JP2003130798A5 - - Google Patents
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- Publication number
- JP2003130798A5 JP2003130798A5 JP2001329020A JP2001329020A JP2003130798A5 JP 2003130798 A5 JP2003130798 A5 JP 2003130798A5 JP 2001329020 A JP2001329020 A JP 2001329020A JP 2001329020 A JP2001329020 A JP 2001329020A JP 2003130798 A5 JP2003130798 A5 JP 2003130798A5
- Authority
- JP
- Japan
- Prior art keywords
- absorbance
- freshness
- degree
- wavelength
- reaction solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000002835 absorbance Methods 0.000 description 63
- 239000000243 solution Substances 0.000 description 50
- 241000209094 Oryza Species 0.000 description 43
- 235000007164 Oryza sativa Nutrition 0.000 description 43
- 235000009566 rice Nutrition 0.000 description 43
- 235000013339 cereals Nutrition 0.000 description 39
- 238000006243 chemical reaction Methods 0.000 description 28
- 239000003153 chemical reaction reagent Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 18
- 238000003756 stirring Methods 0.000 description 12
- ZPLCXHWYPWVJDL-UHFFFAOYSA-N 4-[(4-hydroxyphenyl)methyl]-1,3-oxazolidin-2-one Chemical compound C1=CC(O)=CC=C1CC1NC(=O)OC1 ZPLCXHWYPWVJDL-UHFFFAOYSA-N 0.000 description 10
- 229920002472 Starch Polymers 0.000 description 4
- 238000011481 absorbance measurement Methods 0.000 description 4
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- BELBBZDIHDAJOR-UHFFFAOYSA-N Phenolsulfonephthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2S(=O)(=O)O1 BELBBZDIHDAJOR-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 229960003531 phenolsulfonphthalein Drugs 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Images
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001329020A JP2003130798A (ja) | 2001-10-26 | 2001-10-26 | 米粒新鮮度測定方法 |
| CN 02143262 CN1264007C (zh) | 2001-10-26 | 2002-09-25 | 米粒新鲜度测试方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001329020A JP2003130798A (ja) | 2001-10-26 | 2001-10-26 | 米粒新鮮度測定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003130798A JP2003130798A (ja) | 2003-05-08 |
| JP2003130798A5 true JP2003130798A5 (cg-RX-API-DMAC7.html) | 2005-03-10 |
Family
ID=19144987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001329020A Pending JP2003130798A (ja) | 2001-10-26 | 2001-10-26 | 米粒新鮮度測定方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003130798A (cg-RX-API-DMAC7.html) |
| CN (1) | CN1264007C (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050164754A1 (en) * | 2003-04-07 | 2005-07-28 | Takashi Mikami | Method of measuring freshness of cereals and apparatus therefor |
| JP2006170897A (ja) * | 2004-12-17 | 2006-06-29 | Dkk Toa Corp | 化学的酸素要求量測定方法及び測定装置 |
| JP5572955B2 (ja) * | 2009-01-29 | 2014-08-20 | 株式会社サタケ | 近似式による吸光度の算出方法 |
| KR101211525B1 (ko) | 2010-11-09 | 2012-12-12 | 대한민국 | 탁도 자동 측정장치 |
| RU2563128C1 (ru) * | 2014-08-26 | 2015-09-20 | Федеральное государственное бюджетное учреждение Научно-исследовательский институт проблем хранения Федерального агентства по государственным резервам | Способ определения свежести рисовой крупы |
| CN109991115B (zh) * | 2019-04-08 | 2022-01-04 | 国家粮食和物资储备局科学研究院 | 一种稻谷新陈度检测方法 |
-
2001
- 2001-10-26 JP JP2001329020A patent/JP2003130798A/ja active Pending
-
2002
- 2002-09-25 CN CN 02143262 patent/CN1264007C/zh not_active Expired - Fee Related
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