메뉴 건너뛰기




Volumn 7, Issue 8, 2012, Pages

Vitamin D4 in mushrooms

Author keywords

[No Author keywords available]

Indexed keywords

22,23 DIHYDROERGOCALCIFEROL; 22,23 DIHYDROERGOSTEROL; COLECALCIFEROL; ERGOSTEROL; UNCLASSIFIED DRUG; VITAMIN D;

EID: 84864534850     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0040702     Document Type: Article
Times cited : (55)

References (53)
  • 1
    • 84864539604 scopus 로고
    • The chemistry of vitamin D
    • Bills CE, ((1938)) The chemistry of vitamin D. J Am Med Assoc. 110:: 2150--2155.
    • (1938) J Am Med Assoc , vol.110 , pp. 2150-2155
    • Bills, C.E.1
  • 3
    • 84877293846 scopus 로고    scopus 로고
    • In: Feldman D, Pike JW, Adams JS, editors. Vitamin D, 3rd edition. San Diego: Academic Press
    • Hirsch AL (2011) Industrial aspects of vitamin D. In: Feldman D, Pike JW, Adams JS, editors. Vitamin D, 3rd edition. San Diego: Academic Press. 73-93.
    • (2011) Industrial aspects of vitamin D , pp. 73-93
    • Hirsch, A.L.1
  • 6
    • 84875574655 scopus 로고    scopus 로고
    • Ross AC, Taylor CL, Yaktine AL, Del Valle HB (2010) editors (2010) Dietary reference intakes for vitamin D and calcium. Washington DC: Institute of Medicine of the National Academies. Available: http://www.iom.edu/Reports/2010/Dietary-Reference-Intakes-for-Calcium-and-Vitamin-D/DRI-Values.aspx. Accessed 2011 Jul 25.
  • 7
    • 77951961788 scopus 로고    scopus 로고
    • Randomized trial of vitamin D supplementation to prevent seasonal influenza A in schoolchildren
    • Urashima M, Segawa T, Okazaki M, Kurihara M, Wada Y, et al. ((2010)) Randomized trial of vitamin D supplementation to prevent seasonal influenza A in schoolchildren. Am J Clin Nutr 91:: 1255--1260.
    • (2010) Am J Clin Nutr , vol.91 , pp. 1255-1260
    • Urashima, M.1    Segawa, T.2    Okazaki, M.3    Kurihara, M.4    Wada, Y.5
  • 8
    • 0035342671 scopus 로고    scopus 로고
    • The role of vitamin D in prostate cancer
    • Zhao X-Y, Feldman D, ((2001)) The role of vitamin D in prostate cancer. Steroids 66:: 293--300.
    • (2001) Steroids , vol.66 , pp. 293-300
    • Zhao, X.-Y.1    Feldman, D.2
  • 9
    • 26444508866 scopus 로고    scopus 로고
    • Ultraviolet irradiation: the generator of vitamin D2 in edible mushrooms
    • Jasinghe VJ, Perera CO, ((2006)) Ultraviolet irradiation: the generator of vitamin D2 in edible mushrooms. Food Chem 95:: 638--643.
    • (2006) Food Chem , vol.95 , pp. 638-643
    • Jasinghe, V.J.1    Perera, C.O.2
  • 10
    • 65349162815 scopus 로고    scopus 로고
    • Vitamin D2 formation and bioavailability from Agaricus bisporus button mushrooms treated with ultraviolet irradiation
    • Koyyalamudi SR, Jeong S-C, Song C-H, Cho KY, Pang G, ((2009)) Vitamin D2 formation and bioavailability from Agaricus bisporus button mushrooms treated with ultraviolet irradiation. J Agric Food Chem 57:: 3351--3355.
    • (2009) J Agric Food Chem , vol.57 , pp. 3351-3355
    • Koyyalamudi, S.R.1    Jeong, S.-C.2    Song, C.-H.3    Cho, K.Y.4    Pang, G.5
  • 11
    • 80052405297 scopus 로고    scopus 로고
    • Concentration of vitamin D2 in white button mushrooms (Agaricus bisporus) exposed to pulsed UV light
    • Koyyalamudi SR, Jeong SC, Pang G, Teal A, Biggs T, ((2011)) Concentration of vitamin D2 in white button mushrooms (Agaricus bisporus) exposed to pulsed UV light. J Food Comp Anal 24:: 976--979.
    • (2011) J Food Comp Anal , vol.24 , pp. 976-979
    • Koyyalamudi, S.R.1    Jeong, S.C.2    Pang, G.3    Teal, A.4    Biggs, T.5
  • 12
    • 47349100513 scopus 로고    scopus 로고
    • Vitamin D2 formation from post-harvest UV-B treatment of mushrooms (Agaricus bisporus) and retention during storage
    • Roberts JS, Teichert A, McHugh TH, ((2008)) Vitamin D2 formation from post-harvest UV-B treatment of mushrooms (Agaricus bisporus) and retention during storage. J Agric Food Chem 56:: 4541--4544.
    • (2008) J Agric Food Chem , vol.56 , pp. 4541-4544
    • Roberts, J.S.1    Teichert, A.2    McHugh, T.H.3
  • 13
    • 33847017709 scopus 로고    scopus 로고
    • Sterol and vitamin D2 concentrations in cultivated and wild grown mushrooms: effect of uv radiation
    • Teichmann A, Dutta PC, Staffas A, Jagerstäd M, ((2007)) Sterol and vitamin D2 concentrations in cultivated and wild grown mushrooms: effect of uv radiation. LWT - Food Sci Technol 40:: 815--822.
    • (2007) LWT - Food Sci Technol , vol.40 , pp. 815-822
    • Teichmann, A.1    Dutta, P.C.2    Staffas, A.3    Jagerstäd, M.4
  • 14
    • 79960617360 scopus 로고    scopus 로고
    • Vitamin D and sterol composition of ten types of mushrooms from retail suppliers in the United States
    • Phillips KM, Ruggio DM, Horst RL, Minor B, Simon R, et al. ((2011)) Vitamin D and sterol composition of ten types of mushrooms from retail suppliers in the United States. J Agric Food Chem 59:: 7841--7853.
    • (2011) J Agric Food Chem , vol.59 , pp. 7841-7853
    • Phillips, K.M.1    Ruggio, D.M.2    Horst, R.L.3    Minor, B.4    Simon, R.5
  • 15
    • 77956283840 scopus 로고    scopus 로고
    • Phylogenetic distribution of fungal sterols
    • Weete JD, Abril M, Blackwell M, ((2010)) Phylogenetic distribution of fungal sterols. PLoS One. Available: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0010899. Accessed 2011 Aug 1.
    • (2010) PLoS One
    • Weete, J.D.1    Abril, M.2    Blackwell, M.3
  • 17
    • 17944378889 scopus 로고    scopus 로고
    • Contents of vitamins, mineral elements and some phenolic compounds in cultivated mushrooms
    • Mattila P, Könkö K, Eurola M, Pihlava J-M, Astola J, et al. ((2001)) Contents of vitamins, mineral elements and some phenolic compounds in cultivated mushrooms. J Agric Food Chem 49:: 2343--2348.
    • (2001) J Agric Food Chem , vol.49 , pp. 2343-2348
    • Mattila, P.1    Könkö, K.2    Eurola, M.3    Pihlava, J.-M.4    Astola, J.5
  • 18
    • 0036146737 scopus 로고    scopus 로고
    • Sterol and vitamin D2 contents in some wild and cultivated mushrooms
    • Mattila P, Lampi A-M, Ronkainen R, Toivo J, Piironen V, ((2007)) Sterol and vitamin D2 contents in some wild and cultivated mushrooms. Food Chem 76:: 293--298.
    • (2007) Food Chem , vol.76 , pp. 293-298
    • Mattila, P.1    Lampi, A.-M.2    Ronkainen, R.3    Toivo, J.4    Piironen, V.5
  • 19
    • 0036184146 scopus 로고    scopus 로고
    • The ergocalciferol content of dried pigmented and albino Cantharellus cibarius fruit bodies
    • Rangel-Castro JI, Staffas A, Danell E, ((2001)) The ergocalciferol content of dried pigmented and albino Cantharellus cibarius fruit bodies. Mycol Res 106:: 70--73.
    • (2001) Mycol Res , vol.106 , pp. 70-73
    • Rangel-Castro, J.I.1    Staffas, A.2    Danell, E.3
  • 20
    • 0032414214 scopus 로고    scopus 로고
    • Vitamin D3 and its metabolites in tomato, potato, eggplant and zucchini leaves
    • Aburjai T, Al-Khalil S, Abuirjeie M, ((1998)) Vitamin D3 and its metabolites in tomato, potato, eggplant and zucchini leaves. Phytochem 49:: 2497--2499.
    • (1998) Phytochem , vol.49 , pp. 2497-2499
    • Aburjai, T.1    Al-Khalil, S.2    Abuirjeie, M.3
  • 22
    • 0037062950 scopus 로고    scopus 로고
    • Use of vitamin D4 analogues to investigate differences in hepatic and target cell metabolism of vitamins D2 and D3
    • Byford V, Strugnell S, Coldwell R, Schroeder N, Makin HLJ, et al. ((2002)) Use of vitamin D4 analogues to investigate differences in hepatic and target cell metabolism of vitamins D2 and D3. Biochim Biophys Acta 1583:: 151--166.
    • (2002) Biochim Biophys Acta , vol.1583 , pp. 151-166
    • Byford, V.1    Strugnell, S.2    Coldwell, R.3    Schroeder, N.4    Makin, H.L.J.5
  • 23
    • 0021320609 scopus 로고
    • The isolation and identification of vitamin D2 and vitamin D3 from Medicago sativa (alfalfa plant)
    • Horst RL, Reinhardt TA, Russell R, Napoli JL, ((1984)) The isolation and identification of vitamin D2 and vitamin D3 from Medicago sativa (alfalfa plant). Arch Biochem Biophys 231:: 67--71.
    • (1984) Arch Biochem Biophys , vol.231 , pp. 67-71
    • Horst, R.L.1    Reinhardt, T.A.2    Russell, R.3    Napoli, J.L.4
  • 24
    • 51249189316 scopus 로고
    • Characterization of sterols by gas chromatography-mass spectrometry of the trimethylsilyl ethers
    • Brooks CJW, Horning EC, Young JS, ((1968)) Characterization of sterols by gas chromatography-mass spectrometry of the trimethylsilyl ethers. Lipids 3:: 391--402.
    • (1968) Lipids , vol.3 , pp. 391-402
    • Brooks, C.J.W.1    Horning, E.C.2    Young, J.S.3
  • 25
    • 16944364038 scopus 로고
    • Fragmentation studies of ergosterol. The formation of the fragment ion at m/z 337
    • Kenny PTM, Wetzel JM, ((1995)) Fragmentation studies of ergosterol. The formation of the fragment ion at m/z 337. Eur Mass Spectrom 1:: 411--413.
    • (1995) Eur Mass Spectrom , vol.1 , pp. 411-413
    • Kenny, P.T.M.1    Wetzel, J.M.2
  • 26
    • 84864539608 scopus 로고    scopus 로고
    • Fickle fungi flourish in energy-sparing indoor farm
    • San Diego Gas Electric
    • San Diego Gas & Electric, ((2009)) Fickle fungi flourish in energy-sparing indoor farm. Progress Through Design Summer. pp. 2--3.
    • (2009) Progress Through Design Summer , pp. 2-3
  • 27
    • 0019089066 scopus 로고
    • Quality assurance in the analysis of foods for trace constituents
    • Horwitz W, Kamps LR, Boyer DW, ((1980)) Quality assurance in the analysis of foods for trace constituents. J Assoc Off Anal Chem Int 63:: 1344--1354.
    • (1980) J Assoc Off Anal Chem Int , vol.63 , pp. 1344-1354
    • Horwitz, W.1    Kamps, L.R.2    Boyer, D.W.3
  • 28
    • 0035449246 scopus 로고    scopus 로고
    • Provitamins and vitamins D2 and D3 in Cladina spp. over a latitudinal gradient: possible correlation with UV levels
    • Wang T, Bengtsson G, Kärnefelt I, Björn LO, ((2001)) Provitamins and vitamins D2 and D3 in Cladina spp. over a latitudinal gradient: possible correlation with UV levels. J Photochem Photobiol B: Biol 62:: 118--122.
    • (2001) J Photochem Photobiol B: Biol , vol.62 , pp. 118-122
    • Wang, T.1    Bengtsson, G.2    Kärnefelt, I.3    Björn, L.O.4
  • 29
    • 80051761860 scopus 로고    scopus 로고
    • Vitamin D mushrooms: comparison of the composition of button mushrooms (Agaricus bisporus) treated post harvest with UVB light or sunlight
    • Simon RR, Phillips KM, Horst RL, Munro IC, ((2011)) Vitamin D mushrooms: comparison of the composition of button mushrooms (Agaricus bisporus) treated post harvest with UVB light or sunlight. J Agric Food Chem 59:: 8724--1832.
    • (2011) J Agric Food Chem , vol.59 , pp. 1832-8724
    • Simon, R.R.1    Phillips, K.M.2    Horst, R.L.3    Munro, I.C.4
  • 30
    • 84942705127 scopus 로고
    • Nomenclature of steroids
    • Moss GP, ((1989)) Nomenclature of steroids. Pure and Applied Chem 61:: 1783--1822.
    • (1989) Pure and Applied Chem , vol.61 , pp. 1783-1822
    • Moss, G.P.1
  • 31
    • 79952276841 scopus 로고    scopus 로고
    • Ergosterol profiles, fatty acid composition, and antioxidant activities of button mushrooms as affected by tissue part and developmental stage
    • Shao S, Hernandez M, Kramer JKG, Rinker DL, Tsao R, ((2010)) Ergosterol profiles, fatty acid composition, and antioxidant activities of button mushrooms as affected by tissue part and developmental stage. J Agric Food Chem 58:: 11616--11625.
    • (2010) J Agric Food Chem , vol.58 , pp. 11616-11625
    • Shao, S.1    Hernandez, M.2    Kramer, J.K.G.3    Rinker, D.L.4    Tsao, R.5
  • 32
    • 84884080872 scopus 로고    scopus 로고
    • Vitamin D: biology, action, and clinical implications
    • In: Marcus R, Feldman D, Rosen CJ, Nelson D, editors, 3rd edition, Burlington, MA: Elsevier Academic Press
    • Feldman D, Malloy PJ, Krishnan AV, Balin E (2008) Vitamin D: biology, action, and clinical implications. In: Marcus R, Feldman D, Rosen CJ, Nelson D, editors. Osteoporosis, 3rd edition, Burlington, MA: Elsevier Academic Press. 317-382.
    • (2008) Osteoporosis , pp. 317-382
    • Feldman, D.1    Malloy, P.J.2    Krishnan, A.V.3    Balin, E.4
  • 33
    • 84884872452 scopus 로고    scopus 로고
    • In: Pike JW, Glorieux FH, Feldman D, editors. Vitamin D, 2nd edition. San Diego: Academic Press
    • Horst RL, Reinhardt TA, Reddy SG (2005) Vitamin D metabolism. In: Pike JW, Glorieux FH, Feldman D, editors. Vitamin D, 2nd edition. San Diego: Academic Press. 15-36.
    • (2005) Vitamin D metabolism , pp. 15-36
    • Horst, R.L.1    Reinhardt, T.A.2    Reddy, S.G.3
  • 34
    • 16244418604 scopus 로고    scopus 로고
    • Overview of general physiologic features and functions of vitamin D
    • De Luca HF, ((2004)) Overview of general physiologic features and functions of vitamin D. Am J Clin Nutr. 80:: 1689S--96S.
    • (2004) Am J Clin Nutr , vol.80
    • de Luca, H.F.1
  • 35
    • 0032950603 scopus 로고    scopus 로고
    • Bioavailability of vitamin D from wild edible mushrooms (Cantharellus tubaeformis) as measured with a human bioassay
    • Outila TA, Mattila PH, Piironen VI, Lamberg-Allardt CJE, ((1999)) Bioavailability of vitamin D from wild edible mushrooms (Cantharellus tubaeformis) as measured with a human bioassay. Am J Clin Nutr 69:: 95--98.
    • (1999) Am J Clin Nutr , vol.69 , pp. 95-98
    • Outila, T.A.1    Mattila, P.H.2    Piironen, V.I.3    Lamberg-Allardt, C.J.E.4
  • 36
    • 84864531758 scopus 로고    scopus 로고
    • Bioavailability of vitamin D2 from UVB-irradiated button mushrooms in healthy adults deficient in serum 25-hydroxyvitamin D (24OHD): a randomized-controlled trial
    • Urbain P, Biesalski HK, Bertz H, ((2010)) Bioavailability of vitamin D2 from UVB-irradiated button mushrooms in healthy adults deficient in serum 25-hydroxyvitamin D (24OHD): a randomized-controlled trial. Abstracts of the 32nd ESPEN Congress, Clin Nutr. Suppl. 5: 15.
    • (2010) Abstracts of the 32nd ESPEN Congress, Clin Nutr , vol.5 , Issue.SUPPL. , pp. 15
    • Urbain, P.1    Biesalski, H.K.2    Bertz, H.3
  • 37
    • 0014423828 scopus 로고
    • Synthesis, biological activity, and metabolism of 22,23-3H-vitamin D4
    • De Luca HF, Weller M, Blunt JW, Neville PF, ((1968)) Synthesis, biological activity, and metabolism of 22,23-3H-vitamin D4. Arch Biochem Biophys 124:: 122--128.
    • (1968) Arch Biochem Biophys , vol.124 , pp. 122-128
    • de Luca, H.F.1    Weller, M.2    Blunt, J.W.3    Neville, P.F.4
  • 38
    • 0018653529 scopus 로고
    • Synthesis of vitamin D5: its biological activity relative to vitamins D3 and D2
    • Napoli JL, Fivizzani MA, Schnoes HK, Deluca HF, ((1979)) Synthesis of vitamin D5: its biological activity relative to vitamins D3 and D2. Arch Biochem Biophys 197:: 119--125.
    • (1979) Arch Biochem Biophys , vol.197 , pp. 119-125
    • Napoli, J.L.1    Fivizzani, M.A.2    Schnoes, H.K.3    Deluca, H.F.4
  • 39
    • 0031034110 scopus 로고    scopus 로고
    • Prevention of preneoplastic mammary lesion development by a novel vitamin D analogue, 1alpha-hydroxyvitamin D5
    • Mehta RG, Moriarty RM, Mehta RR, Penmasta R, Lazzaro G, ((1997)) Prevention of preneoplastic mammary lesion development by a novel vitamin D analogue, 1alpha-hydroxyvitamin D5. J Natl Cancer Inst 89:: 212--218.
    • (1997) J Natl Cancer Inst , vol.89 , pp. 212-218
    • Mehta, R.G.1    Moriarty, R.M.2    Mehta, R.R.3    Penmasta, R.4    Lazzaro, G.5
  • 40
    • 5344268829 scopus 로고    scopus 로고
    • Stage-specific inhibition of mammary carcinogenesis by 1alpha-hydroxyvitamin D5
    • Mehta RG, ((2004)) Stage-specific inhibition of mammary carcinogenesis by 1alpha-hydroxyvitamin D5. Eur J Cancer 40:: 2331--2337.
    • (2004) Eur J Cancer , vol.40 , pp. 2331-2337
    • Mehta, R.G.1
  • 41
    • 26844564534 scopus 로고    scopus 로고
    • Chemoprevention of chemically-induced mammary and colon carcinogenesis by 1alpha-hydroxyvitamin D5
    • Murillo G, Mehta RG, ((2005)) Chemoprevention of chemically-induced mammary and colon carcinogenesis by 1alpha-hydroxyvitamin D5. J Steroid Biochem Mol Biol 97:: 129--136.
    • (2005) J Steroid Biochem Mol Biol , vol.97 , pp. 129-136
    • Murillo, G.1    Mehta, R.G.2
  • 42
    • 0035192867 scopus 로고    scopus 로고
    • Study on the metabolites of 1α,25-dihydroxyvitamin D4
    • Tachibana Y, Tsuji M, ((2001)) Study on the metabolites of 1α,25-dihydroxyvitamin D4. Steroids 66:: 93--97.
    • (2001) Steroids , vol.66 , pp. 93-97
    • Tachibana, Y.1    Tsuji, M.2
  • 44
    • 12244254717 scopus 로고
    • Sterols of Chlorella-III. Species containing ergosterol
    • Patterson GW, ((1969)) Sterols of Chlorella-III. Species containing ergosterol. Comp Biochem Physiol 31:: 391--394.
    • (1969) Comp Biochem Physiol , vol.31 , pp. 391-394
    • Patterson, G.W.1
  • 45
    • 0344485066 scopus 로고
    • A comparison of the types of sterol found in species of the Saprolegniales and Leptomitales with those found in some other Phycomycetes
    • McCorkindale NJ, Hutchinson SA, Pursey BA, Scott WT, Wheeler R, ((1969)) A comparison of the types of sterol found in species of the Saprolegniales and Leptomitales with those found in some other Phycomycetes. Phytochem 8:: 861--867.
    • (1969) Phytochem , vol.8 , pp. 861-867
    • McCorkindale, N.J.1    Hutchinson, S.A.2    Pursey, B.A.3    Scott, W.T.4    Wheeler, R.5
  • 46
    • 0010378028 scopus 로고
    • Ergosterol biosynthesis in Mucor pusillus
    • Mercer EI, Carrier DJR, ((1976)) Ergosterol biosynthesis in Mucor pusillus. Phytochem 15:: 283--286.
    • (1976) Phytochem , vol.15 , pp. 283-286
    • Mercer, E.I.1    Carrier, D.J.R.2
  • 47
    • 0038189881 scopus 로고    scopus 로고
    • Yeast-like symbiotes as a sterol source in anobiid beetles (Coleoptera, Anobiidae): possible metabolic pathways from fungal sterols to 7-dehydrocholesterol
    • Nasir H, Noda H, ((2003)) Yeast-like symbiotes as a sterol source in anobiid beetles (Coleoptera, Anobiidae): possible metabolic pathways from fungal sterols to 7-dehydrocholesterol. Arch Insect Biochem Physiol 52:: 175--182.
    • (2003) Arch Insect Biochem Physiol , vol.52 , pp. 175-182
    • Nasir, H.1    Noda, H.2
  • 48
    • 0014678296 scopus 로고
    • The sterols of Trypanosoma cruzi and Crithidia fasciculata
    • Korn ED, Von Brand T, Tobie EJ, ((1969)) The sterols of Trypanosoma cruzi and Crithidia fasciculata. Comp Biochem Physiol 30:: 601--610.
    • (1969) Comp Biochem Physiol , vol.30 , pp. 601-610
    • Korn, E.D.1    von Brand, T.2    Tobie, E.J.3
  • 49
    • 24944452264 scopus 로고
    • 7-dehydrositosterol from Rauwolfia serpentina
    • Karmakar T, Chakraborty DP, ((1983)) 7-dehydrositosterol from Rauwolfia serpentina. Phytochem 22:: 608--609.
    • (1983) Phytochem , vol.22 , pp. 608-609
    • Karmakar, T.1    Chakraborty, D.P.2
  • 50
    • 0007622653 scopus 로고
    • Sterols and chloroplast structure of Cyanidium caldarium
    • Seckbach J, Ikan R, ((1972)) Sterols and chloroplast structure of Cyanidium caldarium. Plant Physiol 49:: 457--459.
    • (1972) Plant Physiol , vol.49 , pp. 457-459
    • Seckbach, J.1    Ikan, R.2
  • 52
    • 0005266562 scopus 로고
    • 24α-methyl-5α-cholest-7-en-3β-ol from seed oil of Helianthus annuus
    • Matsumoto T, Nakagawa M, Itoh T, ((1984)) 24α-methyl-5α-cholest-7-en-3β-ol from seed oil of Helianthus annuus. Phytochem 21:: 921--923.
    • (1984) Phytochem , vol.21 , pp. 921-923
    • Matsumoto, T.1    Nakagawa, M.2    Itoh, T.3
  • 53
    • 33646236290 scopus 로고    scopus 로고
    • U.S. Department of Agriculture, Agricultural Research Service, Release 24. Beltsville, MD: United States Department of Agriculture Agricultural Research Service. Available: Accessed 2011 Jul 1
    • U.S. Department of Agriculture, Agricultural Research Service (2011) USDA National Nutrient Database for Standard Reference, Release 24. Beltsville, MD: United States Department of Agriculture Agricultural Research Service. Available: http://www.ars.usda.gov/ba/bhnrc/ndl. Accessed 2011 Jul 1.
    • (2011) USDA National Nutrient Database for Standard Reference


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.