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Effects of Potato and Quinoa Starch Blends on the Physicochemical Properties of Filled Hydrogels
Dabin Kim,Uihwang Kim,Solji Cho,Shin-Joung Rho,Yong-Ro Kim 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
Starch blends provide several advantages that can overcome the property limitations of native starches without the chemical treatment. In this study, a 1:1 blend of potato and quinoa starches was used to measure the swelling power (SP) and thermal properties, and the effect of starch blending on changes in physicochemical properties of filled hydrogels was analyzed. The blending of two starches with different granular sizes showed additive effects on the swelling power and thermal properties, and also had slight synergy effects on the properties of the filled hydrogels. The tan δ (G"/G") value of the gel with starch blends was much lower than that of the gel with each starch, confirming that non-additive effect was imparted to the rheological properties. Therefore, the hydrogels prepared with them showed higher elasticity. As for the texture properties, the hydrogels with starch blends had increased hardness compared to those with each native starch. Therefore, it is expected that the physicochemical properties of the hydrogel can be diversified due to starch blends, and the processing suitability for use in the food industry can be improved only by starch blending.
( Jeong Uk Lim ),( Chan Kwon Park ),( Solji Han ),( Chang Min Choi ),( Chi Young Jung ),( Deog Gon Cho ),( Jae Hyun Jeon ),( Jeong Eun Lee ),( Jin Seok Ahn ),( Yeongdae Kim ),( Yoo-duk Choi ),( Yang-g 대한결핵 및 호흡기학회 2019 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.127 No.-
Purpose: The aim of this study was to compare clinical characteristics and prognosis between never and ever-smokers in female patients with lung cancer using nationwide registry in Korea. Materials and Methods: The Korean Association for Lung Cancer developed a registry in cooperation with the Korean Central Cancer Registry, and surveyed about 10% of lung cancer cases. For this first survey of cases diagnosed in 2014, cases were selected through a systematic sampling method. Results: Total of 2,621 lung cancer patients were surveyed and 744 female lung cancer patients were selected. After excluding 8 patients without data on smoking history, 736 patients were evaluated in this study. Among them, 644 (87.5%) were never-smokers, and 92 (12.5%) were ever-smokers. Median survival was compared between the two groups: median survival was not reached for the never smoker group, while it was 14.9 months for the ever-smoker group (P<0.001). During the study period, there were 635 non-small cell lung cancer (NSCLC), and 52 small cell lung cancer (SCLC). Among 635 NSCLC patients, 569 patients were never-smokers and 66 patients were ever-smokers. The ever smoker NSCLC group had significantly lower proportion of stage I patients and EGFR mutation when compared to the never-smokers (27.3% vs 41.7%, P=0.004, and 34.2% vs 50.3%, P=0.001, respectively). Among 469 patients with NSCLC, epidermal growth factor receptor (EGFR) mutation group (n=230) had higher proportion of clinical stage I (40.4% vs 29.1%, P=0.03), and patients who received targeted therapy as 1st line treatment (30.7% vs 1.8%, P<0.001) than wild-type group (n=239). From multivariable analysis for survival in 269 stage IV NSCLC patients, receiving only supportive care, and EGFR wild-type were significant predictors for shorter survival. Conclusion: From this nationwide cancer registry data, majority of female lung cancer patients were never-smokers, and showed different clinical characteristics and prognosis compared to ever-smoker patients.