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97483

EFECT OF PRE-COOLING AND COLD STORAGE ON QUALITY AND QUANTITY OF SOME MEDICAL PLANTS

Article

Last updated: 26 Dec 2024

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Tags

Processing Engineering of Agricultural Products

Abstract

The object of the present study was to investigate the effect of pre-cooling and cold storage process on safe storage period, fresh weight loss, chlorophyll a and b, and volatile oil percentage and effect the optimum parameters on volatile oil components for Rosemary (Rosmarinus officinalis L.), and Spearmint (Menthaviridis Linn.) herbs.  The pre-cooling  process was done using cool medium at 5 oC, and then the herbs were stored under three levels of storing temperatures of (2, 4 and 6 oC) and relative humidity)RH) of 98 %. The obtained results from the experiment indicated that for both herbs under study should be pre-cooled at 5 oC and stored at 2 oC and 98 %(RH) to increase storage period, quantity and quality of oil, and to decrease the fresh weight loss for fresh consumption or marketing. Storage period at these conditions were 28 and 24 days, fresh weight loss were 1.29 and 9.98(g)/ 100 g fresh herbs, and percentage of the extracted volatile oil were 0.371 and 0.281 % for Rosemary and Spearmint herbs, respectively. Also at these conditions the quantity of volatile oil components was greater than the quantity of volatile oil if no pre- cooling was used. There was  no difference found between pre-cooled and non- pre-cooled herbs and between the three storage temperatures of 2, 4, and 6 oC on chlorophyll ‘a' and ‘ b' content for all plants under study.

DOI

10.21608/mjae.2017.97483

Keywords

pre- cooling- cold storage- rosemary-spearmint, Volatile oil

Authors

First Name

Yossry B.

Last Name

Abd Elhay

MiddleName

-

Affiliation

Assist. Prof., Agric. Eng. Dept., Fac. of Agric., Cairo Univ., Giza, Egypt.

Email

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City

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Orcid

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Volume

34

Article Issue

3

Related Issue

14723

Issue Date

2017-07-01

Receive Date

2020-06-21

Publish Date

2017-07-01

Page Start

1,409

Page End

1,422

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 34_Issue 3_Pages 1409-1422.pdf

PDF . 600.5kB

Link

https://mjae.journals.ekb.eg/article_97483.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=97483

Order

17

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

EFECT OF PRE-COOLING AND COLD STORAGE ON QUALITY AND QUANTITY OF SOME MEDICAL PLANTS

Details

Type

Article

Created At

23 Jan 2023