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Since ancient times, Chinese people, except for some ethnic minorities, have mainly relied on plant-based foods. In addition to providing the three major nutrients needed by the human body, including protein, carbohydrates, and lipids, plant-based foods also provide most vitamins, minerals, and dietary fiber. Plant based food refers to food that uses plant seeds, fruits, or tissue parts as raw materials, directly or after processing, to provide energy or material sources for humans. Mainly including grains, potatoes, beans and their products, fruit and vegetable products, tea, etc. Compared to animal based foods, plant based foods have their own characteristics. As they are still alive and undergo various physiological activities, they inevitably cause changes and losses in their quality, form, taste, and nutritional composition; At the same time, when physiological activities are affected by external factors and cannot proceed normally, it will also exacerbate changes in the quality of fruits and vegetables. 1. Respiratory function refers to the process in which fruits and vegetables obtain oxygen from the external environment and, with the participation of enzymes, oxidize and decompose their accumulated carbohydrates into substances and energy necessary for maintaining life. The energy generated by respiration is partly used for one's own metabolism, while the other is dissipated in the form of heat. 2. Evaporation refers to the natural outward evaporation of water contained in fruits, as well as the dissipation of heat through respiration and field heating (heat generated by the influence of light and temperature), which inevitably carries some water away. Evaporation can cause quality changes such as weight loss and freshness loss of fruits, as well as softening of the flesh. 3. Hormonal effects mainly refer to the adverse effects of endogenous ethylene produced in fruits and exogenous ethylene produced in the environment. Ethylene is a fruit ripening agent that promotes physiological metabolism and accelerates post ripening and aging Function of testing report:1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report 2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems100% inspection and testing process:1. Telephone communication and confirmation of requirements 2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:1. The testing industry is fully covered, meeting different testing needs 2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate 4. Free initial testing, with no testing fees charged 5. Self service order delivery for free on-site sampling 6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China
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