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Coconut oil residue (COR) and coconut milk residue (CMR) are the two main by-products of coconut meat, which are produced during the processing of coconut oil and coconut milk, respectively. In order to explore the processing suitability of the two by-products, the nutritional and physicochemical properties of the two by-products were comprehensively analyzed. The results showed that the fat content of COR (19.37 g/100 g) was lower than that of CMR, while the nutrients such as protein (11.32 g/100 g), total dietary fiber (63.92 g/100 g), soluble dietary fiber (4.42 g/100 g), polysaccharides (25.67 mg/g), flavonoids (4.21 mg/g), total phenols (1.15 mg/g) and other active ingredients were higher than those of CMR. The hydrolyzed amino acids of COR and CMR were similar, but the content was significantly different, which was 94.955 mg/g and 56.975 mg/g, respectively. COR showed better hydration properties nificantly different, which was 94.955 mg/g and 56.975 mg/g, respectively. COR showed better hydration properties than CMR at different temperatures, but the fluidity of both was poor. COR had relatively higher thermal stability, more complete crystal structure and higher group activity than CMR. In conclusion, compared with CMR, COR has more nutrients and active ingredients, hydration properties and fluidity, and has higher thermal stability and stable crystal structure, which is an ideal raw material for low-fat, low-sugar and high-fiber food processing. The results of this study could provide theoretical guidance for the high-value utilization of coconut meat processing by-products in the food industry.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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