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经验公式(希尔记法):
C22H20O13
化学文摘社编号:
分子量:
492.39
EC Number:
215-023-3
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Colour Index Number:
75470
Beilstein/REAXYS Number:
71651
产品名称
胭脂红酸, ≥90% (HPLC)
InChI key
DGQLVPJVXFOQEV-JNVSTXMASA-N
InChI
1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1
SMILES string
Cc1c(C(O)=O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12
assay
≥90% (HPLC)
form
powder
optical activity
[α]20/D +3.1°, c = 1 in H2O
color
purple to red-purple
red to very dark red
mp
136 °C
solubility
1 N acetic acid: 1%, clear to hazy, red
λmax
495 nm
ε (extinction coefficient)
≥13000 at 222-228 nm in ethanol at 0.03 g/L
≥18000 at 275-281 nm in ethanol at 0.03 g/L
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
Quality Level
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Application
胭脂红酸 (CI 75470) 可用于 Orth 锂胭脂红核染色技术、贝斯特式糖原染色和 Southgates 粘蛋白胭脂红法。
General description
胭脂红是一种胭脂虫产品,通常以胭脂红酸铝盐和钙盐的形式提供。胭脂红酸可用于人类医学细胞诊断,并用于人类来源样本材料的组织学研究。它适用于组织切片中的细胞核染色。它可用于各种染色方法,包括糖原和粘液物质(贝斯特氏胭脂红)检测法,核酸染色或活体染色。
存储类别
11 - Combustible Solids
wgk
WGK 2
ppe
Eyeshields, Gloves, type N95 (US)
Gabriel J. Lauro, Jack Francis
Natural Food Colorants: Science and Technology (2000)
J.D. Houghton, G.A.F. Hendry
Natural Food Colorants (2012)
Samanan Poowakanjana et al.
Journal of food science, 74(9), C707-C712 (2010-05-25)
Carmine used to color surimi seafood often seeps or bleeds from red-colored meat to white meat when vacuum-packed products go through high-temperature long-time pasteurization. Various physical and chemical treatments were examined to investigate means to inhibit or minimize carmine bleeding
Ana Serrano et al.
Analytical and bioanalytical chemistry, 401(2), 735-743 (2011-06-01)
A new analytical approach based on high-performance liquid chromatography with diode array detector (HPLC-DAD) and multivariate data analysis was applied and assessed for analyzing the red dye extracted from cochineal insects, used in precious historical textiles. The most widely used
Naoki Sugimoto et al.
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan, 51(1), 19-27 (2010-03-09)
A quantitative NMR (qNMR) method was applied for the determination of carminic acid. Carminic acid is the main component in cochineal dye that is widely used as a natural food colorant. Since several manufacturers only provide reagent-grade carminic acid, there
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