Small-Scale Chinese Acid-delta-lactone Production: Workshop Formula, Ratios & Method
In short: Small-Scale Chinese Acid-delta-lactone Production: Workshop Formula, Ratios & Method. This entry documents a formula & ratios 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 3627 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.
New preparation method of gluconic acid-delta-lactoneThis product has begun to be known as a new coagulant for tofu. The tofu made with this coagulant has a tender texture and strong water retention, so the quality and yield can be improved. In fact, the uses of this product go far beyond making tofu. In recent years, this product has been widely used as a swelling agent in the production of cakes and breads, and as an additive for ham, sausages, and fish cakes. The demand for it in civil construction, medicine, cosmetics, and detergents is also increasing.In the past, the method of producing this product generally used a two-step process: the first step was to oxidize glucose, and the second step was to lactonize the obtained gluconic acid. In industry, oxidation is carried out through fermentation, and alkali should be added to the culture solution, so the reaction process is carried out within a pH value of 5 to 7. However, it is relatively complicated to separate the required gluconic acid component from a mixture containing alkali, unreacted glucose, nutrients required for microbial reproduction, and bacterial excretion. …
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