Effects of Artificial Accelerated Aging on Milling, Cooking and Storage Quality of Paddy Rice

doi:10.11924/j.issn.1000-6850.casb2020-0741

Abstract

Abstract:

Artificial accelerated aging with high temperature and high humidity was applied in this paper to explore the changes in milling, cooking and storage quality of different paddy rice varieties during storage. Three high-quality rice varieties and three hybrid rice varieties were used as materials to be stored at 100% relative humidity and 40℃ for 0, 1, 3, 5 and 7 d, respectively. The results showed that fatty acid value of rice were sensitive to the aging process and exhibited very obvious changes, but the increase in high-quality rice was significantly greater than that of hybrid rice. There was no significant difference in brown rice percentage, protein content and gel consistency during the process of accelerated aging. The amylose content of high-quality rice had an upward trend, and the head rice percentage of paddy rice had been reduced after aging treatment. The quality change of rice under vacuum packaging was less than that of mesh bag packaging, which showed that vacuum packaging could appropriately delay the aging of rice. This study provides a theoretical basis for delaying paddy aging during storage.

Key words: rice, artificial accelerated aging, quality, aging metamorphism, storage

CLC Number:

TS205

Miao Xuexue, Liu Zemin, Tao Shuhua, Yu Yaying, Huang Weidong, Zhou Kun, Yang Biaoren. Effects of Artificial Accelerated Aging on Milling, Cooking and Storage Quality of Paddy Rice[J]. Chinese Agricultural Science Bulletin, 2021, 37(28): 121-127.

Figures/Tables 6

References 25

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供试材料	老化时间	网袋包装		真空包装
供试材料	老化时间	糙米率	整精米率	糙米率	整精米率
岭香丝苗	0 d	80.1±0.2b	57.4±0.85a	80.4±0.06a	57.2±0.45a
	1 d	79.6±0.45c	53.8±0.85b	80.2±0.15a	54.7±0.75b
	3 d	80.0±0.1b	52.7±0.15b	79.3±0.95b	53.1±0.6c
	5 d	81.1±0.1a	52.9±1.05b	80.7±0.06a	56.5±0.25a
	7 d	80.1±0.1b	50.8±1.05c	80.6±0.1a	53.8±1.3bc
湘晚籼13号	0 d	81.9±0.1ab	59.8±0.2a	81.7±0.06b	56.7±0.5ab
	1 d	81.6±0.15b	59.5±0.7a	81.6±0.1b	57.1±0.5a
	3 d	81.7±0.75b	59.4±1.4a	82.7±0.95a	57.4±1.8a
	5 d	82.5±0.06a	59.9±0.1a	81.6±0.06b	55.2±0.2bc
	7 d	81.8±0.06b	57.3±0.85b	81.5±0.06b	54.3±0.5c
创宇9号	0 d	82.1±0.3b	63.2±0.35a	82.5±0.06b	64.9±0.3a
	1 d	82.1±0.06b	61.7±0.55b	82.2±0.1c	64.7±0.25a
	3 d	82.7±0.1a	62.7±0.5a	82.0±0.1d	63.6±1.5a
	5 d	82.8±0.1a	62.4±0.4b	82.9±0.06a	63.8±0.15a
	7 d	82.1±0.15b	60.4±0.25c	82.8±0.1a	63.6±0.1a

供试材料	老化时间	网袋包装		真空包装
供试材料	老化时间	糙米率	整精米率	糙米率	整精米率
岭香丝苗	0 d	80.1±0.2b	57.4±0.85a	80.4±0.06a	57.2±0.45a
	1 d	79.6±0.45c	53.8±0.85b	80.2±0.15a	54.7±0.75b
	3 d	80.0±0.1b	52.7±0.15b	79.3±0.95b	53.1±0.6c
	5 d	81.1±0.1a	52.9±1.05b	80.7±0.06a	56.5±0.25a
	7 d	80.1±0.1b	50.8±1.05c	80.6±0.1a	53.8±1.3bc
湘晚籼13号	0 d	81.9±0.1ab	59.8±0.2a	81.7±0.06b	56.7±0.5ab
	1 d	81.6±0.15b	59.5±0.7a	81.6±0.1b	57.1±0.5a
	3 d	81.7±0.75b	59.4±1.4a	82.7±0.95a	57.4±1.8a
	5 d	82.5±0.06a	59.9±0.1a	81.6±0.06b	55.2±0.2bc
	7 d	81.8±0.06b	57.3±0.85b	81.5±0.06b	54.3±0.5c
创宇9号	0 d	82.1±0.3b	63.2±0.35a	82.5±0.06b	64.9±0.3a
	1 d	82.1±0.06b	61.7±0.55b	82.2±0.1c	64.7±0.25a
	3 d	82.7±0.1a	62.7±0.5a	82.0±0.1d	63.6±1.5a
	5 d	82.8±0.1a	62.4±0.4b	82.9±0.06a	63.8±0.15a
	7 d	82.1±0.15b	60.4±0.25c	82.8±0.1a	63.6±0.1a

供试材料	老化时间	网袋包装		真空包装
供试材料	老化时间	糙米率	整精米率	糙米率	整精米率
天优华占	0 d	82.9±0.1b	63.3±0.35bc	82.7±0.1ab	65.7±0.75a
	1 d	82.9±0.06b	63.9±0.35ab	82.8±0.1a	64.9±0.3ab
	3 d	84.8±0.9a	64.4±0.35a	82.6±0.15b	64.9±0.15ab
	5 d	83.5±0.15b	62.5±0.6c	82.7±0.06ab	64.1±0.35b
	7 d	83.2±0.1b	60.6±0.8d	82.6±0.1ab	64.1±0.8b
岳优9113	0 d	83.3±0.1c	41.3±0.5ab	83.1±0.06bc	47±1.35a
	1 d	83.4±0.06c	39.8±1.8b	83.2±0.06ab	47.3±1.2a
	3 d	84.1±0.1ab	43.2±0.45a	83.3±0.06a	46.1±0.2a
	5 d	84.3±0.2a	40.7±1.65b	82.9±0.06d	46.6±0.15a
	7 d	84±0.06ab	39.7±0.55b	83±0.15cd	46.2±0.95a
凤两优1208	0 d	81.6±0.35cd	41.6±0.55a	82.2±0.1a	43±0.7ab
	1 d	82±0.06c	38.8±0.95b	81.9±1.7a	42.3±1.1b
	3 d	81.3±0.55d	41.3±0.8a	81.8±0.1a	42.3±1.1b
	5 d	82.4±0.06ab	38.7±0.5b	81.7±0.06a	44.2±0.8a
	7 d	82.6±0.3a	36.7±0.45c	81.6±0.1a	43.6±0.45ab

供试材料	老化时间	网袋包装		真空包装
供试材料	老化时间	糙米率	整精米率	糙米率	整精米率
天优华占	0 d	82.9±0.1b	63.3±0.35bc	82.7±0.1ab	65.7±0.75a
	1 d	82.9±0.06b	63.9±0.35ab	82.8±0.1a	64.9±0.3ab
	3 d	84.8±0.9a	64.4±0.35a	82.6±0.15b	64.9±0.15ab
	5 d	83.5±0.15b	62.5±0.6c	82.7±0.06ab	64.1±0.35b
	7 d	83.2±0.1b	60.6±0.8d	82.6±0.1ab	64.1±0.8b
岳优9113	0 d	83.3±0.1c	41.3±0.5ab	83.1±0.06bc	47±1.35a
	1 d	83.4±0.06c	39.8±1.8b	83.2±0.06ab	47.3±1.2a
	3 d	84.1±0.1ab	43.2±0.45a	83.3±0.06a	46.1±0.2a
	5 d	84.3±0.2a	40.7±1.65b	82.9±0.06d	46.6±0.15a
	7 d	84±0.06ab	39.7±0.55b	83±0.15cd	46.2±0.95a
凤两优1208	0 d	81.6±0.35cd	41.6±0.55a	82.2±0.1a	43±0.7ab
	1 d	82±0.06c	38.8±0.95b	81.9±1.7a	42.3±1.1b
	3 d	81.3±0.55d	41.3±0.8a	81.8±0.1a	42.3±1.1b
	5 d	82.4±0.06ab	38.7±0.5b	81.7±0.06a	44.2±0.8a
	7 d	82.6±0.3a	36.7±0.45c	81.6±0.1a	43.6±0.45ab

供试材料	包装方式	老化时间/d	直链淀粉/%	胶稠度/mm	蛋白质/%
岭香丝苗	网袋包装	0	16.6±0.3b	116.5±0.58a	9.6±0.2d
		1	15.8±0.3c	95.0±5.0b	9.9±0.2cd
		3	16.8±0.3ab	84.5±4.5bc	10.18±0.2bc
		5	16.8±0.3ab	86.5±1.53c	10.36±0.2b
		7	17.3±0.3a	65.5±2.52d	11.62±0.2a
	真空包装	0	16.9±0.3a	76.5±2.52b	10.94±0.2a
		1	16.5±0.3a	75.5±1.53b	10.14±0.2cd
		3	17.0±0.3a	66.5±1.53c	10.59±0.2ab
		5	16.7±0.3a	73.5±2.52b	9.96±0.2d
		7	15.9±0.3b	91.5±4.51a	10.47±0.2bc
湘晚籼13号	网袋包装	0	15.8±0.3d	93.0±2.89a	10.73±0.20a
		1	16.8±0.3bc	69.0±1.0c	10.41±0.20ab
		3	16.3±0.3cd	78.5±4.51b	9.59±0.20c
		5	16.9±0.15b	64.5±2.52c	9.66±0.20c
		7	17.6±0.3a	78.5±1.53b	10.28±0.20b
	真空包装	0	16.2±0.3b	70.0±2.0b	10.95±0.2a
		1	16.9±0.3ab	72.0±3.0b	10.43±0.2b
		3	17.4±0.3a	72.0±1.0b	9.79±0.2d
		5	16.5±0.77b	85.0±5.0a	9.95±0.2cd
		7	17.0±0.3ab	84.5±3.51a	10.26±0.2bc
创宇9号	网袋包装	0	18.7±0.3d	95±5.0a	11.39±0.2a
		1	19.4±0.3c	92±1.0a	11.11±0.2ab
		3	19.6±0.3c	74±1.0b	10.89±0.2bc
		5	20.3±0.3b	77.5±1.53b	11.02±0.2abc
		7	21.2±0.3a	66.5±0.58c	10.67±0.2c
	真空包装	0	19.5±0.3a	68.0±0.58c	11.66±0.2a
		1	20.0±0.3a	74.0±1ab	11.09±0.2bc
		3	20.0±0.3a	70.0±1bc	11.24±0.2b
		5	20.0±0.3a	77.0±1a	10.87±0.2bc
		7	20.0±0.3a	71.0±7abc	10.76±0.2c