How did they last so long? When the pastel-white lotus seed ages, its turns dark blue and its pores shrink. Air and water cannot get in, nor can microbes, thus preserving the seed.
蓮子如此可耐，因為粉白的蓮子老熟時，轉呈深藍色，氣孔道縮小，外界空氣、水分不易進入，也阻擋了微生物入侵，保障了蓮子的長壽。