Three big field projects, independent irrigation and drainage facilities, and a blocking net, which are auxiliary projects of a green planting and breeding pattern composed of rice and red swamp crawfish （Procambarus...Three big field projects, independent irrigation and drainage facilities, and a blocking net, which are auxiliary projects of a green planting and breeding pattern composed of rice and red swamp crawfish （Procambarus clarkii）, spatial and temporal coupling technology of ＂planting rice in one season and breeding red swamp crawfish in three seasons＂, green fertilization technology, green prevention and control technology, control technology of water level, and throwing technology of bait in Lixiahe region of Jiangsu Province were introduced successively, which can provide technical support for the development of ecological planting and breeding patterns and realization of green production in paddy fields.展开更多
Undersized crawfish have little economic value and are often discarded.Producing crawfish minced meat(CMM)from undersized crawfish and using an appropriate freezing technique may enable an economically viable market.T...Undersized crawfish have little economic value and are often discarded.Producing crawfish minced meat(CMM)from undersized crawfish and using an appropriate freezing technique may enable an economically viable market.The objective of this research was to evaluate the effect of the energy removal rate using two techniques,cryogenic freezing(CF)and air blast freezing(BF),on CMM’s quality during frozen storage.CMM was separated into two batches;one batch was cryogenically frozen with liquid nitrogen and the other batch was frozen with an air blast freezer.CMM batches were frozen and stored at−18℃.They were analyzed for moisture content,color,pH,and lipid oxidation during 180 days of storage.The CMM yield was 64.67%of the total crawfish weight.Cryogenic freezing achieved the highest freezing rate.Cryogenically frozen CMM showed 22%less lipid oxidation than CMM frozen by air blast freezing at 180 days of storage.This study showed that CMM could be mechanically produced from undersized crawfish and freezing techniques with high energy removal rate could better maintain quality attributes for CMM during frozen storage.展开更多
基金Supported by Gaoyou Demonstration and Extension Base of Modern Agricultural(Rice and Wheat)Industrial Technology System in Jiangsu(SXGC[2017]168)Funds for Independent Innovation of Jiangsu Province(CX17(2007),KF(17)1022)+1 种基金Key Research and Development Plan Project(BE2017332)Agricultural Standardization Pilot Project of Jiangsu Province([2017]46)~~
文摘Three big field projects, independent irrigation and drainage facilities, and a blocking net, which are auxiliary projects of a green planting and breeding pattern composed of rice and red swamp crawfish （Procambarus clarkii）, spatial and temporal coupling technology of ＂planting rice in one season and breeding red swamp crawfish in three seasons＂, green fertilization technology, green prevention and control technology, control technology of water level, and throwing technology of bait in Lixiahe region of Jiangsu Province were introduced successively, which can provide technical support for the development of ecological planting and breeding patterns and realization of green production in paddy fields.
文摘Undersized crawfish have little economic value and are often discarded.Producing crawfish minced meat(CMM)from undersized crawfish and using an appropriate freezing technique may enable an economically viable market.The objective of this research was to evaluate the effect of the energy removal rate using two techniques,cryogenic freezing(CF)and air blast freezing(BF),on CMM’s quality during frozen storage.CMM was separated into two batches;one batch was cryogenically frozen with liquid nitrogen and the other batch was frozen with an air blast freezer.CMM batches were frozen and stored at−18℃.They were analyzed for moisture content,color,pH,and lipid oxidation during 180 days of storage.The CMM yield was 64.67%of the total crawfish weight.Cryogenic freezing achieved the highest freezing rate.Cryogenically frozen CMM showed 22%less lipid oxidation than CMM frozen by air blast freezing at 180 days of storage.This study showed that CMM could be mechanically produced from undersized crawfish and freezing techniques with high energy removal rate could better maintain quality attributes for CMM during frozen storage.
