Rice whiteness meterIt is a professional testing instrument used to detect the accuracy of rice processing. It measures the whiteness, transparency, and precision of rice based on optical principles by measuring the transmitted and reflected light of LED light irradiated on the sample. Compared with traditional whiteness meters that can only measure reflected light, this instrument can simultaneously measure reflected light and transmitted light, thus having higher accuracy. Mainly used in the fields of scientific research, breeding, storage, processing, and circulation of rice. By measuring the whiteness, transparency, and precision of rice, the processing accuracy of rice can be objectively evaluated, preventing excessive processing or substandard accuracy during rice milling, thereby contributing to the quality management of rice milling.
Rice whiteness meterScope of application:
1、 Rice Processing Enterprises: Process Optimization and Quality Control
Classification of machining accuracy
Application scenario: In the process of rice processing, the whiteness meter can detect the whiteness of brown rice in real time after grinding and polishing, and classify the rice into different levels such as first level (high precision), second level (medium precision), and third level (low precision).
Value realization: Helping enterprises adjust processing parameters (such as grinding time, pressure, polishing frequency) according to market demand, avoiding excessive processing leading to nutrient loss or insufficient processing affecting taste. For example, rice exported to Japan needs to achieve a "special Aj" (whiteness ≥ 90%), and the processing accuracy can be accurately controlled through a whiteness meter.
Optimization of process parameters
Application scenario: During the debugging phase of rice mills, polishing machines, and other equipment, the whiteness meter can provide real-time data feedback to help engineers optimize equipment parameters.
Value realization: By reducing the number of grinding tracks or lowering the polishing intensity, energy consumption (about 10% -15%) and broken rice rate (about 3% -5%) can be reduced, while increasing rice yield (about 2% -3%). For example, a rice processing plant has saved over 500000 yuan in electricity costs annually by guiding process adjustments through a whiteness meter.
Batch consistency control
Application scenario: In continuous production, the whiteness meter can randomly inspect each batch of rice to ensure that the whiteness fluctuation of the same brand of rice at different times and production lines is ≤± 2%.
Value realization: To avoid consumer complaints or market price fluctuations caused by differences in whiteness, and to maintain brand reputation. For example, a certain rice brand has achieved a standard deviation of ≤ 0.8% in inter batch whiteness through a whiteness meter, resulting in a 12% increase in customer repurchase rate.
2、 Grain quality inspection institutions: standard setting and market supervision
National standard verification
Application scenario: According to national standards such as "Rice" (GB/T 1354-2018), the whiteness meter is used to detect the accuracy level of rice processing (such as first grade rice whiteness ≥ 70%, second grade rice whiteness ≥ 60%), providing a basis for market access.
Value realization: Ensure that rice meets food safety and quality requirements, and prevent inferior rice from being sold as good. For example, a provincial-level quality inspection agency tests over 10000 batches of rice samples annually using a whiteness meter, reducing the failure rate from 5% to 2%.
Import and export inspection
Application scenario: In the inspection of imported rice, the whiteness meter is used to verify whether foreign rice meets Chinese standards (such as Thai fragrant rice that needs to reach a specific whiteness range); In export inspection, ensure that the rice meets the requirements of the target market (such as the EU's restrictions on the whiteness of organic rice).
Value proposition: Reduce trade disputes and promote international food trade. For example, a certain port intercepted three batches of imported rice with substandard whiteness through a whiteness meter, avoiding economic losses exceeding ten million yuan.
Market sampling and risk monitoring
Application scenario: Quality inspection agencies regularly conduct spot checks on rice in circulation links such as supermarkets and agricultural markets. Whiteness meters can quickly screen for abnormal processing accuracy (such as excessive polishing leading to nutrient loss or the addition of illegal additives).
Value embodiment: safeguarding consumer rights and cracking down on inferior products. For example, the market supervision bureau of a certain city discovered through a whiteness meter that a certain brand of rice had engaged in the behavior of "impersonating high precision with low precision", and was punished and ordered to rectify according to law.
3、 Research and Breeding Fields: Variety Improvement and Nutritional Research
Variety screening and evaluation
Application scenario: In the process of rice breeding, the whiteness meter is used to evaluate the processing adaptability of new varieties (such as the influence of grain hardness and shape on grinding efficiency), and screen out high-quality varieties suitable for industrial processing.
Value realization: Shorten breeding cycle and improve breeding success rate. For example, a certain research institute has screened rice varieties with "low broken rice rate and high precision whiteness" through a precision whiteness meter, and promoted them to an area of over 1 million acres.
Research on Nutrition and Processing Characteristics
Application scenario: Study the loss patterns of nutrients such as vitamin B1 and dietary fiber in rice with different degrees of whiteness, providing data support for the concept of "moderate processing".
Value realization: Promote the transformation of rice processing from "pursuing appearance" to "preserving nutrition". For example, a research team found through a whiteness meter that reducing the whiteness from 90% to 80% can preserve about 30% of vitamin B1.
4、 Agricultural Cooperatives and Farmers: Planting Guidance and Purchasing Pricing
Adjustment of planting structure
Application scenario: Based on market demand (such as the preference for high-precision rice in the high d market), cooperatives can guide farmers to plant varieties suitable for processing high-precision rice (such as long grain and low chalkiness rate varieties).
Value embodiment: Enhance the added value of agricultural products and increase farmers' income. For example, a certain cooperative promoted high-precision rice varieties, which increased the average income of farmers by 200 yuan per mu.
Pricing Basis for Acquisition
Application scenario: In the grain procurement process, the whiteness meter can be used as a pricing tool to implement differentiated purchase prices for rice with different whiteness levels (such as a unit price increase of 0.1 yuan/jin for every 10% increase in whiteness level).
Value realization: Inspire farmers to produce high-quality rice and optimize the grain supply chain. For example, a certain grain purchasing enterprise has increased the proportion of high-quality grain purchased annually from 30% to 60% through graded procurement using a whiteness meter.