Bromocresol alawọ ewe, free acid Cas: 76-60-8 Yellowish tan lulú
Nọmba katalogi | XD90523 |
Orukọ ọja | Bromocresol alawọ ewe, acid ọfẹ |
CAS | 76-60-8 |
Ilana molikula | C21H14Br4O5S |
Òṣuwọn Molikula | 698.01 |
Awọn alaye ipamọ | Ibaramu |
Ti irẹpọ Owo idiyele koodu | 29349990 |
Ọja Specification
Ifarahan | Yellowish Tan lulú |
Ayẹwo | 99% |
Isonu lori Gbigbe | <3.0% |
Iwọn iyipada (pH 3.8 - 5.4) | Yellowish Green - Blue |
O pọju Gbigbọn Wavelength A1 (pH3.8) | 438 - 443nm |
O pọju Gbigbọn Wavelength A2 (pH5.4) | 615 - 618nm |
Solubility (0.1% EtOH) | Ko Golden Yellow Solusan |
Alperujo jẹ lẹẹ ti ipilẹṣẹ lati inu eto isediwon alakoso meji ti epo olifi.Pomace tutu yii gbọdọ wa ni ipamọ fun awọn oṣu pupọ ati, lakoko asiko yii, dida 4-ethyphenol mu õrùn ti o lagbara.Ero ti iṣẹ yii ni lati ṣe idanimọ awọn microorganisms ti o le ṣe agbejade phenol iyipada yii.Yeast ati awọn igara kokoro-arun ti ya sọtọ lati alperujo ti a ti fipamọ ati idanwo fun agbara wọn lati ṣe iṣelọpọ p-coumaric acid ati dagba 4-ethylphenol.Lara wọn, Lactobacillus pentosus ni microorganism ti awọn mejeeji ni alabọde sintetiki ati alperujo ti fa idasile 4-ethylphenol.microorganism yii ko dagba ni alperujo acidified si pH 2, nitorinaa o jẹrisi pe acidification gẹgẹbi ọna ti o dara julọ lati ṣakoso awọn itujade oorun lakoko ipamọ alperujo. -ethylphenol nigba ipamọ ti alperujo.Yi wònyí le ti wa ni idaabobo nipasẹ acidifying awọn alperujo.