On the basis of the inherent characteristics of natural starch, in order to improve the properties of starch and expand its application range, physical, chemical or enzymatic treatment is used to introduce new functional groups on starch molecules or change the size of starch molecules and the properties of starch granules. Thereby changing the natural characteristics of starch (such as: gelatinization temperature, thermal viscosity and its stability, freeze-thaw stability, gel strength, film-forming, transparency, etc.), making it more suitable for certain application requirements. This starch that has undergone secondary processing and changed its properties is collectively referred to as modified starch.
As one of the important raw and auxiliary materials in industry, modified starch can be widely used in papermaking, food, textile, construction, medicine and other industries. The production enterprises shall actively develop new products and expand the application fields of modified starch. Modified Starch,Modified Potato Starch,Modified Corn Starch,Modified Starch ADAMYL 2075,Modified Starch E1422 Henan Chuange Industry CO.,LTD , https://www.chuangegroup.com
For the crude oil importer in the past week, it was a bit shocking. On May 3rd, OPEC organized seven markets to monitor crude oil's average price above US$34 per barrel. The four-day gain never diminished. On the 5th, it broke through the US$35 per barrel mark and reached US$35.30, marking a new high in 13 years. On the 8th, on the first working day after China’s May 1 holiday, news came from the New York Stock Exchange that the price of light crude oil had approached 40 US dollars. Although the international oil price is soaring, it is impossible to immediately respond to domestic refined oil prices. However, such a high fever has caused many companies and even ordinary consumers in Shanghai to worry that if they continue to burn, they will sooner or later affect domestic oil prices and increase production and living. cost. The three suspense caused by the high fever in the international oil market has attracted special attention. When does the high fever stop? The high fever in the oil market is no longer a short-term phenomenon. Industry sources told reporters that in fact, since the outbreak of the Iraq war last year two months ago, the “heat†of the oil market has not been fundamentally eased. Over the past year or so, despite the volatility of oil prices, it has continued to “heat up†as a whole. When will this persistent high fever be able to subside? The industry’s views on this issue are becoming increasingly pessimistic. The reporter noted that at the end of last year, many analysts believed that the average price of international oil prices this year was around US$24 to US$25/barrel. But today, the general view has become "the price of oil will remain at 30 US dollars / barrel or more in the second half of this year", "the high price will last until at least this fall." This change in psychological expectations actually shows that people are no longer hoping that the price of oil can “fight off†in the short term. People are looking for a “sick cause†for high fever, such as terrorist attacks, OPEC production cuts, and Iraq’s problems are still pending. However, due to changes in psychological expectations, it is difficult for the international oil city’s high fever to be explained by these objective factors. There is a strong speculative atmosphere. Thus, although the US Department of Energy reported on May 5 that "the United States increased gasoline inventories by 4 million barrels last week," such an information that could have stabilized oil prices has not prevented oil prices from continuing to rise. Therefore, in the short term, when the high fever in the oil market can be alleviated, the answer to this question becomes increasingly uncertain. How much pressure? As domestic refined oil prices still fall under the control of the state, for most people, the new round of rising international oil prices has not directly affected itself. However, for oil refineries and chemical companies that directly import crude oil from abroad and their downstream industrial chains, they have already faced cost pressures. Some world economic experts believe that high oil prices will hinder the growth of the world economy, but the weak dollar can ease the pressure on oil prices. In the past year, international oil prices rose by 30% in U.S. dollars, but the U.S. dollar fell by nearly 15% during the same period, so the actual increase in international oil prices has not been so high. However, industry insiders told reporters that Chinese companies are unlikely to ease cost pressures as the exchange rate between the renminbi and the US dollar has remained relatively constant. For Chinese companies, the rise in oil prices is a real cost. In addition to cost pressures, these companies also face unpredictable risks. Although most people think that the high price of oil will be a relatively long-term phenomenon, in the face of the historical high near US$40/barrel today, nobody is sure whether it will stage a fierce shock in the short term. When to buy, how much to buy, itself becomes a very risky thing. Domestic oil prices rose? Although there is a certain degree of lag, the rise in international oil prices will eventually affect domestic refined oil prices. Over the past year or so, domestic refined oil prices have been adjusted several times, each time related to the strong rise in international oil prices. The last price adjustment of domestic refined oil prices was on April 1 this year. Taking Shencheng as an example, the three kinds of gasoline rose between 8% and 8.4%, and the cheapest 90th gasoline price also reached 3.22 yuan per litre. This price increase has caused widespread concern in the community, because no matter if it is an increase. The absolute price still makes the oil companies and the majority of car owners feel the pressure. However, it is not difficult to find that since April 1st, international oil prices have gone up a large amount. At that time, the average weekly price of OPEC was 32.61 US dollars / barrel, has risen nearly 3 US dollars so far; when the United States light crude oil price was 35 US dollars / barrel or so, just a month later, this figure rose by nearly 5 US dollars. Industry insiders expect that if the international oil price cannot be reduced in the short term, the domestic refined oil price is bound to face a new round of upward pressure. (Reporter Chen Chunyan)
1. Denatured starch for food should be functional, diverse and convenient. New varieties should be developed in grain processing, focusing on the development of corn series products and potato starch, modified starch and derivative products; We will develop convenience food, nutrition and health food, and emulsifying thickening quality improvers. Therefore, modified starch for food can be developed into functional modified starch, modified starch for convenience food and alkenyl succinate starch which is in short supply in China. As a food additive, denatured starch should take into account the increasing trend of hypertension and hyperlipidemia patients in China, develop fat substitutes and sugar substitutes that have energy and nutritional value and do not affect blood sugar, so as to meet the needs of increasing incidence rate of diabetes patients year by year. At present, fat substitutes based on starch can be used in almost all foods that need to add fat; The developed anti digestible starch has low water holding capacity, fine particles, fresh flavor, and the microcrystalline structure is smaller than that of ordinary dietary fiber. It can also be used as a functional component in a variety of foods.
2. The development speed of denatured starch that is 100% substituted for chemical size PVA also needs to be accelerated. The modified starch used for textile sizing is mainly acid hydrolyzed starch, oxidized starch, urea starch, phosphate starch, and a small amount of acetate starch and compound modified starch. These varieties are difficult to replace the chemical size PVA, especially in the sizing of high branch yarn products. Due to its non degradability, PVA is gradually used or even not used in textile sizing materials. Similar products have been put on the market abroad. It is believed that with the efforts of people in the domestic denatured starch industry, this product can be fully developed.
3. The development of new surface coating agents and sizing in the paper industry is beneficial to meet the needs of the product structure of the national paper industry. Denatured starch is an important papermaking chemical. The amount of denatured starch used in papermaking in China is 1 / 3 of the total amount of denatured starch in the country, but the variety is single and the level is low. At present, the product structure of the national paper industry is to develop towards high-grade newsprint, book printing paper, information paper, office paper and other medium and high-grade domestic paper, which requires the development of new surface coating agents and sizing agents to meet the needs of the paper industry.
4. Starch based water absorbent is widely used. Water absorbent can be used in agriculture, forestry, horticulture, medicine and health, textile, papermaking, oil drilling, construction, wastewater treatment and food processing. At present, some industries rely on a large number of imported expensive water absorbent products to meet the market demand, and most of the imported products are polymer synthetic products. With the depletion of oil and increasing attention to environmental protection, the market of this kind of products is facing a crisis. The development direction of this product is to use renewable natural starch resources to undergo graft copolymerization with acrylic acid or acrylonitrile through chemical treatment, and connect hydrophilic macromolecules on the starch to prepare biodegradable water absorbent to replace the water absorbent re synthesized by petroleum refining.
In a word, with the growth of China's economy, the continuous expansion of the scale of industrial products, the continuous development of the application field of modified starch, the continuous development of new products and the continuous innovation of new processes, the demand for modified starch will also increase; In addition, with the gradual reduction of natural oil, the modified starch produced from renewable resources is a substitute for many petrochemical products, which brings development space for modified starch. Therefore, the development prospect of modified starch will be very broad.