Chapter L

Lactobutyrometer, 495, 496
Lactocrite, use in milk fat analysis, 498
Lactoglobulin, 504
Lactometer, direct reading, 476
New York Board of Health, 476
Lactometry, 475, 476
Lactoprotein, 504
Lactosazone, precipitation, 295
Lactoscopes, 473, 474
Lactose, estimation, 293
in Koumiss, 534
milk, 275
gyrodynat, 119
molecular weight, 177
official method of estimation, 294
Laurent lamp, 83, 84
polariscope, 83
construction, 86-88
manipulation, 88
Lead acetate, preserving agent, 235
oxid, separation of sugars, 284, 285
reagent for determining oxygen absorption of oils, 405
salts, reagents for separating fat acids, 397
solutions, errors, 102
subacetate, action on levulose, 103
Lecithin, extraction from seeds, 430, 431
factors for calculating, 431
occurrence and properties, 430
in milk, 464
Leffmann and Beam, method of milk fat analysis, 501
Legumin, 411
Leucin, 412
occurrence in milk, 464
Levulosazone, 193
Levulose, estimation, 168
in presence of sucrose and dextrose, 280-285
general formula for calculation, 274
gyrodynat, 119
optical determination, 267
preparation, 167
principles of calculation, 270-273
table for calculating from copper, 260
estimation, 169-171
Liebermann, method of milk fat analysis, 471, 492
Liebig ente, 28
Light, kind used for polarization, 82
Lindet, method of inversion, 109, 110
Lindsey and Holland, digestibility of pentosans, 564
Lindström, modification of lactocrite, 499
Lineolin, 310
Lint, use, in drying, 486
Livache, method of determining oxygen absorption, 405
Long and Baker, diastase preparation, 300
table of refractive indices, 334

Mc
McElroy and Bigelow, estimation of sugar in
evaporated milks, 296-298
estimation of nicotin, 605
McIlhiney, bromin addition number, 372