"Three new developments"is the guiding ideology of Chinese-style high-quality development in the new era.Jujube(Zizyphus jujube Mill.)is a plant of Zizyphus of Rhamnaceae,which originated in China and has be..."Three new developments"is the guiding ideology of Chinese-style high-quality development in the new era.Jujube(Zizyphus jujube Mill.)is a plant of Zizyphus of Rhamnaceae,which originated in China and has been listed as one of the"five fruits"since ancient times.Xinjiang is the most important jujube producing area in China,and its yield has accounted for 50%of the national jujube yield.In the five prefectures and cities of southern Xinjiang,as well as the regimental farms of southern and eastern Xinjiang of Xinjiang Production and Construction Corps,the jujube industry is an advantageous characteristic industry in agriculture.This paper studied Xinjiang jujube industry and its agricultural intellectual property resources,analyzed six major issues to be further implemented,such as the"three new developments"thinking and the strategy of building an intellectual property power,and puts forward eight strategies such as coordinating the two markets and two resources to accelerate the construction of a new development pattern and dual circulation of jujube.展开更多
Chinese jujube is delicious and nourishing fruit.However,fresh Chinese jujube is liable to rot and drying is a necessary process.Traditional drying is a time-consuming task due to the thick cuticle of Chinese jujube.T...Chinese jujube is delicious and nourishing fruit.However,fresh Chinese jujube is liable to rot and drying is a necessary process.Traditional drying is a time-consuming task due to the thick cuticle of Chinese jujube.To improve its drying efficiency,fresh Chinese jujube was pretreated with nine different methods prior to hot-air drying.Among these methods,dipping in 2%ethyl oleate plus 5%K_(2)CO_(3) for 10 min(alkaline emulsion of ethyl oleate,AEEO)was recommended for its time-saving effect,which was found more significant at lower drying temperatures.The beneficial effect was considered based on its cuticle destruction by AEEO pre-treatment.In the meantime,the drying process was divided into three stages;each of them obeyed the first order reaction kinetics.Activation energies for the first,second and third stages of control over jujube drying were 41.45 kJ/mol,35.24 kJ/mol and 49.52 kJ/mol,and reduced by 20.9%,22.1%and 29.0%,respectively,after AEEO pre-treatment,and the drying process was well predicted by Midilli et al.model.In view of browning during drying at higher temperatures,AEEO pretreated jujube was suggested to be dried at 60°C.This finding was considered to be helpful to the industrial drying of Chinese jujube.展开更多
基金Supported by Youth Project of National Social Science Fund of China(22CMZ015)。
文摘"Three new developments"is the guiding ideology of Chinese-style high-quality development in the new era.Jujube(Zizyphus jujube Mill.)is a plant of Zizyphus of Rhamnaceae,which originated in China and has been listed as one of the"five fruits"since ancient times.Xinjiang is the most important jujube producing area in China,and its yield has accounted for 50%of the national jujube yield.In the five prefectures and cities of southern Xinjiang,as well as the regimental farms of southern and eastern Xinjiang of Xinjiang Production and Construction Corps,the jujube industry is an advantageous characteristic industry in agriculture.This paper studied Xinjiang jujube industry and its agricultural intellectual property resources,analyzed six major issues to be further implemented,such as the"three new developments"thinking and the strategy of building an intellectual property power,and puts forward eight strategies such as coordinating the two markets and two resources to accelerate the construction of a new development pattern and dual circulation of jujube.
基金This work was financially supported by National Natural Science Foundation of China(No.81072984).
文摘Chinese jujube is delicious and nourishing fruit.However,fresh Chinese jujube is liable to rot and drying is a necessary process.Traditional drying is a time-consuming task due to the thick cuticle of Chinese jujube.To improve its drying efficiency,fresh Chinese jujube was pretreated with nine different methods prior to hot-air drying.Among these methods,dipping in 2%ethyl oleate plus 5%K_(2)CO_(3) for 10 min(alkaline emulsion of ethyl oleate,AEEO)was recommended for its time-saving effect,which was found more significant at lower drying temperatures.The beneficial effect was considered based on its cuticle destruction by AEEO pre-treatment.In the meantime,the drying process was divided into three stages;each of them obeyed the first order reaction kinetics.Activation energies for the first,second and third stages of control over jujube drying were 41.45 kJ/mol,35.24 kJ/mol and 49.52 kJ/mol,and reduced by 20.9%,22.1%and 29.0%,respectively,after AEEO pre-treatment,and the drying process was well predicted by Midilli et al.model.In view of browning during drying at higher temperatures,AEEO pretreated jujube was suggested to be dried at 60°C.This finding was considered to be helpful to the industrial drying of Chinese jujube.
