How to protect color in transparent packaging food
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A: With the progress of the society and the development of the market, historic changes have taken place in the way food is sold. The original sales method of weighing and packaging in sealed large packages was increasingly replaced by open shelf sales of self-selected shopping malls. Transparent packaging of glass, plastics, and other materials makes the food on the shelves colorful and exquisite, and various foods and beverages are also directly met with consumers by their “faceâ€, and are accepted and reviewed by consumers.
In this way, under the long-term and direct irradiation of natural light or light, the problem of fading of goods has become a serious issue in maintaining product quality.
The fading of a product not only directly affects the color and appearance of the product, but also directly affects the nutritional value and inherent quality of the product; therefore, it directly affects the shelf life and shelf life of the product, directly affects the value and sales of the product, and directly affects Economic benefits of manufacturers and distributors. A broad-spectrum, high-efficiency, and low-cost light and sun-resistant color protection agent has become a common wish among manufacturers, distributors, and consumers; it has become an essential additive for food production and processing. Has a very broad application prospects.
The most urgent requirements for the sunscreen food color protection agent are: beverage industry, fruit and vegetable juice processing industry, kimchi pickle processing industry, fruit processing industry, meat emulsion processing industry and so on. In general, the industries that perform deep processing of agricultural and sideline products are in urgent need of maintaining the natural ingredients of the products. Some packaged foods that are specifically added to enhance the appearance of the products also require the products to be resistant to light and do not fade.
The "Jianying Brand" compound synergistic food fast-keeping agent is produced by using a variety of food additives for proportional compounding and utilizing the synergistic effect produced by their mutual chemical action, so as to maintain the original inherent color of the food. Light stability, a high-tech product that extends the shelf life of packaged food products.
The "Jianying Brand" color protection agent series of the institute mainly includes the following varieties:
First, color protection agent - A type (universal type)
Color Protection Agent - Type A is an off-white crystal that is easily soluble in water. It can effectively prevent the natural fading of carotene, anthocyanin, chlorophyll, etc., or the fading of beverages or foods such as amaranth and sunset yellow. It also has a good inhibitory effect on food browning. It has a wide range of use, less use, low cost, easy to use, stable performance, and significant results.
(1) It can be used as a color protector for carbonated drinks, fruit drinks, fruit juice drinks, fruity dew and cold drinks. For example, pellets, oranges, and other beverages add 0.06% of general-purpose color-protecting agents, and will not fade even if they are continuously exposed for 10 days or so.
(2) It can also be used as a color protector for processed vegetables such as kimchi, pickles and mustard. Adding 0.06-0.09% color protection agent to the prepared vegetables can achieve color protection.
(3) It can also be used as a color protector for processed fruits and vegetables such as *, salads, and cans. Add 0.09-0.10% of color-protecting agent in *, 0.02-0.03% of color-protecting agent in salad, and 0.06-0.09% of color-protecting agent in can, which can prevent discoloration, fading and precipitation, and extend shelf life.
Second, color protection agent - D type (vegetable fresh fruit green agent)
"Jian Ying brand" color protection agent D also known as "green fruit and vegetable agent." White or blue-green powder, soluble in water, can protect the green of fruits and vegetables from damage.
Scope of application: Widely used for cooking vegetables, supermarket bags of vegetables, frozen vegetables, canned vegetables and soft cans, dried vegetable products, processed vegetables, fruit and vegetable juices, sauces, and other green protection and color protection.
How to use: Weigh 0.2~0.3% of fresh water in fruits and vegetables, warm it up to make it dissolve, put vegetables in micro-boiling, put it in about 3 minutes (long time for old dishes, short time for tender dishes), throw in 0.1% Calcium chloride solution in cold for a few seconds, remove and put into the green solution cold solution. Timely removal, processing, molding, packaging, sterilization. (The solution can be used continuously for 2 to 3 times, and it needs to be used immediately.) Dosage: 0.2-0.3% of soaking solution.
After using this product, add 0.06 ~ 0.09% color protection preservative A type to vegetables, which can prevent chlorophyll discoloration.
Third, color protection agent - E2 type (fruit color protection anti-browning agent)
Color Protection Agent-E2 is a white to off-white powder that is easily soluble in water. It can prevent browning caused by fruit cutting, heating and drying. This product is non-sulfur product, safe to use. Applicable to the processing of apple and other easily browned fruits.
Usage: Divide the fruit as soon as possible into 1% calcium chloride solution for 2 hours. Add 0.4% solution of water to this product. Add the appropriate amount of salt. Remove the fruit pieces or fruit pieces and immerse in this solution 2~3. Hours, or in this solution boiled for 3 to 5 minutes, remove, dip sugar or sugar or direct drying. Usage: about 0.4%
Fourth, color protection agent -F type (natural * color protection partner)
Color Protection Agent-F is a white to off-white powder that is easily soluble in water. It has excellent color protection effects on turmeric, sorghum red, carmine, sunset yellow, etc., and it is particularly noticeable for extremely light-fast, heat-resistant natural products such as Monascus, Beetroot, Gardenia, and Beta-carotene. The color protection effect.
Color Protection Agent-F can be widely used in ham sausage, meat and other meat products, carbonated drinks, fruit pulp, fruit juice drinks and cold drinks products, pickles, mustard, bamboo shoots, radish and other products, and all add * products color protection . This product can also be used as a "* partner" by various manufacturers to improve the light and thermal stability of the product.
How to use: Stir the product with a little sterile water until it is completely dissolved. Add it to the food ingredients. Stir and mix well. According to the final product, the amount added is: 0.05 to 0.08%.