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The nutritive value and quality index of rice bran oil

Date:2013-10-28 17:25:45 / Cooking oil machine FAQ


Rice bran


The Nutritive Value of Rice Bran Oil

The composition of rice bran is 15%-22% grease, 12%-16% protein, 33%-53% nitrogen-free-extract, 7%-14% moisture, 8%-12% ash content. Rice bran oil is a kind of nutrient-rich vegetable oil, digestibility of it is as high as 90%. There are more than 80% unsaturated fatty acid, its oleic acid content is very high. The fatty acid, Vitamin E, sterol, and oryzanol in rice bran oil is good to human body, it can help people absorb nutrition, reduce cholesterol in blood, lower blood fat, promote human body grow and so on. Oryzanol can promote skin capillaries circulation, protect skin, and prevent commotio cerebri. There is natural tocopherol, squalene and many kinds of ferulic acid ester in rice bran oil, too. They are good for antioxidant.

Defatted rice bran

Main Nutrition Ingredient

Element

Content (%)

Element

Content (%)

Element

Content (%)

Oleic Acid

40-52

Linoleic Acid

29-42

Linolenic Acid

0.5-1.8

Palmitic Acid

12-18

Stearic Acid

1.0-3.0

Phytosterol

4.5-6.5

Oryzanol

0.1-0.5

The Nutritive Value of 100g Rice Bran (Based on American Standard)

Element

Content

Element

Content

Element

Content

Heatkcal

880

Fatg

100

Saturated Fatg

19.7

Monounsaturated fatg

39.3

Polyunsaturated fatg

35

Vitamin Emg

32.3

Vitamin K (mg)

24.7

Femg

0.07

Rice Bran oil

The Quality Index of Rice Bran oil
Crude Corn Germ Oil Quality Index

ItemsQuality Index
Smell and tastePossess inherent smell and taste of rice bran oil, no objectionable odor
Moisture and volatile matter(%)0.2
Insoluble impurity(%)0.2
Acid value(mgKOH/g)4
Peroxide value(mmol/kg)7.5
Solvent residual amount(mg/kg)100
NoticeThe index of boldface is compulsive.

Pressing Finished Corn Germ Oil and Solvent Extraction Corn Germ Oil Quality Index

Items

Quality Index

First Grade

Second Grade

Third Grade

Fourth Grade

Items

Lovibond cells 25.4mm

——

——

Yellow 35  Red 3.0

Yellow 35  Red 6.0

Lovibond cells 133.4mm

Yellow 35  Red 3.5

Yellow 35  Red 5.0

——

——

Smell and taste

Odor free, good taste

Smell and taste are both good

Possess inherent smell and taste of rice bran oil, no objectionable odor

Possess inherent smell and taste of rice bran oil, no objectionable odor

Transparency

Clear, transparent

Clear, transparent

——

——

Moisture and volatile matter%

0.05

0.05

0.10

0.20

Insoluble impurity%

0.05

0.05

0.05

0.05

Acid valuemgKOH/g

0.20

0.30

1.0

3.0

Peroxide valuemmol/kg

5.0

5.0

7.5

7.5

Heating test280

——

——

No precipitate, Lovibond cells: Yellow value is constant, the red value increases less than 0.4

A little precipitate, Lovibond cells: Yellow value is constant, the red value increases less than 4.0, the blue value increases less than 0.5

Saponified matter content%

——

——

0.03

0.03

Smoking point

215

205

——

——

Refrigeration teststore for 5.5h at 0℃)

Clear, transparent

——

——

——

Solvent residual amountmg/kg

Solvent extraction oil

Can’t be detected

Can’t be detected

≤50

≤50

Pressing oil

Can’t be detected

Can’t be detected

Can’t be detected

Can’t be detected

Notice 1Draw with “——”needn’t be detected. When the solvent residual amount of pressing oil, first grade oil and second grade oil is less than 10mg/kg, regard it as didn’t be detected.

Notice 2The index of boldface is compulsive.

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