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Effects of hemp (Cannabis sativa L.) seed oil press-cake and decaffeinated green tea leaves (Camellia sinensis) on functional characteristics of gluten-free crackers.
J Food Sci. 2014 Mar; 79(3):C318-25.JF

Abstract

A mixture, simplex centroid, 2 components experimental design was used to evaluate the addition of hemp seed oil press-cake and decaffeinated green tea leaves, as functional ingredients to assess nutritional characteristics and antioxidant properties of gluten-free crackers. All samples with added hemp flour had much better nutritional qualities than the brown rice flour crackers in terms of higher protein, crude fibers, minerals, and essential fatty acids content. Likewise, all samples with added decaffeinated green tea leaves had much better antioxidant properties than crackers with no added green tea leaves. All crackers with added hemp flour had a significantly increased fiber content (39% to 249%) and decreased carbohydrate content (8.4% to 42.3%), compared to the brown rice flour crackers. All samples had antioxidant properties, even without the addition of green tea leaves. Optimization of the responses was conducted based on the maximized values for protein, fibers, omega-3 fatty acids content, as well as for the antioxidant activity and overall score. The suggested values for the addition of the hemp oil press-cake was 20% (total flour weight) with 4 g of decaffeinated green tea leaves that would provide protein content of 14.1 g/100 g; fibers content of 8.4 g/100 g; omega-3 fatty acids content of 3.2 g/100 g; antioxidant activity measured via 2,2-diphenyl-1-picrylhydrazyl value of 30.3 μmol TE/g d.w.; and an overall score of 8.9. This formulation has demonstrated potential application in the baking industry and marketing of these gluten-free crackers as a value-added functional product.

PRACTICAL APPLICATION

Hemp seed oil press-cake as a by-product of cold-pressed oil processing and brown rice flour were used to design a functional gluten-free snack-type product-savory crackers. All crackers were high in minerals, fibers, and omega-3 fatty acids with a desirable omega-6/omega-3 fatty acids ratio. Green tea leaves were added to improve antioxidant activity, which greatly contributed to their functional properties. This qualified the crackers as a healthy snack with a minimal content saturated fatty acids and an abundance of polyunsaturated and monounsaturated fatty acids that originated from chia seeds residual oil present in the hemp flour.

Authors+Show Affiliations

Faculty of Technology, Univ. of Novi Sad, Bulevar cara Lazara 1, 21000, Novi Sad, Serbia.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

24527987

Citation

Radočaj, Olga, et al. "Effects of Hemp (Cannabis Sativa L.) Seed Oil Press-cake and Decaffeinated Green Tea Leaves (Camellia Sinensis) On Functional Characteristics of Gluten-free Crackers." Journal of Food Science, vol. 79, no. 3, 2014, pp. C318-25.
Radočaj O, Dimić E, Tsao R. Effects of hemp (Cannabis sativa L.) seed oil press-cake and decaffeinated green tea leaves (Camellia sinensis) on functional characteristics of gluten-free crackers. J Food Sci. 2014;79(3):C318-25.
Radočaj, O., Dimić, E., & Tsao, R. (2014). Effects of hemp (Cannabis sativa L.) seed oil press-cake and decaffeinated green tea leaves (Camellia sinensis) on functional characteristics of gluten-free crackers. Journal of Food Science, 79(3), C318-25. https://doi.org/10.1111/1750-3841.12370
Radočaj O, Dimić E, Tsao R. Effects of Hemp (Cannabis Sativa L.) Seed Oil Press-cake and Decaffeinated Green Tea Leaves (Camellia Sinensis) On Functional Characteristics of Gluten-free Crackers. J Food Sci. 2014;79(3):C318-25. PubMed PMID: 24527987.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of hemp (Cannabis sativa L.) seed oil press-cake and decaffeinated green tea leaves (Camellia sinensis) on functional characteristics of gluten-free crackers. AU - Radočaj,Olga, AU - Dimić,Etelka, AU - Tsao,Rong, Y1 - 2014/02/13/ PY - 2013/10/20/received PY - 2013/12/29/accepted PY - 2014/2/18/entrez PY - 2014/2/18/pubmed PY - 2015/5/12/medline KW - crackers KW - functional food KW - gluten-free KW - green tea leaves KW - hemp SP - C318 EP - 25 JF - Journal of food science JO - J Food Sci VL - 79 IS - 3 N2 - UNLABELLED: A mixture, simplex centroid, 2 components experimental design was used to evaluate the addition of hemp seed oil press-cake and decaffeinated green tea leaves, as functional ingredients to assess nutritional characteristics and antioxidant properties of gluten-free crackers. All samples with added hemp flour had much better nutritional qualities than the brown rice flour crackers in terms of higher protein, crude fibers, minerals, and essential fatty acids content. Likewise, all samples with added decaffeinated green tea leaves had much better antioxidant properties than crackers with no added green tea leaves. All crackers with added hemp flour had a significantly increased fiber content (39% to 249%) and decreased carbohydrate content (8.4% to 42.3%), compared to the brown rice flour crackers. All samples had antioxidant properties, even without the addition of green tea leaves. Optimization of the responses was conducted based on the maximized values for protein, fibers, omega-3 fatty acids content, as well as for the antioxidant activity and overall score. The suggested values for the addition of the hemp oil press-cake was 20% (total flour weight) with 4 g of decaffeinated green tea leaves that would provide protein content of 14.1 g/100 g; fibers content of 8.4 g/100 g; omega-3 fatty acids content of 3.2 g/100 g; antioxidant activity measured via 2,2-diphenyl-1-picrylhydrazyl value of 30.3 μmol TE/g d.w.; and an overall score of 8.9. This formulation has demonstrated potential application in the baking industry and marketing of these gluten-free crackers as a value-added functional product. PRACTICAL APPLICATION: Hemp seed oil press-cake as a by-product of cold-pressed oil processing and brown rice flour were used to design a functional gluten-free snack-type product-savory crackers. All crackers were high in minerals, fibers, and omega-3 fatty acids with a desirable omega-6/omega-3 fatty acids ratio. Green tea leaves were added to improve antioxidant activity, which greatly contributed to their functional properties. This qualified the crackers as a healthy snack with a minimal content saturated fatty acids and an abundance of polyunsaturated and monounsaturated fatty acids that originated from chia seeds residual oil present in the hemp flour. SN - 1750-3841 UR - https://www.unboundmedicine.com/medline/citation/24527987/Effects_of_hemp__Cannabis_sativa_L___seed_oil_press_cake_and_decaffeinated_green_tea_leaves__Camellia_sinensis__on_functional_characteristics_of_gluten_free_crackers_ L2 - https://doi.org/10.1111/1750-3841.12370 DB - PRIME DP - Unbound Medicine ER -