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1 Materials and methods 1.1 Materials The materials are the two-white and large-white flower buds of the tree-type honeysuckle "Terry 1" * 茬, provided by the Terry Honeysuckle Planting Base.
1.2 Processing method Comparison of the processing methods of drying and drying of tree-type honeysuckle, the appearance, color, chlorogenic acid content and sales price of dry samples were examined. The chlorogenic acid content was determined by RP–HPLC method [5] ].
1.3 Barn 3 temperature changing baking technology temperature control test 1.3.1 preliminary test section 1 temperature test: to explore the temperature of tree-type honeysuckle drying zui, from 2002 to 2004 for 3 consecutive years for preliminary tests, cement in summer The flowers are spread on the ground, and the test temperature setting range is initially determined according to the floor temperature. Set the corresponding temperature range for 4 hours to start to spread the flowers. At about 8:00 am, the temperature is 20~30°C; at about 10:00 am, the temperature is 30~35°C; at 3 noon, the temperature is 35~40°C; at 4pm, the temperature is above 40°C. After preliminary tests, after the local plate temperature is higher than 40 °C, the flowers will become black after drying for 1 hour, the temperature is higher than 45 °C, and the flowers will become black after about 40 minutes. 20~40 °C began to spread flowers, honeysuckle changed color normally, from yellow green to light green; the second stage temperature test: after reference vegetable dehydration and roasting tobacco temperature, combined with the water content and characteristics of honeysuckle, the selected temperature is roughly Range 45 ~ 60 ° C, examine the appearance and baking time; Section 3 temperature test: After the completion of the second paragraph of baking, the temperature is raised appropriately, so that the honeysuckle color is stable, the appearance is neat, completely dehydrated and dried. Through the microwave baking test, the temperature range is set at 55-75 ° C, and the appearance and baking time are examined.
1.3.2 Test plan The test is carried out in a 20 square meter barn. The temperature of the first stage of the flowers entering the barn is set at 4 temperature zones for treatment. 1 flowers directly into the cool barn, the temperature is 20 ~ 30 ° C; 2 barn temperature is heated to 30 ~ 35 ° C; 3 barn temperature is heated to 35 ~ 40 ° C; 4 temperature is heated to above 40 ° C. The second stage is treated with three temperature zones, 145 ~ 50 ° C; 250 ~ 55 ° C; 355 ~ 60 ° C. The third stage is treated with four temperature zones, 155-60 ° C; 260-65 ° C; 365-70 ° C; 470 ° C or more. The temperature in the baking room is monitored in real time by a thermometer, and the stove is used to burn coal. Check the baking time and the quality of the dried flowers.
2 Results 2.1 Drying and drying two processing methods on the quality of honeysuckle The main methods of processing honeysuckle are drying, drying, baking, steaming and sulfur smoking. Steaming and drying are mainly carried out on sunny days. Drying is on a cloudy day. These methods require large sites and are not suitable for large-scale processing due to weather, and the quality is unstable and the difference is large. Sulfur smoke will cause high levels of harmful substances such as sulfur dioxide in the product and serious pollution. The main processing method for production is the open flame drying method. This method is not affected by the weather, and the dry flower buds are of good quality and are widely used. Farmers planted honeysuckle, a considerable part of the method of drying, so the preliminary experiment on the effect of drying and drying on the quality of honeysuckle. Drying the sample has obvious advantages in appearance quality such as color and shape than drying the sample. The specific differences between the two are shown in Table 1.
The dried sample has bright color, good appearance and pure fragrance, and the external quality is better than the dried sample. In terms of intrinsic quality, the chlorogenic acid content of the dried sample reached 5.05%, and the dried chlorogenic acid content was only 3.68%, and the dried sample was significantly higher than the dried sample.
2.2 Honeysuckle Baked Room 3 sections of variable temperature baking processing test Honeysuckle planting is gold, management is silver, and baking room is a cornucopia. The performance of the baking room directly affects the conversion, accumulation and fixation of dry matter of flowers, which is one of the important factors determining the quality of honeysuckle. In Shandong, Henan and other places where honeysuckle is concentrated, honeysuckle processing mainly adopts “open flame drying methodâ€, and the stove is directly placed in the baking room for baking. The harmful substances such as sulfur dioxide produced by burning coal are seriously polluted by honeysuckle. In this experiment, the traditional baking method was innovatively designed. It was heated by boiler or outdoor stove, replaced by heat transfer in the underground drying tunnel, directly heated in the baking room, strictly controlled the temperature of different baking time, and explored the “baking roomâ€. 3-stage variable temperature drying technology to avoid direct contact between honeysuckle and gas, to prevent pollution of harmful substances such as sulfur dioxide, to implement pollution-free processing, and to obtain green pollution-free products.
Firstly, according to the size of the planting area, the scale of the barn should be determined, and the barn and drying rack should be built. Generally, the barn should be built according to the planting area and the barbeque area ratio of 1:300. The bake room can be a bungalow or a tile house. The height of the house is 3~3.5m. The height of the tile house is 6m. The inner wall is clean and clean. There is no window. Two doors are opened. The wall corners of the two sides sit at right every 2 meters and the right eye is ventilated. 30cm high and 20cm wide. A boiler room is built on the side of the barn and connected to the underground drying tunnel of the barn through a pipe. The drying tunnel is built on the underground of the baking room, and is laid with a material with good heat insulation effect. The white iron plate with heat transfer is covered above it, and the other end of the drying tunnel is connected with the chimney. The spacing of the drying tunnel is about 2m. The size of the grill is 100cm×80cm, and it is set to 10~12 layers. It is the first layer at 20cm height, the layer height is 15~20cm, the thickness of each layer of honeysuckle is 4~5cm, the height is 2~2.5m, and the shelf spacing is about 80cm.
2.2.1 Honeysuckle Killing Temperature (Part 1 Temperature) Experiment The harvested honeysuckle flowers were killed and treated in 4 different temperature zones. The results are shown in Table 2.
The honeysuckle is started at 20~30°C, that is, the flowers are directly put into the unheated baking room for baking. The appearance of the honeysuckle is the same as that of drying in the sun, and the color gradually turns yellow, which takes a long time and takes 12 to 14 hours. After the temperature of the baking room rises to 30-40 °C, the flowers are sown, the color of the honeysuckle turns into green or greenish green, the needle shape is good, and the water loss is fast. However, in the temperature range of 30 to 35 ° C, it takes 2 to 3 hours more than 35 to 40 ° C. The temperature of the room is heated to 35 ~ 40 °C than the temperature is 30 ~ 35 °C temperature range is only 30min ~ 1h, so directly increase the temperature to 35 ~ 40 ° C, can improve efficiency, save coal and electricity, reduce costs. At the same time, during the processing, it was found that the temperature of the top and bottom of the drying rack at the temperature of 30-35 °C was high, the appearance color changed more evenly, the temperature of the middle 8 layers was slightly lower, and there was a small amount of yellow flower needle, which affected the quality. In the temperature range of 35 to 40 °C, only a very small number of needles on the top and bottom of the drying rack are blackened, and the middle layer is evenly discolored. After the temperature of the barn is raised to above 40 °C, the honeysuckle enters the barn, and it quickly turns black, quickly wilting, and is not suitable for baking. It can be seen that the temperature range of the first stage is preferably 35 to 40 °C.
2.2.2 The effect of different temperature treatment on the quality of the second stage of honeysuckle baking On the basis of reference to the temperature of vegetable dehydration and roasting tobacco, combined with the water content and characteristics of honeysuckle, three groups of temperature treatment were set up. The results are shown in Table 3. It can be seen from Table 3 that the temperature in the second stage is controlled at 45 to 50 ° C, the color of the flower needle is different, the color is large, the shape is distorted, and the time required is also long. If the temperature is raised to 55-60 ° C, the temperature is high, the color of the honeysuckle is brown, hard and brittle, and easy to break. In the second paragraph, the temperature is raised to 50-55 ° C, and the baked honeysuckle has good color, uniform light green color, stable shape, soft texture and good quality. The second paragraph is the transitional stage of honeysuckle baking, and it is also the key period for the color fixing of the appearance. It is suitable to control the temperature of the baking room at 50-55 °C. 
2.2.3 Effect of different temperature segments on the quality of the third stage of honeysuckle baking The third paragraph of honeysuckle baking is the stage of dehydration and drying, stable appearance index, and the test is set to 4 temperature zones.
The temperature of the third stage is in the range of 55-60 ° C, and the color of the honeysuckle is dark, yellowish brown, and the shape is poor. When the temperature is higher than 70 °C, the product is black inside, brittle and brittle, the flower becomes black and the quality is degraded. The temperature is controlled at 60-70 °C, and the dried honeysuckle color is greenish, and the shape is neat and cooled without deformation, the color is good, and the quality is excellent. Suitable for temperature treatment, honeysuckle products are bright and bright, green and neat. The temperature of the sample dried at a low temperature is dark red, and the sample with a high temperature is black. The gloss of the two is poor, and the quality of the sensor is not good.
Honeysuckle dryer use experience
Honeysuckle has developed root system, strong trunk and strong vitality. It harvests 5 times a year, with flower buds, high yield, excellent flower quality, early effect, drought tolerance, soil resistance, strong disease resistance and good adaptability. . The author studied the fertilization technique of tree-type honeysuckle [2] and the pruning technique [3, 4], which ensured the high yield of tree-type honeysuckle. The processing of honeysuckle is the main link to determine the quality of products. In today's modernization of traditional Chinese medicine, it is imperative to improve and stabilize the processing quality of Chinese herbal medicines. This project has studied the processing technology of tree-type honeysuckle origin, and provided the pollution-free high-quality processing of honeysuckle.