Suitability of fresh spring and autumn leaves from different tea cultivars for ultramicro green tea powder production

doi:10.3969/j.issn.1004-1524.2021.03.08

Acta Agriculturae Zhejiangensis ›› 2021, Vol. 33 ›› Issue (3): 437-446.DOI: 10.3969/j.issn.1004-1524.2021.03.08

• Horticultrual Science • Previous Articles Next Articles

Suitability of fresh spring and autumn leaves from different tea cultivars for ultramicro green tea powder production

SUN Da¹, GONG Shu¹, CUI Hongchun², GUO Minming², ZHENG Xuxia²^,^*()

1. Zhejiang Institute of Economics and Trade, Hangzhou 310018, China
2. Hangzhou Academy of Agricultural Sciences, Hangzhou 310024, China

Received:2020-08-25 Online:2021-04-02 Published:2021-03-25
Contact: ZHENG Xuxia

Abstract

Abstract:

In the present study, the particle size parameters, chromatic aberration and component contents of ultramicro green tea powder made from fresh spring and autumn leaves of eight tea cultivars (Maolv, Cuifeng, Longjing No. 43, Yingshuang, Fudingdabaicha, Jiukengzhong, Baiye No. 1, Soubeizhong) were determined and compared. Sensory evaluation was also used to select the suitable tea cultivars and harvest season. It was shown that the particle size of ultramicro green tea powder made from Longjing No. 43 spring tea was the smallest, and the particle size of ultramicro green tea powder made from Cuifeng spring tea was the most uniform. The ultramicro green tea powder made from Cuifeng spring tea and Fudingdabaicha spring tea had the most pure and gorgeous color. The amino acids content of ultramicro green tea powder made from Fudingdabaicha spring tea and Longjing No. 43 spring tea was the highest, while their tea polyphenols and water extract contents were relatively low. The sensory evaluation result showed that, the ultramicro green tea powder made from Soubeizhong spring tea, Yingshuang autumn tea and Fudingdabaicha autumn tea got the highest total score. All in all, the spring tea of Longjing No. 43, Cuifeng, Fudingdabaicha and Soubeizhong were suitable for the production of ultramicro green tea powder, while the autumn tea of Yingshuang and Fudingdabaicha could be used to produce ultramicro green tea powder for drinking.

Key words: tea cultivar, plucking season, ultramicro green tea powder, sensory evaluation

CLC Number:

S571.1

SUN Da, GONG Shu, CUI Hongchun, GUO Minming, ZHENG Xuxia. Suitability of fresh spring and autumn leaves from different tea cultivars for ultramicro green tea powder production[J]. Acta Agriculturae Zhejiangensis, 2021, 33(3): 437-446.

Figures/Tables 8

References 15

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茶树品种 Tea cultivar	d_0.1/μm	d_0.5/μm	d_0.9/μm	SPAN	D[3,2]
茂绿 Maolv	4.46	17.35	58.20	3.10	10.61
迎霜 Yingshuang	4.77	18.87	70.24	4.47	11.41
翠峰 Cuifeng	4.56	18.61	61.15	3.04	10.97
龙井43 Longjing No.43	4.21	15.98	61.46	3.58	10.03
福鼎大白茶 Fudingdabaicha	4.43	18.36	69.55	3.55	10.79
鸠坑种 Jiukengzhong	4.65	21.13	80.27	3.58	11.60
薮北种 Soubeizhong	4.70	19.26	71.50	3.47	11.36
白叶1号 Baiye No.1	4.30	16.31	67.04	3.85	10.27

茶树品种 Tea cultivar	d_0.1/μm	d_0.5/μm	d_0.9/μm	SPAN	D[3,2]
茂绿 Maolv	4.46	17.35	58.20	3.10	10.61
迎霜 Yingshuang	4.77	18.87	70.24	4.47	11.41
翠峰 Cuifeng	4.56	18.61	61.15	3.04	10.97
龙井43 Longjing No.43	4.21	15.98	61.46	3.58	10.03
福鼎大白茶 Fudingdabaicha	4.43	18.36	69.55	3.55	10.79
鸠坑种 Jiukengzhong	4.65	21.13	80.27	3.58	11.60
薮北种 Soubeizhong	4.70	19.26	71.50	3.47	11.36
白叶1号 Baiye No.1	4.30	16.31	67.04	3.85	10.27

茶树品种 Tea cultivar	采摘季节 Plucking season	L	a	b	H	C	S
茂绿 Maolv	春 Spring	65.32	-6.37	32.34	-5.08	32.96	0.51
	秋 Autumn	70.71	-7.25	28.13	-3.88	29.05	0.41
迎霜 Yingshuang	春 Spring	66.22	-6.58	34.21	-5.20	34.84	0.53
	秋 Autumn	70.35	-6.99	27.15	-3.88	28.04	0.40
翠峰 Cuifeng	春 Spring	65.96	-6.62	35.40	-5.35	36.01	0.55
	秋 Autumn	72.85	-5.82	26.51	-4.56	27.14	0.38
龙井43 Longjing No.43	春 Spring	66.19	-7.75	34.25	-4.42	35.12	0.53
	秋 Autumn	69.62	-6.43	27.63	-4.30	28.37	0.41
福鼎大白茶 Fudingdabaicha	春 Spring	65.32	-6.45	35.09	-5.44	35.68	0.55
	秋 Autumn	71.40	-7.78	28.38	-3.65	29.43	0.41
鸠坑种 Jiukengzhong	春 Spring	68.42	-5.15	34.11	-6.62	34.50	0.50
	秋 Autumn	72.01	-5.29	26.12	-4.94	26.65	0.37
薮北种 Soubeizhong	春 Spring	65.71	-7.06	34.29	-4.86	35.01	0.53
	秋 Autumn	72.44	-5.88	26.19	-4.45	26.84	0.37
白叶一号 Baiye No.1	春 Spring	69.43	-6.45	32.38	-5.02	33.02	0.48
	秋 Autumn	72.54	-5.04	26.77	-5.31	27.24	0.38

茶树品种 Tea cultivar	采摘季节 Plucking season	L	a	b	H	C	S
茂绿 Maolv	春 Spring	65.32	-6.37	32.34	-5.08	32.96	0.51
	秋 Autumn	70.71	-7.25	28.13	-3.88	29.05	0.41
迎霜 Yingshuang	春 Spring	66.22	-6.58	34.21	-5.20	34.84	0.53
	秋 Autumn	70.35	-6.99	27.15	-3.88	28.04	0.40
翠峰 Cuifeng	春 Spring	65.96	-6.62	35.40	-5.35	36.01	0.55
	秋 Autumn	72.85	-5.82	26.51	-4.56	27.14	0.38
龙井43 Longjing No.43	春 Spring	66.19	-7.75	34.25	-4.42	35.12	0.53
	秋 Autumn	69.62	-6.43	27.63	-4.30	28.37	0.41
福鼎大白茶 Fudingdabaicha	春 Spring	65.32	-6.45	35.09	-5.44	35.68	0.55
	秋 Autumn	71.40	-7.78	28.38	-3.65	29.43	0.41
鸠坑种 Jiukengzhong	春 Spring	68.42	-5.15	34.11	-6.62	34.50	0.50
	秋 Autumn	72.01	-5.29	26.12	-4.94	26.65	0.37
薮北种 Soubeizhong	春 Spring	65.71	-7.06	34.29	-4.86	35.01	0.53
	秋 Autumn	72.44	-5.88	26.19	-4.45	26.84	0.37
白叶一号 Baiye No.1	春 Spring	69.43	-6.45	32.38	-5.02	33.02	0.48
	秋 Autumn	72.54	-5.04	26.77	-5.31	27.24	0.38

茶树品种 Tea cultivar	采摘季节 Plucking season	水浸出物 Water extract	茶多酚 Tea polyphenols	氨基酸 Amino acids	咖啡碱 Caffeine	总儿茶素 Total catechins
茂绿	春 Spring	38.06±0.13 hi	11.00±0.08 f	2.23±0.03 f	3.27±0.01 bcd	11.39±0.23 def
Maolv	秋 Autumn	44.47±0.30 e	13.32±0.07 d	2.04±0.00 h	3.03±0.25 cd	12.19±0.16 cd
迎霜	春 Spring	39.21±0.11 gh	10.04±0.04 h	2.12±0.02 g	3.11±0.00 bcd	10.71±0.02 ef
Yingshuang	秋 Autumn	46.16±0.43 bcd	14.17±0.07 c	2.14±0.01 g	3.38±0.28 abc	14.08±0.23 ab
翠峰	春 Spring	40.33±0.09 g	10.92±0.06 f	3.00±0.02 c	3.42±0.01 abc	10.38±0.04 f
Cuifeng	秋 Autumn	46.49±0.16 bc	16.39±0.04 b	2.13±0.00 g	3.22±0.01 bcd	14.80±0.65 a
龙井43	春 Spring	38.12±0.69 hi	7.90±0.33 j	3.12±0.07 b	3.26±0.12 bcd	5.96±0.67 g
Longjing No.43	秋 Autumn	42.81±0.62 f	12.98±0.03 e	1.93±0.00 i	2.89±0.25 cd	10.64±0.26 ef
福鼎大白茶	春 Spring	37.33±0.35 i	8.65±0.05 i	3.31±0.01 a	3.39±0.01 abc	7.09±0.92 g
Fudingdabaicha	秋 Autumn	44.26±0.63 e	13.86±0.03 c	2.44±0.01 e	3.60±0.51 ab	13.07±0.68 bc
鸠坑种	春 Spring	45.16±0.18 de	14.16±0.15 c	2.38±0.02 e	3.89±0.00 a	13.68±0.83 ab
Jiukengzhong	秋 Autumn	49.49±0.34 a	18.11±0.03 a	2.00±0.01 hi	3.82±0.01 a	14.42±0.22 ab
薮北种	春 Spring	37.70±0.13 i	10.59±0.16 g	1.96±0.02 i	2.76±0.00 d	11.24±0.06 def
Soubeizhong	秋 Autumn	45.70±0.31 cd	16.34±0.03 b	1.94±0.01 i	3.36±0.13 abc	11.53±0.14 def
白叶一号	春 Spring	42.01±0.32f	11.22±0.06 f	2.88±0.03 d	2.97±0.00 cd	11.39±0.33 def
Baiye No.1	秋 Autumn	46.97±0.58 b	16.36±0.03 b	1.95±0.01 i	3.18±0.03 bcd	11.91±0.46 cde

Suitability of fresh spring and autumn leaves from different tea cultivars for ultramicro green tea powder production

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茶树品种 Tea cultivar	采摘季节 Plucking season	外形 Appearance		汤色 Liquor color		香气 Aroma		滋味 Taste		总得分 Total score
茶树品种 Tea cultivar	采摘季节 Plucking season	评语 Comment	得分 Score	评语 Comment	得分 Score	评语 Comment	得分 Score	评语 Comment	得分 Score	总得分 Total score
茂绿 Maolv	春 Spring	绿,鲜润 Green, fresh, moist	92	绿明 Green, slightly bright	91	清香 Delicate fragrance	88	清鲜回甘 Clear and fresh and sweet aftertaste	94	91.10
	秋 Autumn	翠绿,润 Emerald green, moist	94	绿,明亮 Green, bright	91	清香有海苔香 Delicate fragrance and seaweed fragrance	91	清爽带鲜,稍有颗粒感 Fresh with little granular sense	92	91.65
迎霜 Yingshuang	春 Spring	嫩绿,鲜活 Light green, fresh	92	绿亮 Green, much bright	92	清香带海苔香 Delicate fragrance with seaweed fragrance	90	清鲜回甘,稍有颗粒感 Clear and fresh and sweet aftertaste with little granular sense	93	91.65
	秋 Autumn	翠绿,润 Emerald green, moist	94	草绿鲜亮 Grass green, bright, vivid	93	清高有海苔香 Delicate and high fragrance with seaweed fragrance	93	清爽带鲜,厚,微涩(口感丰富,表现全面) Fresh, dense, slightly astringent (abundant taste)	92	92.75
翠峰 Cuifeng	春 Spring	绿,鲜润 Green, fresh, moist	94	绿艳 Green, gorgeous	94	清香带海苔香 Delicate fragrance with seaweed fragrance	90	清醇带鲜 Fresh with fermented taste	91	91.55
	秋 Autumn	嫩绿 Light green	93	浅绿明亮 Light green, bright	90	嫩香,稍有海苔香 Tender fragrance with slightly seaweed fragrance	92	清鲜,微涩 Clear and fresh with slightly astringent	90	91.00

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