Good results using snow to preserve asparagus spears

Asparagus has a short shelf life. A temperature of 0?2?C with a relative humidity of 95?100% is well known as the ideal storage environment for asparagus spears. The quality of spears stored in a snow vault and snow mount (Snow) was compared with those stored in an electric refrigerator (Refrigerator). Asparagus spears of ?Grande? and ?Gijnlim? were stored in Snow and Refrigerator for 0, 2, 5, 10, and 20 days; then, 1) physical and external appearance characteristics such as hardness, weight, and surface color, and 2) features of internal quality such as Brix, sugar, ascorbic acid, and rutin content in the spears were investigated. Although temperature and relative humidity fluctuated largely in the ranges of 3?6?C and 65?85% in Refrigerator, those in Snow were almost completely stable at 0?1?C and 100%. In ?Grande?, the weight of the spears stored in Refrigerator decreased dramatically compared with that of spears stored in Snow. The external appearance of ?Gijnlim? spears was preserved until the 10th day, but loose tips were observed on the spears in both Snow and Refrigerator on the 20th day. ?Grande? spears stored in Refrigerator turned slightly brown and wilted at the surface of the basal part compared with Snow-stored spears. No loose tips were observed on ?Grande? spears. There was also no significant difference in the internal quality of spears between those stored in Snow and Refrigerator, in both varieties. CO2 emissions in snow storage were reduced to half of those in refrigerator storage in LCA analysis and no CO2 emissions were identified during the storage period in Snow. From the perspectives of energy utilization and quality preservation, snow appears to be one of the better alternatives for spear preservation than use of a refrigerator. Sources Quality Change of Asparagus Spears Stored with Snow CoolingKana Nikaido, Tatsuru Jishi, Tomoo Maeda, Takashi Suzuki, Hajime ArakiThe Horticulture Journal (formerly Journal of the Japanese Society for Horticultural Science - JJSHS)Volume 83 (2014) No. 4 p. 327-334, Abstract The picture belongs to the article and it also contains more pictures, showing the treatments. Key wordsEsp?rrago?????????????????????????? Asparagus????????? aspersies??????????? ????????????????????? ?????? asparagoj??????????? asperges???????????? ??????????????????????????????????????????????????????? asparago???????????? szparagi?????????????? espargos???????????? ???????????????????? ku?konmaz??????? asparagus ????????????????? spargel???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??????????????? Poscosecha?????? postcosecha????? postharvest?????? na-oes? ?????????????? ?????????????????????? post-r?colte????? ??????????????????????????????????????? na-oogst???????????? post-raccolta???? Obr?bka po?????? p?s-colheita????? ???????????????????????? hasat sonras??????????????????????????????? Ernte???? ????????????????????????? ?????????????????????? postcollita?????????? poskliz?ov頠???? ?????? ????????????????????????????????? nakon branja???? pozberov頠?????????????????????? obdelovanje zemlje po??????????????? post-colleita????? ????????????????????????? pascapanen?????? ?il?onn postharvest??????? ????????????? p?c ra?as???????????? derliaus apdirbimas polepas tuai??????????? ???????????????????????? post-recoltare? ???????????? ???????????????????????? ?????????????????????? ??????????????????????????? sau thu ho?ch??????????????? ?????????????????????????????? zangemva kwenkathi yokuvuna????????????????????????????? ? ?