Pullution characteristics and risk assessment of pentachlorophenol in bamboo and wood products for food contact in Hainan Province

Abstract

Abstract:

Objective To investigate the pollution characteristics of pentachlorophenol in bamboo and wood products for food contact in Hainan Province and assess the risk dietary exposure. Methods Totally 100 bamboo and wood products for food contact were randomly collected from 18 cities and counties in Hainan Province during 2020 and 2023. The contents of pentachlorophenol were determined by gas chromatography-mass spectrometry. Results The qualified rate of pentachlorophenol was 74.0%，the average was 0.506 mg/kg，26 samples exceeded the standard，and the over-standard rate was 26.0%. The over-standard rate and average value of bamboo and wood chopsticks were 14.0% and 0.080 mg/kg，respectively. The over-standard rate and average value of pentachlorophenol in bamboo and wood cutting boards were higher than those in bamboo and wood chopsticks，at 38.0% and 0.931 mg/kg，respectively. Among the 10 materials，2 materials of bamboo and wood products had a 50% over-standard rate of pentachlorophenol，which were Okan wood and rubber wood，respectively. The over-standard rate of pentachlorophenol in bamboo and wood products produced in Hainan and Fujian was higher than that in Zhejiang and Guangdong. The result of dietary exposure assessment showed that the estimated daily dietary intake（EDI） of pentachlorophenol through bamboo chopsticks and bamboo cutting boards were 0.001 3 and 0.015 5 mg/（kg·BW），respectively，and the hazard quotients（HQ） were 2 and 26，respectively，indicating potential health risks. Conclusion The dietary intake of pentachlorophenol from bamboo and wooden products for food contact presents a potential health risk，so further dietary exposure risk assessment should be carried out based on more accurate food consumption data. At the same time，risk management measures should be taken to control the use and migration of pentachlorophenol，and the exposure risk of pentachlorophenol should be controlled by means of science popularization and technological innovation.

Key words: Hainan Province, Pentachlorophenol, Bamboo and wood products for food contact, Bamboo and wood cutting boards, Pollution characteristics, Risk assessment

CLC Number:

R115

LU Yanni, YI Changwen, NIE Hongqian, HUANG Han, XING Kun. Pullution characteristics and risk assessment of pentachlorophenol in bamboo and wood products for food contact in Hainan Province. [J]OCCUPATION AND HEALTH, 2026, 42(11): 1497-1501.

Figures/Tables 4

References 22

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种类	样品数（份）	检出数（份）	检出率（%）	超标数（份）	超标率（%）	含量[M（P₂₅，P₇₅ ）mg/kg]	含量范围（mg/kg）
竹木筷	50	45	90.0	7	14.0	0.058（0.032，0.098）	ND~0.338
竹木砧板	50	38	76.0	19	38.0	0.130（0.056，0.306）	ND~13.700
合计	100	83	83.0	26	26.0	0.091（0.033，0.155）	ND~13.700

种类	样品数（份）	检出数（份）	检出率（%）	超标数（份）	超标率（%）	含量[M（P₂₅，P₇₅ ）mg/kg]	含量范围（mg/kg）
竹木筷	50	45	90.0	7	14.0	0.058（0.032，0.098）	ND~0.338
竹木砧板	50	38	76.0	19	38.0	0.130（0.056，0.306）	ND~13.700
合计	100	83	83.0	26	26.0	0.091（0.033，0.155）	ND~13.700

材质	样品数（份）	检出数（份）	检出率（%）	超标数（份）	超标率（%）	含量[M（P₂₅，P₇₅ ）mg/kg]	含量范围（mg/kg）
铁木	24	18	75.0	9	37.5	0.110（0.010，0.216）	ND~6.760
楠竹	21	19	90.5	6	28.6	0.063（0.035，0.167）	ND~0.338
红木	17	16	94.1	1	5.9	0.066（0.034，0.108）	ND~0.306
奥坎木	4	3	75.0	2	50.0	1.763（0.017，7.672）	ND~9.070
乌檀木	10	9	90.0	3	30.0	0.129（0.105，0.152）	ND~0.676
红铁木	4	4	100.0	0	0.0	0.108（0.102，0.119）	0.101~0.121
红檀木	6	6	100.0	0	0.0	0.060（0.049，0.138）	0.032~0.142
橡胶木	4	2	50.0	2	50.0	0.394（0.008，10.470）	ND~13.700
桃花心木	4	4	100.0	1	25.0	0.135（0.122，0.157）	0.121~0.161
其他杂木	6	2	33.3	2	33.3	0.008（0.008，0.275）	ND~0.455

材质	样品数（份）	检出数（份）	检出率（%）	超标数（份）	超标率（%）	含量[M（P₂₅，P₇₅ ）mg/kg]	含量范围（mg/kg）
铁木	24	18	75.0	9	37.5	0.110（0.010，0.216）	ND~6.760
楠竹	21	19	90.5	6	28.6	0.063（0.035，0.167）	ND~0.338
红木	17	16	94.1	1	5.9	0.066（0.034，0.108）	ND~0.306
奥坎木	4	3	75.0	2	50.0	1.763（0.017，7.672）	ND~9.070
乌檀木	10	9	90.0	3	30.0	0.129（0.105，0.152）	ND~0.676
红铁木	4	4	100.0	0	0.0	0.108（0.102，0.119）	0.101~0.121
红檀木	6	6	100.0	0	0.0	0.060（0.049，0.138）	0.032~0.142
橡胶木	4	2	50.0	2	50.0	0.394（0.008，10.470）	ND~13.700
桃花心木	4	4	100.0	1	25.0	0.135（0.122，0.157）	0.121~0.161
其他杂木	6	2	33.3	2	33.3	0.008（0.008，0.275）	ND~0.455

生产地址	样品数（份）	检出数（份）	检出率（%）	超标数（份）	超标率（%）	含量[M（P₂₅，P₇₅ ）mg/kg]	含量范围（mg/kg）
浙江省	48	44	91.7	9	18.8	0.079（0.037，0.139）	ND~13.700
福建省	26	22	84.6	8	30.8	0.118（0.040，0.156）	ND~0.780
广东省	10	9	90.0	1	10.0	0.068（0.049，0.131）	ND~0.306
海南省	16	8	50.0	8	50.0	0.111（0.008，0.440）	ND~9.070