Heating buds in an oven before infusion is necessary to activate the THC in the buds so it can be carried into the infusion, and then into the edible. The high temperatures when smoking and vaporizing instantly decarboxylate compounds in weed, making them immediately available for your body to absorb.

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Heating cannabis in an oven above 300ºF will burn off valuable cannabinoids and terpenes, and the flower will not get you high when infused with butter, oil, or anything else.Such reactions are accelerated due to the formation of a zwitterionic tautomer in which the carbonyl is protonated and the carboxyl group is deprotonated. When decarboxylating cannabis in an oven, it’s important to remember that the temperature dial on an oven is more of an average temperature than an exact one. THCA in the plant has an extra carboxyl ring in its chemical structure, and heat removes that ring, or de-carboxylates, the compound, hence where the term comes from. Consuming edibles doesn’t involve heat, as with smoking a joint or hitting a vape pen, but the decarboxylation process still needs to occur to activate the weed in the edible before consumption. Some decarboxylation can occur over time when drying and curing cannabis, after harvesting a homegrow.

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Heating weed for too long, or at too high of a temperature, can burn off cannabinoids and terpenes, making your weed ineffective. Compared to smoking and vaping, decarboxylation for edibles is done at a lower temperature for a longer period of time to keep cannabinoids and terpenes intact when infused.Oxygen can contribute to the decarboxylation process, so to slow it down, keep your weed or weed products in an air-tight container to maintain freshness and potency. Important exceptions are the decarboxylation of beta- keto acids, β,γ-unsaturated acids, and α-phenyl, α-nitro, and α-cyanoacids. Where reactions entail heating the carboxylic acid with concentrated hydrochloric acid, such a direct route is impossible as it would produce protonated carbon dioxide. The reaction is especially common in conjunction with the malonic ester synthesis and Knoevenagel condensations.

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RC(O)CO2H->T=C(OH)R{}+CO2}}} T = C ( OH ) R + R ′ COOH ⟶ T : + RC ( O ) CH ( OH ) R ′ {\displaystyle {\ce {T=C(OH)R{}+R'COOH->T\! According to a 2016 study, this chart shows how quickly THCA breaks down into THC, and CBDA into CBD, at different temperatures.Decarboxylation of aryl carboxylates can generate the equivalent of the corresponding aryl anion, which in turn can undergo cross coupling reactions. The reaction involves the conjugate base of the carboxyl group, a carboxylate ion, and an unsaturated receptor of electron density, such as a protonated carbonyl group.

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Ovens are hotter at the top and cooler at the bottom, so heating in the middle will ensure ideal decarboxylation temperature.

This will increase the surface area and create an even consistency, ensuring all your weed decarbs at the same time. Terpenes are volatile and will evaporate at high temperatures, potentially leaving undesirable flavors and aromas behind. Line the baking sheet with parchment paper or aluminum foil, and lightly break up or grind the cannabis onto it, but not too fine, to avoid burning. Usually, decarboxylation refers to a reaction of carboxylic acids, removing a carbon atom from a carbon chain.