Comparison of quality characteristics of hawthorn leaves from different varieties at different stages

doi:10.16178/j.issn.0528-9017.20250439

Abstract

Abstract:

Hawthorn leaves are rich in nutrients，with a variety of health functions. In this paper，the water content，color variation，chlorophyll，vitamin C and total flavonoid content of hawthorn leaves in different varieties and different periods were compared， in order to analyze the quality characteristics of hawthorn leaves，which provided a theoretical basis for the processing and comprehensive utilization of hawthorn leaves. The results showed that during the growth period，the water content of hawthorn leaves across different varieties first increased and then stabilized，while chlorophyll content continued to rise. Vitamin C content initially increased before declining，and total flavonoid content peaked during the bud stage before decreasing. Total color differences among hawthorn leaf samples were significant （p<0.05） in the early stages but not significant in later phases. Among the test varieties，the leaves of Jinruyi during the bud stage exhibited high contents of chlorophyll，vitamin C，and total flavonoid，making it a particularly suitable variety for processing. Correlation analysis revealed that water content exhibited a highly significant（p<0.01）correlation with chlorophyll content，total flavonoid content，and color difference；chlorophyll content showed a highly significant negative correlation with total flavonoid content. These findings provided a theoretical basis for the processing and utilization of hawthorn leaves.

Key words: hawthorn leaf, variety, stage, quality characteristic, flavonoid content

CLC Number:

S661.5

LIU Xueping, GU Zhaoshuai, WANG Jing, GAO Fei, ZHAO Li, LIU Yan, XU Minghua, LI Jihui. Comparison of quality characteristics of hawthorn leaves from different varieties at different stages[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(8): 1961-1965.

Figures/Tables 6

Fig.1 Water content of hawthorn leaves from different varieties at various growth stages

Table 1 Color variations of different hawthorn leaf varieties at various growth stages

品种	总色差（ΔE）
品种	芽期	嫩叶期	6～9 cm长度叶时期	9～11 cm长度叶时期
金如意	66.78±4.86 a	65.64±4.30 a	36.43±1.42 c	35.82±1.20 c
大棉球	53.15±3.67 b	51.95±2.23 b	37.93±0.99 c	37.45±0.93 c
大金星	53.87±3.22 b	54.67±1.22 b	33.43±1.11 c	36.19±0.82 c

Fig.2 Chlorophyll content of different hawthorn leaf varieties at various growth stages

Fig.3 Vitamin C content in hawthorn leaves of different varieties at various growth stages

Fig.4 Total flavonoid content in leaves of different hawthorn varieties at various growth stages

Table 2 Correlation between various quality indicators of hawthorn leaves

指标	水分含量	总色差（ΔE）	Vc含量	叶绿素含量
总色差（ΔE）	-0.874^**
维生素C含量	0.178	0.024
叶绿素含量	0.890^**	-0.671^*	0.097
总黄酮含量	-0.811^**	0.630^*	-0.171	-0.711^**

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