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7 .   Physico-chemical properties, fatty acid composition and mineral contents of goji berry (Lycium barbarum L.) fruit

Authors: Züleyha Endes, Nurhan Uslu, Mehmet Musa Özcan, Fatif Er

Volume 21, Issue 1;
Pages: 36-40;
ISSN: 2069-0053 (print) (former ISSN: 1453-1399), Agroprint;
ISSN (online): 2068-9551



Abstract:

Physico-chemical properties (fibre, moisture, crude oil, crude protein, total phenol, antioxidant activity and total sugar) of Goji berry (Lycium barbarum L.) fruits were determined. In addition, mineral contents of fruits were determined by Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES). Goji berry fruits contain 7.3 % fibre, 10.34% moisture, 4.11% crude oil, 3.44 mg GAE/100 ml total phenol, 8.9% crude protein and 487.29 g/100 ml total sugar. Its antioxidant activity value of goji berry fruit was determined as 20.78%. Goji fruit oil contained linoleic acid (60.77%), oleic (21.69%), palmitic (8.23%) and stearic (2.91%) acids. K , Mg, Fe, P, Ca and Na contents of goji berry fruit were found as 13447.35 mg/Kg, 806.88 mg/Kg, 45.77 mg/Kg, 1103.30 mg/Kg, 1003.40 mg/Kg and 28.27 mg/Kg, respectively. Potassium was found as the highest element, and followed by P, Ca and Mg in descending order.

Keywords: Goji berry, total phenol, antioxidant activity, mineral, fatty acid, ICP-AES, GC

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