Oil and grease/pesticide residue detectionHow to apply for a report? What items need to be tested? We will conduct testing and evaluation in strict accordance with the standards. We can also provide personalized testing plans and reports according to your needs.

Brassica rapa var. oleifera de Candolle (Latin scientific name: Brassica rapa var. oleifera de Candolle) is a biennial herbaceous plant in the Cruciferae family and Brassica genus, with a height of up to 90 centimeters; The stem is thick and robust, hairless or nearly hairless, with basal leaves with large feathered heads, rounded or ovate apical lobes, irregular curved teeth at the edges, wide petioles, and a base holding the stem; The lower stem leaves are feathered and half split, with bright yellow flowers, long round sepals, obovate petals, midrib and reticulate fruit petals, erect sepals, spherical seeds, flowering from March to April, and fruiting in May. Distributed in Shaanxi, Jiangsu, Anhui, Zhejiang, Jiangxi, Hubei, Hunan, Sichuan, Gansu, China. Brassica is one of the main oil bearing plants, with a seed oil content of about 40%, and the oil is used for consumption; Using tender stems, leaves, and total flower stems as vegetables; Seeds are medicinal and can promote blood circulation, disperse nodules, and reduce swelling; Ye Ke applied externally to treat carbuncle and swelling. Biennial herbs, 30-90 cm tall; The stem is robust, erect, branched or unbranched, glabrous or subglabrous, slightly powdery. Basal leaves with large head and cleft feathers, with rounded or ovate apical lobes, irregular curved teeth at the edges, and 1 to several pairs of lateral lobes, ovate; The petiole is wide, 2-6 centimeters long, and the base is covered with a stem; The lower stem leaves are pinnate and half lobed, 6-10 cm long, with a base that extends and embraces the stem, and hard hairs and cilia on both sides; The upper stem leaves are oblong obovate, oblong or oblong lanceolate, 2.5 to 8 (-15) centimeters long and 0.5 to 4 (-5) centimeters wide. The base is heart-shaped, holding the stem, with pendulous ears on both sides, and may have wavy fine teeth. The raceme forms a corymbose shape during flowering and elongates later; Flowers bright yellow, with a diameter of 7-10 millimeters; Sepals oblong, 3-5 mm long, erect and spreading, rounded at the top, transparent at the edge, slightly hairy; Petals obovate, 7-9 mm long, nearly emarginate at the top, with claws at the base. Long horned fruit is linear, 3-8 centimeters long and 2-4 millimeters wide. The fruit petals have midrib and reticulate veins, and the calyx is erect, 9-24 millimeters long; The fruit stem is 5-15 millimeters long. The seeds are spherical, with a diameter of approximately 1.5 millimeters. Purple brown. Flowering from March to April, fruiting in May

Test report function

1、Project bidding: issue authoritative third-party CMA/CNAS qualification report；

2、E-commerce platform entry: quality inspection reports recognized by major e-commerce platforms；

3、Used as sales report: issuing a test report with legal effect to make consumers feel more at ease；

4、Papers and scientific research: providing professional and personalized testing needs；

5、Judicial services: providing scientific, fair and accurate testing data；

6、Industrial problem diagnosis: verifying the troubleshooting and correction of problems in industrial production；