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Major, Active, and Passive Constituents (The “M.A.P.”)

Essential oils are complex, so we’ve created the M.A.P. system to make it easier to understand what’s inside each one. M.A.P. stands for Major, Active, and Passive constituents – three groups of compounds that each oil contains. Here’s a quick guide to what those terms mean: • Major Constituents: These are the primary.players in an oil – the compounds found in the highest amounts. Major constituents usually define an oil’s signature aroma and a big part of its effect. For instance, menthol is a major constituent in peppermint oil, which gives it that familiar minty coolness, and linalool is a major constituent in lavender. Major contestants are like the lead actors in a film: they set the stage and drive the main action. • Active Constituents: These are the power.hitters. Although they may not be as abundant, they have notable therapeutic effects. Active constituents are often well- known to science for their specific

benefits. Think of them as scene- stealers or specialists. For example, 1,8 -cineole in eucalyptus is an active constituent renowned for its respiratory support, and although it’s a major component of eucalyptus, in some oils, an active constituent might be present in a smaller amount yet pack a significant punch. These compounds are the ones that research often focuses on for health benefits. • Passive Constituents: These are the supporting.cast. They’re the numerous other compounds present in smaller quantities. Don’t let the name “passive” fool you – while they don’t take a leading role individually, they contribute to the oil’s overall balance, stability, and subtle nuances. Passive constituents can modulate how the majors and actives work, smooth out an oil’s aroma, or help ensure that the oil isn’t too overpowering in any one direction. In our analogy, they’re like background musicians or team members who make sure everything runs smoothly and harmoniously. All three types – major, active, and passive – work together in each drop of oil. Imagine that an essential oil is like a jazz band: the majors are playing the main melody, the actives deliver those exciting solo riffs, and the passives keep the rhythm and harmony flowing in the background. When you understand who the players are, you can better appreciate why each oil has its unique personality and effects . In this guidebook, we’ll often refer to an oil’s So, what happens when you inhale the aroma of lavender or apply a drop of peppermint oil? Those major, active, and passive constituents come into play, interacting with your body’s systems. Each constituent has a unique shape and chemical profile that can influence us in different ways. For example, some bind to receptors in our nervous system, others interact with our cells or enzymes, and still others act as antioxidants or support our immune system. For example, the main ingredients of lavender (like linalool and linalyl acetate) are believed to exert calming effects by interacting with the brain’s GABA receptors . The same receptors help regulate anxiety. This is a bit like finding the right key for a lock: the constituents are the keys, and our body’s receptors are the locks. When they match, a beneficial action can occur (such as muscles relaxing or mood lifting). major, active, and passive constituents to explain how it works. How These Constituents Work in Your Body