Microbial Polysaccharide

Polysaccharide chức năng của vi sinh vật đã được sử dụng trong nhiều năm như một phần chế độ ăn uống của con người và đóng vai trò như một nguồn dược liệu. Ví dụ, ở vùng Đông Á, các chiết xuất tan trong nước nóng của nấm (chủ yếu là polysaccharide) đã được sử dụng hàng trăm năm cho mục đích y tế. Các phương thức y học đông y này đã mở đường cho các nghiên cứu khoa học hiện đại về các polysaccharide vi sinh vật y học. Ngày nay được biết rằng nhiều loại nấm, bao gồm nấm thông thường, cũng như nấm men, vi khuẩn axit lactic, và các vi khuẩn khác, tiết các polysaccharide ngoại bào (extracellular polysaccharide) như là một phần trong quá trình trao đổi chất của chúng, hoặc các polysaccharide thành tế bào của chúng, có biểu hiện kháng thể, kích thích miễn dịch (immunostimulatory), Hạ huyết áp, hạ đường huyết, và các ảnh hưởng khác có lợi cho sức khoẻ con người. Khi có đáp ứng miễn dịch, hoạt động bảo vệ của chúng thường được trung gian bằng sự kích thích của hệ thống miễn dịch thay vì tương tác trực tiếp với tác nhân gây bệnh; Do đó, chúng còn được gọi là các chất điều chỉnh đáp ứng sinh học - (biological response modifiers - BRMs).

 Tài liệu tham khảo

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