Food Protection Trends - July/August 2024 - 275

FIGURE 1. Face (top) and reverse (bottom) of standard lug and vacuum release aluminum (VRA) lug lids evaluated.
to the brim, the weight of the jar was 691.0 g. Therefore, the
weight of water was calculated to be 649.5 g for 6% headspace
and 621.0 g for 10% headspace. When filled with pasta
sauce up to the brim, the amount of pasta sauce was 735.0
g. Therefore, the amount of pasta sauce was calculated to be
690.9 g for 6% headspace and 661.5 g for 10% headspace.
The tests for deionized water jars were performed in
triplicate by preheating jars with hot water to 49°C. Hot water
at 82, 88, and 93°C was placed into preheated jars leaving 6 and
10% headspaces. For VRA lids, the jars were closed manually
to a pull-up value of 4/16 in (6.35 mm), and the closing torque
was measured with a torque meter (model 6A-061WU09;
Nidec Shimpo Corp., Glendale Heights, IL). The pull-up
should measure at 4/16 to 8/16 in (12.7 mm) from the mold
line on the jar for proper application. For standard lug lids
samples, the jars were applied to 23 lb-in (2.59 N m) of torque
manually, as determined with a torque meter, according to the
supplier's specification. These jars were then held for 24 h in a
temperature-controlled room kept at 19 to 20°C.
The test for tomato sauce jars was performed with five
replicates for the three hot-pack temperatures of 82, 88,
and 93°C. The tomato sauce samples were heated with the
VRA and standard lids in the Rational Self-Cooking Center
(model SCC WE 201G; Rational Ag, Landsberg am Lech,
Germany) to a higher temperature and allowed to cool until
they reached the targeted temperature. The tomato sauce jars
were closed manually with VRA and standard lug lids with
the same method as used for the deionized water jars. These
jars were then held for 24 h in a temperature-controlled room
kept at 19 to 20°C.
Vacuum measurement
The vacuum of the deionized water jars was measured with
a manual vacuum gauge (0 to 30 in Hg; Waco, Wilkens-Anderson,
Chicago, IL) by piercing the metal lid of the sealed
glass jars (Fig. 3).
Pull-up measurement
The pull-up values of deionized water jars were measured
by visual inspection, noting the position of the leading
edge of the closure lug in relation to one of the two vertical
neck ring seam lines on the glass finish. The distance from
the vertical line to the leading edge of the nearest cap lug is
measured (Fig. 4). Lugs to the right side of the vertical neck
ring seam are referred to as positive, and lugs to the left side
are referred to as negative (2).
July/August Food Protection Trends 275

Food Protection Trends - July/August 2024

Table of Contents for the Digital Edition of Food Protection Trends - July/August 2024

Assessing Employee Health Policies and Practices in Foodservice Establishments
New Aluminum Lug Closure Reduces Removal Torque while Ensuring Hermetic Seals in Glass Jars
Ensuring Food Safety among Food and Agricultural Nonprofit Organizations: A review of Literature about Challenges and Opportunities
Beyond the Bio
PDG Highlight
General Interest Paper
General Interest Paper
Industry Products
Book Review
Coming Events
Food Protection Trends - July/August 2024 - Cover1
Food Protection Trends - July/August 2024 - Cover2
Food Protection Trends - July/August 2024 - 253
Food Protection Trends - July/August 2024 - 254
Food Protection Trends - July/August 2024 - 255
Food Protection Trends - July/August 2024 - 256
Food Protection Trends - July/August 2024 - 257
Food Protection Trends - July/August 2024 - 258
Food Protection Trends - July/August 2024 - 259
Food Protection Trends - July/August 2024 - Assessing Employee Health Policies and Practices in Foodservice Establishments
Food Protection Trends - July/August 2024 - 261
Food Protection Trends - July/August 2024 - 262
Food Protection Trends - July/August 2024 - 263
Food Protection Trends - July/August 2024 - 264
Food Protection Trends - July/August 2024 - 265
Food Protection Trends - July/August 2024 - 266
Food Protection Trends - July/August 2024 - 267
Food Protection Trends - July/August 2024 - 268
Food Protection Trends - July/August 2024 - 269
Food Protection Trends - July/August 2024 - 270
Food Protection Trends - July/August 2024 - 271
Food Protection Trends - July/August 2024 - 272
Food Protection Trends - July/August 2024 - New Aluminum Lug Closure Reduces Removal Torque while Ensuring Hermetic Seals in Glass Jars
Food Protection Trends - July/August 2024 - 274
Food Protection Trends - July/August 2024 - 275
Food Protection Trends - July/August 2024 - 276
Food Protection Trends - July/August 2024 - 277
Food Protection Trends - July/August 2024 - 278
Food Protection Trends - July/August 2024 - 279
Food Protection Trends - July/August 2024 - 280
Food Protection Trends - July/August 2024 - 281
Food Protection Trends - July/August 2024 - 282
Food Protection Trends - July/August 2024 - 283
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Food Protection Trends - July/August 2024 - 285
Food Protection Trends - July/August 2024 - 286
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Food Protection Trends - July/August 2024 - 288
Food Protection Trends - July/August 2024 - 289
Food Protection Trends - July/August 2024 - 290
Food Protection Trends - July/August 2024 - 291
Food Protection Trends - July/August 2024 - 292
Food Protection Trends - July/August 2024 - 293
Food Protection Trends - July/August 2024 - Beyond the Bio
Food Protection Trends - July/August 2024 - 295
Food Protection Trends - July/August 2024 - 296
Food Protection Trends - July/August 2024 - PDG Highlight
Food Protection Trends - July/August 2024 - 298
Food Protection Trends - July/August 2024 - 299
Food Protection Trends - July/August 2024 - General Interest Paper
Food Protection Trends - July/August 2024 - 301
Food Protection Trends - July/August 2024 - 302
Food Protection Trends - July/August 2024 - 303
Food Protection Trends - July/August 2024 - 304
Food Protection Trends - July/August 2024 - 305
Food Protection Trends - July/August 2024 - 306
Food Protection Trends - July/August 2024 - 307
Food Protection Trends - July/August 2024 - 308
Food Protection Trends - July/August 2024 - 309
Food Protection Trends - July/August 2024 - General Interest Paper
Food Protection Trends - July/August 2024 - 311
Food Protection Trends - July/August 2024 - 312
Food Protection Trends - July/August 2024 - 313
Food Protection Trends - July/August 2024 - 314
Food Protection Trends - July/August 2024 - 315
Food Protection Trends - July/August 2024 - 316
Food Protection Trends - July/August 2024 - 317
Food Protection Trends - July/August 2024 - 318
Food Protection Trends - July/August 2024 - 319
Food Protection Trends - July/August 2024 - 320
Food Protection Trends - July/August 2024 - 321
Food Protection Trends - July/August 2024 - 322
Food Protection Trends - July/August 2024 - 323
Food Protection Trends - July/August 2024 - Industry Products
Food Protection Trends - July/August 2024 - 325
Food Protection Trends - July/August 2024 - Book Review
Food Protection Trends - July/August 2024 - 327
Food Protection Trends - July/August 2024 - Coming Events
Food Protection Trends - July/August 2024 - Cover3
Food Protection Trends - July/August 2024 - Cover4
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