期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 51, 期 -, 页码 274-278出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.indcrop.2013.09.014
关键词
Forsythia suspense; Seed oil; Enzyme-assisted aqueous extraction; Physicochemical property; Fatty acid composition; Antioxidant activity
资金
- National Natural Science Foundation of China [31270618]
- Project for Distinguished Teacher Abroad, Chinese Ministry of Education [MS2010DBLY031]
In order to exploit the byproduct of Forsythia suspense, its seed oil was first studied for the extraction, physicochemical property and antioxidant activity. The green and effective enzyme-assisted aqueous extraction processing under microwave irradiation was applied to obtain the oil. The optimal oil yield of 21.62 +/- 0.51% (dry weight of F. suspense seed basis) was achieved by the treatment of 1.5% (w/w) enzyme cocktail (cellulase/pectinase/proteinase = 1/1/1, w/w/w) under 90 min. The fatty acid composition of FSSO exhibited the predominance of linoleic acid (72.96%) along with oleic acid (18.66%) and palmitic acid (5.59%), which was quite similar to that of sunflower oil. Moreover, FSSO showed the notable concentration-dependent antioxidant activity with IC50 values of 22.35 and 29.51 mg/mL, according to the DPPH radical scavenging assay and beta-carotene/linoleic acid bleaching test, respectively. Thus, FSSO may serve as a potential source of valuable product for the food, pharmaceutical, or cosmetics industries. (C) 2013 Elsevier B.V. All rights reserved.
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