ʻO ke kiʻi ʻoniʻoni BOPA pale kiʻekiʻe EHA i hoʻomohala ʻia e Changsu he ʻoi aku ka maikaʻi o ka mālama ʻana i ka ʻala a me nā waiwai pale oxygen [EHAp＜2cc/㎡·lā·atm (23℃ 50%RH)], hiki ke hōʻemi i ka pilikia o ka hoʻopōʻino ʻana i ka microbial a hiki ke mālama ʻia. no ka manawa loihi.E mālama ana i ka ʻono mua a me ka ʻono hou o ka cheese.Eia hou, hiki i ka EHA ke mālama i ka tensile maikaʻi a me ka hoʻopaʻa ʻana i nā mahana maloʻo, hiki ke hōʻemi maikaʻi i ka pilikia o ka haki ʻana o ka ʻeke ma muli o nā hopena i ka wā o ka lawe logistic.