... 15-73-2 Specification: 20%,40% Aloin(Barbaloin) or extract ratio 4:1,10:1,100:1,200:1 Aloe ... Part Used: leaf Specification: 20%,40% Aloin(Barbaloin) or extract ratio 4:1,10:1,100:1,200:1 Appearance ... in a cool and dry well-closed container, keep away from moisture and strong light/heat. Shelf life: Two years ... under well storage situation and stored away from direct sun light. Aloe Vera Extract