Poor stability of fish hydrolyzed collagen (HC) hampers its applications, especially as food ingredients. The use of liposome as a vesicle can be a potential means to enhance bioactivities and stability of HC. HC from defatted Asian sea bass skin at different levels (0.25%–2%, w/v) were loaded into liposomes prepared from soy phosphatidylcholine (SPC) with various stabilizers (cholesterol (CHO) or glycerol (GLY)). The highest encapsulation efficiency (EE) was found in SPC-CHO-0.5%HC (P < 0.05) (85.42%), while liposome stabilized with GLY had the highest EE (74.54%) for SPC-GLY-0.25%HC (P < 0.05). After lyophilization, SPC-CHO-0.5%HC had higher EE than SPC-GLY-0.25%HC (P < 0.05). Increasing particle size and decreasing negative surface charge were found for both lyophilized samples. Lyophilized SPC-CHO-0.5%HC exhibited higher stability than lyophilized SPC-GLY-0.25%HC during storage at 25 °C for 28 days. Also, higher antioxidant activities in gastrointestinal track model system was found for SPC-CHO-0.5%HC. Thus, SPC-CHO liposome could be used as a promising carrier of HC.

Effect of stabilizing agents on characteristics, antioxidant activities and stability of liposome loaded with hydrolyzed collagen from defatted Asian sea bass skin / Chotphruethipong, L.; Battino, M.; Benjakul, S.. - In: FOOD CHEMISTRY. - ISSN 0308-8146. - 328:(2020), p. 127127. [10.1016/j.foodchem.2020.127127]

Effect of stabilizing agents on characteristics, antioxidant activities and stability of liposome loaded with hydrolyzed collagen from defatted Asian sea bass skin

Battino M.;
2020-01-01

Abstract

Poor stability of fish hydrolyzed collagen (HC) hampers its applications, especially as food ingredients. The use of liposome as a vesicle can be a potential means to enhance bioactivities and stability of HC. HC from defatted Asian sea bass skin at different levels (0.25%–2%, w/v) were loaded into liposomes prepared from soy phosphatidylcholine (SPC) with various stabilizers (cholesterol (CHO) or glycerol (GLY)). The highest encapsulation efficiency (EE) was found in SPC-CHO-0.5%HC (P < 0.05) (85.42%), while liposome stabilized with GLY had the highest EE (74.54%) for SPC-GLY-0.25%HC (P < 0.05). After lyophilization, SPC-CHO-0.5%HC had higher EE than SPC-GLY-0.25%HC (P < 0.05). Increasing particle size and decreasing negative surface charge were found for both lyophilized samples. Lyophilized SPC-CHO-0.5%HC exhibited higher stability than lyophilized SPC-GLY-0.25%HC during storage at 25 °C for 28 days. Also, higher antioxidant activities in gastrointestinal track model system was found for SPC-CHO-0.5%HC. Thus, SPC-CHO liposome could be used as a promising carrier of HC.
2020
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11566/286190
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