1Analysis and Evaluation of Chinese Traditional Food From a Scientific PerspectiveZHANG Bing-wenSpecial Contribution1-52Effects of Different Harvest Dates on Quality of During Cold StorageLI Ji-lan, SONG Ye, FENG Jian-hua, LV Ping, JIA Lian-wen, YU Wang-qingCirculation and Preservation6-93Quality Change of Black Grape under Critical Low Temperature and High Humidity Storage ConditionsZHAO Xin, CHEN Guo-gang, GUO Wen-boCirculation and Preservation10-144Study on the Enzymatic Hydrolysis Technology and Formula of Blueberry Juice BeverageCHU Le, MA Yin-fei, ZHAO Yan, DING Chen, HE Fa-tao, ZHU Feng-taoProcess16-205Conditions Optimization of Cholesterol Extraction from Fish Oil with Absolute AlcoholZHANG MinProcess21-246Research Progresses of Chemistry, Pharmacology and Application of Zizp HusjujubaWU Guo-tai, HE Xiao-fei, NIU Ting-hui, WANG Xiao-fei, WU Yu-peng, REN YuanComprehensive Utilization25-287Research Progress of Modern Pharmacology and Pharmacodynamics of Welsh OnionTIAN Xiao-qing, YU Fa-chang, WANG Rui, LI ShengComprehensive Utilization29-338Distillation Extraction and Determination Method of Formaldehyde from Chinese CabbageZHAO Ming, LIU Hui, WANG Xiu-juan, ZHAO Yan-rongQuality Control34-369Problems and Suggestions on the Quality and Safety of Agricultural Products at the Basic LevelSUN Mao-hao, LI Yan-hong, WANG Yong, WANG Xiao-meiQuality Control37-3910Nutrient Absorption Characteristics and Fertilization Techniques of RadishYANG Xin-aiQuality Control40-4111The Effect of Chitosan on Yield and Quality of TomatosLIU Jin-feng, QI Yun, SUN Ming-wei, LIU You-liQuality Control42-4412Reflection on the Key Strategies of Agricultural Products Marketing in the Internet EraLUO Shi-chuang, LIU Zu-yu, ZHANG Qian-wei, YANG Zai-xin, YAO Xiao-lin, ZHANG Qian-qian, XU Qing, WANG JianIndustry Dynamics46-4813Investigation Report on Fruit Varieties and Industry Development in the Field of Pingyuan CountyREN Shan-junIndustry Dynamics49-5314Analysis of Promotion and Development Trend of the Whole Film Double Ridge Cultivation TechnologyPEI Qi-li, ZHENG Hui-pu, WEN Zhen-xiangIndustry Dynamics54-5615Afforestation Techniques of WalnutCHEN Zhi-qiangCultivation Mangement59-6016Ecological Construction and Cultivation Techniques of Peach OrchardXIANG Ling-bao, HE Hua-ping, WANG Fu-rongCultivation Mangement61-6417Study on Chemical Control of Downy Mildew of CucumberGUO Ji-min, ZHANG Miao, GUAN Ming-leCultivation Mangement65-6618Analysis of Multi Crop Rotation Patterns in GreenhouseLIU Jing, WANG Wen, LIU Li-tao, LI Hui-min, WANG Dan-danCultivation Mangement67-6919Prevention and Control Technologies of Peach Brown Rot in Ecological Harvesting GardenZHU Zi-liCultivation Mangement70-7220Planting and Harvesting Points of OkraXIAO Xian-chaoCultivation Mangement73-75 