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Original Article

Physicochemical properties and anthocyanin bioaccessibility of downy rose-myrtle powder prepared by superfine grinding

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Pages 2022-2032 | Received 15 Aug 2019, Accepted 06 Dec 2019, Published online: 12 Dec 2019

Figures & data

Table 1. Micromeritic and color properties of downy rose-myrtle powder

Figure 1. SEM images of various particle sizes of downy rose-myrtle powders at 600 × magnification. (A) CP180; (B) CP120; (C) CP96; (D) superfine powder

Figure 1. SEM images of various particle sizes of downy rose-myrtle powders at 600 × magnification. (A) CP180; (B) CP120; (C) CP96; (D) superfine powder

Table 2. Physical properties of downy rose-myrtle powder

Table 3. The release of polyphenols (mg GAE/100 g powder) from downy rose-myrtle powders before and after in vitro gastrointestinal digestion

Table 4. The release of anthocyanins (mg CGE/100 g powder) from downy rose-myrtle powders before and after in vitro gastrointestinal digestion

Figure 2. Polyphenols and anthocyanins bioaccessibility of downy rose-myrtle powders after in vitro gastrointestinal digestion. Values in the same group with different letters are significantly different (P < .05)

Figure 2. Polyphenols and anthocyanins bioaccessibility of downy rose-myrtle powders after in vitro gastrointestinal digestion. Values in the same group with different letters are significantly different (P < .05)

Figure 3. Evaluation of the antioxidant capacities of extracts from downy rose-myrtle powders as determined by ABTS radical scavenging effect. Values in the same group with different letters are significantly different (P < .05)

Figure 3. Evaluation of the antioxidant capacities of extracts from downy rose-myrtle powders as determined by ABTS radical scavenging effect. Values in the same group with different letters are significantly different (P < .05)