(57)< Abstract > As for this invention X syndrome, obesity and the hypertension, the fatty liver, diabetes, the high blood glucose symptom, the high insulin symptom and remedy of strangulation and/or directing to prevention, general formula (i) you can use: R1 - [X i-CH2] n-COOR2 (in formula, as for R1 The double bond of one or more and/or C6 -C24 alkenes which possess the triple bond of one or more, and/or C6 -C24 alkynes, and/or one or several positions fluorine and chlorine, hydroxy, C1 -C4 alkoxy and C1 -C4 alkyls thio, C2 -C5 acyloxy or to be C6 -C24 alkyls which are substituted with the chemical compound of one or more which is selected from the group which consists of C1 -C4 alkyls, at the same time R2 hydrogen or to display C1 -C4 alkyls, at the same time n to be integer 1 - 12, at the same time i to be odd number, the position regarding COOR2It shows, at the same time X i mutually in independence O, S, SO and SO2, is selected from the group which consists of Se and CH2, however, one X i is not CH2 at least, when furthermore however, R1 is alkyne, carbon - carbon triple bond (-1) carbon (-2) between carbon, or (-2) carbon (-3) between carbon, or (-3) carbon (-4) is) the new fatty acid analog, that salt, regards the professional drug or the mixture between carbon. Furthermore, this invention including the above-mentioned fatty acid analog, the nutrition composition, and the whole of the animal which become heavily or regards the method of making the adipose tissue quantity decrease.本発明はX症候群、肥満、高血圧症、脂肪肝、糖尿病、高血糖症、高インスリン症および狭窄の治療および/または予防に向けて使用できる一般式(I):R1-[Xi-CH2]n-COOR2(式中、R1は1つ以上の二重結合および/もしくは1つ以上の三重結合を有するC6-C24アルケン、ならびに/またはC6-C24アルキン、ならびに/または1つまたはいくつかの位置がフッ素、塩素、ヒドロキシ、C1-C4アルコキシ、C1-C4アルキルチオ、C2-C5アシルオキシもしくはC1-C4アルキルからなる群から選択される1つ以上の化合物で置換されたC6-C24アルキルであり、かつR2は水素またはC1-C4アルキルを表し、かつnは1~12の整数であり、かつiは奇数であり、COOR2に関する位置を示し、かつXiは互いに独立にO、S、SO、SO2、SeおよびCH2からなる群から選択される、ただし、少なくとも1つのXiがCH2ではなく、さらにただし、R1がアルキンである場合、炭素-炭素三重結合が(ω-1)炭素と(ω-2)炭素間、もしくは(ω-2)炭素と(ω-3)炭素間、もしくは(ω-3)炭素と(
