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奎芩是生长在日照市奎山上的黄芩(Scutellariabaicalensis),属唇形科多年生草本植物。奎芩的根是地道药材,质量优良。外观奎芩根长粉足质坚实,表面光滑;其他地区产的黄芩根短、质地疏松、外皮粗糙。切片观察,奎芩微有油性,片呈鲜黄色;其他黄芩油性差,片为暗黄色。等量水浸泡切片,奎芩浸液黄色浓厚,浸泡后的切片呈黄绿色,其他切片淡黄色,片呈暗绿。临沂地区药检所测定,奎芩黄酮含量2.46％,其他黄芩黄酮含量是2％。
Kuiji is a Scutellaria baicalensis growing on the Kui Shan of Rizhao City and is a perennial herb of the Labiatae family. The root of quinoa is an authentic medicinal material with excellent quality. The appearance of quercetin root powder is solid and has a smooth surface; other regions produce a short, loose texture and rough skin. Observation of the slices showed that the quasi-quinones were oily and the slices were bright yellow; other jaundice oils were poor and the slices were dark yellow. Soaked in equal amounts of water, the kiwifruit immersed in a thick yellow liquid, and the immersed slices were yellow-green. The other slices were pale yellow and the slices were dark green. Linfen area drug testing institute determined that quercetin flavonoid content was 2.46%, and other flavonoids content was 2%.