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Kidney Stones
Published in Charles Theisler, Adjuvant Medical Care, 2023
Rice Bran: In one study, 70 patients who had kidney stones and excessive urinary calcium excretion were treated with rice bran (1 gm twice a day) for up to three years. In almost all patients, there was a significant decrease in urinary calcium excretion, averaging about 30%.7,8 Among patients who continued rice bran for at least one year, there was an 84% reduction in the formation of kidney stones.
Environmental Toxins and Cardiovascular Disease
Published in Stephen T. Sinatra, Mark C. Houston, Nutritional and Integrative Strategies in Cardiovascular Medicine, 2022
Most any fiber should help excretion, but few have been studied. Rice bran fiber increases excretion by binding to the PCBs as they are released into the gut.23 The typical dosage is at least 5 g bid. Chlorophyll and chlorophyll-rich foods also facilitate excretion through the stools.24 The higher the dosage, the more rapid the excretion. In general, 500–1.000 mg/day is an effective dosage with little risk of adverse events (other than stool possibly turning green).
Plant Source Foods
Published in Chuong Pham-Huy, Bruno Pham Huy, Food and Lifestyle in Health and Disease, 2022
Chuong Pham-Huy, Bruno Pham Huy
Brown rice or colored rice is less consumed than white rice because its cooking is more difficult than white rice due to its slow water absorption, and the palatability of brown rice is often found to be inferior to white rice (44). Brown rice has a nutty flavor, chewier than white rice, but more easily goes rancid. The removal of rice bran from brown or colored rice by milling leads to a loss of nutrients. During milling and polishing, about 85% of essential fatty acids, 15% of protein and amino acid, 50–75% of phosphorus, 90% of calcium and magnesium, 50% of manganese, 70% of B vitamins, and all fibers are removed (42, 44). There are two types of brown rice: germinated and non-germinated. Germinated brown rice is obtained by immersing brown rice grain in water to initiate germination. The benefits of germinated brown rice are that the nutrients found in brown rice are more easily digested and the texture of brown rice is better (44).
Production of rice bran oil (Oryza sativa L.) microparticles by spray drying taking advantage of the technological properties of cereal co-products
Published in Journal of Microencapsulation, 2022
Nathan H. Noguera, Dyana C. Lima, José Claudio Klier Monteiro Filho, Rodney A. F. Rodrigues
Rice (Oryza sativa L.) is the second most cultivated crop in the world. Also because of that, the rice production chain generates a large amount of co-products, which makes a sustainable destination difficult (Nakhshiniev et al. 2014, Samtiya et al. 2020). Of the outputs generated from rice paddy, the co-products broken rice and rice bran together represent 24% in weight (Castro et al. 1999; Lim et al. 2013). Rice bran, a low cost food material, is destined almost entirely (approximately 90%) for animal feed, which reduce the availability of its co-products (oil and protein) for human and technological purposes (Zullaikah et al. 2005; Gomes and Kurozawa 2020). The current scientific scenario states that the gradual replacement of animal protein sources (such as gelatine, whey protein and casein) by plants is part of the sustainable development model (McClements and Grossmann 2021). In addition, the negative impact of the consumption of excessively processed foods on health is currently being investigated (Srour and Touvier 2021). In this context, rice flour is obtained from the milling of broken rice grains, which is considered a minimal processing. It is rich in spherical shaped starch granules, low-cost, and its use is widespread in the food industry (Verdalet-Guzmán et al. 2013. Bao and Bergman 2018; Márquez-Gómez et al. 2018), but its application in the encapsulation field is still limited.
Spatial distribution of heavy metals in rice grains, rice husk, and arable soil, their bioaccumulation and associated health risks in Haryana, India
Published in Toxin Reviews, 2021
Renu Daulta, Tallapragada Sridevi, Vinod Kumar Garg
Rice husk is an important by-product of rice processing industries. It is used as fodder, fuel, fertilizer and raw material for rice bran oil extraction. Rice bran oil is widely used in cooking and chemical industries. Hence, heavy metals may indirectly enter in food chain via rice husk also. Various authors have used it as an adsorbent also for pollutant removal from water and wastewater. Therefore, it is important to evaluate heavy metals content in rice husk. Heavy metal concentration in rice husk is given in Table 3. Fe content was in the range of 8.5–301.3 mg/kg, Cu content 2.10−11.20 mg/kg, Cd content <0.01–2.26 mg/kg, Pb content 0.05–11.3 mg/kg, Ni content 0.09–2.9 mg/kg, Zn content 6.2–39.7 mg/kg, Cr content <0.05–1.63 mg/kg and Co content <0.05–0.70 mg/kg. Mean heavy metal concentration in rice husk was in the following order: Fe (106.9 mg/kg) > Zn (14.6 mg/kg) >Cu (4.6 mg/kg) > Pb (3.1 mg/kg) > Ni (1.5 mg/kg) > Cd (0.71 mg/kg) > Cr (0.62 mg/kg) > Co (0.22 mg/kg). In 2015 rice husk samples Fe ranged 6.2–286.2 mg/kg, Cu ranged 3.3–13.2 mg/kg, Cd ranged <0.01–3.45 mg/kg, Pb ranged BDL–8.5 mg/kg, Ni ranged 0.09–3.11 mg/kg, Zn ranged 5.2–36.2 mg/kg, Cr ranged <0.05–3.54 mg/kg and Co ranged <0.05–0.66 mg/kg. Mean heavy metals concentration in rice husk in 2015 samples was in the following order: Fe (98.4 mg/kg) > Zn (12.5 mg/kg) > Cu (3.9 mg/kg) > Pb (2.8 mg/kg) > Ni (1.3 mg/kg) > Cr (0.71 mg/kg) >Cd (0.68 mg/kg) > Co (0.21 mg/kg).
Gamma-Oryzanol-Rich Fraction from Purple Rice Extract Attenuates Lipopolysaccharide-Stimulated Inflammatory Responses, Migration and VEGFA Production in SW480 Cells via Modulation of TLR4 and NF-κB Pathways
Published in Nutrition and Cancer, 2022
Atita Panyathep, Khanittha Punturee, Teera Chewonarin
Interestingly, there was evidence that the PRE from rice bran exhibited a preventive role, by reduction of COX-2 release in LPS/IFN-γ stimulated colon cancer cells (24). Therefore, this study attempted to relate and support the therapeutic action of PRE, derived from whole seeds, on inflammatory process associated colon cancer progression. In this study, HSF was further examined, which had been identified as an OR-rich fraction from the previous study. Correspondingly, LPS at 1 µg/mL for 4 hr was able to trigger not only metastasis but also an inflammatory response in SW480 cells. Moreover, the used concentration ranges of HSF and OR have already been confirmed that there was no toxicity to cell viability of both colon cancer cells and normal cells (29).