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·474· 精细化工 FINE CHEMICALS 第 36 卷
为验证预测模型的可靠性,采用响应面法预测 参考文献:
条件进行验证实验。结合实际需求,优化条件分别 [1] Li G, Zhu F. Molecular structure of quinoa starch[J]. Carbohydrate
为:总酶用量 1.5%,酶配比 m(纤维素酶)∶m(果 Polymers, 2017, 158: 124-132.
[2] Vilcacundo R, Hernández-Ledesma B. Nutritional and biological
胶酶)=3∶2,酶解温度 50.5 ℃,pH 5.5,酶解时间 value of quinoa (Chenopodium quinoa, Willd.)[J]. Current Opinion
0.25 h。在上述条件下,藜麦种皮皂苷的提取率为 in Food Science, 2017, 14: 1-6.
85.32%,与预测值非常接近。说明采用响应面法得 [3] Navruz-Varli S, Sanlier N. Nutritional and health benefits of quinoa
(Chenopodium quinoa, Willd)[J]. Journal of Cereal Science, 2016,
到的拟合模型能很好地预测提取率与各实验因素之 69: 371-376.
间的关系,工艺条件参数可靠,具有一定的实际应 [4] Li G, Zhu F. Physicochemical properties of quinoa flour as affected
by starch interactions[J]. Food Chemistry, 2017, 221: 1560-1568.
用价值。
[5] Lorusso A, Verni M, Montemurro M, et al. Use of fermented quinoa
2.3 藜麦皂苷抗氧化性实验 flour for pasta making and evaluation of the technological and
藜麦皂苷对 DPPH·的清除能力见图 8。如图 8 所 nutritional features[J]. LWT - Food Science and Technology, 2017,
78: 215-221.
示,藜麦种皮中的皂苷有清除 DPPH·的能力,且清 [6] Nickel J, Spanier L P, Botelho F T, et al. Effect of different types of
除力随皂苷质量浓度增大而升高,当质量浓度小于 processing on the total phenolic compound content, antioxidant
capacity, and saponin content of Chenopodium quinoa Willd
1200 mg/L 时,线性关系良好,其相关系数为 0.9993,
grains[J]. Food Chemistry, 2016, 209: 139-143.
相关性显著;当质量浓度大于 1200 mg/L 后,清除 [7] Nowak V, Du J, Charrondière U R. Assessment of the nutritional
力增长缓慢。皂苷对 DPPH·的清除率最高可达到 composition of quinoa (Chenopodium quinoa Willd.)[J]. Food
Chemistry, 2016, 193: 47-54.
85.53%,清除力良好。
[8] González-Teuber M, Vilo C, Bascuñán-Godoy L. Molecular
characterization of endophytic fungi associated with the roots of
Chenopodium quinoa inhabiting the Atacama Desert, Chile[J].
Genomics Data, 2017, 11: 109-112.
[9] James L E A. Chapter 1 quinoa (Chenopodium quinoa, Willd.) :
Composition, chemistry, nutritional, and functional properties[J].
Advances in Food & Nutrition Research, 2009, 58: 1-31.
[10] Graf B L, Rojas-Silva P, Rojo L E, et al. Innovations in health value
and functional food development of quinoa (Chenopodium quinoa
Willd.)[J]. Comprehensive Reviews in Food Science and Food
Safety, 2015, 14(4): 431-445.
[11] Kowalski R J, Medina-Meza I G, Thapa B B, et al. Extrusion
processing characteristics of quinoa ( Chenopodium quinoa, Willd.)
var. Cherry Vanilla[J]. Journal of Cereal Science, 2016, 70: 91-98.
图 8 藜麦皂苷对 DPPH·清除能力 [12] Kuljanabhagavad T, Wink M. Biological activities and chemistry of
saponins from Chenopodium quinoa, Willd[J]. Phytochemistry
Fig. 8 Removal ability of total saponins toward DPPH·
Reviews, 2009, 8(2): 473-490.
[13] Vermeulen K, Verspreet J, Courtin C M, et al. Reduced particle size
3 结论 wheat bran is butyrogenic and lowers Salmonella colonization, when
added to poultry feed[J]. Veterinary Microbiology, 2016, 198: 64-71.
在单因素实验的基础上,以提取率为评价指标, [14] Chen Y, Xie M Y, Gong X F. Microwave-assisted extraction used for
the isolation of total triterpenoid saponins from Ganoderma atrum[J].
根据 Box-behnken 实验设计原理,采用响应曲面法
Journal of Food Engineering, 2007, 81 (1): 162-170.
优化藜麦种皮皂苷的提取工艺,得出最佳工艺条件: [15] Kuljanabhagavad T, Thongphasuk P, Chamulitrat W, et al. Triter-
总酶用量为 1.5%,酶配比 m(纤维素酶)∶m(果 penesaponins from Chenopodium quinoa Willd[J]. Phytochemistry,
2008, 69(9): 1919-1926.
胶酶)为 3∶2,酶解温度为 50.5 ℃,pH 为 5.5,酶
[16] Du Jingting (杜静婷), Chen Chao (陈超), Fan Sanhong (范三红).
解时间为 0.25 h。在此条件下,藜麦皂苷的提取率较 Optimization of extraction conditions for saponins from Chenopodium
高,达到 85.32%。复合酶协同超声提取藜麦种皮皂 quinoa bran by response surface method and its antioxidant
activities[J]. Journal of Shanxi Agricultural Sciences (山西农业科
苷的提取率比单一纤维素酶的提取率(81.56%)高 学), 2016, 44(7): 932-937.
4.41%,比单一果胶酶的提取率(82.20%)高 3.66%, [17] Wang Chenjing (王晨静), Zhao Xiwu (赵习武), Lu Guoquan (陆国
权), et al. A review of characteristics and utilization of Chenopodium
比单独超声提取(73.07%)高 16.76%。结果表明,
quinoa[J]. Journal of Zhejiang A & F University (浙江农林大学学
复合酶协同超声提取是一种高效、低耗能、低成本 报), 2014, 31(2): 296-301.
的藜麦种皮皂苷提取方法。对藜麦皂苷活性进行分 [18] Ghasemzadeh A, Jaafar H Z E, Rahmat A, et al. Optimization of
microwave-assisted extraction of zerumbone from Zingiber zerumbet
析表明,藜麦皂苷具有清除 DPPH·的能力,且呈现 L. rhizome and evaluation of antiproliferative activity of optimized
剂量效应,抗氧化能力与皂苷质量浓度相关性显著, extracts[J]. Chemistry Central Journal, 2017, 11(1). DOI: 10.
1186/s13065-016-0235-3.
为藜麦种皮皂苷的进一步开发利用提供了理论依据
和实验参考。 (下转第 493 页)