EFFECT OF FRUIT HARVEST TIME ON ANTIOXIDANT COMPOUNDS OF OIL IN SOME OLIVE (OLEA EUROPAEA L.) CULTIVARS AT ROODBAR REGION

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ROSTAMI OZUMCHULUEI S.; GHASEMNEZHAD MAHMOOD; RAMZANI MALEKROUDI MOHAMMAD

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Journal: IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY Year:2016 | Volume:13 | Issue:52 Page(s): 35-45

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Title

EFFECT OF FRUIT HARVEST TIME ON ANTIOXIDANT COMPOUNDS OF OIL IN SOME OLIVE (OLEA EUROPAEA L.) CULTIVARS AT ROODBAR REGION

Author(s)

ROSTAMI OZUMCHULUEI S. | GHASEMNEZHAD MAHMOOD | RAMZANI MALEKROUDI MOHAMMAD | Issue Writer Certificate

Keywords

ANTIOXIDANT ACTIVITYQ2

HARVESTING DATEQ2

OLIVE OILQ1

Abstract

One of the main effective factors on OLIVE OIL quality is harvesting fruit at proper time. In this study, the effect of fruit harvesting time on oil antioxidant compounds of four olive cultivars, Zard, Rowghani, Arbequina and Coratina was investigated at Roodbar region, Guilan province. Therefore, the characteristics such as total chlorophyll, total carotenoid, total phenol, total flavonoid, antioxidant capacity, IC50 and anti-radical efficiency (AE) were determined in the oil. The results showed that with delaying in harvest time, antioxidant compounds of OLIVE OIL such as total chlorophyll and carotenoid, total phenolic and flavonoid decreased, that followed by declining oil antioxidant capacity and AE and, but increasing IC50. The results also showed that there was a positive significant correlation between OLIVE OIL total ANTIOXIDANT ACTIVITY with AE (+0.919), total chlorophyll (+0.562), total carotenoid (+0.562), total phenolic (+0.86) and flavonoid (+0.868) and a negative correlation with IC50 (-0.87). Overall, the highest antioxidant compounds were found when Zard, Rowghany and Arbequina cultivars fruits were harvested from 7 October to 18 October and 18 october to1 November for Coratina cultivars. Furthermore, delaying in fruit harvest time could increase OLIVE OIL content but declined oil antioxidant compounds and its nutritional value.

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APA: Copy

ROSTAMI OZUMCHULUEI, S., GHASEMNEZHAD, MAHMOOD, & RAMZANI MALEKROUDI, MOHAMMAD. (2016). EFFECT OF FRUIT HARVEST TIME ON ANTIOXIDANT COMPOUNDS OF OIL IN SOME OLIVE (OLEA EUROPAEA L.) CULTIVARS AT ROODBAR REGION. IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, 13(52), 35-45. SID. https://sid.ir/paper/72454/en

Vancouver: Copy

ROSTAMI OZUMCHULUEI S., GHASEMNEZHAD MAHMOOD, RAMZANI MALEKROUDI MOHAMMAD. EFFECT OF FRUIT HARVEST TIME ON ANTIOXIDANT COMPOUNDS OF OIL IN SOME OLIVE (OLEA EUROPAEA L.) CULTIVARS AT ROODBAR REGION. IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY[Internet]. 2016;13(52):35-45. Available from: https://sid.ir/paper/72454/en

IEEE: Copy

S. ROSTAMI OZUMCHULUEI, MAHMOOD GHASEMNEZHAD, and MOHAMMAD RAMZANI MALEKROUDI, “EFFECT OF FRUIT HARVEST TIME ON ANTIOXIDANT COMPOUNDS OF OIL IN SOME OLIVE (OLEA EUROPAEA L.) CULTIVARS AT ROODBAR REGION,” IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, vol. 13, no. 52, pp. 35–45, 2016, [Online]. Available: https://sid.ir/paper/72454/en

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