Does rice bran mixed with rice husk count as adulteration?
Does the presence of rice husk in rice bran really count as adulteration?
Does the presence of rice husk in rice bran really count as adulteration?
I've found that most rice bran has a little bit in it, more or less
Is it unavoidable?
Some large rice mills are better
With small operators there's just no way
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A little bit is acceptable, but not too much. If our plant buys local rice bran, we can allow a bit more rice husk, but not too much, and this kind of rice bran must be ground before use!!
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That's so abstract, teacher
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Is there a measuring method and a standard for judging?
Thanks for sharing!
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Very intuitive
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If there is rice husk you can see it directly, it's just that there's no good standard for judging
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It depends on the protein and fat content.
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Our local experience is to measure the silica content. The silica content of standard washed rice bran is not high; the higher the content, the more mixed bran (tongkang) has been added.
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Generally, testing fiber and protein lets you roughly know how much has been added.
I'm just puzzled about how much content counts as too much
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It's a normal issue, but what we buy in generally has 10% broken rice!!
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Distinguish between hybrid and japonica rice (gengdao); you can check ash and fiber. Japonica rice is around 6, hybrid around 9. Fiber is generally around 4 at the low end. The higher it is, the more problematic. You can set your own acceptance standard according to actual conditions.
I've found that most rice bran has a little bit in it, more or less
Is it unavoidable?
Some large rice mills are better
With small operators there's just no way
--------------------------------------
A little bit is acceptable, but not too much. If our plant buys local rice bran, we can allow a bit more rice husk, but not too much, and this kind of rice bran must be ground before use!!
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Originally posted by yaogongx on 2007-9-27 23:19May I ask, how much is "not too much"?
A little bit is acceptable, but not too much. If our plant buys local rice bran, we can allow a bit more rice husk, but not too much, and this kind of rice bran must be ground before use!!
That's so abstract, teacher
--------------------------------------
Is there a measuring method and a standard for judging?
Thanks for sharing!
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Originally posted by Ma Qianzu on 2007-9-28 12:35There is a method: you can drip phloroglucinol solution on it. If there is rice husk, it turns red
Is there a measuring method and a standard for judging?
Thanks for sharing!
Very intuitive
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If there is rice husk you can see it directly, it's just that there's no good standard for judging
--------------------------------------
It depends on the protein and fat content.
--------------------------------------
Our local experience is to measure the silica content. The silica content of standard washed rice bran is not high; the higher the content, the more mixed bran (tongkang) has been added.
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Originally posted by qiuchi23 on 2007-9-29 10:52Measuring silica?? That sounds so profound
Our local experience is to measure the silica content. The silica content of standard washed rice bran is not high; the higher the content, the more mixed bran (tongkang) has been added.
Generally, testing fiber and protein lets you roughly know how much has been added.
I'm just puzzled about how much content counts as too much
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Originally posted by qiuchi23 on 2007-9-29 10:52Just one raw material's quality causes so much trouble. Rice bran generally contains very little rice husk; if a merchant wants to adulterate, they grind the rice husk finely and mix it in, and microscopy can reveal it. In rice bran, a bit of broken rice grains and a small amount of polishing powder is fine; if it contains finely ground rice husk, and a lot of it, it should be rejected; if not much has been added, you can consider deducting from the price.
Our local experience is to measure the silica content. The silica content of standard washed rice bran is not high; the higher the content, the more mixed bran (tongkang) has been added.
--------------------------------------
It's a normal issue, but what we buy in generally has 10% broken rice!!
--------------------------------------
Distinguish between hybrid and japonica rice (gengdao); you can check ash and fiber. Japonica rice is around 6, hybrid around 9. Fiber is generally around 4 at the low end. The higher it is, the more problematic. You can set your own acceptance standard according to actual conditions.