国企与民争利的开始:中国移动5亿元投数字医疗行业

发布时间:2025-04-05 08:06:59 阅读: 46次

1.3.3 抗氧化指标的测定丙二醛含量采用硫代巴比妥酸法测定。

(f)流动相:A:0.05%甲酸水溶液。分析天平(德国Sartorius,QUINTIX224-1CN)l离心机(德国Sigma,4-16KS)。

国企与民争利的开始:中国移动5亿元投数字医疗行业

净化法,以取样量2g计,在276nm检测波长下的检出限为1.25mg/kg(S/N>3),在494nm检测波长下的检出限为3.75mg/kg(S/N>3)。于9000r/min转速下离心5min,取上清液,用0.22m滤膜过滤后,按色谱条件进行测定,待净化。同时,针对部分含干扰物质较少的样品,从前处理方法和检测波长两方面进行摸索,建立了快速检测胭脂虫红的方法。在276nm检测波长下,得到的线性回归方程为y=73.23551x-19.78479,相关系数r=0.99998。胭脂虫红色素是一种蒽醌类天然色素,寄生在仙人掌类植物上的雌性胭脂虫是提取胭脂虫红色素的原料,此种胭脂虫原产于中南美洲、墨西哥等地。

两者在2.5~100mg/L范围内均具有良好的线性关系。20世纪90年代,我国首次从国外引进胭脂虫,2002年在云南省开始有规划种植胭脂虫。13C-NMR (CD3OD,100 MHz) : 134.1 (C-1),105.0 (C-2),149.2 (C-3),132.9 (C-4),146.1 (C-5),110.0 (C-6),144.6 (C-1'),116.5 (C-2'),159.0 (C-3'),113.6 (C-4'),130.4 (C-5'),120.9 (C-6'),38.8 (C-),39.0 (C-'),56.5 (3-OMe)。

声明:本文所用图片、文字来源《中国中药杂志》,版权归原作者所有。1H-NMR (CD3OD,400 MHz) : 6.36 (2H, s, H-2, 6),6.94 (2H, d, J = 8.4 Hz, H-2', 6'),6.67 (2H, d, J = 8.4 Hz, H-3', 5'),2.76 (2H, s, H-, '),3.76 (6H, s, 3, 5-OMe)。参考文献报道,鉴定化合物为dendrocandin N。如涉及作品内容、版权等问题,请与本网联系删除。

参考文献报道,鉴定化合物为3,4',5-三羟基-3'-甲氧基联苄。化合物10 淡黄色油状液体。

国企与民争利的开始:中国移动5亿元投数字医疗行业

参考文献报道,鉴定化合物为3-O-methylgigantol。参考文献报道,鉴定化合物为dendrosinen B。化合物13 白色无定形粉末。1H-NMR (CD3Cl3,400 MHz) : 6.24 (2H, d, J = 1.9 Hz, H-2, 6),6.30 (1H, t, J = 1.9 Hz, H-4),6.61 (1H, d, J = 1.9 Hz, H-2'),6.83 (1H, d, J = 8.0 Hz, H-5'),6.67 (1H, dd, J = 8.0, 1.9 Hz, H-6'),2.81 (4H, m, H-, '),3.74 (3H, s, 3-OMe),3.84 (3H, s, 3'-OMe)。

参考文献报道,鉴定化合物为杓唇石斛素。1H-NMR (CD3Cl3,400 MHz) : 6.46 (1H, s, H-2),6.24 (1H, s, H-6),6.67 (2H, m, H-2', 4'),7.14 (1H, t, J = 7.6 Hz, H-5'),6.76 (1H, d, J = 7.5 Hz, H-6'),2.79 (4H, m, H-, '),3.86 (3H, s, 4-OMe),3.80 (3H, s, 5-OMe)。参考文献报道,鉴定化合物为3,3'-二羟基-4,5-二甲氧基联苄。参考文献报道,鉴定化合物为3,4'-二羟基-5-甲氧基联苄。

1H-NMR (CD3OD,400 MHz) : 6.22 (1H, d, J = 1.7 Hz, H-2),6.29 (1H, d, J = 1.6 Hz, H-6),6.94 (2H, d, J = 8.4 Hz, H-2', 6'),6.68 (2H, d, J = 8.4 Hz, H-3', 5'),2.67 (2H, m, H-),2.74 (2H, m, H-'),3.74 (3H, s, 5-OMe)。1H-NMR (CD3OD,400 MHz) : 6.12 (2H, d, J = 2.2 Hz, H-2, 6),6.08 (1H, t, J = 2.2 Hz, H-4),6.66 (1H, d, J = 1.8 Hz, H-2'),6.68 (1H, d, J = 8.0 Hz, H-5'),6.60 (1H, dd, J = 8.0, 1.9 Hz, H-6'),2.69 (2H, m, H-),2.77 (2H, m, H-'),3.78 (3H, s, 3'-OMe)。

国企与民争利的开始:中国移动5亿元投数字医疗行业

化合物14 白色无定形粉末。13C-NMR (CD3OD,100 MHz) : 145.7 (C-1),109.3 (C-2),159.3 (C-3),100.0 (C-4),162.2 (C-5),106.8 (C-6),134.2 (C-1'),130.5 (C-2', 6'),116.1 (C-3', 5'),156.4 (C-4'),38.1 (C-),39.7 (C-'),55.7 (5-OMe)。

参考文献报道,鉴定化合物为3,4,4'-三羟基-5-甲氧基联苄。参考文献报道,鉴定化合物为石斛酚。13C-NMR (CD3OD,100 MHz) : 133.2 (C-1),110.1 (C-2),146.1 (C-3),134.3 (C-4),149.5 (C-5),105.2 (C-6),146.3 (C-1'),130.6 (C-2', 6'),116.1 (C-3', 5'),156.4 (C-4'),38.5 (C-),39.4 (C-'),56.6 (5-OMe)。1H-NMR (CD3OD,400 MHz) : 6.22 (1H, d, J = 1.8 Hz, H-2),6.38 (1H, d, J = 1.7 Hz, H-6),6.76 (1H, d, J = 1.6 Hz, H-2'),6.73 (1H, dd, J = 7.8, 1.6 Hz, H-4'),6.97 (1H, t, J = 7.6 Hz, H-5'),6.74 (1H, d, J = 7.4 Hz, H-6'),2.66 (2H, m, H-),2.72 (2H, m, H-'),3.69 (3H, s, 3-OMe)13C-NMR (CD3Cl3,100 MHz) : 130.5 (C-1),103.6 (C-2),134.0 (C-3),133.8 (C-4),146.9 (C-5),108.8 (C-6),130.5 (C-1'),129.5 (C-2', 6'),113.7 (C-3', 5'),157.8 (C-4'),38.2 (C-),37.3 (C-'),56.2 (5-OMe),55.4 (4'-OMe)。参考文献报道,鉴定化合物为3,4'-二羟基-4,5-二甲氧基联苄。

1H-NMR (CD3Cl3,400 MHz) : 6.25 (1H, d, J = 1.8 Hz, H-2),6.46 (1H, d, J = 1.8 Hz, H-6),7.10 (2H, d, J = 8.6 Hz, H-2', 6'),6.83 (2H, d, J = 8.6 Hz, H-3', 5'),2.80 (4H, m, H-, '),3.83 (3H, s, 5-OMe),3.80 (3H, s, 4'-OMe)。1H-NMR (CD3OD,400 MHz) : 6.40 (1H, d, J = 1.6 Hz, H-3),6.33 (1H, d, J = 1.6 Hz, H-5),6.71 (2H, br s, H-3', 5'),2.75 (4H, m, H-1'', 2''),6.95 (1H, d, J = 8.4 Hz, H-4'', 8''),6.66 (1H, d, J = 8.4 Hz, H-5'', 7''),4.82 (1H, d, J = 8.4 Hz, H-3'''),3.97 (1H, m, H-4'''),3.68 (1H, dd, J = 3.6, 12.4 Hz, H-5'''a),3.46 (1H, dd, J = 3.6, 12.4 Hz, H-5'''b),3.79 (3H, s, 6-OMe),3.85 (6H, s, 2', 6'-OMe)。

参考文献报道,鉴定化合物为6''-de-O-methyldendrofindlaphenol A。声明:本文所用图片、文字来源《中国中药杂志》,版权归原作者所有。

13C-NMR (CD3OD,100 MHz) : 132.6 (C-1),145.6 (C-2),110.8 (C-3),134.1 (C-4),106.5 (C-5),149.8 (C-6),137.2 (C-1'),149.5 (C-2', 6'),106.0 (C-3', 5'),128.8 (C-4'),39.3 (C-1''),38.4 (C-2''),135.8 (C-3''),130.6 (C-4'', 8''),116.1 (C-5'', 7''),156.5 (C-6''),77.9 (C-3'''),80.0 (C-4'''),62.3 (C-5'''),56.7 (6-OMe),56.9 (2', 6'-OMe)。13C-NMR (CD3OD,100 MHz) : 139.5 (C-1),110.5 (C-2),154.4 (C-3),136.0 (C-4),151.5 (C-5),105.7 (C-6),134.3 (C-1'),130.7 (C-2', 6'),116.2 (C-3', 5'),156.7 (C-4'),39.7 (C-),38.4 (C-'),61.2 (4-OMe),57.0 (5-OMe)。

如涉及作品内容、版权等问题,请与本网联系删除。参考文献报道,鉴定化合物为3,4-二羟基-4',5-二甲氧基联苄。化合物2 白色无定形粉末。化合物3 白色无定形粉末。

相关链接:化合物,二羟基,二甲氧基联苄。1H-NMR (CD3OD,400 MHz) : 6.31 (1H, d, J = 1.6 Hz, H-2),6.25 (1H, d, J = 1.6 Hz, H-6),6.97 (2H, d, J = 8.4 Hz, H-2', 6'),6.67 (2H, d, J = 8.4 Hz, H-3', 5'),2.74 (4H, m, H-, '),3.76 (3H, s, 4-OMe),3.74 (3H, s, 5-OMe)

1H-NMR (CD3Cl3,400 MHz) : 6.25 (1H, d, J = 1.8 Hz, H-2),6.46 (1H, d, J = 1.8 Hz, H-6),7.10 (2H, d, J = 8.6 Hz, H-2', 6'),6.83 (2H, d, J = 8.6 Hz, H-3', 5'),2.80 (4H, m, H-, '),3.83 (3H, s, 5-OMe),3.80 (3H, s, 4'-OMe)。参考文献报道,鉴定化合物为3,4'-二羟基-4,5-二甲氧基联苄。

参考文献报道,鉴定化合物为6''-de-O-methyldendrofindlaphenol A。参考文献报道,鉴定化合物为3,4-二羟基-4',5-二甲氧基联苄。

声明:本文所用图片、文字来源《中国中药杂志》,版权归原作者所有。13C-NMR (CD3OD,100 MHz) : 132.6 (C-1),145.6 (C-2),110.8 (C-3),134.1 (C-4),106.5 (C-5),149.8 (C-6),137.2 (C-1'),149.5 (C-2', 6'),106.0 (C-3', 5'),128.8 (C-4'),39.3 (C-1''),38.4 (C-2''),135.8 (C-3''),130.6 (C-4'', 8''),116.1 (C-5'', 7''),156.5 (C-6''),77.9 (C-3'''),80.0 (C-4'''),62.3 (C-5'''),56.7 (6-OMe),56.9 (2', 6'-OMe)。如涉及作品内容、版权等问题,请与本网联系删除。1H-NMR (CD3OD,400 MHz) : 6.31 (1H, d, J = 1.6 Hz, H-2),6.25 (1H, d, J = 1.6 Hz, H-6),6.97 (2H, d, J = 8.4 Hz, H-2', 6'),6.67 (2H, d, J = 8.4 Hz, H-3', 5'),2.74 (4H, m, H-, '),3.76 (3H, s, 4-OMe),3.74 (3H, s, 5-OMe)。

化合物3 白色无定形粉末。化合物2 白色无定形粉末。

13C-NMR (CD3OD,100 MHz) : 139.5 (C-1),110.5 (C-2),154.4 (C-3),136.0 (C-4),151.5 (C-5),105.7 (C-6),134.3 (C-1'),130.7 (C-2', 6'),116.2 (C-3', 5'),156.7 (C-4'),39.7 (C-),38.4 (C-'),61.2 (4-OMe),57.0 (5-OMe)。1H-NMR (CD3OD,400 MHz) : 6.40 (1H, d, J = 1.6 Hz, H-3),6.33 (1H, d, J = 1.6 Hz, H-5),6.71 (2H, br s, H-3', 5'),2.75 (4H, m, H-1'', 2''),6.95 (1H, d, J = 8.4 Hz, H-4'', 8''),6.66 (1H, d, J = 8.4 Hz, H-5'', 7''),4.82 (1H, d, J = 8.4 Hz, H-3'''),3.97 (1H, m, H-4'''),3.68 (1H, dd, J = 3.6, 12.4 Hz, H-5'''a),3.46 (1H, dd, J = 3.6, 12.4 Hz, H-5'''b),3.79 (3H, s, 6-OMe),3.85 (6H, s, 2', 6'-OMe)。

13C-NMR (CD3Cl3,100 MHz) : 130.5 (C-1),103.6 (C-2),134.0 (C-3),133.8 (C-4),146.9 (C-5),108.8 (C-6),130.5 (C-1'),129.5 (C-2', 6'),113.7 (C-3', 5'),157.8 (C-4'),38.2 (C-),37.3 (C-'),56.2 (5-OMe),55.4 (4'-OMe)。相关链接:化合物,二羟基,二甲氧基联苄

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