Antioxidant Capacity of Different Varieties of Citrus Peels

doi:10.3969/j.issn.1000-2561.2019.08.026

Abstract

Abstract:

In this paper, five kinds of peel extracts of five varieties (wide-skin orange, sweet orange, pomelo, lemon and kumquat) were used as the raw materials to evaluate the antioxidant capacity of each variety. The anti-oxidation ability of Citrus peel extracts was determined by the DPPH method and ABTS method respectively. The antioxidant capacity of IC₅₀ was used to evaluate the antioxidant activity of Citrus, and the antioxidant capacity of Citrus peel of various varieties was comprehensively analyzed. The Citrus peel had strong antioxidant activity and there were some differences between the varieties. The antioxidant capacities of the peels were different, and the comprehensive antioxidant capacities were from high to low: Ota citrus, Jindan, Beijing lemon, Newhall navel orange, Pingshan pomelo. Among the five citrus varieties, the broad-skin orange had the strongest antioxidant capacity, followed by the kumquat, the lemon and sweet orange, and the pomelo had the weakest antioxidant capacity.

Key words: Citrus, peels, extracts, antioxidant capacity

CLC Number:

S666

CHEN Yuan,ZHANG Di,PAN Heli,SUN Jianhua,PAN Dongming,YU Wenquan. Antioxidant Capacity of Different Varieties of Citrus Peels[J]. Chinese Journal of Tropical Crops, 2019, 40(8): 1633-1637.

Figures/Tables 3

References 28

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编号 No.	品种 Variety	类别 Category	DPPH·			ABTS⁺·
编号 No.	品种 Variety	类别 Category	方程式 Equation	R²	IC₅₀ /(mg·mL^-1)	方程式 Equation	R²	IC₅₀ /(mg·mL^-1)
1	太田椪柑Taitianpenggan	宽皮橘类	y = 31.422ln(x) + 126.98	0.9526	0.431±0.002^a	y = 10.56ln(x) + 95.48	0.9130	0.067±0.001^a
2	纽荷尔脐橙 Newhall navel orange	甜橙类	y = 25.965ln(x) + 79.882	0.9721	1.582±0.004^c	y = 17.65ln(x) + 86.06	0.9600	1.648±0.003^c
3	坪山柚 Pingshanyou	柚类	y = 20.66ln(x) + 67.173	0.9138	2.178±0.003^b	y = 18.89ln(x) + 76.08	0.9910	1.258±0.003^b
4	北京柠檬 Beijing Lemon	柠檬类	y = 24.479ln(x) + 92.487	0.9753	0.881±0.001^d	y = 12.47ln(x) + 79.40	0.9770	0.473±0.006^d
5	金弹 Jindan	金柑类	y = 15.592ln(x) + 97.728	0.9567	0.293±0.001^e	y = 18.75ln(x) + 86.57	0.9880	0.711±0.001^e

编号 No.	品种 Variety	类别 Category	DPPH·			ABTS⁺·
编号 No.	品种 Variety	类别 Category	方程式 Equation	R²	IC₅₀ /(mg·mL^-1)	方程式 Equation	R²	IC₅₀ /(mg·mL^-1)
1	太田椪柑Taitianpenggan	宽皮橘类	y = 31.422ln(x) + 126.98	0.9526	0.431±0.002^a	y = 10.56ln(x) + 95.48	0.9130	0.067±0.001^a
2	纽荷尔脐橙 Newhall navel orange	甜橙类	y = 25.965ln(x) + 79.882	0.9721	1.582±0.004^c	y = 17.65ln(x) + 86.06	0.9600	1.648±0.003^c
3	坪山柚 Pingshanyou	柚类	y = 20.66ln(x) + 67.173	0.9138	2.178±0.003^b	y = 18.89ln(x) + 76.08	0.9910	1.258±0.003^b
4	北京柠檬 Beijing Lemon	柠檬类	y = 24.479ln(x) + 92.487	0.9753	0.881±0.001^d	y = 12.47ln(x) + 79.40	0.9770	0.473±0.006^d
5	金弹 Jindan	金柑类	y = 15.592ln(x) + 97.728	0.9567	0.293±0.001^e	y = 18.75ln(x) + 86.57	0.9880	0.711±0.001^e

编号No.	类型Category	品种Variety	IC₅₀/(mg·mL^-1)		APC指数 APC index	排名Rank
编号No.	类型Category	品种Variety	DPPH·	ABTS⁺·	APC指数 APC index	排名Rank
1	宽皮橘类	太田椪柑	0.431±0.002^a	0.067±0.001^a	6.79	1
2	甜橙类	纽荷尔脐橙	1.582±0.004^c	1.648±0.003^c	36.68	4
3	柚类	坪山柚	2.178±0.003^b	1.258±0.003^b	47.50	5
4	柠檬类	北京柠檬	0.881±0.001^d	0.473±0.006^d	18.71	3
5	金柑类	金弹	0.293±0.001^e	0.711±0.001^e	14.19	2

编号No.	类型Category	品种Variety	IC₅₀/(mg·mL^-1)		APC指数 APC index	排名Rank
编号No.	类型Category	品种Variety	DPPH·	ABTS⁺·	APC指数 APC index	排名Rank
1	宽皮橘类	太田椪柑	0.431±0.002^a	0.067±0.001^a	6.79	1
2	甜橙类	纽荷尔脐橙	1.582±0.004^c	1.648±0.003^c	36.68	4
3	柚类	坪山柚	2.178±0.003^b	1.258±0.003^b	47.50	5
4	柠檬类	北京柠檬	0.881±0.001^d	0.473±0.006^d	18.71	3
5	金柑类	金弹	0.293±0.001^e	0.711±0.001^e	14.19	2