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Antiproliferative effects of fresh and thermal processed green and red cultivars of curly kale (Brassica oleracea L. convar. acephala var. sabellica).
J Agric Food Chem. 2012 Aug 01; 60(30):7375-83.JA

Abstract

Brassica vegetables contain a diverse range of phytochemicals with biological properties such as antioxidant and anticancer activity. However, knowledge about how biological activities are affected by processing is lacking. A green cultivar and a red cultivar of curly kale were evaluated for water/methanol-soluble phytochemicals before and after processing involving blanching, freeze storage, and boil-in-bag heat treatment. In both kale cultivars, processing resulted in a significant decrease of total phenolics, antioxidant capacity, and content and distribution of flavonols, anthocyanins, hydroxycinnamic acids, glucosinolates, and vitamin C. Interestingly, the red curly kale cultivar had a higher capacity to withstand thermal loss of phytochemicals. The extracts of both green and red curly kale inhibited the cell proliferation of three human colon cancer cell lines (Caco-2, HT-29, and HCT 116). However, extracts from fresh plant material had a significantly stronger antiproliferative effect than extracts from processed plant material.

Authors+Show Affiliations

Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research , Osloveien 1, NO-1430 Ås, Norway.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22769426

Citation

Olsen, Helle, et al. "Antiproliferative Effects of Fresh and Thermal Processed Green and Red Cultivars of Curly Kale (Brassica Oleracea L. Convar. Acephala Var. Sabellica)." Journal of Agricultural and Food Chemistry, vol. 60, no. 30, 2012, pp. 7375-83.
Olsen H, Grimmer S, Aaby K, et al. Antiproliferative effects of fresh and thermal processed green and red cultivars of curly kale (Brassica oleracea L. convar. acephala var. sabellica). J Agric Food Chem. 2012;60(30):7375-83.
Olsen, H., Grimmer, S., Aaby, K., Saha, S., & Borge, G. I. (2012). Antiproliferative effects of fresh and thermal processed green and red cultivars of curly kale (Brassica oleracea L. convar. acephala var. sabellica). Journal of Agricultural and Food Chemistry, 60(30), 7375-83. https://doi.org/10.1021/jf300875f
Olsen H, et al. Antiproliferative Effects of Fresh and Thermal Processed Green and Red Cultivars of Curly Kale (Brassica Oleracea L. Convar. Acephala Var. Sabellica). J Agric Food Chem. 2012 Aug 1;60(30):7375-83. PubMed PMID: 22769426.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Antiproliferative effects of fresh and thermal processed green and red cultivars of curly kale (Brassica oleracea L. convar. acephala var. sabellica). AU - Olsen,Helle, AU - Grimmer,Stine, AU - Aaby,Kjersti, AU - Saha,Shikha, AU - Borge,Grethe Iren A, Y1 - 2012/07/17/ PY - 2012/7/10/entrez PY - 2012/7/10/pubmed PY - 2014/7/30/medline SP - 7375 EP - 83 JF - Journal of agricultural and food chemistry JO - J Agric Food Chem VL - 60 IS - 30 N2 - Brassica vegetables contain a diverse range of phytochemicals with biological properties such as antioxidant and anticancer activity. However, knowledge about how biological activities are affected by processing is lacking. A green cultivar and a red cultivar of curly kale were evaluated for water/methanol-soluble phytochemicals before and after processing involving blanching, freeze storage, and boil-in-bag heat treatment. In both kale cultivars, processing resulted in a significant decrease of total phenolics, antioxidant capacity, and content and distribution of flavonols, anthocyanins, hydroxycinnamic acids, glucosinolates, and vitamin C. Interestingly, the red curly kale cultivar had a higher capacity to withstand thermal loss of phytochemicals. The extracts of both green and red curly kale inhibited the cell proliferation of three human colon cancer cell lines (Caco-2, HT-29, and HCT 116). However, extracts from fresh plant material had a significantly stronger antiproliferative effect than extracts from processed plant material. SN - 1520-5118 UR - https://www.unboundmedicine.com/medline/citation/22769426/Antiproliferative_effects_of_fresh_and_thermal_processed_green_and_red_cultivars_of_curly_kale__Brassica_oleracea_L__convar__acephala_var__sabellica__ L2 - https://doi.org/10.1021/jf300875f DB - PRIME DP - Unbound Medicine ER -