ANTIOXIDANT ACTIVITY OF TANNINS EXTRACTED FROM BARK AND TAN-BARK OF QUERCUS PERSICA JAUB. & SPACH FRUIT IN SOYBEAN AND SUNFLOWER

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AZIZI A.; AZIZI A.M.; AZIZI GH.; ZANDI SH.; KHAGHANI SH.

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Journal: IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS Year:2011 | Volume:27 | Issue:3 (53) Page(s): 397-406

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Title

ANTIOXIDANT ACTIVITY OF TANNINS EXTRACTED FROM BARK AND TAN-BARK OF QUERCUS PERSICA JAUB. & SPACH FRUIT IN SOYBEAN AND SUNFLOWER

Author(s)

Keywords

QUERCUS PERSICA JAUB. AND SPACHQ2

EXTRACTQ2

ANTIOXIDANT EFFECTQ2

SOYBEEN OILQ3

SUNFLOWER OILQ2

Abstract

Skin tannin and tan-bark of Quercus persica Jaub. & Spach were EXTRACTed by two different solvents namely methanol and ethyl acetate. Afterwards, their ANTIOXIDANT EFFECTs were studied on edible vegetable oil compared with synthetic antioxidant Grindox 117 through AOM and Rencimat methods. AOM method was applied in condition of 120oC and an air flow of 8:35 l/h while 110oC and airflow of 20 l/ h were applied in Rencimat method. Induction period of SUNFLOWER OIL was increased from 5.30 to 10.85 h by adding 200 ppm EXTRACT taken out with methanol 90%. This period was increased up to 10.9 h by adding 200 ppm EXTRACT taken out with ethyl acetate 99.99%. Induction period of soybean oil was increased from 5.9 to 8.87 h by adding 200 ppm EXTRACT taken out with methanol 90%. This period was increased up to 8.87 h by adding 200 ppm EXTRACT taken out with ethyl acetate 99.99%. In another sample of soybean oil, induction period was increased from 4.65 to 7.2 h by adding 200 ppm of a mixture of methanol EXTRACT and pure citric acid (ratio1:3). This period was increased up to 7.15 h by adding 200 ppm of a mixture of ethyl acetate and citric acid (ratio1:3).

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APA: Copy

AZIZI, A., AZIZI, A.M., AZIZI, GH., ZANDI, SH., & KHAGHANI, SH.. (2011). ANTIOXIDANT ACTIVITY OF TANNINS EXTRACTED FROM BARK AND TAN-BARK OF QUERCUS PERSICA JAUB. & SPACH FRUIT IN SOYBEAN AND SUNFLOWER. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 27(3 (53)), 397-406. SID. https://sid.ir/paper/105776/en

Vancouver: Copy

AZIZI A., AZIZI A.M., AZIZI GH., ZANDI SH., KHAGHANI SH.. ANTIOXIDANT ACTIVITY OF TANNINS EXTRACTED FROM BARK AND TAN-BARK OF QUERCUS PERSICA JAUB. & SPACH FRUIT IN SOYBEAN AND SUNFLOWER. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2011;27(3 (53)):397-406. Available from: https://sid.ir/paper/105776/en

IEEE: Copy

A. AZIZI, A.M. AZIZI, GH. AZIZI, SH. ZANDI, and SH. KHAGHANI, “ANTIOXIDANT ACTIVITY OF TANNINS EXTRACTED FROM BARK AND TAN-BARK OF QUERCUS PERSICA JAUB. & SPACH FRUIT IN SOYBEAN AND SUNFLOWER,” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 27, no. 3 (53), pp. 397–406, 2011, [Online]. Available: https://sid.ir/paper/105776/en

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