​ALCOHOL PREPARATIONS:

Caribbean Planifolia and Pompona as well as Indonesian and Bourbon Vanilla Planifolia: Their rich and aromatic flavour complements alcohol preparations such as rum arrangements, adding depth and complexity.

 

ORGANOLEPTIC PROFILES:

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Vanilla PLANIFOLIA and TSY TAITRA: Vanillin-dominant, with vanillic acid, p-hydroxybenzaldehyde, p-hydroxybenzoic acid; secondary guaiacol, 4-methylguaiacol and acetovanillone. A classic creamy, sweet, warm and balsamic, with cocoa, caramel, woody and sometimes slightly smoky notes. The most recognisably “vanilla-like” profile. Offers a classic vanilla flavour, ideal for various sweet recipes including desserts and baked goods. — VANILLYL → creamy, sweet, balsamic, classic vanilla

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Vanilla TAHITENSIS Tahiti and Haapape: A classic, elegant, powerful and versatile, with less than 1 ppm of piperonal it's not heliotropin but anisaldehyde, anisyl alcohol, anisyl acetate, and vanillin that characterize it. Floral, anise-like, almond, cherry, marzipan and fruity, often with soft vanilla underneath. More perfumed and airy than Planifolia. — ANISYL + VANILLYL → floral, almond, anise, fruity

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Vanilla POMPONA: Vanillyl + anisyl, with vanillin, anisyl alcohol, anisic acid, anisaldehyde and highly potent secondary odorants that vary strongly by terroirs. Rich, deep and complex, vanilla, almond/anise, ripe fruit, floral, spicy, sometimes cherry, tobacco, earthy or slightly mushroom-like. Much more variable than Planifolia. — VANILLYL + ANISYL + complex secondary odorants → rich, fruity, spicy, floral, earthy

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Vanilla CRIBBIANA: Vanillyl + hydroxybenzyl + anisyl: vanillin, p-hydroxybenzoic acid, p-hydroxybenzaldehyde, anisic acid, vanillic acid, anisyl alcohol. Dense vanilla with balsamic, almond, floral and slightly medicinal/woody nuances. Often more structured and less simply “sweet vanilla” than Planifolia. Known for its versatility, suitable for a wide range of sweet and savory dishes. — VANILLYL + HYDROXYBENZYL + ANISYL → dense vanilla, balsamic, almond, woody

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Vanilla COSTARICENSIS: Vanillyl + hydroxybenzyl: vanillin, vanillic acid, vanillyl alcohol, p-hydroxybenzaldehyde and p-hydroxybenzoic acid. Species-wide signature still needs stronger analytical confirmation. Likely warm vanilla, balsamic, woody and slightly phenolic, with less of the overt anisic/perfumed character found in Tahitensis or Chamissonis. — VANILLYL + HYDROXYBENZYL → warm vanilla, balsamic, woody

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Vanilla CHAMISSONIS: Strong anisyl + benzyl profile: anisyl alcohol, anisaldehyde and benzyl alcohol, with a secondary vanillyl/hydroxybenzyl background. Highly aromatic, floral and almond-like, with anise, cherry/marzipan, sweet balsamic and sometimes honeyed or perfumed notes. Usually much less vanillin-centred than Planifolia. — ANISYL + BENZYL → floral, almond, anise, marzipan, perfumed

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Vanilla BAHIANA: Anisyl + phenolic/woody profile: anisyl alcohol, acetovanillone, p-hydroxybenzyl compounds; depending on population, 4-ethylphenol, methyl salicylate, estragole and fatty esters. Woody, spicy, balsamic and aromatic, with anise, herbal, resinous and sometimes wintergreen-like or slightly smoky notes. Often distinctly less “dessert-vanilla” in character. — ANISYL + PHENOLIC/WOODY → woody, spicy, herbal, resinous

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Vanilla ODORATA: Compounds include vanillin, vanillyl alcohol, vanillic acid, anisyl alcohol, p-hydroxybenzaldehyde and p-hydroxybenzoic acid. Some Mexican populations are strongly vanillin-dominant; others are strikingly rich in anisyl alcohol.Floral, sweet, anisic and perfumed, combining classic vanilla with almond/anise, ripe-fruit and balsamic nuances. Depending on terroirs, it can range from surprisingly Planifolia-like to much more Tahitensis-like. — VANILLYL + ANISYL → vanilla, floral, sweet, almond/anise, balsamic, fruity/perfumed

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Vanilla SOTOARENASII: Vanillyl alcohol dominant, followed by p-hydroxybenzoic acid and p-hydroxybenzyl alcohol; anisic acid and anisyl alcohol also substantial, while vanillin is comparatively low. Soft vanilla, balsamic and woody, with floral, almond/anise and slightly sweet-powdery nuances. Less strongly “vanillin-like” than Planifolia and potentially more complex between vanilla, balsamic and anisic families.— VANILLYL + HYDROXYBENZYL + ANISYL → soft vanilla, balsamic, woody, floral, almond/anise, slightly powdery

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Vanilla ROSCHERI: No peer-reviewed HPLC/GC-MS characterization of cured V. roscheri fruits establishing vanillin, anisyl, benzyl or other key flavor compounds. Not scientifically assignable from molecular data yet. We describe it as woody, spicy, floral, liquorice/cinnamon-like and slightly tart notes, but these are sensory notes rather than a chemically validated profile. — UNKNOWN / TO BE CHARACTERIZED → no scientifically defensible molecular-to-sensory classification yet.

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The key idea is that species identity is better expressed as a balance between molecular families than as “one molecule = one species.” That is particularly important for Pompona, Costaricensis, Bahiana, Chamissonis, and endemic vanilla species generally.

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VANILLIN CRYSTALS?

Vanillin is not an essential oil. It is 4-hydroxy-3-methoxybenzaldehyde, therefore a crystalline phenolic aromatic aldehyde which precipitate and crystallize. It's a chemical reaction. Within properly cured and stored vanilla pods vanillin functions as an important conservative, and its content should rise enough during the curing and refining processes in order to stimulate natural immune resistance to mold and create delicious dark fragrant vanilla smell and flavours. Vanillin crystals are a natural concentrate and a sign of vanillin presence in the vanilla pods, but also a sign that the molecule is migrating outward which mean a loss of aromatic compounds too. You can recognise them as they shine in the light and look like white spines or literally shiny sharp glass-like tiny rocks looking like “diamonds” of vanilla, such as the THC residue on excellent marijuana plants. When vanilla pods have a high vanillin content they can be kept for years under excellent storage condition, in glass tubes or glass jars well protected from light, air and heat. Crystallised Vanilla pods also have an amazing and powerful smell and tend to look more dry out over time so the smell and flavor packs into the plant matter, but does not diffuse aromatically through the air without interaction or extraction. The flavor literally soaks deep into the skin and seeds and retains inside the pod or epicarpe, for as long as stored properly.

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A high vanillin content may favour crystallization, but there is no scientifically established universal threshold. Frost formation depends on the interaction of vanillin concentration, moisture, maturity, curing and storage conditions. Experiments by the USDA already demonstrated that some cured vanilla pods containing 2.89% vanillin produced no crystals, while other pods with 2.37% vanillin did crystallize. This means that total vanillin concentration alone cannot predict whether a vanilla bean will frost. Vanilla frost results from free vanillin migrating toward the surface of the pod and crystallizing there. Several factors influence this process such as vanillin concentration + moisture content + maturity of the bean + distribution of vanillin within the tissues + curing method + temperature + conditioning time + storage conditions. Water loss is particularly important because it changes the local concentration and mobility of vanillin. The curing process also strongly affects whether crystals form. How fast it happens also influence crystals shapes. Another important point is that the vanillin measured analytically is an average concentration for the sampled bean, while crystallization happens locally at the surface. A bean can therefore have a high overall vanillin content without reaching the local conditions necessary for crystallization. Official specifications for Réunion Island IGP vanilla reinforce this conclusion with the specification of 1.8% vanillin on a dry-matter basis, and fresh frosted vanilla pods containing 2.0% vanillin.

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High vanillin does not mean automatically frosted vanilla. Frost is a physicochemical crystallization phenomenon, not an absolute indicator of vanilla quality.

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FEW TIPS:

Vanilla extraction is more complex than the common idea that “fat extracts vanilla better” or that “time matters more than temperature.” Scientific studies show that polar solvents are particularly effective at extracting vanillin, and temperature can have a substantial effect on extraction efficiency. In one study, increasing the extraction temperature from 90°C to 100°C increased vanillin extraction by roughly 30%. Milk-based systems show another important phenomenon: as fat content increases, the amount of free vanillin decreases. Fat can retain or bind some aroma compounds and alter their release into the air and therefore their sensory perception. Vanilla extraction therefore depends on several interacting parameters: partition + polarity + volatility + temperature + time + composition of the medium + contact surface. Fat can be useful for certain aromatic molecules, but it is not universally a “better extractor.”

 

Likewise, long cold infusion can produce excellent sensory results, but it cannot be considered scientifically superior for every vanilla species or every aromatic compound. The real question is not simply fat or water, hot or cold, but which molecules we want to extract and how they behave in a particular medium.

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Likewise sugar crystals on fruit jellies, what about natural vanillin little crystals rocks instead? Whether rocks or needles shaped, Vanillin crystals are little gems that can be scraped and reserved aside to add last on your recipe while dressing the plate. Whilst the vanilla seeds don't need to be cooked and its epicarp can be slow cooked at a low temperature, the vanilla crystals bring this elegant final touch with vanillin needles crystals sprinkled on top and little crystals rocks all around, adding an explosive hint of vanilla on the palate.

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Vanilla Storage: *Is Refrigeration Really Bad for Vanilla? It is often claimed that vanilla should never be refrigerated, because cold temperatures supposedly dry out the pods or damage their aromatic compounds. Scientific evidence does not support such an absolute rule but show something quite interesting: in 2024 a controlled study examined Vanilla planifolia stored for up to 24 months at −20°C, 4°C, 25°C and 35°C. The most chemically stable conditions were −20°C and 4°C. By contrast, higher storage temperatures and longer storage times increased oxidation-related metabolites and progressively modified the aromatic profile. At 35°C, significant changes in aroma and colour were observed. This does not mean that every consumer should automatically store vanilla in the refrigerator. Practical conditions remain extremely important. Repeated opening and closing of a cold container cause condensation, and the initial moisture level of the pods, the type of packaging, oxygen exposure and temperature fluctuations influence preservation and mould risk. The more accurate conclusion is therefore that cold itself does not inherently “destroy” vanilla aroma. Properly controlled low-temperature storage can actually slow chemical degradation. The main risks arise from poor moisture control, condensation, oxygen exposure and unstable conditions due to repeated opening, rather than from the cold itself.

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The diversity of vanilla species offer a wide spectrum of aromas and flavours and can be creatively utilized to elevate your culinary creations, from sweet indulgences to savory delights and everything in between. Remember that on top of the terroirs, personal preference plays a significant role, so feel free to experiment different vanilla species & terroirs to find the flavours that best suit your palate and the specific dishes you're preparing.

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