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This invention provides a method for preparing germinated oat flakes based on a pretreatment with a medicinal and edible extract, comprising the following steps: S1, treating medicinal and edible components to obtain a medicinal and edible extract; S2, adjusting the pH of the medicinal and edible extract to 4.0-8.5, and adding cellulase to the extract to obtain an enzyme-containing extract; soaking washed oat grains in the enzyme-containing extract to obtain soaked oats; S3, germinating the soaked oats to a predetermined sprout length to obtain germinated oats; S4, steaming the germinated oats using steam generated from the medicinal and edible extract; S5, drying and pressing the steamed oats to obtain germinated oat flakes. The medicinal and edible components include plant materials containing polysaccharides and phenolic compounds.

This invention relates to a molding process. In particular, this invention relates to an improved two-layer molding process that allows for the selective and localized deposition of an additional cellulose layer only at points detected as critical, with the aim of enhancing its mechanical and aesthetic features.

This invention discloses a method for preparing a standard decoction of Apocynum venetum leaves and its quality testing, belonging to the field of traditional Chinese medicine quality research technology. The invention includes the following steps: Weigh an appropriate amount of Apocynum venetum leaf slices, place them in a clay pot, and decoct twice. For the first decoction, add 12 times the amount of water, soak for 30 minutes, bring to a boil over high heat, then simmer over low heat for 30 minutes. For the second decoction, add 10 times the amount of water, bring to a boil over high heat, then simmer over low heat for 20 minutes. Filter the decoction through a 200-mesh sieve, cool the filtrate to room temperature in a cold water bath, combine the two filtrates, and concentrate under vacuum at 50°C and an absolute vacuum of 30–40 mbar until a fluid extract with a weight ratio of approximately 1:1 is obtained. Collect the concentrate and freeze-dry to obtain the sample. This invention determines the main content, characteristic chromatograms, and extractives of Apocynum venetum leaves after decoction preparation, and investigates the transfer rate. It provides an objective quality standard to measure the component transfer from the slices to the decoction, ensuring the quality and effectiveness of the decoction.