Comparative Analysis of Fatty Acid Profile and Fat-Soluble Vitamin Content in Sheep and Goat Milk of Organic and Conventional Origin

被引:2
|
作者
Gortzi, Olga [1 ]
Malissiova, Eleni [2 ]
Katsoulis, Kostas [3 ]
Alibade, Aggeliki [4 ]
Liappis, Dimitrios [1 ]
Lalas, Stavros [4 ]
Graikou, Konstantia [5 ]
机构
[1] Univ Thessaly, Sch Agr Sci, Dept Agr Crop Prod & Rural Environm, Volos 38446, Greece
[2] Univ Thessaly, Anim Sci Dept, Larisa 41500, Greece
[3] Univ Thessaly, Fac Vet Med, Sch Hlth Sci, Dept Anim Husb & Nutr, Kardhitsa 43100, Greece
[4] Univ Thessaly, Sch Agr Sci, Dept Food Sci & Nutr, Kardhitsa 43100, Greece
[5] Natl & Kapodistrian Univ Athens, Fac Pharm, Lab Pharmacognosy & Chem Nat Prod, Athens 15771, Greece
来源
APPLIED SCIENCES-BASEL | 2022年 / 12卷 / 06期
关键词
organic; conventional; sheep; goat; milk; fatty acids content; fat-soluble vitamins; CONJUGATED LINOLEIC-ACID; CLA CONTENT; ANTIOXIDANT PROTECTION; ALPHA-TOCOPHEROL; BETA-CAROTENE; DAIRY-COWS; PRODUCTS; BREED; LACTATION; PASTURE;
D O I
10.3390/app12062809
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Consumers tend to perceive organic foods as more nutritious and safer in comparison to conventional, due to the perception that organic food is eco- and animal-friendly. Since fatty acids and fat-soluble vitamins in dairy produce are important nutrients, this study aims to assess possible differences in the amount of these components included in organic and conventional ewes and goat raw milk in Greece, while identifying the potential determining factors. A total of 48 samples were collected from organic and conventional sheep and goat farms in Greece (Thessaly) during the lactation period. A standardized questionnaire, including information about the farming system, and a sampling protocol were completed. Samples were studied for the fat-soluble vitamins (all-trans-retinol and alpha-tocopherol) and the fatty acids profile, while the outcomes were statistically analyzed to explore any associations with the questionnaire data for potential factors affecting the results. According to the obtained results there are slight differences in milk fatty acid content, which indicates that organic and conventional sheep and goat milk in Greece do not have any substantial differences in terms of feeding strategies. Regarding the content of fat-soluble vitamins, the organic milk is generally found to contain a higher amount than the conventional one.
引用
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页数:13
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