climates to keep it from bolting, unless you are growing it specifically for coriander.