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Comparison of the Microstructure and Functional Properties of Soluble Dietary Fiber from Coffee Peel and Other Five Different Sources
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Ke ZHU1, 2, Wenjiang DONG2, 4, *, Jinhuan CHENG3, *, Rongsuo HU2, 4, Hongyan HE3, Xiaoai CHEN2, 4, Yuzhou LONG2, Jiaxiong HUANG3
Chinese Journal of Tropical Crops | 2023, 44(2) : 394 - 404
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Chinese Journal of Tropical Crops | 2023, 44(2): 394-404
• Post-harvest Treatment & Quality Safety •
Comparison of the Microstructure and Functional Properties of Soluble Dietary Fiber from Coffee Peel and Other Five Different Sources
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Ke ZHU1, 2, Wenjiang DONG2, 4, *, Jinhuan CHENG3, *, Rongsuo HU2, 4, Hongyan HE3, Xiaoai CHEN2, 4, Yuzhou LONG2, Jiaxiong HUANG3
Affiliations
  • 1.College of Food and Wine, Ningxia University, Yinchuan, Ningxia 750021, China
  • 2.Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China
  • 3.Institute of Tropical and Subtropical Cash Crops, Yunnan Academy of Agricultural Sciences, Baoshan, Yunnan 678000, China
  • 4.Key Laboratory of Suitability Processing and Quality Control of Characteristic Tropical Crops, Wanning, Hainan 571533, China
Published: 2023-02-25 doi: 10.3969/j.issn.1000-2561.2023.02.019
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In this study, the soluble dietary fiber of coffee peel and other five commercially available soluble dietary fibers obtained from soybean, inulin, jujube, oat, and celery were used as experimental materials. The particle size distribution, monosaccharide composition, microstructure, physico-chemical properties, and functional characteristics were compared analyzed. Results indicated that the particle size distribution of soluble dietary fiber in coffee peel was wider, and the homogeneity was relatively poorer than that of the other five soluble dietary fibers, but its monosaccharide composition was relatively rich, and a total of 10 kinds of monosaccharides were detected. Fourier transform infrared spectroscopy showed different samples had similar spectral characteristics, but a slightly different intensity response of characteristic bands. X-ray diffraction and differential scanning calorimetry results demonstrated that the crystalline of soluble dietary fiber from coffee peel was lower (38.84%) than that of other samples, but exhibited excellent thermal stability. The solubility and oil holding capacity of soluble dietary fiber in coffee peel was 90.9% and (2.18±0.03)mg/g, respectively. The nitrite absorption capacity of soluble dietary fiber in coffee peel was 7.93 mg/g, which was significant higher that of the other samples. This study could provide theoretical basis for high value utilization and product development of coffee peel resource.

coffee peel  /  soluble dietary fiber  /  microstructure  /  functional properties
Ke ZHU, Wenjiang DONG, Jinhuan CHENG, Rongsuo HU, Hongyan HE, Xiaoai CHEN, Yuzhou LONG, Jiaxiong HUANG. Comparison of the Microstructure and Functional Properties of Soluble Dietary Fiber from Coffee Peel and Other Five Different Sources[J]. Chinese Journal of Tropical Crops, 2023 , 44 (2) : 394 -404 . DOI: 10.3969/j.issn.1000-2561.2023.02.019
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Article Info
doi: 10.3969/j.issn.1000-2561.2023.02.019
  • Receive Date：2022-02-15
  • Online Date：2026-03-05
  • Published：2023-02-25
Article Data
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History
  • Received：2022-02-15
  • Revised：2022-03-17
Funding
Affiliations
    1.College of Food and Wine, Ningxia University, Yinchuan, Ningxia 750021, China
    2.Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China
    3.Institute of Tropical and Subtropical Cash Crops, Yunnan Academy of Agricultural Sciences, Baoshan, Yunnan 678000, China
    4.Key Laboratory of Suitability Processing and Quality Control of Characteristic Tropical Crops, Wanning, Hainan 571533, China
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https://castjournals.cast.org.cn/joweb/rdzwxb/EN/10.3969/j.issn.1000-2561.2023.02.019
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表12种不同金属材料的力学参数
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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