焼き始めのオーブンスプリングはなぜ起こる？

Kitchen Science

Oven spring is mainly caused by rapid expansion of gas already trapped in the dough during the first minutes of heating. Research also points to continued yeast CO₂ production, vaporization of dissolved CO₂ and ethanol, and water vaporization. Steam can keep the dough surface flexible, allowing more expansion; oven spring ends as starch gelatinizes, proteins coagulate, and cell walls lose plasticity or rupture.

A study of bread baking describes oven spring as the combined result of gas-cell expansion, increased CO₂ production until yeast is inactivated, and vaporization of CO₂, ethanol, and moisture. The dough’s gluten-based structure and liquid films help hold the cells together, while steam condensation can plasticize the surface and delay setting. Expansion stops when heating sets the crumb through starch gelatinization and protein coagulation, or when cell walls rupture and neighboring cells join. These mechanisms are well described in research, but the exact contribution of each depends on the dough, yeast, oven temperature, and steaming conditions.

What this answer does not cover

• This synthesis uses titles and abstracts, not a full-text systematic review.
• Bibliographic index coverage and metadata can be incomplete or delayed.
• Retraction and publication-status metadata can be incomplete across connected indexes.
• Paper quality and risk of bias were not independently assessed.
• This synthesis is based on titles and abstracts rather than full-text methods, results, and figures.
• The evidence combines reviews, studies of wheat or chemically leavened dough, a thesis record, and work on specialized breads, so it does not establish one universal explanation for every bread recipe.
• One study discusses oven rise in relation to steaming but its available description ends partway through the discussion of surface plasticity.
• The records dated in 2026 are future-dated relative to many of the other sources; their findings should therefore be treated cautiously until independently verified.

Papers used (8)

1. The entrainment and evolution of gas bubbles in bread dough—A review — Cereal Chemistry, 2023
2. Dynamics of gas cell coalescence during baking expansion of leavened dough. — Food research international (Ottawa, Ont.), 2018
3. Gas cell stabilization by aqueous‐phase constituents during bread production from wheat and rye dough and oat batter: Dough or batter liquor as model system — Comprehensive Reviews in Food Science and Food Safety, 2021
4. Contribution to the optimization of the baking products : study of bread dough gas cell wall rupturephenomenon
5. Effect of Temperature on the Solubility of CO2in Bread Dough — International Journal of Food Properties, 2010
6. Yeast strains with varying oven rise performance show distinct effects on dough gas cell stability and bread crumb structure — Food Chemistry: X, 2026
7. Impact of steaming conditions on the structure and on the properties of bread crust; in the case of a crispy roll — DIGITAL.CSIC (Spanish National Research Council (CSIC)), 2011
8. Unraveling the mechanism of improved gas cell structure in rice bread by radio-frequency-controlled gelatinization degree: A focus on protein-starch matrix and dough liquor interface. — Food Research International, 2026

Answer last checked 2026-10-15T11:14:32.936Z. Answerlog reads titles and abstracts, not full papers, and does not assess study quality or claim consensus.

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