CN103451264B - 一种测定发酵乳活菌总数的方法 - Google Patents
一种测定发酵乳活菌总数的方法 Download PDFInfo
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- CN103451264B CN103451264B CN201310415852.2A CN201310415852A CN103451264B CN 103451264 B CN103451264 B CN 103451264B CN 201310415852 A CN201310415852 A CN 201310415852A CN 103451264 B CN103451264 B CN 103451264B
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- 235000015140 cultured milk Nutrition 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 73
- 238000010790 dilution Methods 0.000 claims abstract description 79
- 239000012895 dilution Substances 0.000 claims abstract description 79
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000243 solution Substances 0.000 claims abstract description 61
- 239000003085 diluting agent Substances 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 230000008569 process Effects 0.000 claims abstract description 30
- 241000894006 Bacteria Species 0.000 claims description 42
- 239000002245 particle Substances 0.000 claims description 14
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 11
- 229920001817 Agar Polymers 0.000 claims description 8
- 239000008272 agar Substances 0.000 claims description 8
- 238000007747 plating Methods 0.000 claims description 8
- 235000013960 Lactobacillus bulgaricus Nutrition 0.000 claims description 3
- 241000186672 Lactobacillus delbrueckii subsp. bulgaricus Species 0.000 claims description 3
- 241000194017 Streptococcus Species 0.000 claims description 3
- 229940004208 lactobacillus bulgaricus Drugs 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 24
- 210000001082 somatic cell Anatomy 0.000 abstract description 4
- 238000005352 clarification Methods 0.000 abstract description 2
- 238000007865 diluting Methods 0.000 abstract description 2
- 230000001580 bacterial effect Effects 0.000 description 34
- 230000001954 sterilising effect Effects 0.000 description 30
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 25
- 239000002504 physiological saline solution Substances 0.000 description 23
- 238000010561 standard procedure Methods 0.000 description 19
- 238000012360 testing method Methods 0.000 description 17
- 230000001186 cumulative effect Effects 0.000 description 13
- 235000014655 lactic acid Nutrition 0.000 description 13
- 239000007787 solid Substances 0.000 description 10
- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 8
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 235000020247 cow milk Nutrition 0.000 description 5
- 238000011081 inoculation Methods 0.000 description 5
- 239000002054 inoculum Substances 0.000 description 5
- 239000004310 lactic acid Substances 0.000 description 5
- 239000006041 probiotic Substances 0.000 description 5
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- 230000000694 effects Effects 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
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- 238000002474 experimental method Methods 0.000 description 3
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- 235000013336 milk Nutrition 0.000 description 3
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- 235000013618 yogurt Nutrition 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
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- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
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- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 1
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Landscapes
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Dairy Products (AREA)
Abstract
Description
试验组 | 活菌总数/cfu/mL | 参照组 | 活菌总数/cfu/mL |
A | 1.35×1010 | A0 | 1.32×1010 |
B | 1.31×1010 | B0 | 1.45×1010 |
C | 1.28×1010 | C0 | 1.21×1010 |
平均值 | 1.33×1010 | 平均值 | 1.33×1010 |
平均偏差 | 0.03×1010 | 平均偏差 | 0.08×1010 |
试验组 | 活菌总数/cfu/mL | 参照组 | 活菌总数/cfu/mL |
A | 1.75×1011 | A0 | 1.72×1011 |
B | 1.73×1011 | B0 | 1.87×1011 |
C | 1.80×1011 | C0 | 1.68×1011 |
平均值 | 1.76×1011 | 平均值 | 1.76×1011 |
平均偏差 | 0.03×1011 | 平均偏差 | 0.08×1011 |
试验组 | 活菌总数/cfu/mL | 参照组 | 活菌总数/cfu/mL |
A | 1.77×1011 | A0 | 1.72×1011 |
B | 1.72×1011 | B0 | 1.87×1011 |
C | 1.70×1011 | C0 | 1.68×1011 |
平均值 | 1.73×1011 | 平均值 | 1.76×1011 |
平均偏差 | 0.03×1011 | 平均偏差 | 0.08×1011 |
EDTA添加量/% | 活菌总数/cfu/mL | EDTA添加量/% | 活菌总数/cfu/mL |
1(2.5mL) | 1.32×1011 | 7(17.5mL) | 1.41×1011 |
2(5.0mL) | 1.76×1011 | 8(20.0mL) | 1.08×1011 |
3(7.5mL) | 1.77×1011 | 9(22.5mL) | 7.64×1010 |
4(10.0mL) | 1.73×1011 | 10(25.0mL) | 3.8×1010 |
5(12.5mL) | 1.72×1011 | 90(225mL) | 3.2×108 |
6(15.0mL) | 1.69×1011 | GB4789.35-2010 | 1.76×1011 |
pH值 | 活菌总数/cfu/mL | pH值 | 活菌总数/cfu/mL |
6.37 | 8.76×1010 | 9.19 | 1.27×1011 |
6.78 | 1.70×1011 | 9.59 | 1.10×1011 |
7.18 | 1.75×1011 | 10.0 | 9.32×1010 |
7.58 | 1.77×1011 | 10.38 | 7.89×1010 |
7.99 | 1.78×1011 | 10.79 | 3.21×1010 |
8.38 | 1.72×1011 | 11.20 | 8.71×109 |
8.79 | 1.68×1011 | GB4789.35-2010 | 1.76×1011 |
Claims (4)
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CN106191200B (zh) * | 2016-07-18 | 2019-05-07 | 内蒙古农业大学 | 一种选择性计数酸奶中保加利亚杆菌的方法 |
CN106755272B (zh) * | 2016-12-02 | 2020-12-18 | 中国计量科学研究院 | 一种粘质沙雷氏菌定量检测的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0174176A2 (en) * | 1984-09-03 | 1986-03-12 | Milk Marketing Board | Improvements relating to the heat treatment of fresh liquid milk products |
WO2007010641A1 (ja) * | 2005-07-21 | 2007-01-25 | Kyushu University | 微生物検出法及び微生物検出キット |
CN101715815A (zh) * | 2009-11-20 | 2010-06-02 | 润盈生物工程(上海)有限公司 | 一种含耐热保护剂的直投式发酵剂的生产方法 |
CN102311997A (zh) * | 2011-08-30 | 2012-01-11 | 黑龙江省乳品工业技术开发中心 | 一种检测乳中金黄色葡萄球菌活菌的方法 |
CN102329762A (zh) * | 2011-11-01 | 2012-01-25 | 内蒙古农业大学 | 一种瑞士乳杆菌h9及其用途 |
-
2013
- 2013-09-13 CN CN201310415852.2A patent/CN103451264B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0174176A2 (en) * | 1984-09-03 | 1986-03-12 | Milk Marketing Board | Improvements relating to the heat treatment of fresh liquid milk products |
WO2007010641A1 (ja) * | 2005-07-21 | 2007-01-25 | Kyushu University | 微生物検出法及び微生物検出キット |
CN101715815A (zh) * | 2009-11-20 | 2010-06-02 | 润盈生物工程(上海)有限公司 | 一种含耐热保护剂的直投式发酵剂的生产方法 |
CN102311997A (zh) * | 2011-08-30 | 2012-01-11 | 黑龙江省乳品工业技术开发中心 | 一种检测乳中金黄色葡萄球菌活菌的方法 |
CN102329762A (zh) * | 2011-11-01 | 2012-01-25 | 内蒙古农业大学 | 一种瑞士乳杆菌h9及其用途 |
Non-Patent Citations (2)
Title |
---|
发酵乳品中乳酸菌生物量测定方法的研究;吕加平等;《肉品卫生》;19971231(第02期);3-7 * |
高活菌数复合益生菌发酵乳工艺优化;刘成国 等;《农业工程学报》;20130731;第29卷(第13期);286-296 * |
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Inventor after: Zhou Hui Inventor after: Yi Wenzhi Inventor after: Liu Chengguo Inventor before: Liu Chengguo Inventor before: Yi Wenzhi Inventor before: Zhou Hui |
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Free format text: CORRECT: INVENTOR; FROM: LIU CHENGGUO YI WENZHI ZHOU HUI TO: ZHOU HUI YI WENZHI LIU CHENGGUO |
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Effective date of registration: 20190211 Address after: 422500 Nanshan Ranch Daping, Chengbu Miao Autonomous County, Shaoyang City, Hunan Province Patentee after: HUNAN NANSHAN ANIMAL HUSBANDRY CO.,LTD. Address before: No. 1, Nongda Road, Furong district, Changsha, Hunan Province Patentee before: Hunan Agricultural University |
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Denomination of invention: A method for determining the total number of live bacteria in fermented milk Effective date of registration: 20231127 Granted publication date: 20150826 Pledgee: Agricultural Bank of China Limited Chengbu Miao Autonomous County Branch Pledgor: HUNAN NANSHAN ANIMAL HUSBANDRY CO.,LTD. Registration number: Y2023980067900 |