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1.江西中医药大学药学院,南昌;330004
2.江西省人民医院(南昌医学院第一附属医院)药学部,南昌 330006
3.江西中医药大学现代中药制剂教育部重点实验室,南昌 330004
4.成都中医药大学药学院,成都 611137
硕士研究生。研究方向:中药新型给药系统。E-mail:2386709073@qq.com
副主任中药师,副教授,硕士生导师,博士。研究方向:中药纳米给药系统。E-mail:984075899@qq.com
收稿:2025-11-12,
修回:2026-03-02,
录用:2026-03-02,
纸质出版:2026-03-30
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魏欣玲,张双辰,张年战,等.芍药甘草汤自组装纳米粒的促吸收作用研究 [J].中国药房,2026,37(06):713-719.
WEI Xinling,ZHANG Shuangchen,ZHANG Nianzhan,et al.Study on the absorption-enhancing effect of self-assembled nanoparticles from Shaoyao gancao decoction[J].ZHONGGUO YAOFANG,2026,37(06):713-719.
魏欣玲,张双辰,张年战,等.芍药甘草汤自组装纳米粒的促吸收作用研究 [J].中国药房,2026,37(06):713-719. DOI: 10.6039/j.issn.1001-0408.2026.06.04.
WEI Xinling,ZHANG Shuangchen,ZHANG Nianzhan,et al.Study on the absorption-enhancing effect of self-assembled nanoparticles from Shaoyao gancao decoction[J].ZHONGGUO YAOFANG,2026,37(06):713-719. DOI: 10.6039/j.issn.1001-0408.2026.06.04.
目的
2
探讨芍药甘草汤自组装纳米粒(SGD-SAN)形成对其主要活性成分肠吸收行为的影响及机制。
方法
2
制备SGD-SAN并进行表征;采用大鼠在体单向肠灌流模型,以吸收速率常数(
K
a
)和表观渗透系数(
P
eff
)为指标,以游离药物为对照,探讨SGD-SAN中5种活性成分(芍药内酯苷、芍药苷、芹糖甘草苷、甘草苷、甘草酸)在空肠和回肠的吸收特性;在较佳吸收肠段考察药物浓度及外排转运蛋白抑制剂(P糖蛋白抑制剂维拉帕米、多药耐药相关蛋白2抑制剂吲哚美辛、乳腺癌耐药蛋白抑制剂利血平)对上述成分肠吸收特性的影响。
结果
2
所得SGD-SAN呈球状且大小均一,平均粒径为(155.57±2.65)nm,多分散性指数为0.34±0.03,Zeta电位为(-9.30±1.12)mV;芍药内酯苷等5种活性成分的平均总含量为12.26%,且不受酶降解和肠道物理吸收的影响。与游离药物组比较,SGD-SAN组中5种成分在回肠段均表现出更高的吸收速率,且在回肠段中的
K
a
和
P
eff
(回肠段中甘草酸的
P
eff
除外)均显著升高(
P
<0.05或
P
<0.01),其吸收具有浓度依赖性趋势。游离药物组中,各成分的吸收均受相应抑制剂的调控(
P
<0.05或
P
<0.01);而在SGD-SAN组中,除芍药内酯苷和芍药苷外,其余成分均不受抑制剂的影响(
P
>0.05)。
结论
2
SGD-SAN能够显著改善芍药内酯苷等活性成分的肠道吸收效率,上述促吸收作用可能与规避外排转运蛋白影响、兼具混合吸收模式有关。
OBJECTIVE
2
To investigate the effect and mechanism of self-assembled nanoparticles from Shaoyao gancao decoction (SGD-SAN) on the intestinal absorption behavior of its main active components.
METHODS
2
SGD-SAN was prepared and characterized. Using an
in-situ
single-pass intestinal perfusion model in rats, the absorption characteristics of five active components (albiflorin, paeoniflorin, liquiritin apioside, liquiritin, glycyrrhizic acid) from SGD-SAN in the jejunum and ileum were studied, with the absorption rate constant (
K
a
) and apparent permeability coefficient (
P
eff
) as indicators, and compared with free drugs. In the intestinal segment with optimal absorption, the effects of drug concentration and efflux transporter inhibitors (P-glycoprotein inhibitor verapamil, multidrug resistance-associated protein 2 inhibitor indomethacin, breast cancer resistance protein inhibitor reserpine) on the intestinal absorption characteristics of these components were examined.
RESULTS
2
The obtained SGD-SAN exhibited a spherical shape with uniform sizes, an average particle diameter of (155.57±2.65) nm, a polydispersity index of 0.34±0.03, and a Zeta potential of (-9.30±1.12) mV. The average total content of five active components, including albiflorin, was 12.26%, and remained unaffected by enzymatic degradation and intestinal physical absorption. Compared with the free drug group, the five active components in the SGD-SAN group exhibited higher absorption rates in the ileal segment, with significantly elevated
K
a
and
P
eff
values (except for the
P
eff
value of glycyrrhizic acid in the ileal segment) (
P
<0.05 or
P
<0.01). Their absorption demonstrated a concentration-dependent trend. In the free drug groups, the absorption of each component was regulated by corresponding inhibitors (
P
<0.05 or
P
<0.01); whereas in
the SGD-SAN groups, except for albiflorin and paeoniflorin, the absorption of the remaining components was not affected by the inhibitors (
P
>0.05).
CONCLUSIONS
2
SGD-SAN significantly enhances the intestinal absorption efficiency of active components. The above absorption-enhancing effect may be related to the avoidance of efflux transporter influence and the presence of a mixed absorption mode.
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