So sánh dược động học của quercetin, isoquercitrin và quercetin-3-O-β-D-glucuronide ở chuột bằng HPLC-MS

PeerJ - Tập 7 - Trang e6665
Hongli Yin1,2, Ji Ma1, Jichun Han2, Maoru Li3, Jing Shang3,1,2
1School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
2State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
3Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China

Tóm tắt

Giới thiệu

Quercetin (Qr), isoquercitrin (IQ) và quercetin-3-O-β-D-glucuronide (QG) là những chất thực vật mạnh có khả năng phòng chống bệnh và cải thiện sức khỏe. Tuy nhiên, có thể tồn tại sự chuyển hoá giữa Qr, IQ và QG trong cơ thể. Cần có sự nghiên cứu hệ thống về dược động học của Qr, IQ và QG để hiểu rõ hơn về hành động dược lý của chúng.

Phương pháp

Chúng tôi đã phát triển một phương pháp HPLC-MS đáng tin cậy để so sánh dược động học của Qr, IQ và QG sau khi cho chuột uống riêng từng chất (50 mg/kg), sử dụng puerarin làm tiêu chuẩn nội bộ. Phát hiện được thực hiện bằng cách giám sát ion chọn lọc âm tính. Phương pháp này được xác nhận về độ chọn lọc, độ tuyến tính, độ chính xác, độ tái lập, khả năng thu hồi trích xuất, hiệu ứng ma trận và độ ổn định; và cho thấy độ tin cậy trong việc giám sát sự hành động dược động học của ba hợp chất này.

Kết quả

Kết quả của chúng tôi cho thấy sau khi uống riêng quercetin, IQ và QG, tất cả các hợp chất đều có thể được phát hiện trong huyết tương. Ngoài ra, QG có thể được phát hiện trong nhóm Qr; Qr và QG có thể được đo trong nhóm IQ; và Qr có thể được tìm thấy trong huyết tương chuột sau 1.5 giờ kể từ khi dùng QG. Hơn thế nữa, AUC0−t của Qr trong nhóm Qr (2,590.5 ± 987.9 mg/L*phút), nhóm IQ (2,212.7 ± 914.1 mg/L*phút), và nhóm QG (3,505.7 ± 1,565.0 mg/L*phút) lớn hơn AUC0−t của QG trong nhóm Qr (1,550.0 ± 454.2 mg/L*phút), nhóm IQ (669.3 ± 188.3 mg/L*phút), và nhóm QG (962.7 ± 602.3 mg/L*phút). AUC0−t của IQ là thấp nhất trong tất cả các nhóm.

Thảo luận

Quercetin, IQ và QG đều có thể hấp thụ vào huyết tương. Tồn tại sự chuyển hóa qua lại giữa Qr và QG, và IQ có thể được chuyển hóa thành Qr và QG trong chuột SD. Những kết quả này cung cấp cơ sở có ý nghĩa để hiểu rõ hành động dược lý của ba hợp chất này.

Từ khóa

#quercetin #isoquercitrin #quercetin-3-O-β-D-glucuronide #HPLC-MS #dược động học #chuột #hấp thụ #chuyển hóa #tác động dược lý

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