Why Does Cilantro Taste Like Soap?

Fresh cilantro surrounds a bar of soap

If you've ever taken a bite of a fresh salsa or a vibrant curry only to be hit with a soapy flavor, you're not alone. For those it doesn't effect, it's crazy to think about. But for many, cilantro is a polarizing herb that can evoke strong "no thanks" reactions.

The reason is that our genetic makeup helps play a role in how we perceive cilantro. Some folks have specific genes that make them more sensitive to certain compounds in the herb. That sensitivity in turn delivers the "soapy" taste. Unlike Ralphie in a Christmas Story, no one should fear going blind over this.

Chemical Compounds in Cilantro

Cilantro contains specific chemical compounds such as E-2-alkenal and aldehyde. These compounds, particularly E-2-alkenal, create a flavor profile that is perceived differently based on individual sensitivity. Several studies support this, including research published in Nature, that highlights how these compounds bind to taste receptors differently.

Culture & Genetics

Cilantro's acceptance varies across cultures and cuisines. Variations in cilantro acceptance predominantly arise from genetic predispositions and cultural influences.

Individuals in countries like Mexico and India often embrace cilantro for its fresh, vibrant flavor in traditional dishes. In Mexican cuisine, cilantro enhances dishes like salsa, guacamole, and tacos, contributing freshness and complexity. In Indian cooking, it's integral to curries, chutneys, and garnishes, adding depth to spicy flavors. Asian cuisines, such as Thai and Vietnamese, utilize cilantro in salads and soups, emphasizing its herbal notes.

A bowl of fresh salsa next to a handful of fresh cilantro leaves

However, approximately 10% to 15% of the global population experiences a pronounced dislike for cilantro. Genetic factors significantly influence how people perceive cilantro's flavor.

A common genetic trait is linked to the OR6A2 gene, which encodes a receptor that detects aldehyde chemicals. Individuals with this gene have heightened sensitivity to the aldehyde present in cilantro. One study from Flavour states, "The proportion of subjects classified as disliking cilantro was 21% for East Asians, 17% for Caucasians, 14% for those of African descent, 7% for South Asians, 4% for Hispanics, and 3% for Middle Eastern subjects."

Cooking Strategies for Enjoying Cilantro

Only you can decide whether or not you enjoy the taste of this herb. That said, here are

  1. Use Fresh Cilantro: Fresh leaves minimize the potency of the compounds responsible for the soapy flavor.
  2. Incorporate Lime or Lemon Juice: Citrus can balance cilantro's flavor. The acidity of lime or lemon juice counters the soapy taste.
  3. Combine with Stronger Flavors: Pairing cilantro with robust ingredients, like garlic or chili, can mask the flavor. Heavy spices or bold sauces can do the trick.
  4. Chop Finely: Finely chopping cilantro can increase its integration into dishes, making its flavor less pronounced. Proper dispersion creates a better blend.
  5. Cook with Heat: Cooking cilantro can lessen its intense flavor. Like onions, for example.

Other Herbs to Use

  1. Parsley: Flat-leaf parsley serves as an excellent substitute.
  2. Basil: We can totally see how Basil's sweet and aromatic pungency can overpower the herb. Case rested.
  3. Mint: Because who doesn't like fresh mint? It pairs beautifully with dishes like tabbouleh and eliminates the need to use cilantro.
  4. Dill: Dill's unique taste can be used to mask the soapiness in salads and dressings. Dill is particularly effective in Mediterranean cuisines where cilantro often appears.
  5. Culantro: Though similar in name, culantro has a different flavor profile. Culantro is stronger than cilantro and can serve as a direct replacement in your meal prep.

Frequently Asked Questions

Why do some people dislike cilantro?

Some people dislike cilantro due to genetic factors that influence taste perception. Specifically, a variant of the OR6A2 gene can make individuals more sensitive to the chemical compounds in cilantro, resulting in a soapy taste.

How prevalent is cilantro aversion among the population?

Approximately 10% to 15% of the global population expresses a strong aversion to cilantro.