Preparation of corn shoot preserves

First, raw material selection requirements in the corn (2405,2.00,0.08%) the ear has just extracted the filaments, has not harvested when the timely harvest of corn shoots. At this time the bamboo shoots are 7 to 14 centimeters long, and the diameter is less than 1.7 centimeters. The individual bamboo shoots weigh about 7 to 14 grams. Harvested corn shoots should be processed in time to prevent loss of water and aging; if the harvested corn shoots cannot be processed on the same day, they can be placed in a cool, ventilated place together with the leaves, which can be stored for 1 to 2 days; if it takes longer time to save , the need to use plastic (9675,-145.00,-1.48%) film packaging placed in a low temperature cold storage.

Secondly, Peeling bamboo shoots are generally used to artificially strip the bamboo shoots, and the leaves, filaments, bamboo shoots, etc. must be removed. When peeling bamboo shoots, try to keep the corn shoots clean and complete, and remove the insect bites and deformed shoots.

Third, the classification according to the thickness of bamboo shoots is roughly divided into two levels, the first-stage shoot diameter is less than 1.2 cm, and the second-stage shoot diameter is 1.2-1.7 cm. Appropriate washing is performed after classification.

Fourth, color protection, hardening After graded, washed, to remove the filaments of the bamboo shoots placed in 1% salt solution, so as not to expose the bamboo shoots exposed to discoloration in the air. Then use a 0.05% calcium chloride solution for 1 to 2 hours for hardening.

5. After the hardened bamboo shoots are rinsed with water, they are put into pre-prepared sugar liquids with a concentration of 40% to 45% for 10 to 15 minutes. After the bamboo shoots are translucent milky yellow, Then pour the bamboo shoots along with sugar into the jar for 8 to 12 hours to complete the first cooking. The second can cooking can use the sugar after the first cook, increase its concentration to 55% to 60%, while adding 0.2% of citric acid, so that the рH value of the sugar solution is maintained at 3 to 3.5, which is beneficial to The conversion of sucrose and enhance the flavor of the product. The second cooking time is about 15 to 20 minutes. During the cooking process, white granulated sugar (5368, 6.00, 0.11%) is added to make the sugar concentration 60% to 65%. After the second canning, the transparency of the bamboo shoots was further increased, and the color became pale amber. Then, it is impregnated with sugar solution for 8 to 12 hours.

6. Pour sugar and dry. Remove the bamboo shoots from the sugar solution. Leach the sugar solution, place it on a bamboo baking tray, and bake it in a dry condition at a temperature of 60-65°C for 8 to 8 hours. 12 hours. During the baking process, it needs to be turned 1 or 2 times to make it dry evenly so as to bake until the surface of the corn shoots is sticky and the moisture content is about 18%.

Herbal Extract

Plant extracts refers to substances extracted or processed from plants (all or part of plants) with appropriate solvents or methods. They can be used in pharmaceutical industry, food industry, daily chemical industry and other industries.

There is a conceptual intersection between plant extracts and Chinese herbal extracts. The raw materials of plant extracts in China mainly come from Chinese herbal medicine. Therefore, domestic plant extracts can also be called traditional Chinese medicine extracts to some extent. They are generally included in the category of traditional Chinese medicine products in China's export trade statistics.

Development History

China's plant extracts come from the traditional Chinese medicine industry, and the overall development time is relatively late. In the 1970s, some Chinese herbal medicine factories began to use mechanical equipment to extract active ingredients, but only as part of production, plant extracts have not been produced on a large scale. Until the 1990s, the international trend of returning to nature rose, and people began to tend to use natural plant products. During this period, China's foreign trade rose, and China's Plant Extract industry was getting better and better. In the 21st century, with the application of more advanced extraction methods such as enzymatic extraction, ultrasound, supercritical extraction, membrane separation technology and microwave extraction technology, the yield of extract has been greatly improved, and China's plant extract industry has entered a golden period of development. From 2010 to 2015, the production capacity and export volume of plant extracts increased steadily and rapidly every year, and the proportion of plant extracts in the export of traditional Chinese medicine also increased a lot. Since 2016, the market situation of plant extracts has changed.

Classification

Ashwaganda Root Extract, ,Sophora Japonica Extract, Hypericum Perforatum Extract, Salvia Miltiorrhiza Extract

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