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Chemical Composition and Concentration of Bioactive Compounds in Garlic Cultivated from Air Bulbils

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Department of Human Nutrition, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 31-149 Kraków, Poland
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Department of Vegetable and Medicinal Plants Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, al. 29 Listopada 45, 31-425 Kraków, Poland
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Department of Bioorganic Chemistry, Jagiellonian University, Medical College, Pharmacy Faculty, Medyczna 9, 30-688 Kraków, Poland
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Institute of Health, State Higher Vocational School, Staszica 1, 33-300 Nowy Sacz, Poland
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Toxicology Department, Faculty of Pharmacy Jagiellonian University Collegium Medicum Medyczna Street 9, 30-688 Krakow, Poland
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Food, Nutrition and Health, Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
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Author to whom correspondence should be addressed.
Agriculture 2020, 10(2), 40; https://doi.org/10.3390/agriculture10020040
Received: 23 December 2019 / Revised: 28 January 2020 / Accepted: 6 February 2020 / Published: 9 February 2020
This study was designed to determine the chemical composition, antioxidant activity, and selected bioactive compound content and occurrence in whole immature and mature garlic plants grown from air bulbils. Two winter garlic cultivars, Harnaś and Ornak, of Polish origin, were cultivated from air bulbils at the Experimental Station of the Agricultural University in Kraków, Poland. Harvest bunching of garlic of both cultivars was carried out in May and in June. Mature plants were harvested in July. In whole plant proximate analysis, the concentration of vitamin C, total polyphenols, antioxidant activity, carotenoids, chlorophyll a and b, as well as glutathione level were determined. P-coumaric acid was found in Harnaś and Ornak samples collected in May. Sinapinic acid was identified in Ornak samples collected in June and July. Identification of sulphur compounds depended on the term of harvesting. Significantly higher content of total phenolic compounds, antioxidant activity, as well as other bioactive compounds, was measured in the Harnaś and Ornak cultivars harvested in May. A significantly lower level of bioactive compounds was determined in mature plants harvested in July. The organosulfur compound profile and polyphenolic profile depended on the time of harvesting. Immature garlic cultivated from air bulbils is recognized as a potential source of bioactive compounds in human nutrition, however, more research, in particular in vivo studies, is required to confirm its functional properties. View Full-Text
Keywords: air bulbils; garlic; antioxidant activity; polyphenolic compounds; sulphur compounds air bulbils; garlic; antioxidant activity; polyphenolic compounds; sulphur compounds
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MDPI and ACS Style

Kopeć, A.; Skoczylas, J.; Jędrszczyk, E.; Francik, R.; Bystrowska, B.; Zawistowski, J. Chemical Composition and Concentration of Bioactive Compounds in Garlic Cultivated from Air Bulbils. Agriculture 2020, 10, 40.

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