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한우 암소의 부위별 뼈 육수 추출시간에 따른 무기 성분의 변화
홍영신,정지영,손지현,송옥연,황인민,Md. Atikul Islam,김희은,김경수 한국식품조리과학회 2019 한국식품조리과학회지 Vol.35 No.5
Purpose: This study was designed to determined the changes of inorganic components in Hanwoo cow bone (shank, sacrum, feet and miscellaneous) according to the different extraction times of bone broth. Method: The extraction time of bone broth was up to 14 hours, and the broth was sampled every 2 hours. The macro (Na, S, K, Ca, P and Mg) and micro (Mo, Cr, Mn, Cu, Rb, V, Li, Ba, Sr, Ga and Co) inorganic components were analyzed by ICP-OES and ICP-MS respectively. Results: The highest amount of Na was found in all parts of Hanwoo cow bone. The amount of S and Na were most abundant in feet, whereas the K, P, Ca and Mg were the highest in the miscellaneous bones. The quantity of Ca is increased until 14 hours of heating, but the quantity of Na, K, P, S and Mg were increased until heating for 12 hours. The micro mineral (Mo) was the highest in sacrum broth and it was increased by heating up to 14 hours. Conclusion: The quantity of macro and micro inorganic components varied according to the bones of Hanwoo cows and it is depending on bone of Hanwoo cow. Extracted inorganic matter with heating time was found to be different according to kinds of inorganic components. Based on the above results, it was determined that the optimum heating time for Hanwoo cow bone broth was 12 hours.
손지현,Md Atikul Islam,홍준호,정지영,송옥연,김희은,Naeem Khan,Nargis Jamila,김경수 한국식품과학회 2021 Food Science and Biotechnology Vol.30 No.3
This study was designed to analyze the volatileorganic compounds in the leaves of Ambrosia artemisiifoliaL. and Artemisia annua L. from Korea. For extractionof volatile compounds, headspace-solid phase microextraction (HS-SPME) and simultaneous distillationextraction (SDE) were applied and analyzed by gas chromatography/mass spectrometry (GC/MS). From the results,SDE extraction was found to give the highest concentrationof volatile compounds with an average concentration of1,237.79 mg/kg for A. annua L. leaves compared to1,122.73 mg/kg by HS-SPME technique. A total of 116volatile organic compounds were identified, including 76similar volatile organic compounds detected by both themethods of extraction in leaves of subject species atvarying concentrations. Among these 33 volatile organiccompounds were reported for the first time from the subjectplant species. Thus the present research findings extend thecharacterization of volatile organic compounds from leavesof A. annua L. and A. artemisiifolia L. species and reportedsome distinguishing compounds which may be used fortheir discrimination.