天然色素厂家
your current location : Home >> News >> Company news

Identification of turmeric

2020-05-05 16:14:33
second

Herbs to identify

1. Cross section of this product: the epidermal cells are flat the wall is thin. Cortex is broad, have leaf trace vascular bundle; There are 6-8 rows of cork cells in the lateral subepidermis, flat; The kjeldahl points of the endodermal cells are evident. The middle column sheath was 1-2 lines of parenchyma cells. Vascular bundles are tough outside, hashed, more near the central sheath, less inward. Parenchyma cells contain oil droplets, starch grains red-brown pigments.

2. Turmeric manufacturerTake 0.2g of the powder, add 20ml of anhydrous ethanol, shake it, leave it for 30 minutes, filter it, steam the filtrate, dissolve the residue with 2ml of anhydrous ethanol as the test solution. In addition, turmeric was taken as the control material 0.2g was prepared into the control material solution by the same method. Then take the curcumin control add anhydrous ethanol to make a solution containing 0.5mg per 1ml as the control solution. According to the TLC (general rule 0502) test, 4 living l of each of the above three solutions were absorbed, respectively on the same silica gel G thin layer plate. Trichloromethane - methanol-formic acid (96:4:0.7) was used as the initiator, which was then expanded, removed dried, respectively under the sunlight ultraviolet lamp (365nm) for inspection. In the chromatogram of the test product, the same color spots fluorescent spots were displayed in the corresponding positions of the chromatogram of the control drug the control product, respectively.

姜黄厂家

姜黄厂家


Medicinal properties




Turmeric rhizomes are irregularly ovoid, cylindrical spindle-shaped, often curved, with a dark yellow surface, rough, with wrinkled texture obvious links, circular branching fibrous roots. Solid quality, easy to break, brown yellow to gold section, horny, waxy luster. The inner cortex is ringed vascular bundles are scattered in a dot shape. Special smell, taste bitter, spicy.




Yinpian traits


For the kind of round thin thick slice, surface brown-yellow golden yellow, horny, waxy luster, obvious inner cortical ring, vascular bundle points scattered. Periphery gray-yellow deep yellow, coarse longitudinal wrinkles. The quality is hard the peculiar peculiar smell is bitter. Can dye saliva yellow after chewing.


Morphological characteristics


Herbs perennial, 1-1.5m tall. Rhizome well developed, into clusters, branches elliptic terete, orange yellow, extremely fragrant; The root is stout the end bulges into tuberous roots. Leaves basal, 5-7, 2 rows; Petiole length 20-45cm; Leaf blade oblong narrowly elliptic, 20 -- 50cm long, 5 -- 15cm wide, apex acuminate, base cuneate, lower to petiole, yellow-green above, pale green below, glabrous. Scapes drawn leaf sheaths, pedicels 12 -- 20cm long, spikes terete, 12 -- 18cm long; Bracts pink reddish purple, elliptic, 4 -- 6cm long, 1 -- 1.5cm wide, middle lower flowered bracts pale green greenish-white, ovate to suborbicular, 3 -- 4cm long; Calyx tube green white, 3-toothed; Corolla tube funnelform, ca. 1.5cm long, pale yellow, throat densely pilose, lobes 3; Fertile stamens 1, filaments short flat, anthers oblong, base with spur; Ovary inferior, outer pilose, style slender, base with 2 rod-like glands, stigma slightly inflated, slightly labial. Flowering in August.


Label

Recent:

ABOUT

Tel: 17732865727

Add: 9 haihe river, high-tech zone, shijiazhuang city, hebei province, China

Scan to see more
Sitemap | RSS | XML
Copyright © 河北昱华生物科技有限公司All rights reserved case number: 冀ICP备17013634号 Specializing in Turmeric manufacturer, β-carotene manufacturer, natural pigment manufacturer ,Welcome to inquire! service support:墨点云