SENSORY | COFFEE TASTER’S FLAVOR WHEEL
GREEN/ VEGETATIVE
Green / Vegetative is a core category in the inner ring of the Specialty Coffee Association Flavor Wheel. It refers to herbaceous, raw, or plant-like notes in coffee.
These flavors are linked to compounds in green beans that are only partially transformed during roasting, making them more noticeable in lighter or less-developed profiles.
In tasting, this category requires careful judgment:
controlled → fresh, light, herbal
uncontrolled → raw, grassy, astringent.
From here, move outward to refine into Olive Oil, Raw, Green/Vegetative, or Beany—each reflecting a different expression of “green” character.
Subtle distinction matters:
a clean herbal note can add complexity, while a raw or beany note often signals underdevelopment or processing issues.
This is a simplified interpretation based on materials from the Specialty Coffee Association (SCA) and World Coffee Research (WCR).
OLIVE OIL
Olive oil describes a lightly fatty but distinctly “green” flavor reminiscent of cold-pressed olive oil. It feels smooth yet carries a raw, vegetal freshness, sometimes with a slight sharpness.
In coffee, olive oil notes often appear in very light or underdeveloped roasts, where many of the natural “green” compounds in the bean remain. While interesting in small, balanced amounts, if too pronounced or poorly integrated, this note can make the cup feel oily, waxy, and overwhelmingly raw, masking other complex flavors.
RAW
Raw describes the sensation of under-roasted or even raw beans, with extremely fresh, “green,” unrefined flavors and a marked lack of sweetness.
This note is common in underdeveloped roasts, where Maillard reactions and caramelization haven’t fully converted green compounds into sweet, smooth flavors. Raw is typically considered a roasting defect, indicating the coffee hasn’t achieved the rounded, naturally sweet character expected of high-quality roasting.
GREEN / VEGETATIVE
This group is used to describe in detail the characteristic “green” and “herbal” nuances in coffee, ranging from the unripe, fresh flavors of fruit or vegetables to the deeper leafy notes and fresh herbal spices. Specifically:
Under-ripe: Suggests green, unripe fruit or beans with light sourness and a lack of sweetness.
Peapod: Fresh green-bean shell aroma, often found in lightly roasted but underdeveloped coffees.
Fresh: Lively, raw, just-picked vegetable-like sensation.
Dark Green: Deeper, more intense green leaf aroma, richer and more pronounced than “Fresh.”
Vegetable: General green vegetable notes, reminiscent of spinach, lettuce, or other leafy greens.
Hay-like: Dry straw aroma, slightly sweet but dry and brittle.
Herb-like: Fresh herbal scents such as basil, rosemary, mint, or other green culinary herbs.
BEANY
Beany is a classic and easily recognized note in the Green / Vegetative category, often found in very light roasts or under-ripe beans.
This note evokes the smell of fresh beans, boiled beans, or raw, unroasted seeds, giving the cup a rough, “green,” undeveloped character. In coffee tasting, Beany is generally seen as a sign of underdevelopment or processing faults, as it flattens the cup’s complexity and sweetness. However, being able to identify Beany flavors helps you better assess roast development and bean quality.
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