14 results about "Starch corn" patented technology

The invention discloses a method for identifying and quantifying multi-type starch adulterated sweet potato starch. The method comprises the following steps of: establishing a characteristic near infrared spectrum database of sweet potato starch, potato starch, corn starch, cassava starch and the like by taking common low-value raw material starch such as cassava starch, corn starch and the like as a doping object of sweet potato starch and taking a near infrared spectrum technology as a detection means; pre-treating the obtained spectrum by combining a stoichiometric method and establishing a multi-type identification model to realize identification of pure sweet potato starch and non-pure sweet potato starch, and predicting the proportion of the sweet potato starch in the sweet potato starch. The method disclosed by the invention has important reference significance for formulating a potato starch classification standard, can be used for quickly and accurately identifying the starch type, is beneficial to fighting against bad behaviors such as counterfeiting and adulteration of starch in the market, guides the collection, storage and processing of sweet potato starch, and helps to screen high-quality potato starch raw materials for potato starch products; and the overall value and practicability of the starch-based product are improved.

The invention discloses a basic magnesium sulfate cement cattle and sheep lick brick and a preparation method thereof, and belongs to the technical field of animal feeds, the basic magnesium sulfate cement cattle and sheep lick brick comprises the following components by mass: 30-40% of basic magnesium sulfate cement, 20-30% of salt, 10-15% of honey, 5-10% of starch, 5-10% of corncob, 5-10% of bentonite, 0.1-0.3% of feed-grade copper sulfate, 0.03-0.06% of feed-grade cobalt chloride, and the balance of water. 0.2 to 0.3% of feed-grade manganese sulfate; and 0.1 to 0.3% of feed-grade basic zinc chloride. Wherein the basic magnesium sulfate cement is prepared from magnesium oxide, feed-grade magnesium sulfate and aminosalicylic acid. According to the invention, basic stability of the lick brick is ensured, the lick brick is endowed with the ability of gradually disintegrating and releasing trace elements in the licking process of cattle and sheep, the trace elements are released quickly, high requirements of cattle and sheep on the trace elements in the stages of growth, reproduction, stress and the like can be met, and the quality of the cattle and sheep is improved. The problems of slow growth, low immunity, reproductive disorder and the like caused by lack of trace elements are effectively prevented.

The invention discloses a low-GI biscuit with a blood sugar regulating function and a preparation method of the low-GI biscuit, and belongs to the technical field of food processing. The low-GI biscuits comprise water and oil wrappers and bakery shortening dough, and the water and oil wrappers comprise buckwheat flour, low-gluten flour, edible oil, yeast and baking soda; the bakery shortening dough comprises high amylose corn starch, corn starch, edible oil, ground cinnamon and salt. Through the synergistic effect of all the components, the activity of alpha-amylase and alpha-glucosidase is inhibited, carbohydrate digestion is delayed, and the GI value is reduced. The low-GI biscuit prepared by the preparation method disclosed by the invention has a crisp taste and an antibacterial effect, and a safe and effective food choice is provided for diabetics and crowds with blood glucose control.

The present invention is directed to a yeast strain, or strains, secreting a full suite, or any subset of that full suite, of enzymes to hydrolyze corn starch, corn fiber, lignocellulose, (including enzymes that hydrolyze linkages in cellulose, hemicellulose, and between lignin and carbohydrates) and to utilize pentose sugars (xylose and arabinose). The invention is also directed to the set of proteins that are well expressed in yeast for each category of enzymatic activity. The resulting strain, or strains can be used to hydrolyze starch and cellulose simultaneously. The resulting strain, or strains can be also metabolically engineered to produce less glycerol and uptake acetate. The resulting strain, or strains can also be used to produce ethanol from granular starch without liquefaction. The resulting strain, or strains, can be further used to reduce the amount of external enzyme needed to hydrolyze a biomass feedstock during an Simultaneous Saccharification and Fermentation (SSF) process, or to increase the yield of ethanol during SSF at current saccharolytic enzyme loadings. In addition, multiple enzymes of the present invention can be co-expressed in cells of the invention to provide synergistic digestive action on biomass feedstock. In some aspects, host cells expressing different heterologous saccharolytic enzymes can also be co-cultured together and used to produce ethanol from biomass feedstock.

This invention provides a lipid microcapsule with enhanced antioxidant properties, its preparation method, and its application. The microcapsule comprises at least one wall material and a content encapsulated by the wall material; the wall material is selected from at least one of OSA modified starch and corn starch; the content comprises lipids and at least one of an emulsifier and an antioxidant; the lipids are selected from at least one of algal oil, fish oil, and krill oil; the emulsifier is a mono- or diglyceride fatty acid ester; and the antioxidant is selected from at least one of citric acid, ascorbic acid, and vitamin E. The lipid microcapsule provided by this invention has strong antioxidant properties.

The invention discloses a high-starch corn grading sorting device for mycotoxin degrading bacterium screening, and relates to the technical field of degrading bacterium screening. The treatment box is fixed on the left side of the base through a plurality of No.1 supporting legs; a feeding hopper penetrates through the top of the treatment box; the upper part of the treatment box is of a square structure, and the lower part of the treatment box is of a circular structure; the crushing mechanism is arranged at the upper part of the treatment box; the sieving mechanism is arranged in the middle of the treatment box; the mixing mechanism is arranged at the bottom of the treatment box; the connecting disc is arranged on the right side of the treatment box; a split charging mechanism and a cover covering mechanism are arranged on the connecting disc; microbial contamination in the disinfection cover is effectively eliminated, and the accuracy and reliability of experimental results are ensured; efficient treatment of corn raw materials is achieved, the problem of raw material accumulation is avoided, and the overall treatment efficiency is remarkably improved; fine screening of corn raw materials is achieved, manual intervention is greatly reduced, and a reliable guarantee is provided for subsequent experiments.

The application discloses a kind of multi-type starch adulteration sweet potato starch identification and quantification method.The present application uses common low-value raw material starch such as cassava starch, corn starch as the object of adulteration of sweet potato starch, establishes the characteristic near infrared spectrum database of sweet potato starch, potato starch, corn starch, cassava starch and the like using near infrared spectroscopy technology as detection means, combines chemometrics to pretreat the obtained spectrum and establishes a variety of identification models, realizes the identification of pure sweet potato starch and non-pure sweet potato starch, and predicts the proportion of sweet potato starch among them.The present application method has important reference significance for formulating classification standards of potato starch, can be used for quickly and accurately identifying starch type, is conducive to cracking down on market starch counterfeiting and adulteration and other bad behaviors, guides the collection and processing of sweet potato starch, helps to screen high-quality potato starch raw materials for potato starch products, and improves the overall value and practicability of starch-based products.

A vegetable snack product includes a base starch, corn flour, whole vegetable flour other than potato and corn, vegetable powder other than potato and corn. The vegetable snack product provides at least 15% of real vegetables exclusive of potato and corn and has a bulk density between about 60 g / L to about 84 g / L. An exemplary method of making a vegetable snack product includes hydrating a dry mix containing a base starch, corn flour, whole vegetable flour other than potato and corn, and vegetable powder other than potato and corn to form a dough containing from 31.5% to 35.5% of moisture. The dough may be extruded through a die slot to form a continuous sheet that may be cut to form individual snack sized pieces, which are then fried pieces to form a vegetable snack product.

The invention relates to the technical field of gene engineering and enzyme engineering, and particularly provides an alkaline amylase mutant F178A with improved enzyme activity as well as a preparation method and application of the alkaline amylase mutant F178A. The mutant is obtained by replacing 178th-site phenylalanine (Phe) of an amino acid sequence as shown in SEQ ID NO: 1 with alanine (Ala), and the amino acid sequence of the mutant is as shown in SEQ ID NO: 3. Compared with wild-type Ano amylase, the mutant has the advantages that the enzyme catalysis efficiency is obviously improved, the specific enzyme activity to soluble starch, corn raw starch, wheat raw starch and cassava raw starch is higher than that of the original enzyme, and meanwhile, the excellent properties such as the optimum temperature (70 DEG C), the optimum pH (8.0) and the thermal stability of the mutant are completely reserved. Molecular simulation shows that mutation increases the volume of an active pocket and is beneficial to substrate binding and product release. The mutant provided by the invention has wide application prospects in the industrial fields of textile desizing, starch saccharification, biofuel production and the like.

This invention discloses a method for preparing diazepam tablets, comprising the following steps: S1. Diazepam is mixed with corn starch, and 5% corn starch slurry is sprayed in under stirring to obtain wet granules. After being air-dried at room temperature until surface dry, the granules are sized to 0.5-1 mm; S2. The sized wet granules are added to a pelletizing machine, along with dicalcium phosphate and corn starch. The pellets are then sprayed with 5% corn starch slurry and sized to a particle size of 1.6-2 mm; S3. The agglomerated material from step S2 is dried and sized to obtain 1.5 mm granules. After total mixing, the granules are compressed into tablets to obtain diazepam tablets. The preparation method uses corn starch slurry to pre-coat small-diameter granules using a wet method, and then pelletizes them to obtain coarser granules. This method can reasonably control the granulation quality of diazepam and effectively avoid the problems of over-granulation or insufficient granulation.

The invention relates to the technical field of food processing, in particular to a method for preparing a starch lipid compound through a physical method. One or more of Lipu taro starch, corn starch and potato starch are adopted, the water content of the starch is adjusted to be 15%-35%, and a physical hydrothermal method is adopted for preparation. According to the preparation method, common starch and grease are not subjected to chemical treatment and enzymatic treatment, so that the preparation method is green and safe; the physical hydrothermal treatment experimental method is simple, and experimental equipment is easy to purchase; raw materials are simple to obtain and low in cost. According to the physical hydrothermal method, three kinds of starch from different sources are used for preparing experiments, the compounding effect is generated, the in-vitro digestion characteristic of the starch compound is also regulated, and the experimental method is simple and effective. In the preparation process, a proper amount of water is added, so that starch molecule recombination and compound formation are facilitated, and the structure of the compound is more stable.

The present invention refers to açai-based food composition comprising: açai pulp, vinegar, “dedo-de-moça” chili pepper, one or more flavor adding ingredients chosen from onion, garlic, tomato or their mixtures; thickening agents chosen from starch, corn sugar or mixtures thereof; salt and sugar. The present invention further relates to a method of preparation the açai-based food composition.

The disclosure relates to a fiber blend for a health benefiting nutrition formulation, comprising: a resistant starch obtained from one or more sources selected from the group consisting of green banana resistant starch, maize or corn resistant starch, and potato resistant starch, the resistant starch having a resistant starch weight; an oat beta glucan having a beta glucan weight; and a maize or corn resistant dextrin having a resistant dextrin weight. The ratio of [the resistant starch weight]:[the beta glucan weight]:[the resistant dextrin weight]=1:0.15-4:0.15-4.

The invention relates to the technical field of starch and protein deep processing, in particular to a thermal induction preparation method and application of starch-protein composite hydrogel. The composite hydrogel is prepared from potato starch (PS), mung bean starch (MBS), corn starch (CS) and cassava starch (TS) respectively with soybean protein isolate (SPI), and the starch-soybean protein isolate composite hydrogel is improved in texture characteristics such as strength, hardness, elasticity and the like and rheological characteristics compared with pure soybean protein isolate hydrogel. The potato starch-soybean protein isolate composite hydrogel has the maximum hardness, elasticity, adhesiveness, chewiness, linear viscoelastic region and storage modulus, the cassava starch-soybean protein isolate composite hydrogel has high viscidity and cohesiveness, and the strain characteristics of the prepared starch-soybean protein isolate composite hydrogel are improved. The composite hydrogel can be better applied to the field of embedding and delivery of some bioactive substances or medicines.