CN113425754A - 一种从百香果果皮中联合提取黄酮和果胶的方法 - Google Patents

一种从百香果果皮中联合提取黄酮和果胶的方法 Download PDF

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CN113425754A
CN113425754A CN202110749032.1A CN202110749032A CN113425754A CN 113425754 A CN113425754 A CN 113425754A CN 202110749032 A CN202110749032 A CN 202110749032A CN 113425754 A CN113425754 A CN 113425754A
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passion fruit
filtrate
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卢珍兰
李致宝
余森艳
袁芳
陈永
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Guangxi Normal University for Nationalities
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Abstract

本发明公开了一种从百香果果皮中联合提取黄酮和果胶的方法,包括以下步骤:清洗,烘干,粉碎,得百香果果皮粉末;将百香果果皮粉末加入提取罐中,加入乙醇、增溶剂三乙醇胺和碳酸二甲酯,并用碱调节pH至8.0~8.5,超声波提取,过滤,分离滤液A和滤渣A;滤液A过柱、减压蒸馏,得百香果果皮总黄酮;取滤渣A,灭酶活,加入水,Tween‑80和纤维素酶,浸泡并超声波提取5~15min,过滤,分离滤液B和滤渣B;滤液B减压浓缩、脱色,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。通过本发明能实现从百香果果皮中联合提取黄酮和果胶,实现百香果果皮的综合利用。

Description

一种从百香果果皮中联合提取黄酮和果胶的方法
技术领域
本发明涉及提取工艺技术领域,尤其是一种从百香果果皮中联合提取黄酮和果胶的方法。
背景技术
百香果原产南美洲,是西番莲科西番莲属的一种多年生藤本植物,因其果汁散发出香蕉、菠萝、柠蒙、草莓、番桃、石榴等多种水果的浓郁香味而被誉为“百香果”,也是其英文名“Passionfruit”的译音,在国外还有“果汁之王”、“摇钱树”等美称。
百香果的果汁色、香、味、营养极佳,富含人体必需的17种氨基酸及多种维生素、微量元素等160多种有益成份,具有消除疲劳、提神醒酒、降脂降压、消炎祛斑、护肤养颜等神奇功效。
百香果在我国主要栽培于广西、广东、海南等华南省份及中国台湾地区,其中,广西是我国最大的百香果产区,百香果目前一般将其果肉用于生产果汁、果冻、果露、果酱等产品,而其果皮常常被当做废料直接丢弃,如此造成资源的浪费,还可能带来环境污染等相关问题。根据相关文献报道,百香果果皮中含有大量的生物活性物质,如多糖、果胶、黄酮。黄酮类化合物具有减除烦躁和缓解压力的作用;果胶是人体七大营养素中膳食纤维的主要成分,具有良好的抗腹泻、抗癌、治疗糖尿病和减肥等功效,而百香果的果皮中约含有3%的果胶(按照新鲜果皮质量计算),其果胶中的甲氧基含量是水果之冠,若能从百香果果皮中联合提取黄酮和果胶,将实现废弃物的回收再利用,同时能更好的满足医药、化妆品、食品领域的功能性需求。
发明内容
本发明公开了一种从百香果果皮中联合提取黄酮和果胶的方法,能实现从百香果果皮中联合提取黄酮和果胶,实现百香果果皮的综合利用。
为实现上述目的,本发明的技术方案为:
一种从百香果果皮中联合提取黄酮和果胶的方法,包括以下步骤:
S1.将百香果果皮清洗干净,35~45℃烘干,粉碎,得百香果果皮粉末;
S2.将百香果果皮粉末加入提取罐中,并按照固液比1:40~60g/mL,加入体积分数为75~85%的乙醇,同时加入增溶剂三乙醇胺和碳酸二甲酯,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:3~6:5~10,并用碱调节pH至8.0~8.5,超声波提取20~30min,温度为45~55℃,提取1~2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/8~1/10,调节pH至6.5~7.5,滤液过大孔树脂柱,用65~80%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4. 取滤渣A,加入沸水中处理5~10min,过滤,清洗,压干,按照固液比1:3~8 g/mL加入水,再以水的质量计,加入0.1~0.2wt%的Tween-80和0.1~0.3wt%的纤维素酶,浸泡20~30min,然后加入水调节固液比至1:12~18 g/mL,用酸调节溶液pH至1.5~2.0,超声波提取5~15min,加热灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5.滤液B减压浓缩、脱色,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
优选的,所述步骤S2中,超声波的功率为220~250W。
优选的,所述步骤S3中,大孔树脂柱为D101大孔树脂柱。
优选的,所述步骤S4中,超声波的功率为600~800W。
优选的,脱色的步骤具体为:在滤液B减压浓缩后,取所得的浓缩液,加入浓缩液质量1~3%的活性炭或硅藻土,搅拌脱色45~70min。
优选的,所述步骤S5中,减压浓缩时,浓缩至滤液B体积的1/6~1/10。
优选的,所述步骤S2中,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:3:8。
优选的,所述步骤S4中,以水的质量计,加入0.12wt%的Tween-80和0.2wt%的纤维素酶。
优选的,所述步骤S4中,调节pH的酸为酒石酸或柠檬酸。
以上所述的从百香果果皮中联合提取黄酮和果胶的方法,具有以下优点:
(1)本发明先在碱性条件下采用超声波法对总黄酮进行提取,通过碱性条件抑制果胶的溶出,同时采用三乙醇胺和碳酸二甲酯共同作用,通过有机溶剂和适宜的温度提高总黄酮的溶出率,减少总黄酮的氧化,且使果胶最大限度的保留在滤渣中。
(2)本发明在提取总黄酮之后,再加入Tween-80改变果皮细胞内外的渗透压,改变细胞的通透性,同时加以纤维素酶快速破坏细胞壁,在破坏细胞壁之后,协同酸性pH条件以及超声波提取,使果胶尽可能的游离出来,提高百香果果胶的提取率。
(3)采用本发明能同时提取黄酮和果胶,能使百香果果皮的利用价值最大化,同时更好的满足医药、化妆品、食品领域的功能性需求。
具体实施方式
以下结合具体实施例对本发明作进一步说明,但本发明的保护范围不限于以下实施例。
以下实施例采用的纤维素酶的酶活为2.0×105U/g。
总黄酮提取率的测定,采用“逆流法提取百香果果皮中总黄酮的工艺研究”(廖兰、吴俊良,广西科技大学[J],2018,29(02):91-96)中的方法。
果胶得率测定,采用“微波法提取百香果果胶的方法研究”(朱帝、陈采莹,绍兴文理学院化学化工学院[J],2020,31(14):29-30)中的方法。
百香果,购买于南宁市。
步骤S1中,均采用统一处理,45℃烘干粉碎,得百香果果皮粉末。
实施例1
一种从百香果果皮中联合提取黄酮和果胶的方法,包括以下步骤:
S1.将百香果果皮清洗干净,45℃烘干,粉碎,得百香果果皮粉末;
S2.将1kg百香果果皮粉末加入提取罐中,并按照固液比1:48g/mL,加入体积分数为80%的乙醇,同时加入增溶剂三乙醇胺和碳酸二甲酯,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:3:8,并用氢氧化钠调节pH至8.5,超声波提取30min,超声波的功率为230W,温度为52℃,提取2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/8,用盐酸调节pH至7.2,滤液过D101大孔树脂柱,用65%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理8min,过滤,清洗滤渣,压干,按照固液比1:4 g/mL加入水,再以水的质量计,加入0.12wt%的Tween-80和0.2wt%的纤维素酶,浸泡25min,然后加入水调节固液比至1:15 g/mL,用酒石酸调节溶液pH至1.8,超声波提取7min,加热90℃保温7min灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5.滤液B减压浓缩,浓缩至滤液B体积的1/8,得浓缩液,加入浓缩液质量3%的活性炭脱色,搅拌脱色60min,分离出活性炭后,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
经测试,总黄酮的提取率为2.75%,果胶得率为27.12%。
实施例2
一种从百香果果皮中联合提取黄酮和果胶的方法,包括以下步骤:
S1.将百香果果皮清洗干净,45℃烘干,粉碎,得百香果果皮粉末;
S2.将1kg百香果果皮粉末加入提取罐中,并按照固液比1:40g/mL,加入体积分数为75%的乙醇,同时加入增溶剂三乙醇胺和碳酸二甲酯,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:3:5,并用氢氧化钠调节pH至8.0,超声波提取30min,超声波的功率为250W,温度为50℃,提取2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/10,用盐酸调节pH至6.8,滤液过D101大孔树脂柱,用70%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理10min,过滤,清洗滤渣,压干,按照固液比1:5 g/mL加入水,再以水的质量计,加入0.1wt%的Tween-80和0.3wt%的纤维素酶,浸泡25min,用柠檬酸调节溶液pH至1.8,然后加入水调节液固比至1:12 g/mL,超声波提取10min,加热90℃保温10min灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5.滤液B减压浓缩,浓缩至滤液B体积的1/6,得浓缩液,加入浓缩液质量3%的硅藻土脱色,搅拌脱色50min,分离出硅藻土后,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
经测试,总黄酮的提取率为2.52%,果胶得率为23.31%。
实施例3
一种从百香果果皮中联合提取黄酮和果胶的方法,包括以下步骤:
S1.将百香果果皮清洗干净,45℃烘干,粉碎,得百香果果皮粉末;
S2.将1kg百香果果皮粉末加入提取罐中,并按照固液比1:60g/mL,加入体积分数为75%的乙醇,同时加入增溶剂三乙醇胺和碳酸二甲酯,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:6:5,并用氢氧化钠调节pH至8.5,超声波提取30min,超声波的功率为220W,温度为55℃,提取2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/10,用盐酸调节pH至7.5,滤液过D101大孔树脂柱,用70%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理10min,过滤,清洗滤渣,压干,按照固液比1:5g/mL加入水,再以水的质量计,加入0.2wt%的Tween-80和0.1wt%的纤维素酶,加入纤维素酶,浸泡25min,用酒石酸调节溶液pH至1.8,然后加入水调节液固比至1:18 g/mL,超声波提取5min,加热90℃保温10min灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5. 滤液B减压浓缩,浓缩至滤液B体积的1/10,得浓缩液,加入浓缩液质量3%的活性炭脱色,搅拌脱色70min,分离出活性炭后,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
经测试,总黄酮的提取率为2.81%,果胶得率为21.26%。
对比例1
一种从百香果果皮中联合提取黄酮和果胶的方法,包括以下步骤:
S1.将百香果果皮清洗干净,45℃烘干,粉碎,得百香果果皮粉末;
S2.将1kg百香果果皮粉末加入提取罐中,并按照固液比1:48g/mL,加入体积分数为75%的乙醇,超声波提取30min,超声波的功率为230W,温度为52℃,提取2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/8,滤液过D101大孔树脂柱,用65%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理8min,过滤,清洗滤渣,压干,按照固液比1:6 g/mL加入水,再以水的质量计,加入0.12wt%的Tween-80和0.2wt%的纤维素酶,浸泡25min,用酒石酸调节溶液pH至1.8,然后加入水调节液固比至1:15 g/mL,超声波提取25min,加热90℃保温10min灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5. 滤液B减压浓缩,浓缩至滤液B体积的1/8,得浓缩液,加入浓缩液质量3%的活性炭脱色,搅拌脱色60min,分离出活性炭后,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
经测试,总黄酮的提取率为2.11%,果胶得率为15.26%。
对比例2
S1.将百香果果皮清洗干净,45℃烘干,粉碎,得百香果果皮粉末;
S2.将1kg百香果果皮粉末加入提取罐中,并按照固液比1:48g/mL,加入体积分数为75%的乙醇,同时加入增溶剂三乙醇胺,乙醇和三乙醇胺的体积比为1000:11,并用氢氧化钠调节pH至8.5,超声波提取30min,超声波的功率为230W,温度为52℃,提取2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/8,用盐酸调节pH至7.2,滤液过D101大孔树脂柱,用65%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理8min,过滤,清洗滤渣,压干,按照固液比1:6 g/mL加入水,再以水的质量计,加入0.12wt%的Tween-80和0.2wt%的纤维素酶,浸泡25min,用酒石酸调节溶液pH至1.8,然后加入水调节液固比至1:15 g/mL,超声波提取25min,加热90℃保温10min灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5. 滤液B减压浓缩,浓缩至滤液B体积的1/8,得浓缩液,加入浓缩液质量3%的活性炭脱色,搅拌脱色60min,分离出活性炭后,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
经测试,总黄酮的提取率为2.19%,果胶得率为19.03%。
对比例3
S1.将百香果果皮清洗干净,45℃烘干,粉碎,得百香果果皮粉末;
S2.将1kg百香果果皮粉末加入提取罐中,并按照固液比1:48g/mL,加入体积分数为75%的乙醇,同时加入增溶剂碳酸二甲酯,乙醇和碳酸二甲酯的体积比为1000:11,并用氢氧化钠调节pH至8.0,超声波提取30min,超声波的功率为230W,温度为52℃,提取2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/8,用盐酸调节pH至7.2,滤液过D101大孔树脂柱,用65%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理8min,过滤,清洗滤渣,压干,按照固液比1:6 g/mL加入水,再以水的质量计,加入0.12wt%的Tween-80和0.2wt%的纤维素酶,浸泡25min,然后加入水调节液固比至1:15 g/mL,用酒石酸调节溶液pH至1.8,超声波提取25min,加热90℃保温10min灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5. 滤液B减压浓缩,浓缩至滤液B体积的1/8,得浓缩液,加入浓缩液质量3%的活性炭脱色,搅拌脱色60min,分离出活性炭后,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
经测试,总黄酮的提取率为2.26%,果胶得率为16.51%。
对比例4
S1.将百香果果皮清洗干净,45℃烘干,粉碎,得百香果果皮粉末;
S2.将1kg百香果果皮粉末加入提取罐中,并按照固液比1:48g/mL,加入体积分数为75%的乙醇,同时加入增溶剂三乙醇胺和碳酸二甲酯,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:3:8,并用氢氧化钠调节pH至8.5,超声波提取30min,超声波的功率为230W,温度为52℃,提取2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/8,用盐酸调节pH至7.2,滤液过D101大孔树脂柱,用65%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理8min,过滤,清洗滤渣,压干,按照固液比1:6 g/mL加入水,再以水的质量计,加入0.2wt%的纤维素酶,浸泡25min,然后加入水调节液固比至1:15g/mL,用酒石酸调节溶液pH至1.8,超声波提取25min,加热90℃保温10min灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5. 滤液B减压浓缩,浓缩至滤液B体积的1/8,得浓缩液,加入浓缩液质量3%的活性炭脱色,搅拌脱色60min,分离出活性炭后,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
经测试,总黄酮的提取率为2.72%,果胶得率为20.01%。

Claims (9)

1.一种从百香果果皮中联合提取黄酮和果胶的方法,其特征在于包括以下步骤:
S1.将百香果果皮清洗干净,35~45℃烘干,粉碎,得百香果果皮粉末;
S2.将百香果果皮粉末加入提取罐中,并按照固液比1:40~60g/mL,加入体积分数为75~85%的乙醇,同时加入增溶剂三乙醇胺和碳酸二甲酯,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:3~6:5~10,并用碱调节pH至8.0~8.5,超声波提取20~30min,温度为45~55℃,提取1~2次,过滤,分离滤液A和滤渣A;
S3.滤液A减压浓缩至原体积的1/8~1/10,调节pH至6.5~7.5,滤液过大孔树脂柱,用65~80%的乙醇洗脱,收集并合并洗脱液,洗脱液减压蒸馏,即获得百香果果皮总黄酮;
S4.取滤渣A,加入沸水中处理5~10min,过滤,清洗,压干,按照固液比1:3~8 g/mL加入水,再以水的质量计,加入0.1~0.2wt%的Tween-80和0.1~0.3wt%的纤维素酶,浸泡20~30min,然后加入水调节固液比至1:12~18 g/mL,用酸调节溶液pH至1.5~2.0,超声波提取5~15min,加热灭酶活,冷却后过滤,分离滤液B和滤渣B;
S5.滤液B减压浓缩、脱色,醇析,过滤后取沉淀物,沉淀物干燥,得果胶。
2.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S2中,超声波的功率为220~250W。
3.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S3中,大孔树脂柱为D101大孔树脂柱。
4.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S4中,超声波的功率为600~800W。
5.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S5中,脱色的步骤具体为:在滤液B减压浓缩后,取所得的浓缩液,加入浓缩液质量1~3%的活性炭或硅藻土,搅拌脱色45~70min。
6.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S5中,减压浓缩时,浓缩至滤液B体积的1/6~1/10。
7.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S2中,乙醇、三乙醇胺和碳酸二甲酯的体积比为1000:3:8。
8.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S4中,以水的质量计,加入0.12wt%的Tween-80和0.2wt%的纤维素酶。
9.根据权利要求1所述的从百香果果皮中联合提取黄酮和果胶的方法,其特征在于:
所述步骤S4中,调节pH的酸为酒石酸或柠檬酸。
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