... diim ciia fucoidan phan tich tif nam loii rong nau phd bie'n d Viet Nam [2], trong dd cd loai Sargassum swartzii. Fucoidan tach tit loai rong Sargassum swartzii cd hoat tfnh ddc te 300 ... dung trong nghien cim cau triic fucoidan [4-7]. Trong bii bao nay, chiing tdi cdng bd kit qua nghien citu cau triic cita phan doan fucoidan F-20 cd hoat tfnh ddc te bao eiia loai rong Sargassum ... ly mau rong nau Nguyen lieu Miu rong Sargassum& apos;swartzii duge thu d tinh Khanh Hoi, rita nhanh bang nudc nggt va phai khd tit nhien. Rong nau khd dugc cit nhd ca 1-3 mm, 1 kg rong...