Ảnh hưởng của quá trình chiên sâu đến chất lượng của dầu hạt hướng dương oleic/linoleic tinh chế và dầu ô liu

Springer Science and Business Media LLC - Tập 57 - Trang 4716-4725 - 2020
Buket Aşkın1, Yalçın Kaya2
1Food Engineering Department, Kirklareli University, Kirklareli, Turkey
2Genetic and Bioengineering Department, Engineering Faculty, Trakya University, Edirne, Turkey

Tóm tắt

Mục tiêu chính của nghiên cứu này là so sánh những thay đổi xảy ra trong quá trình chiên với dầu hướng dương oleic tinh chế (ROSO), dầu ô liu tinh chế (ROO) và dầu hướng dương linoleic tinh chế (RLSO) trong thời gian thử nghiệm 5 ngày, cũng như đánh giá hiệu quả của thành phần axit béo đối với độ ổn định khi chiên. Mỗi ngày, các mẫu dầu được rút ra sau 7 giờ chiên và sau đó được phân tích để xác định các tính chất hóa học khác nhau. Kết quả cho thấy, trong các nghiên cứu hiện tại đã quan sát thấy sự thay đổi đáng kể ở tất cả các loại dầu về các tính chất hóa học. ROSO, có chứa hàm lượng axit linoleic thấp hơn, có độ ổn định nhiệt cao hơn cả RLSO và ROO. Kết quả này cho thấy hiệu quả chiên của ROSO chủ yếu phụ thuộc vào hàm lượng axit linoleic và giá trị i-ốt.

Từ khóa

#dầu hướng dương #dầu ô liu #chiên sâu #độ ổn định nhiệt #axit béo

Tài liệu tham khảo

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