2.This paper resort 10 ppm SnCl_2 serve as darkening inhibitor,the wine may delay darkening,after 1 year storaged it kept medium amber colour and bright in appearance, the wine presented delicious and mildtaste.
4.The organoleptic evaluation showed that the Cabernet Sauvignon dry red wine after MLF by inoculating SD-2a had mild and harmonious1 taste, heavy fragrance, structural balance and higher quality.