What is Fermented Broad Bean (Douban)?

Fermented Broad Bean (Douban) is a fermentation & aging documented in the Chinese Practical Production Technology collection. The entry keeps the original material list, quantities and sequence, so you can follow the method as printed.

Is this an authentic Chinese method?

Yes. The underlying text is from mainland Chinese workshop literature aimed at small producers and home makers; the English on this page is a direct translation with the original numbers and steps preserved.

What do I need to get started?

Standard kitchen or workshop vessel, the raw materials in the stated ratios, salt or starter as listed, and somewhere to hold the batch at a stable temperature.

How long does it take?

The timing depends on your climate, batch size and equipment rather than on the text; the source records the process sequence rather than fixed hours, so follow the stages and check the material state at each one.

Can I run this as a small business?

Many entries in this collection were written with small-scale and home production in mind. Before selling, confirm the food-safety, labelling and local-registration rules that apply where you operate.

Is the full text available?

The complete English translation is in this article and is the same text used for the PDF download. Buying the PDF unlocks the full document without the preview cutoff.

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Traditional Chinese Fermented Broad Bean (Douban): Fermentation Process, Recipe & Home Production Guide

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In short: Traditional Chinese Fermented Broad Bean (Douban). This entry documents a fermentation & aging taken from Chinese practical-technology literature, written for small-scale makers and home producers. The text below is the full English translation of the original Chinese workshop notes, covering materials and quantities, the step-by-step sequence, and the practical cautions recorded in the source. Roughly 1478 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.

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TangdubanSugar bean paste is made from fresh green broad beans. Every year from the Beginning of Summer to the Dragon Boat Festival, when fresh broad beans first come on the market, you can choose broad beans with green and large grains, boil them with oil to make green bean paste (or oil bean paste), scoop them up and seal them, and then process them into sugar bean paste for sale. The supply time is very short every year, usually only more than two months. It is a seasonal product in early summer and a specialty in the Jiangnan area. …

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