Strawberry, blueberry and other small berries of high economic value, its fruit is soft and juicy, sweet and sour, aromatic and rich in nutrients, rich in a variety of vitamins, beauty and anti-aging, in addition to being able to relieve vision fatigue and promote gastrointestinal digestive function. Strawberry is very rich in nutritional value, it is known as the queen of fruits, it almost contains a very comprehensive vitamin, loved by people. Strawberry consumption form is more diverse, but most consumers prefer fresh food, and fresh strawberry for the transportation and storage process storage quality requirements more and more obvious. The humpback whale customer is a leading enterprise in the domestic fruit sales industry, with a huge annual fruit throughput, and its relatively high-end price is also different from the market vendor-type fruit sales, for strawberries and blueberries and other berries of high economic value, the preservation of quality and freshness is their key concern.

Challenge

Titratable acid is one of the most important constituent traits of strawberries and its content directly affects the flavor quality of strawberries. In the storage process, titratable acid is used in the metabolic process of strawberry, and with the growth of storage time, titratable acid in strawberry is partly consumed by respiration and partly consumed by sugar inside the cell, and its content decreases continuously; vitamin Vc is an important nutrient in strawberry, and its content is easily lost by oxidation. As the content of vitamin Vc decreases, the internal nutrient content of strawberry gradually decreases, and the storage quality of strawberry becomes worse; in strawberry, the content of MDA (malondialdehyde) is an important indicator of the strength of membrane lipid peroxidation in strawberry; the higher the content of MDA, the greater the damage to the membrane system of strawberry cells and the more serious the cell aging. For fruits and vegetables, the hardness is an important index to evaluate their maturity. The hardness of fruits and vegetables is then reduced. Strawberries and other berries in the transportation process to produce stacking, vibration, temperature instability, etc. can cause changes in titratable acid, soluble solids, Vc content, starch amount and MDA content, which in turn affect the quality and taste of the fruit and reduce the value of the product, and these through the traditional experience or glass tube thermometer and other original simple tools are not mastered.

Solution

Humpback strawberries and blueberries and other small berries vibration and temperature and humidity monitoring program according to the test can be based on the possible impact on strawberries and other small berries during transport, for the upper and lower layers of the stack and the front, middle and rear of the refrigerated car storage to provide different loading and unloading advice, the upper layer of the stack of fruit in the transmission of vibration acceleration and the double impact of the stack load is more damaged, the rear of the car fruit due to It is recommended to use relatively stronger packaging for the upper layers of the stack and the rear of the carriage due to the greater damage caused by vibration acceleration. Also, the effect of different temperatures on the freshness of the fruit quality was taken into account. A relatively lower temperature environment in the range of 0-10 degrees has more positive implications for the storage of strawberries, guiding the refrigeration of the refrigerated trucks and also supporting the storage in the refrigerated vault. Each device in the program provides real-time alarm for exceeding the set threshold, guiding the operator to interfere with the over-threshold situation in time to ensure the intact execution of the whole cold chain, and the cargo owner as well as the related parties can grasp the refrigerated vehicle transportation as well as storage information in real time through the network or cell phone, including not limited to vibration, tilt, temperature, humidity, light sensitivity, positioning, etc., effectively safeguarding the location of the products and getting the customer's We have been recognized and have been increasing the use of humpback whale dart products in the production, processing, transportation and storage of more categories of fruits. The equipment involved in this program includes LoRa gateway with screen, built-in temperature and humidity probe, external temperature probe, portable precision instrumentation (monitoring vibration, etc.), NFC temperature tag, T3A temperature probe (WIFI version), etc.