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Know what you’re getting because the herbs in your herb rack may be fraudulent and not what they appear to be

A CBS report in the United States found that half of the dried spices it had sent for analysis were proven to be adulterated in some way. 123RF/SUBMITTED PHOTO
A CBS report in the United States found that half of the dried spices it had sent for analysis were proven to be adulterated in some way. 123RF/SUBMITTED PHOTO - The Guardian

By Mark and Ben Cullen

Special to The Guardian

“Food fraud” happens when the food in the package is not what it says on the label. The UK Food Standards Agency estimates that roughly 10 per cent of the food on supermarket shelves is adulterated and estimated costs to the global food system range from $10-50 billion per year. The Canadian Food Inspection Agency laid 52 charges for food fraud last year in Ontario alone. 

A CBS report in the United States found that half of the dried spices it had sent for analysis were proven to be adulterated in some way: corn added to turmeric, pepper added to nutmeg, and “unknown plant material” added to oregano. 

Here in Canada, researchers the University of Guelph are working on a DNA-based approach to improve regulatory processes and make it easier to combat food fraud and help our country maintain our reputation for food integrity. With obvious risks to public health, the environment, and consumer confidence there is a lot of motivation to get to the root of the issue. 

Many commonly used herbs are very simple to grow, and even tastier than the best product available at the stores. We recommend that you try growing some for yourself. Here are some of the best to start indoors now:

Oregano is easy to grow and easy to fake. Many different dried leaves can be crushed to look like oregano. Growing oregano is about as easy as putting the seed in well-drained soil and adding water. As a perennial crop, you can expect it to come back year after year, and it will spread. It is so aggressive that some gardeners prefer to grow it in a container, where it can be more easily controlled. Container grown oregano demands at least a 30 cm pot (12-inches) diameter as the plants like space. Oregano can be frozen or dried for year-round use. 

Preserving. The best way to freeze oregano is to wash and chop it into pieces about the size of a dime. Spread out on a few paper towels and allow to dry then put it into ice cube trays and add enough water to cover the contents, then freeze. The cubes can be transferred to a bag and kept for up to six months. Parsley can also be frozen this way.

To dry oregano, arrange the cuttings on a cookie sheet lined with parchment paper. Put the sheet in the oven for 1 to 4 hours around 150 degrees F, with the oven door cracked open. Drying times vary, so watch closely. Store in an airtight container, and crush when you’re ready to use. Parsley, thyme, rosemary, sage, dill, and mint all lend themselves to this method of drying as well. 

Garlic: if you don’t have it in the ground already, put it on your list to plant next fall. Plant your garlic cloves “pointy side up” in a well composted soil, and cover with mulch, such as straw. You can harvest the scapes (the pig-tale shaped flower buds) in July, and by mid-August you will have fully developed garlic bulbs for harvest. The bulbs store well on their own, but if you like garlic-powder, peel the garlic, cut them into thin slices and dry them in a pan in the oven at 150 degrees F, turning often. Once dried, grind in a mortar and pestle or blender and sift to separate the powder from the chunks. Both the powder and the chunks are flavourful and can be stored in airtight containers. 

When you grow your own you can cook with a pinch of confidence, and a dash of your favourite flavours.

Mark Cullen is an expert gardener, author, broadcaster, tree advocate and holds the Order of Canada. His son Ben is a fourth-generation urban gardener and graduate of University of Guelph and Dalhousie University in Halifax. Follow them at markcullen.com, @markcullengardening, on Facebook and bi-weekly on Global TV’s National Morning Show.

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