1.Herbal Textual Research on Malvae Semen in Famous Classical Formulas
Dongxue CHEN ; Yibo LIU ; Yangyang YU ; Guoshuai LYU ; Huili WU ; Xinle HAN ; Yue TAN ; Minhui LI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(7):252-264
The medicinal use of Malvae Semen has a long history. In this paper, by consulting the ancient materia medica, prescription, agronomy, literature and other aspects of the classics, the name, origin, evolution of scientific name, quality, harvesting and processing, functions and indications and others of Malvae Semen were systematically sorted out and verified, so as to provide a basis for the development and utilization of famous classical formulas containing this herb. According to the textual research, Shennong Bencaojing began to use Dongkuizi as the correct name, which was used in the past dynasties, and there were also aliases such as Kuicaizi, Huacai, and Kuizi. Through the original research, it can be seen that Kuicai is the mainstream original plant of Malvae Semen, that is, Malva verticillata var. crispa, the Alcea rosea and M. cathayensis are also used. In modern times, the seeds of Abutilon theophrasti have been passed off as Malvae Semen, while the seeds of M. verticillata var. crispa have rarely been used in medicine. And Abutili Semen has been another medicinal material with different efficacy since the collection of Newly Revised Materia Medica in the Tang dynasty. Since the Ming and Qing dynasties, the cultivation of Kuicai has been decreasing, while A. theophrasti is more common and easy to obtain, and Abutili Semen and Malvae Semen are similar in morphology and confused, which should be corrected. In addition, Malvae Fructus is a Mongolian customary medicinal herb, which is different from the traditional use of seeds in traditional Chinese medicine. Kuicai, as an important vegetable in history, was widely cultivated and gradually shrunk after the Song dynasty, it is now mainly produced in southern provinces. The quality evaluation of Malvae Semen is better for those with dry bodies, full grain, grayish brown color, no mud, and no impurities. The harvesting is generally in the autumn and winter. After drying, it is seeded, sieved peel and impurities, mashed, or slightly stir-fried to yellow-white color with gentle fire. It is sweet, cold and slippery in nature and taste, with the main effects of laxation, diuresis, lactation and elimination of swelling. The efficacy of Abutili Semen is clearing heat and removing toxicity, promoting diuresis and removing nebula, the efficacy is quite different from that of Malvae Semen. Based on the results of textual research, it is suggested that M. verticillata var. crispa should be used as the medicinal source of Malvae Semen in the development of famous classical formulas, the corresponding processing methods should be selected according to the requirements of drug processing in the formulas, while the raw products are recommended to be used if the processing is not specified.
2.Herbal Textual Research on Malvae Semen in Famous Classical Formulas
Dongxue CHEN ; Yibo LIU ; Yangyang YU ; Guoshuai LYU ; Huili WU ; Xinle HAN ; Yue TAN ; Minhui LI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(7):252-264
The medicinal use of Malvae Semen has a long history. In this paper, by consulting the ancient materia medica, prescription, agronomy, literature and other aspects of the classics, the name, origin, evolution of scientific name, quality, harvesting and processing, functions and indications and others of Malvae Semen were systematically sorted out and verified, so as to provide a basis for the development and utilization of famous classical formulas containing this herb. According to the textual research, Shennong Bencaojing began to use Dongkuizi as the correct name, which was used in the past dynasties, and there were also aliases such as Kuicaizi, Huacai, and Kuizi. Through the original research, it can be seen that Kuicai is the mainstream original plant of Malvae Semen, that is, Malva verticillata var. crispa, the Alcea rosea and M. cathayensis are also used. In modern times, the seeds of Abutilon theophrasti have been passed off as Malvae Semen, while the seeds of M. verticillata var. crispa have rarely been used in medicine. And Abutili Semen has been another medicinal material with different efficacy since the collection of Newly Revised Materia Medica in the Tang dynasty. Since the Ming and Qing dynasties, the cultivation of Kuicai has been decreasing, while A. theophrasti is more common and easy to obtain, and Abutili Semen and Malvae Semen are similar in morphology and confused, which should be corrected. In addition, Malvae Fructus is a Mongolian customary medicinal herb, which is different from the traditional use of seeds in traditional Chinese medicine. Kuicai, as an important vegetable in history, was widely cultivated and gradually shrunk after the Song dynasty, it is now mainly produced in southern provinces. The quality evaluation of Malvae Semen is better for those with dry bodies, full grain, grayish brown color, no mud, and no impurities. The harvesting is generally in the autumn and winter. After drying, it is seeded, sieved peel and impurities, mashed, or slightly stir-fried to yellow-white color with gentle fire. It is sweet, cold and slippery in nature and taste, with the main effects of laxation, diuresis, lactation and elimination of swelling. The efficacy of Abutili Semen is clearing heat and removing toxicity, promoting diuresis and removing nebula, the efficacy is quite different from that of Malvae Semen. Based on the results of textual research, it is suggested that M. verticillata var. crispa should be used as the medicinal source of Malvae Semen in the development of famous classical formulas, the corresponding processing methods should be selected according to the requirements of drug processing in the formulas, while the raw products are recommended to be used if the processing is not specified.
3.Herbal Textual Research on Arcae Concha in Famous Classical Formulas
Yiqin ZHANG ; Yixue ZHUANG ; Yinan LU ; Yanning CHEN ; Yichong CHEN ; Shuiyu XU ; Zhilai ZHAN ; Chengzi YANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):208-218
In this paper, the name, origin, producing area, harvesting, processing and functional indications of Arcae Concha were systematically combed and verified by consulting the ancient and modern literature, in order to provide a basis for the development of famous classical formulas containing Arcae Concha. Arcae Concha was first recorded in the name of Han in Bencao Shiyi, but later, due to the influence of LI Shizhen's error of combining Han item with Kuiha in the Ming dynasty, there were aliases such as Kuilu and Fulao, and Yizong Bidu began to include Walengzi as its correct name and has been used ever since. The textual descriptions and illustrations of the medicinal materials of Arcae Concha contained in the materia medica of the past generations were consistent with the modern Arca inflata, A. subcrenata and A. granosa. In ancient times, there were medicinal records of two parts of shell and meat, but now the shell is used as medicine, and the meat is mostly edible. In ancient times, Zhejiang, Shandong, Guangdong and Guangxi were the main producing areas, and Zhejiang was the best. It is now believed that A. inflata is mostly distributed in the northern part of the Huanghai Sea, A. granosa is mostly distributed in the coastal areas south of Shandong Peninsula in China, and A. subcrenata is widely distributed in the coastal areas of China. Its quality is better in a complete, white, no residual meat and sand. In ancient times, there was no clear harvesting period, and the processing was mainly based on vinegar quenching after calcination or powdering of calcined shell, but now the harvesting period is autumn and winter. After harvesting, it is directly washed and crushed for raw use or processed by calcined method. The records of the medicinal materials in the past dynasties on the properties of Arcae Concha were mainly warm, sweet, salty and mild, and it is now believed that Arcae Concha is salty in taste and mild in nature. In ancient times, it was believed that Arcae Concha were mainly used for coldness in the heart and abdomen, coldness in the waist and spine, benefiting the five internal organs, strengthening the stomach. Nowadays, it is believed that Arcae Concha can eliminate phlegm and remove blood stasis, soften the hardness and dissipate the lumps, produce acid and relieve pain. It can be used in the treatment of stubborn phlegm, gall tumor, scrofula and other symptoms. In conclusion, it is suggested that for the famous classical formulas containing Arcae Concha, the corresponding methods should be selected according to the processing requirements of the drug in the formulas, while those without processing requirements can be determined according to the functional position of the products.
4.Herbal Textual Research on Kochiae Fructus in Famous Classical Formulas
Huifang HU ; Liping YANG ; Fei CHEN ; Xiaohui MA ; Ling JIN ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(15):247-257
In this paper, by referring to ancient and modern literature, the textual research of Kochiae Fructus has been conducted to clarify the name, origin, distribution of production areas, quality specification, taste and efficacy, harvesting time, processing and compatibility taboo, so as to provide reference and basis for the development and utilization of related famous classical formulas. According to the investigation, it can be seen that Difuzi was first published in Sheng Nong's Herbal Classic, and has been used as the official name throughout history. It is also known by other names such as Dimai, Dikui, and Luozhou. The mainstream source of Difuzi in materia medica throughout history is the dried ripe fruit of Kochia scoparia, which is consistent throughout history. In the Han dynasty, it was recorded that Kochiae Fructus was produced in Jingzhou(Hubei province), while modern literature records its distribution throughout the country, so it does not have obvious geoherbalism. The harvesting period of Kochiae Fructus is mostly in the late autumn, and the quality is best when it is full, gray green in color, and no impurities. There are two processing methods for its origin:from the Southern and Northern dynasties to the Ming dynasty, it was dried in the shade, and after the founding of the People's Republic of China, it was dried in the sun. There are few records about the processing of Kochiae Fructus, and its clinical application is mostly based on raw products as medicine. The seedlings are harvested in February of the lunar calendar, and the leaves are taken in April and May, processing in the place of origin is shade drying, the processing methods include burning ash and frying frost, pounding juice and wine soaking. For internal use, it is mostly decocted or mashed, while for external use, it is mostly washed with decoction or taken in a soup bath. Throughout history, it has been recorded that Kochiae Fructus is bitter and cold, and is mainly used for treating bladder fever. After the founding of the People's Republic of China, most of the literature classified it as damp-clearing medicine. Since the 1985 edition of Chinese Pharmacopoeia, it has been recorded that Kochiae Fructus has a pungent and bitter taste, and a cold nature. Returning to the kidney and bladder meridians with functions of clearing heat and dampness, dispelling wind and relieving itching. The clinical contraindications are mainly prohibited for those with deficiency and no dampness and heat. Throughout history, it has been recorded that the taste of the seedlings and leaves is bitter and cold for treatment of dysentery. Since modern times, it has been used to regulate the liver, spleen and large intestine meridians, with functions such as clearing heat and detoxifying, and diuresis. Based on the textual research, it is recommended to use the dried ripe fruit of K. scoparia when developing the famous classical formulas containing Kochiae Fructus, and processing shall be carried out according to the original processing requirements. If the original formula does not specify the processing requirements, the raw products is taken into medicine.
5.Herbal Textual Research on Cnidii Fructus in Famous Classical Formulas
Huifang HU ; Liping YANG ; Fei CHEN ; Xiaohui MA ; Ling JIN ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(16):243-253
In this paper, by referring to ancient and modern literature, the textual research of Cnidii Fructus has been conducted to clarify the name, origin, distribution of production areas, quality specification, nature and flavour, efficacy, harvesting and processing, compatibility taboo and others, so as to provide reference and basis for the development and utilization of the relevant famous classical formulas. After textual research, it can be verified that Cnidii Fructus was first published in Sheng Nong's Herbal Classic, the materia medica of all dynasties was named Shechuangzi, and there are also aliases such as Shesu, Shemi, and Qiangmi. The main source for generations was the dried ripe fruit of Cnidium monnieri, and ancient and modern consistent. From the Eastern Han dynasty to Tang dynasty, the origin of Cnidii Fructus was Zibo, Shandong province. During the Five dynasties, it expanded to Yangzhou in Jiangsu province and Xiangyang in Hubei province, the Song dynasty added Shangqiu in Henan province, and it was considered that Yangzhou, Xiangyang and Shangqiu were its genuine producing areas. It was more widely distributed in Ming and Qing dynasties. After the founding of the People's Republic of China, the origin is clearly distributed throughout the country. For its quality evaluation, generally full grain, gray yellow color, strong aroma is the best. The harvesting period in the past dynasties was mostly the fifth lunar month, and the fruit was collected to remove impurities and dry. The mainstream processing in producing area of the past dynasties was net selection of raw products, mixing and steaming with the juice of Rehmanniae Radix and stir-frying were the mainstream processing methods in the past, there were also stir-frying with honey, stir-frying with salt and rice wine, immersing and steaming with rice wine and other methods. In recent times, it has been used in raw products as medicine. Sheng Nong's Herbal Classic recorded Cnidii Fructus was bitter, Supplementary Records of Famous Physicians recorded its acrid for the first time. It was recorded in the Ming dynasty that its nature was warm, acted on the kidney meridian, and had small toxicity. After the founding of the People's Republic of China, most of the literature classified it as a medicine to attack poison, kill insects and relieve itching with the functions of dispelling pathogenic wind and removing dampness, destroying parasites and elieving itching, warming kidney and activating Yang. Clinical contraindications are mainly contraindicated for people with damp-heat from the lower-jiao or kidney heat. Based on the textual research, it is suggested that when developing the famous classical formulas containing Cnidii Fructus, the source shall be the dried ripe fruit of C. monnieri, and then it shall be processed according to the original formulas. If there is no requirement for processing in the formulas, the raw products can be taken into medicine.
6.Herbal Textual Research on Bruceae Fructus in Famous Classical Formulas
Shuiyu XU ; Yixue ZHUANG ; Yiqin ZHANG ; Yichong CHEN ; Yanning CHEN ; Zhilai ZHAN ; Chengzi YANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(7):11-19
Through consulting the ancient herbal books and modern literature, this paper has carried out the textual research on the name, origin, place of origin, harvesting and processing, and other contents of Bruceae Fructus, combed its ancient and modern medicinal history, so as to provide reference for the development of famous classical formulas containing Bruceae Fructus. Through the herbal textual research, It can be verified that, since the Qing dynasty, Bruceae Fructus has been recorded in the materia medica, most of the materia medica in previous dynasties took Bruceae Fructus as its proper name, and Laoyadan, Kushenzi and Yadanzi as the aliases. The main origin of Bruceae Fructus is Brucea javanica, its medicinal part is the fruit, which is harvested from August to October every year, the fruit can be harvested when it is ripe. Bruceae Fructus was first distributed in Fujian, Guangdong and Guangxi, and gradually expanded to the south of China with the change of time. The traditional processing method of Bruceae Fructus is mainly to remove the shell and kernel, and remove the oil by frosting. The 2020 edition of Chinese Pharmacopoeia stipulates that its processing method is to remove the shell and impurities. Based on the research results, it is suggested that the dried mature fruit of B. javanica should be selected for the development of famous classical formulas containing this herb, and the raw products can be used if the original formula does not specify the processing requirements.
7.Herbal Textual Research on Selaginellae Herba in Famous Classical Formulas
Yinan LU ; Jing MENG ; Yangyang CHEN ; Zhilai ZHAN ; Chengzi YANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(7):31-39
By consulting the ancient Chinese herbal books, medical books and formularies of the past dynasties, and combining with modern research data, this paper makes a systematic textual research on the name, origin, place of origin, traditional quality evaluation, harvesting and processing of Selaginellae Herba, so as to provide a basis for the development and utilization of the relevant famous classical formulas. According to the textual research, Juanbai is the correct name of the herbal medicine in all dynasties, and there are also aliases such as Baozu, Qiugu, Jiaoshi and Jiusi Huanhuncao. The origin of Selaginellae Herba in the ancient herbal books was Selaginella tamariscina in all dynasties. Since the Republic of China, S. pulvinata has been gradually used as another origin of Selaginellae Herba. In ancient times, the producing area of S. tamariscina was mainly in Shandong, Hebei, Henan, Shaanxi, Jiangsu and Sichuan, etc. Nowadays, it is produced all over the country. S. pulvinata is mainly produced in Guangxi, Fujian, Sichuan, Guizhou, Yunnan, Hebei and so on. Since the recent times, it is concluded that the quality of the green color, complete and unbroken is good. Before the Qing dynasty, it was recorded that the harvesting time of Selaginellae Herba was generally from April to July, and it was expanded to all year round since the Qing dynasty. After harvesting, remove the sediment(sand and mud), cut off the fibrous roots and dry in the shade or in the sun. The processing methods in all dynasties were mainly carbonizing by stir-frying and stir-bake to brown, and some ancient books contained the processing method of brine boiling, which was rarely used in modern times. Based on the results, it is recommended that S. tamariscina should be used as the base material of Selaginellae Herba. Because of more impurities, it should be fully purified to ensure the cleanliness of the herb, and the processing method can be based on the prescription requirements, if the processing requirements are not specified, the raw products can be used, charcoal products is recommended for use as an hemostatic.
8.Comparison of Wild and Cultivated Codonopsis pilosula Based onTraditional Quality Evaluation
Xiaoyan LAN ; Chunfang TIAN ; Zhilai ZHAN ; Li ZHOU ; Xiang LI ; Zidong QIU ; Tiegui NAN ; Qili YUAN ; Xiaoliang LIN ; Congkui TIAN ; Meilan CHEN ; Liping KANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(14):156-164
ObjectiveTo conduct a systematic comparative study on wild and cultivated Codonopsis pilosula(CP) from three aspects, including characters, microscopy, and contents of primary and secondary metabolites. MethodWild and cultivated CP samples were collected, their characters were measured using vernier caliper, tape measure and balance, the paraffin sections were stained with safranin-fixed green dyeing, and their microstructure were observed under the optical microscope. The content of alcohol-soluble extracts in wild and cultivated CP was determined according to the method for determination of extract under CP in the 2020 edition of Chinese Pharmacopoeia, the starch content was determined by anthrone colorimetry, the content of total polysaccharides was determined by kit method, Fiber analyzer was used to determine the content of fiber components, and ultra performance liquid chromatography(UPLC) was used to determine the content of monosaccharides, disaccharides and some secondary metabolites. Multivariate statistical analysis methods such as principal component analysis(PCA) and orthogonal partial least squares-discriminant analysis(OPLS-DA) were employed to screen key differential components between wild and cultivated CP on the basis of variable importance in the projection(VIP) value>1 and P<0.05. ResultIn terms of morphological characteristics, the "lion's head-like" shape, longitudinal wrinkles, and circumferential wrinkles below the root cap of wild CP were more pronounced in wild CP compared to the cultivated ones. Regarding transverse sectional features, wild CP had more fissures on the outer side of the cortex and a larger duramen. Under microscopic examination, wild CP had more stone cells, a larger proportion of xylem, and the presence of cork cells arranged in rings in the xylem, while cultivated CP has a larger proportion of phloem, smaller vessel diameters, and a more loosely arranged vascular system. In terms of primary metabolites, the contents of 45% ethanol-soluble extract and total polysaccharides in cultivated CP were significantly higher than those in the wild ones(P<0.05), the contents of lignin, hemicellulose, cellulose, fructose and glucose in wild CP were significantly higher than those in the cultivated ones(P<0.05), while sucrose content in the cultivated CP was significantly higher than that in the wild ones(P<0.05). Concerning secondary metabolites, the contents of tryptophan and tangshenoside Ⅰ in cultivated CP were significantly higher than those in the wild ones(P<0.05), whereas the contents of lobetyolinin, lobetyol and atractylenolide Ⅲ in wild CP were significantly higher than those in the cultivated ones(P<0.05). ConclusionThere are significant differences between wild and cultivated CP in terms of morphological characteristics, microscopic features and chemical composition. Glucose, fructose, sucrose, tangshenoside Ⅰ, tryptophan and cellulose components are the key differential components between wild and cultivated CP. Wild CP contains more polyacetylenes and fructose, whereas cultivated CP has higher levels of tangshenoside Ⅰ and sucrose, with noticeably lower cellulose content. These distinctions may be related to their growth conditions, growth years and cultivation techniques. Based on the results of this study, it is recommended to increase polyacetylenes and the content ratio of fructose to sucrose as an indicators to characterize different production methods of CP, in order to guide the high-quality production of CP.
9.Herbal Textual Research on Olibanum in Famous Classical Formulas
Haiyan ZHOU ; Qingqing WANG ; Qi ZHANG ; Suping XIAO ; Meng CHEN ; Jianxin ZHOU ; Yeda ZHANG ; Danyang JIA ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(4):55-66
By consulting the ancient and moderm literature, this paper makes a textual research on the name, origin, quality evaluation, harvesting and processing of Olibanum, so as to provide a basis for the development of the famous classical formulas containing this medicinal material. According to the herbal textual research, the results showed that Olibanum was first described as a medicinal material by the name of Xunluxiang in Mingyi Bielu(《名医别录》), until Ruxiang had been used as the correct name since Bencao Shiyi(《本草拾遗》) in Tang dynasty. The main origin was Boswellia carterii from Burseraceae family. The mainly producing areas in ancient description were ancient India and Arabia, while the modern producing areas are Somalia, Ethiopia and the southern Arabian Peninsula. The medicinal part of Olibanum in ancient and modern times is the resin exuded from the bark, which has been mainly harvested in spring and summer. It is concluded that the better Olibanum has light yellow, granular, translucent, no impurities such as sand and bark, sticky powder and aromatic smell. There were many processing methods in ancient times, including cleansing(water flying, removing impurities), grinding(wine grinding, rush grinding), frying(stir-frying, rush frying, wine frying), degreasing, vinegar processing, decoction. In modern times, the main processing methods are simplified to cleansing, stir-frying and vinegar processing. Nowadays, the commonly used specifications include raw, fried and vinegar-processed products. Among the three specifications, raw products is the Olibanum after cleansing, fried products is a kind of Olibanum processed by frying method, vinegar-processed products is the processed products of pure frankincense mixed with vinegar. Based on the research results, it is recommended to select the resin exuded from the bark of B. carterii for the famous classical formulas such as Juanbitang containing Olibanum, processing method should be carried out in accordance with the processing requirements of the formulas, otherwise used the raw products if the formulas without clear processing requirements.
10.Effect of Atractylodis Macrocephalae Rhizoma on Short-chain Fatty Acids and Intestinal Barrier in Mice with Slow-transit Constipation
Kang YIN ; Keli CHEN ; Yanwen LIU ; Songlin LIU ; Zilong HE ; Lichao YANG ; Xin CHEN ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(6):66-74
ObjectiveTo investigate the mechanism of Atractylodis Macrocephalae Rhizoma(AMR) in the treatment of slow-transmission constipation(STC) by observing the effects of AMR on short-chain fatty acids and intestinal barries in STC mice. MethodForty-eight male KM mice were randomly divided into blank group, model group, AMR low-, medium-, high-dose groups(2.5, 5, 10 g·kg-1) and mosapride group(2.5 mg·kg-1). Except for the blank group, all groups were gavaged with loperamide suspension(5 mg·kg-1) twice daily for 14 d to construct the STC mouse model. At the same time, each drug administration group was given the corresponding drug by gavage for consecutive 14 d, the blank and model groups were gavaged with equal volume of distilled water. The effects of the treatment of AMR on body mass, defecation frequency, fecal water content and intestinal propulsion rate of mice were observed, the pathological changes of mouse colon were observed by hematoxylin-eosin(HE) staining and periodic acid-Schiff(PAS) staining, the levels of gastrin(GAS) and motilin(MTL) in serum were detected by enzyme-linked immunosorbent assay(ELISA), gas chromatography-mass spectrometry(GC-MS) was used to detect the contents of short-chain fatty acids(SCFAs) in mouse feces, real-time fluorescence quantitative polymerase chain reaction(Real-time PCR) and Western blot were used to determine the mRNA and protein expression levels of zonula occludens-1(ZO-1), Occludin, and Claudin-1 in the colon of mice. ResultCompared with the blank group, the body mass, defecation frequency, fecal water content and intestinal propulsion rate of mice in the model group were significantly decreased(P<0.05, P<0.01), the arrangement of colonic tissues was disordered, and the number of goblet cells was reduced, the levels of GAS and MTL in serum were significantly decreased(P<0.01), and the levels of SCFAs in the feces were on a decreasing trend, with the contents of acetic acid, propionic acid, butyric acid, isobutyric acid and valeric acid were significantly decreased(P<0.05, P<0.01), the mRNA and protein expression levels of ZO-1, Occludin and Claudin-1 in the colonic tissues were significantly decreased(P<0.01). The above results suggested that STC mouse model was successfully constructed. Compared with the model group, the body mass, defecation frequency, fecal water content and intestinal propulsion rate of mice in AMP administration groups all increased significantly(P<0.05, P<0.01), the mucosal layer of the colonic tissues was structurally intact without obvious damage, and the number of goblet cells increased, serum levels of GAS and MTL were significantly increased(P<0.01), the contents of SCFAs in the feces were all on a rising trend, with the contents of acetic, propionic, butyric and isobutyric acids rising significantly(P<0.05, P<0.01), the mRNA and protein expression levels of ZO-1, Occludin and Claudin-1 in the colonic tissues were significantly increased(P<0.05, P<0.01). ConclusionAMR is able to improve the constipation symptoms in STC mice, and its mechanism may be related to increasing the contents of SCFAs in the intestine as well as promoting the mRNA and protein expression levels of ZO-1, Occludin and Claudin-1 in the colon.

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