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Sim, Wan-Sup,Park, Sung-Ho,Choi, Sun-Il,Cho, Bong-Yeon,Choi, Seung-Hyun,Han, Xionggao,Jang, Gill-Woong,Kwon, Hee-Yeon,Choi, Ye-Eun,Men, Xiao,Yoon, Sangjin,Kim, Young-Jun,Cho, Ju-Hyun,Lee, Ok-Hwan The Korean Society of Food Hygiene and Safety 2019 한국식품위생안전성학회지 Vol.34 No.6
본 연구는 아이스플랜트의 기능성 소금 대체제로서의 가능성을 조사하고자 천연 및 정제소금과의 NaCl, D-pinitol, 총 페놀, 총 플라보노이드 및 DPPH 라디칼 소거능에 대한 기초자료를 비교 조사하였다. 아이스플랜트 동결건조분말의 NaCl 함량을 분석한 결과 19%이었고 D-pinitol의 함량은 777 mg/100 g으로 천일염 및 정제염에 비해 NaCl 함량은 유의적으로 낮으나 D-pinitol을 함유하고 있어 건강기능성에는 도움이 될 것으로 사료된다. 또한, 아이스플랜트 동결건조분말의 총 페놀 및 플라보노이드 함량은 각각 115 mg/100 g 및 985 mg/100 g을 함유하고 있어 DPPH라디칼 소거능의 항산화효과를 갖는 것으로 나타났다. 따라서 아이스플랜트 분말의 bioactive compound을 함유한 대체 소금 천연소재로서 가능성을 확인한 기초 연구를 제공하였다. This study investigated the suitability of freeze-dried ice plant (Mesembryanthemum crystallinum) as the source of an edible healthy salt alternative by examining the content of NaCl, D-pinitol, total phenols, total flavonoids, and DPPH radical scavenging activity compared with those of natural and purified salts. Our results showed that the NaCl content of freeze-dried ice plant, natural and purified salts was 19, 94 and 99%, respectively. The D-pinitol content of freeze-dried ice plant was 777 mg/100 g, whereas D-pinitol was not detected in either natural or purified salts. The total phenol and flavonoid contents of freeze-dried ice plant were 115 mg GAE/100 g and 985 mg RE/100 g, respectively. The DPPH radical scavenging activity of freeze-dried ice plant was markedly higher than that of natural and purified salts. Altogether, these results show that freeze-dried ice plant contains both NaCl and bioactive compounds and can be used as a source of edible salt with positive health effects.
고압분사주입공법으로 보강된 개량체의 특성 및 흙막이벽의 변형해석
심태섭 ( Sim Tae Sup ),주승완 ( Joo Seung Wan ) 한국농공학회 2000 韓國農工學會誌 : 전원과 자원 Vol.42 No.6
Recently, the construction method of high pressure jet-grouting is in wide-use, for the purpose of structure foundation ground, reinforcing of ground behind propped retaining walls and cut-off in order to perform safe construction of underground excavation work. This study was performed a serious of tests of field permeability and unconfined compressive strength upon ground improved established on the ground behind propped retaining walls and examined proper jet mechanism by changing the construction parameter value of high pressure jet-grouting. In addition, we got the conclusion like the followings as a result of inspecting the condition of earth pressure distribution and deformation, using elasto-plastic method and FEM. 1. In that characteristics of strength of ground improved, with the same condition of construction parameter, unconfined compressive strength of sand gravel is shown bigger than that of silty sand by about 1.6 times and cut-off effect is shown to have effect of reducing the permeability of original ground by about 10<sup>-2</sup>~10<sup>-3</sup>cm/s. 2. As a result of analysis of figures of horizontal displacing quantity of propped retaining walls materials regarding before and after High pressure jet- grouting through FEM, the reducing quantity of 0.1~0.3mm in maximum horizontal displacement is shown.