1.Saponins from the Leaves of Panax vietnamensis Ha et Grushv. (Vietnamese ginseng) and Their Inhibitory Activities on α-Glucosidase
Hoang Khang LE ; Thanh Tung PHAN ; Thi Thuy Duong NGO ; Cong Luan TRAN ; Poul Erik HANSEN ; Quang Ton THAT
Natural Product Sciences 2024;30(4):237-243
Vietnam boasts a rich and diverse flora, with many endemic species. Among them, Ngoc Linh ginseng (Vietnamese ginseng; scientific name: Panax vietnamensis Ha et Grushv.), a high-value endemic ginseng species, has been recognized as a national treasure. While numerous studies have been conducted on its rhizomes and roots, research on its leaves remains limited. In this study, six compounds (1–6) were isolated from the methanol extract of the leaves of P. vietnamensis. Their structures were elucidated using ESI-MS, 1D and 2D NMR spectroscopic methods, and comparisons with known literature data. The identified compounds are: 12β,20(R),25-β trihydroxydammara-3-O-β-D-glucopyranoside (1); 12β,20(R),25-trihydroxydammara-3-O-β-D-glucopyranosyl- (1→2)-β-D-glucopyranoside (2); notoginsenoside SFt1 (3); ginsenoside Rh2 (4); ginsenoside Rg3 (5) and notoginsenoside L1 (6). Except for compound 3, which was isolated from the leaves for the first time, the other five compounds are reported from this species for the first time. The α-glucosidase inhibition assay of the pure isolated compounds revealed that compounds 1, 4, and 6 exhibited significant activities, with IC50 values of 133.5, 105.5, and 14.9, respectively. For comparison, the positive control, acarbose, had an IC50 value of 138.2 µM.
2.Saponins from the Leaves of Panax vietnamensis Ha et Grushv. (Vietnamese ginseng) and Their Inhibitory Activities on α-Glucosidase
Hoang Khang LE ; Thanh Tung PHAN ; Thi Thuy Duong NGO ; Cong Luan TRAN ; Poul Erik HANSEN ; Quang Ton THAT
Natural Product Sciences 2024;30(4):237-243
Vietnam boasts a rich and diverse flora, with many endemic species. Among them, Ngoc Linh ginseng (Vietnamese ginseng; scientific name: Panax vietnamensis Ha et Grushv.), a high-value endemic ginseng species, has been recognized as a national treasure. While numerous studies have been conducted on its rhizomes and roots, research on its leaves remains limited. In this study, six compounds (1–6) were isolated from the methanol extract of the leaves of P. vietnamensis. Their structures were elucidated using ESI-MS, 1D and 2D NMR spectroscopic methods, and comparisons with known literature data. The identified compounds are: 12β,20(R),25-β trihydroxydammara-3-O-β-D-glucopyranoside (1); 12β,20(R),25-trihydroxydammara-3-O-β-D-glucopyranosyl- (1→2)-β-D-glucopyranoside (2); notoginsenoside SFt1 (3); ginsenoside Rh2 (4); ginsenoside Rg3 (5) and notoginsenoside L1 (6). Except for compound 3, which was isolated from the leaves for the first time, the other five compounds are reported from this species for the first time. The α-glucosidase inhibition assay of the pure isolated compounds revealed that compounds 1, 4, and 6 exhibited significant activities, with IC50 values of 133.5, 105.5, and 14.9, respectively. For comparison, the positive control, acarbose, had an IC50 value of 138.2 µM.
3.Saponins from the Leaves of Panax vietnamensis Ha et Grushv. (Vietnamese ginseng) and Their Inhibitory Activities on α-Glucosidase
Hoang Khang LE ; Thanh Tung PHAN ; Thi Thuy Duong NGO ; Cong Luan TRAN ; Poul Erik HANSEN ; Quang Ton THAT
Natural Product Sciences 2024;30(4):237-243
Vietnam boasts a rich and diverse flora, with many endemic species. Among them, Ngoc Linh ginseng (Vietnamese ginseng; scientific name: Panax vietnamensis Ha et Grushv.), a high-value endemic ginseng species, has been recognized as a national treasure. While numerous studies have been conducted on its rhizomes and roots, research on its leaves remains limited. In this study, six compounds (1–6) were isolated from the methanol extract of the leaves of P. vietnamensis. Their structures were elucidated using ESI-MS, 1D and 2D NMR spectroscopic methods, and comparisons with known literature data. The identified compounds are: 12β,20(R),25-β trihydroxydammara-3-O-β-D-glucopyranoside (1); 12β,20(R),25-trihydroxydammara-3-O-β-D-glucopyranosyl- (1→2)-β-D-glucopyranoside (2); notoginsenoside SFt1 (3); ginsenoside Rh2 (4); ginsenoside Rg3 (5) and notoginsenoside L1 (6). Except for compound 3, which was isolated from the leaves for the first time, the other five compounds are reported from this species for the first time. The α-glucosidase inhibition assay of the pure isolated compounds revealed that compounds 1, 4, and 6 exhibited significant activities, with IC50 values of 133.5, 105.5, and 14.9, respectively. For comparison, the positive control, acarbose, had an IC50 value of 138.2 µM.
4.Saponins from the Leaves of Panax vietnamensis Ha et Grushv. (Vietnamese ginseng) and Their Inhibitory Activities on α-Glucosidase
Hoang Khang LE ; Thanh Tung PHAN ; Thi Thuy Duong NGO ; Cong Luan TRAN ; Poul Erik HANSEN ; Quang Ton THAT
Natural Product Sciences 2024;30(4):237-243
Vietnam boasts a rich and diverse flora, with many endemic species. Among them, Ngoc Linh ginseng (Vietnamese ginseng; scientific name: Panax vietnamensis Ha et Grushv.), a high-value endemic ginseng species, has been recognized as a national treasure. While numerous studies have been conducted on its rhizomes and roots, research on its leaves remains limited. In this study, six compounds (1–6) were isolated from the methanol extract of the leaves of P. vietnamensis. Their structures were elucidated using ESI-MS, 1D and 2D NMR spectroscopic methods, and comparisons with known literature data. The identified compounds are: 12β,20(R),25-β trihydroxydammara-3-O-β-D-glucopyranoside (1); 12β,20(R),25-trihydroxydammara-3-O-β-D-glucopyranosyl- (1→2)-β-D-glucopyranoside (2); notoginsenoside SFt1 (3); ginsenoside Rh2 (4); ginsenoside Rg3 (5) and notoginsenoside L1 (6). Except for compound 3, which was isolated from the leaves for the first time, the other five compounds are reported from this species for the first time. The α-glucosidase inhibition assay of the pure isolated compounds revealed that compounds 1, 4, and 6 exhibited significant activities, with IC50 values of 133.5, 105.5, and 14.9, respectively. For comparison, the positive control, acarbose, had an IC50 value of 138.2 µM.
5.Saponins from the Leaves of Panax vietnamensis Ha et Grushv. (Vietnamese ginseng) and Their Inhibitory Activities on α-Glucosidase
Hoang Khang LE ; Thanh Tung PHAN ; Thi Thuy Duong NGO ; Cong Luan TRAN ; Poul Erik HANSEN ; Quang Ton THAT
Natural Product Sciences 2024;30(4):237-243
Vietnam boasts a rich and diverse flora, with many endemic species. Among them, Ngoc Linh ginseng (Vietnamese ginseng; scientific name: Panax vietnamensis Ha et Grushv.), a high-value endemic ginseng species, has been recognized as a national treasure. While numerous studies have been conducted on its rhizomes and roots, research on its leaves remains limited. In this study, six compounds (1–6) were isolated from the methanol extract of the leaves of P. vietnamensis. Their structures were elucidated using ESI-MS, 1D and 2D NMR spectroscopic methods, and comparisons with known literature data. The identified compounds are: 12β,20(R),25-β trihydroxydammara-3-O-β-D-glucopyranoside (1); 12β,20(R),25-trihydroxydammara-3-O-β-D-glucopyranosyl- (1→2)-β-D-glucopyranoside (2); notoginsenoside SFt1 (3); ginsenoside Rh2 (4); ginsenoside Rg3 (5) and notoginsenoside L1 (6). Except for compound 3, which was isolated from the leaves for the first time, the other five compounds are reported from this species for the first time. The α-glucosidase inhibition assay of the pure isolated compounds revealed that compounds 1, 4, and 6 exhibited significant activities, with IC50 values of 133.5, 105.5, and 14.9, respectively. For comparison, the positive control, acarbose, had an IC50 value of 138.2 µM.
6.Impact of long COVID-19 on posttraumatic stress disorderas modified by health literacy: an observational study inVietnam
Han Thi VO ; Tien Duc DAO ; Tuyen Van DUONG ; Tan Thanh NGUYEN ; Binh Nhu DO ; Tinh Xuan DO ; Khue Minh PHAM ; Vinh Hai VU ; Linh Van PHAM ; Lien Thi Hong NGUYEN ; Lan Thi Huong LE ; Hoang Cong NGUYEN ; Nga Hoang DANG ; Trung Huu NGUYEN ; Anh The NGUYEN ; Hoan Van NGUYEN ; Phuoc Ba NGUYEN ; Hoai Thi Thanh NGUYEN ; Thu Thi Minh PHAM ; Thuy Thi LE ; Thao Thi Phuong NGUYEN ; Cuong Quoc TRAN ; Kien Trung NGUYEN
Osong Public Health and Research Perspectives 2024;15(1):33-44
Objectives:
The prevalence of posttraumatic stress disorder (PTSD) has increased, particularly among individuals who have recovered from coronavirus disease 2019 (COVID-19) infection. Health literacy is considered a “social vaccine” that helps people respond effectively to the pandemic. We aimed to investigate the association between long COVID-19 and PTSD, and to examine the modifying role of health literacy in this association.
Methods:
A cross-sectional study was conducted at 18 hospitals and health centers in Vietnamfrom December 2021 to October 2022. We recruited 4,463 individuals who had recovered from COVID-19 infection for at least 4 weeks. Participants provided information about their sociodemographics, clinical parameters, health-related behaviors, health literacy (usingthe 12-item short-form health literacy scale), long COVID-19 symptoms and PTSD (Impact Event Scale-Revised score of 33 or higher). Logistic regression models were used to examine associations and interactions.
Results:
Out of the study sample, 55.9% had long COVID-19 symptoms, and 49.6% had PTSD.Individuals with long COVID-19 symptoms had a higher likelihood of PTSD (odds ratio [OR], 1.86; 95% confidence interval [CI], 1.63–2.12; p < 0.001). Higher health literacy was associated with a lower likelihood of PTSD (OR, 0.98; 95% CI, 0.97–0.99; p = 0.001). Compared to those without long COVID-19 symptoms and the lowest health literacy score, those with long COVID-19 symptoms and a 1-point health literacy increment had a 3% lower likelihood of PTSD (OR, 0.97; 95% CI, 0.96–0.99; p = 0.001).
Conclusion
Health literacy was found to be a protective factor against PTSD and modified the negative impact of long COVID-19 symptoms on PTSD.
7.Study on the effective control of postpreal blood glucose of resistant starch cakes in patients with type 2 diabetes
Huu Dung TRAN ; Quang Hung LE ; Bao Dung VO ; Hoang Vu NGUYEN ; Thanh Bao Yen LUONG ; That Hy TON ; Phuoc Hieu DOAN ; Thi Bich Hien PHAM ; Huu Tien NGUYEN ; Hai Thuy NGUYEN
Hue Journal of Medicine and Pharmacy 2023;13(7):52-58
Background: This study was conducted on 93 volunteers with type 2 diabetes to investigate the ability of acetylated wheat starch cake containing 32.1% resistant starch to control postprandial blood glucose levels. Material and methods: The study was designed using a crossover, double-blind trial method. During each testing day, after a minimum of 12 hours of overnight fasting, each participant consumed two identical cakes containing either 80 g of acetylated wheat starch or 80 g natural wheat starch with 330ml of water within 15 minutes. Blood glucose levels were measured at baseline, 60 mins (G1), and 120 mins (G2) after ingestion. The predictive value of factors that contribute to the ability of resistant starch to control postprandial blood glucose was determined by the area under the receiver operating characteristic (ROC) curve based on the combined effect of the cake weight-to-BMI ratio (g/m²BMI) and HbA1c. Results: 60 mins and 120 mins postprandial capillary glucose levels after consuming acetylated wheat starch cake (10.4 ± 1.2 và 9.2 ± 1.2 mmol/L, respectively) were significantly lower compared with natural wheat starch cake (13.3 ± 1.8 và 11.2 ± 1.8 mmol/L, respectively) (p < 0.05). For good control of postprandial blood glucose levels, a maximum of 80 g of acetylated wheat starch can be used per serving for patients with type 2 diabetes with HbA1c ≤ 7.25 without blood glucose-lowering medication is required. Conclusion: acetylated wheat starch has better ontroled of postprandial blood glucose compared with natural wheat starch in patients with type 2 diabetes. This is very suitable in the processing of diets including resistant starch for patients with type 2 diabetes for the purpose of both supporting treatment and improving quality of life.
8.Update on antibiotic resistance of common pathogenical bacteria isolated in Hue University of Medicine and Pharmacy Hospital
Dinh Binh TRAN ; Viet Quynh Tram NGO ; Thi Bao Chi LE ; Thi Chau Anh NGUYEN ; Hoang Bach NGUYEN ; Van Bao Thang PHAN ; Thi Khanh Linh NGUYEN ; Nu Xuan Thanh LE ; Thi Dang Khoa NGUYEN ; Thi Tuyen NGUYEN ; Thi Thuy UNG ; Thi Hai DINH ; Thi Ngoc Mai DUONG ; Minh Ngoc HOANG ; Viet Tu NGUYEN ; Le Bich Ngoc HOANG ; Tuan Khoi TRAN ; Doan Hieu TRAN ; Thi Tuyet Ngoc TRAN ; Van An LE
Hue Journal of Medicine and Pharmacy 2023;13(7):66-74
Backgroud: The aim of this study is to update on antibiotic resistance of common pathogenical bacteria isolated in Hue University of Medicine and Pharmacy Hospital (Hue UMP Hospital). Methodology: Use of the agar disk diffusion method to test the susceptibility to antimicrobial agents of 3709 bacterial strains from infected patients hospitalized in Hue UMP Hospital in 2020 - 2022. Results: Among 3709 strains of pathogenical bacteria isolated, S.aureus was found with the rate of 29.9%, followed by E. coli (24.5%), Pseudomonas aeruginasa (17.8%), Enterococcus spp. (11.8%), Klebsiella spp (9.7%) and Acinetobacter spp (4.1%). The proportion of bacterial isolates has changed, but Staphylococcus aureus is still highest rate. S.aureus is resistant to many antibiotics, but MRSA strains have decreased significantly, from 73.3% in 2020 to 62.5% in 2022. Pseudomonas aeruginosa was resistant to some of the group A recommended antibiotics such as ceftazidime, piperacillin-tazobactam with the rate of 56.6% and 48.7%. The percentage of E. coli with ESBL strains (+) was at 28.2% - 30.3%. Enterococus spp strains are still sensitive to vancomycin (83.1% - 91.9%). The rate of Klebsiella ESBL (+) is only 6.9% to 8.2%. The strains of Acinetobacter spp were highly resistant to Piperacillin (100%) and Ceftriaxone (96.5%) but they are still sensitive to imipenems 70 - 71%, highly sensitive to Doxycillin (95.2%) and Cefotaxime (88.4%). Conclusion: Many bacterial strains are resistant to many commonly antibiotics. Providing timely, regular, and effective management of antibiotic resistance patterns for common pathogenic bacteria in hospitals, will help reduce the risk of bacterial resistance.
9.Study on prognostic index for survival m-LCPI in patients with primary non-small cell lung cancer
Thi Mai Thanh HOANG ; Xuan Thuy Anh HA ; Van Khanh DANG ; Minh Tri PHAN ; Thi Xinh Tuoi TRAN ; Ngoc Quynh Huong LE ; Thi Huong Mo NGUYEN ; Nguyen Ha Trang TRAN
Hue Journal of Medicine and Pharmacy 2023;13(7):133-139
Background: Lung cancer is a common cancer with a high mortality rate. The identification of prognostic factors in lung cancer patients in Vietnam is still limited and inconsistent in clinical practice. Objectives: To describe the clinical, paraclinical characteristics and m-LCPI index in patients with primary non-small cell lung cancer and evaluate the factors affecting overall survival in patients with primary non-small cell lung cancer. Methods: Prospective study of 210 cases of non-small cell lung cancer diagnosed with primary non-small cell lung cancer at the Oncology Department of Hue University of Medicine and Pharmacy Hospital and Hue Central Hospital from February 2020 to February 2023. Results: The majority of hospitalizations were at late stages, from stage IIIA (89%), group 3 and 4 in m-LCPI grading scale constituted the majority (80%). Average overall survival at 3 years was 20.0 ± 14 months, and gradually decreased to 54.8%, 40%, and 38.6% after 1 year, 2 years and 3 years, respectively. Regression analysis of COX model between m-LCPI and OS showed statistical significance with m-LCPI 4 (HR = 3.9, 95%CI = 1.57 - 9.69, p = 0.003), while m-LCPI 3 (HR = 2.44, 95% CI 0.97 - 6.13), p = 0.058) had a weak correlation. Conclusion: Our study shows that 38.6% of patients were still alive after 3 years of diagnosis. m-LCPI index is a good predictor of the patients’ overall survival.
10.Study on the proportion of patients with uncontrolled hypertension among outpatients and related factors at the Internal Medicine Clinic, Hue university of medicine and Pharmacy Hospital
Vu Thao Vy NGUYEN ; Thi Bich Thuy LE ; Pham Phuoc Long DOAN ; Thi Thanh Nhan TRAN ; Phuoc Thuoc DOAN
Hue Journal of Medicine and Pharmacy 2023;13(7):190-197
Background: Hypertension is one of the dangerous chronic diseases. In the treatment of hypertension, controlling blood pressure to achieve treatment target is paramount to prevent dangerous complications and death. The study was conducted to identify the percentage of hypertensive patients who do not achieve treatment target among outpatients at the internal medicine clinic, Hue University of Medicine and Pharmacy Hospital, and explore some related factors. Methods: A cross-sectional study was conducted among 403 hypertensive patients treated as outpatients at the internal medicine clinic. A multivariate logistic regression model was used to identify the related factors. Results: 46.4% of hypertensive patients did not reach the treatment target. Factors related to uncontrolled hypertension were male, non-religion, comorbidities, no reduction in salt intake, the use of coffee/tea, and non-compliance with medication (p < 0.05). Conclusions: The rate of patients with uncontrolled hypertension was still high. The health sector should consider establishing an outpatient management team; strengthening communication activities and advice on diet and drug use in parallel with medical examination and treatment.

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