Preparation and Characterization of High Purity Anhydrous <i>β</i>-Lactose from <i>α</i>-Lactose Monohydrate at Mild Temperature

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275 351 236C374 182 394 140 420 93C459 23 495 -1 592 -8H600L610 18ZM480 485C480 424 449 372 403 342C374 323 338 316 293 316H245L291 562C296 589 301 601 311 608S337 618 358 618C432 618 480 575 480 485Z" id="g113-83"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.086,3.132)"><path d="M384 109C349 76 310 59 268 59C197 59 123 113 120 245C240 248 367 259 384 262C403 266 407 275 407 296C407 376 338 451 254 451H253C201 451 148 425 105 378C65 334 39 272 39 203C39 88 112 -12 235 -12C266 -12 339 5 402 84L384 109ZM230 411C285 411 319 365 319 313C319 298 313 293 294 293C236 291 180 290 125 290C141 370 185 411 230 411Z" id="g58-99"></path></g><g transform="matrix(.0091,0,0,-0.0091,12.035,3.132)"><path d="M482 0V30C420 38 407 48 370 103L273 248C308 299 331 332 352 357C387 397 401 404 463 409V439H277V409C318 405 324 400 307 369C290 337 270 307 251 279L194 367C175 396 180 402 220 409V439H18V409C74 401 87 395 117 349L204 213C173 168 147 130 119 95C78 46 67 38 5 30V0H195V30C144 38 143 47 162 79C181 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class="align_center">6.07</td></tr><tr><td class="align_left">31</td><td class="align_center">100%  <i>β</i>L</td><td class="align_center">2.03</td><td class="align_center">9.1</td><td class="align_center">6.93</td></tr><tr><td class="align_left">32</td><td class="align_center">92%  <i>α</i>L·H<sub>2</sub>O <br/>8%  <i>β</i>L</td><td class="align_center">2.06</td><td class="align_center">9.8</td><td class="align_center">7.6</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Relative percentage of each phase determined by the Rietveld method.</div>

International Journal of Polymer Science

tab2

Table 2

Table 2: Preparation and Characterization of High Purity Anhydrous <i>β</i>-Lactose from <i>α</i>-Lactose Monohydrate at Mild Temperature 

International Journal of Polymer Science

Preparation and Characterization of High Purity Anhydrous β-Lactose from α-Lactose Monohydrate at Mild Temperature

Table 2