Experimental parameter nguEld m Total carotene at begining, after 1 days, 2 days etc until carotene reduction 80% compared to begining at 450C, 550C to calculte the real time of preservation. Fixed parameter: Temperature storage: 550C, 450C. sample packed in vaccum in two layes PA/PE with alluminum carton layer outside. Target parameter: Total carotenoid ug/g Gac seed membrane (dry matter).